diff options
Diffstat (limited to 'lib/Transforms/Scalar/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 1323 |
1 files changed, 710 insertions, 613 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 5bd17e0..59fbd39 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -36,6 +36,7 @@ #define DEBUG_TYPE "instcombine" #include "llvm/Transforms/Scalar.h" #include "llvm/IntrinsicInst.h" +#include "llvm/LLVMContext.h" #include "llvm/Pass.h" #include "llvm/DerivedTypes.h" #include "llvm/GlobalVariable.h" @@ -82,6 +83,8 @@ namespace { static char ID; // Pass identification, replacement for typeid InstCombiner() : FunctionPass(&ID) {} + LLVMContext* getContext() { return Context; } + /// AddToWorkList - Add the specified instruction to the worklist if it /// isn't already in it. void AddToWorkList(Instruction *I) { @@ -140,7 +143,7 @@ namespace { if (Instruction *Op = dyn_cast<Instruction>(*i)) { AddToWorkList(Op); // Set the operand to undef to drop the use. - *i = UndefValue::get(Op->getType()); + *i = Context->getUndef(Op->getType()); } return R; @@ -278,7 +281,7 @@ namespace { if (V->getType() == Ty) return V; if (Constant *CV = dyn_cast<Constant>(V)) - return ConstantExpr::getCast(opc, CV, Ty); + return Context->getConstantExprCast(opc, CV, Ty); Instruction *C = CastInst::Create(opc, V, Ty, V->getName(), &Pos); AddToWorkList(C); @@ -304,7 +307,7 @@ namespace { } else { // If we are replacing the instruction with itself, this must be in a // segment of unreachable code, so just clobber the instruction. - I.replaceAllUsesWith(UndefValue::get(I.getType())); + I.replaceAllUsesWith(Context->getUndef(I.getType())); return &I; } } @@ -525,7 +528,7 @@ bool InstCombiner::SimplifyCommutative(BinaryOperator &I) { if (BinaryOperator *Op = dyn_cast<BinaryOperator>(I.getOperand(0))) if (Op->getOpcode() == Opcode && isa<Constant>(Op->getOperand(1))) { if (isa<Constant>(I.getOperand(1))) { - Constant *Folded = ConstantExpr::get(I.getOpcode(), + Constant *Folded = Context->getConstantExpr(I.getOpcode(), cast<Constant>(I.getOperand(1)), cast<Constant>(Op->getOperand(1))); I.setOperand(0, Op->getOperand(0)); @@ -538,7 +541,7 @@ bool InstCombiner::SimplifyCommutative(BinaryOperator &I) { Constant *C2 = cast<Constant>(Op1->getOperand(1)); // Fold (op (op V1, C1), (op V2, C2)) ==> (op (op V1, V2), (op C1,C2)) - Constant *Folded = ConstantExpr::get(I.getOpcode(), C1, C2); + Constant *Folded = Context->getConstantExpr(I.getOpcode(), C1, C2); Instruction *New = BinaryOperator::Create(Opcode, Op->getOperand(0), Op1->getOperand(0), Op1->getName(), &I); @@ -565,17 +568,17 @@ bool InstCombiner::SimplifyCompare(CmpInst &I) { // dyn_castNegVal - Given a 'sub' instruction, return the RHS of the instruction // if the LHS is a constant zero (which is the 'negate' form). // -static inline Value *dyn_castNegVal(Value *V) { +static inline Value *dyn_castNegVal(Value *V, LLVMContext* Context) { if (BinaryOperator::isNeg(V)) return BinaryOperator::getNegArgument(V); // Constants can be considered to be negated values if they can be folded. if (ConstantInt *C = dyn_cast<ConstantInt>(V)) - return ConstantExpr::getNeg(C); + return Context->getConstantExprNeg(C); if (ConstantVector *C = dyn_cast<ConstantVector>(V)) if (C->getType()->getElementType()->isInteger()) - return ConstantExpr::getNeg(C); + return Context->getConstantExprNeg(C); return 0; } @@ -584,28 +587,28 @@ static inline Value *dyn_castNegVal(Value *V) { // instruction if the LHS is a constant negative zero (which is the 'negate' // form). // -static inline Value *dyn_castFNegVal(Value *V) { +static inline Value *dyn_castFNegVal(Value *V, LLVMContext* Context) { if (BinaryOperator::isFNeg(V)) return BinaryOperator::getFNegArgument(V); // Constants can be considered to be negated values if they can be folded. if (ConstantFP *C = dyn_cast<ConstantFP>(V)) - return ConstantExpr::getFNeg(C); + return Context->getConstantExprFNeg(C); if (ConstantVector *C = dyn_cast<ConstantVector>(V)) if (C->getType()->getElementType()->isFloatingPoint()) - return ConstantExpr::getFNeg(C); + return Context->getConstantExprFNeg(C); return 0; } -static inline Value *dyn_castNotVal(Value *V) { +static inline Value *dyn_castNotVal(Value *V, LLVMContext* Context) { if (BinaryOperator::isNot(V)) return BinaryOperator::getNotArgument(V); // Constants can be considered to be not'ed values... if (ConstantInt *C = dyn_cast<ConstantInt>(V)) - return ConstantInt::get(~C->getValue()); + return Context->getConstantInt(~C->getValue()); return 0; } @@ -614,7 +617,8 @@ static inline Value *dyn_castNotVal(Value *V) { // non-constant operand of the multiply, and set CST to point to the multiplier. // Otherwise, return null. // -static inline Value *dyn_castFoldableMul(Value *V, ConstantInt *&CST) { +static inline Value *dyn_castFoldableMul(Value *V, ConstantInt *&CST, + LLVMContext* Context) { if (V->hasOneUse() && V->getType()->isInteger()) if (Instruction *I = dyn_cast<Instruction>(V)) { if (I->getOpcode() == Instruction::Mul) @@ -625,7 +629,7 @@ static inline Value *dyn_castFoldableMul(Value *V, ConstantInt *&CST) { // The multiplier is really 1 << CST. uint32_t BitWidth = cast<IntegerType>(V->getType())->getBitWidth(); uint32_t CSTVal = CST->getLimitedValue(BitWidth); - CST = ConstantInt::get(APInt(BitWidth, 1).shl(CSTVal)); + CST = Context->getConstantInt(APInt(BitWidth, 1).shl(CSTVal)); return I->getOperand(0); } } @@ -654,16 +658,19 @@ static unsigned getOpcode(const Value *V) { } /// AddOne - Add one to a ConstantInt -static Constant *AddOne(Constant *C) { - return ConstantExpr::getAdd(C, ConstantInt::get(C->getType(), 1)); +static Constant *AddOne(Constant *C, LLVMContext* Context) { + return Context->getConstantExprAdd(C, + Context->getConstantInt(C->getType(), 1)); } /// SubOne - Subtract one from a ConstantInt -static Constant *SubOne(ConstantInt *C) { - return ConstantExpr::getSub(C, ConstantInt::get(C->getType(), 1)); +static Constant *SubOne(ConstantInt *C, LLVMContext* Context) { + return Context->getConstantExprSub(C, + Context->getConstantInt(C->getType(), 1)); } /// MultiplyOverflows - True if the multiply can not be expressed in an int /// this size. -static bool MultiplyOverflows(ConstantInt *C1, ConstantInt *C2, bool sign) { +static bool MultiplyOverflows(ConstantInt *C1, ConstantInt *C2, bool sign, + LLVMContext* Context) { uint32_t W = C1->getBitWidth(); APInt LHSExt = C1->getValue(), RHSExt = C2->getValue(); if (sign) { @@ -690,7 +697,7 @@ static bool MultiplyOverflows(ConstantInt *C1, ConstantInt *C2, bool sign) { /// are any bits set in the constant that are not demanded. If so, shrink the /// constant and return true. static bool ShrinkDemandedConstant(Instruction *I, unsigned OpNo, - APInt Demanded) { + APInt Demanded, LLVMContext* Context) { assert(I && "No instruction?"); assert(OpNo < I->getNumOperands() && "Operand index too large"); @@ -705,7 +712,7 @@ static bool ShrinkDemandedConstant(Instruction *I, unsigned OpNo, // This instruction is producing bits that are not demanded. Shrink the RHS. Demanded &= OpC->getValue(); - I->setOperand(OpNo, ConstantInt::get(Demanded)); + I->setOperand(OpNo, Context->getConstantInt(Demanded)); return true; } @@ -837,7 +844,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, if (DemandedMask == 0) { // Not demanding any bits from V. if (isa<UndefValue>(V)) return 0; - return UndefValue::get(VTy); + return Context->getUndef(VTy); } if (Depth == 6) // Limit search depth. @@ -879,7 +886,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If all of the demanded bits in the inputs are known zeros, return zero. if ((DemandedMask & (RHSKnownZero|LHSKnownZero)) == DemandedMask) - return Constant::getNullValue(VTy); + return Context->getNullValue(VTy); } else if (I->getOpcode() == Instruction::Or) { // We can simplify (X|Y) -> X or Y in the user's context if we know that @@ -948,10 +955,10 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If all of the demanded bits in the inputs are known zeros, return zero. if ((DemandedMask & (RHSKnownZero|LHSKnownZero)) == DemandedMask) - return Constant::getNullValue(VTy); + return Context->getNullValue(VTy); // If the RHS is a constant, see if we can simplify it. - if (ShrinkDemandedConstant(I, 1, DemandedMask & ~LHSKnownZero)) + if (ShrinkDemandedConstant(I, 1, DemandedMask & ~LHSKnownZero, Context)) return I; // Output known-1 bits are only known if set in both the LHS & RHS. @@ -988,7 +995,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, return I->getOperand(1); // If the RHS is a constant, see if we can simplify it. - if (ShrinkDemandedConstant(I, 1, DemandedMask)) + if (ShrinkDemandedConstant(I, 1, DemandedMask, Context)) return I; // Output known-0 bits are only known if clear in both the LHS & RHS. @@ -1036,7 +1043,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) { // all known if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) { - Constant *AndC = ConstantInt::get(~RHSKnownOne & DemandedMask); + Constant *AndC = Context->getConstantInt(~RHSKnownOne & DemandedMask); Instruction *And = BinaryOperator::CreateAnd(I->getOperand(0), AndC, "tmp"); return InsertNewInstBefore(And, *I); @@ -1045,7 +1052,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If the RHS is a constant, see if we can simplify it. // FIXME: for XOR, we prefer to force bits to 1 if they will make a -1. - if (ShrinkDemandedConstant(I, 1, DemandedMask)) + if (ShrinkDemandedConstant(I, 1, DemandedMask, Context)) return I; RHSKnownZero = KnownZeroOut; @@ -1062,8 +1069,8 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, assert(!(LHSKnownZero & LHSKnownOne) && "Bits known to be one AND zero?"); // If the operands are constants, see if we can simplify them. - if (ShrinkDemandedConstant(I, 1, DemandedMask) || - ShrinkDemandedConstant(I, 2, DemandedMask)) + if (ShrinkDemandedConstant(I, 1, DemandedMask, Context) || + ShrinkDemandedConstant(I, 2, DemandedMask, Context)) return I; // Only known if known in both the LHS and RHS. @@ -1085,8 +1092,22 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, break; } case Instruction::BitCast: - if (!I->getOperand(0)->getType()->isInteger()) + if (!I->getOperand(0)->getType()->isIntOrIntVector()) return false; // vector->int or fp->int? + + if (const VectorType *DstVTy = dyn_cast<VectorType>(I->getType())) { + if (const VectorType *SrcVTy = + dyn_cast<VectorType>(I->getOperand(0)->getType())) { + if (DstVTy->getNumElements() != SrcVTy->getNumElements()) + // Don't touch a bitcast between vectors of different element counts. + return false; + } else + // Don't touch a scalar-to-vector bitcast. + return false; + } else if (isa<VectorType>(I->getOperand(0)->getType())) + // Don't touch a vector-to-scalar bitcast. + return false; + if (SimplifyDemandedBits(I->getOperandUse(0), DemandedMask, RHSKnownZero, RHSKnownOne, Depth+1)) return I; @@ -1173,7 +1194,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If the RHS of the add has bits set that can't affect the input, reduce // the constant. - if (ShrinkDemandedConstant(I, 1, InDemandedBits)) + if (ShrinkDemandedConstant(I, 1, InDemandedBits, Context)) return I; // Avoid excess work. @@ -1394,10 +1415,10 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, Instruction *NewVal; if (InputBit > ResultBit) NewVal = BinaryOperator::CreateLShr(I->getOperand(1), - ConstantInt::get(I->getType(), InputBit-ResultBit)); + Context->getConstantInt(I->getType(), InputBit-ResultBit)); else NewVal = BinaryOperator::CreateShl(I->getOperand(1), - ConstantInt::get(I->getType(), ResultBit-InputBit)); + Context->getConstantInt(I->getType(), ResultBit-InputBit)); NewVal->takeName(I); return InsertNewInstBefore(NewVal, *I); } @@ -1414,9 +1435,9 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If the client is only demanding bits that we know, return the known // constant. if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) { - Constant *C = ConstantInt::get(RHSKnownOne); + Constant *C = Context->getConstantInt(RHSKnownOne); if (isa<PointerType>(V->getType())) - C = ConstantExpr::getIntToPtr(C, V->getType()); + C = Context->getConstantExprIntToPtr(C, V->getType()); return C; } return false; @@ -1444,13 +1465,13 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts, return 0; } else if (DemandedElts == 0) { // If nothing is demanded, provide undef. UndefElts = EltMask; - return UndefValue::get(V->getType()); + return Context->getUndef(V->getType()); } UndefElts = 0; if (ConstantVector *CP = dyn_cast<ConstantVector>(V)) { const Type *EltTy = cast<VectorType>(V->getType())->getElementType(); - Constant *Undef = UndefValue::get(EltTy); + Constant *Undef = Context->getUndef(EltTy); std::vector<Constant*> Elts; for (unsigned i = 0; i != VWidth; ++i) @@ -1465,7 +1486,7 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts, } // If we changed the constant, return it. - Constant *NewCP = ConstantVector::get(Elts); + Constant *NewCP = Context->getConstantVector(Elts); return NewCP != CP ? NewCP : 0; } else if (isa<ConstantAggregateZero>(V)) { // Simplify the CAZ to a ConstantVector where the non-demanded elements are @@ -1477,15 +1498,15 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts, return 0; const Type *EltTy = cast<VectorType>(V->getType())->getElementType(); - Constant *Zero = Constant::getNullValue(EltTy); - Constant *Undef = UndefValue::get(EltTy); + Constant *Zero = Context->getNullValue(EltTy); + Constant *Undef = Context->getUndef(EltTy); std::vector<Constant*> Elts; for (unsigned i = 0; i != VWidth; ++i) { Constant *Elt = DemandedElts[i] ? Zero : Undef; Elts.push_back(Elt); } UndefElts = DemandedElts ^ EltMask; - return ConstantVector::get(Elts); + return Context->getConstantVector(Elts); } // Limit search depth. @@ -1599,12 +1620,12 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts, std::vector<Constant*> Elts; for (unsigned i = 0; i < VWidth; ++i) { if (UndefElts[i]) - Elts.push_back(UndefValue::get(Type::Int32Ty)); + Elts.push_back(Context->getUndef(Type::Int32Ty)); else - Elts.push_back(ConstantInt::get(Type::Int32Ty, + Elts.push_back(Context->getConstantInt(Type::Int32Ty, Shuffle->getMaskValue(i))); } - I->setOperand(2, ConstantVector::get(Elts)); + I->setOperand(2, Context->getConstantVector(Elts)); MadeChange = true; } break; @@ -1749,8 +1770,8 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts, } Instruction *New = - InsertElementInst::Create(UndefValue::get(II->getType()), TmpV, 0U, - II->getName()); + InsertElementInst::Create( + Context->getUndef(II->getType()), TmpV, 0U, II->getName()); InsertNewInstBefore(New, *II); AddSoonDeadInstToWorklist(*II, 0); return New; @@ -1778,7 +1799,8 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts, /// 'shouldApply' and 'apply' methods. /// template<typename Functor> -static Instruction *AssociativeOpt(BinaryOperator &Root, const Functor &F) { +static Instruction *AssociativeOpt(BinaryOperator &Root, const Functor &F, + LLVMContext* Context) { unsigned Opcode = Root.getOpcode(); Value *LHS = Root.getOperand(0); @@ -1811,7 +1833,7 @@ static Instruction *AssociativeOpt(BinaryOperator &Root, const Functor &F) { // Make what used to be the LHS of the root be the user of the root... Value *ExtraOperand = TmpLHSI->getOperand(1); if (&Root == TmpLHSI) { - Root.replaceAllUsesWith(Constant::getNullValue(TmpLHSI->getType())); + Root.replaceAllUsesWith(Context->getNullValue(TmpLHSI->getType())); return 0; } Root.replaceAllUsesWith(TmpLHSI); // Users now use TmpLHSI @@ -1850,11 +1872,12 @@ namespace { // AddRHS - Implements: X + X --> X << 1 struct AddRHS { Value *RHS; - AddRHS(Value *rhs) : RHS(rhs) {} + LLVMContext* Context; + AddRHS(Value *rhs, LLVMContext* C) : RHS(rhs), Context(C) {} bool shouldApply(Value *LHS) const { return LHS == RHS; } Instruction *apply(BinaryOperator &Add) const { return BinaryOperator::CreateShl(Add.getOperand(0), - ConstantInt::get(Add.getType(), 1)); + Context->getConstantInt(Add.getType(), 1)); } }; @@ -1862,11 +1885,12 @@ struct AddRHS { // iff C1&C2 == 0 struct AddMaskingAnd { Constant *C2; - AddMaskingAnd(Constant *c) : C2(c) {} + LLVMContext* Context; + AddMaskingAnd(Constant *c, LLVMContext* C) : C2(c), Context(C) {} bool shouldApply(Value *LHS) const { ConstantInt *C1; return match(LHS, m_And(m_Value(), m_ConstantInt(C1))) && - ConstantExpr::getAnd(C1, C2)->isNullValue(); + Context->getConstantExprAnd(C1, C2)->isNullValue(); } Instruction *apply(BinaryOperator &Add) const { return BinaryOperator::CreateOr(Add.getOperand(0), Add.getOperand(1)); @@ -1877,6 +1901,8 @@ struct AddMaskingAnd { static Value *FoldOperationIntoSelectOperand(Instruction &I, Value *SO, InstCombiner *IC) { + LLVMContext* Context = IC->getContext(); + if (CastInst *CI = dyn_cast<CastInst>(&I)) { return IC->InsertCastBefore(CI->getOpcode(), SO, I.getType(), I); } @@ -1887,8 +1913,8 @@ static Value *FoldOperationIntoSelectOperand(Instruction &I, Value *SO, if (Constant *SOC = dyn_cast<Constant>(SO)) { if (ConstIsRHS) - return ConstantExpr::get(I.getOpcode(), SOC, ConstOperand); - return ConstantExpr::get(I.getOpcode(), ConstOperand, SOC); + return Context->getConstantExpr(I.getOpcode(), SOC, ConstOperand); + return Context->getConstantExpr(I.getOpcode(), ConstOperand, SOC); } Value *Op0 = SO, *Op1 = ConstOperand; @@ -1978,9 +2004,9 @@ Instruction *InstCombiner::FoldOpIntoPhi(Instruction &I) { Value *InV = 0; if (Constant *InC = dyn_cast<Constant>(PN->getIncomingValue(i))) { if (CmpInst *CI = dyn_cast<CmpInst>(&I)) - InV = ConstantExpr::getCompare(CI->getPredicate(), InC, C); + InV = Context->getConstantExprCompare(CI->getPredicate(), InC, C); else - InV = ConstantExpr::get(I.getOpcode(), InC, C); + InV = Context->getConstantExpr(I.getOpcode(), InC, C); } else { assert(PN->getIncomingBlock(i) == NonConstBB); if (BinaryOperator *BO = dyn_cast<BinaryOperator>(&I)) @@ -2005,7 +2031,7 @@ Instruction *InstCombiner::FoldOpIntoPhi(Instruction &I) { for (unsigned i = 0; i != NumPHIValues; ++i) { Value *InV; if (Constant *InC = dyn_cast<Constant>(PN->getIncomingValue(i))) { - InV = ConstantExpr::getCast(CI->getOpcode(), InC, RetTy); + InV = Context->getConstantExprCast(CI->getOpcode(), InC, RetTy); } else { assert(PN->getIncomingBlock(i) == NonConstBB); InV = CastInst::Create(CI->getOpcode(), PN->getIncomingValue(i), @@ -2077,8 +2103,8 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { if (CI->isAllOnesValue() && ZI->getOperand(0)->getType() == Type::Int1Ty) return SelectInst::Create(ZI->getOperand(0), - Constant::getNullValue(I.getType()), - ConstantInt::getAllOnesValue(I.getType())); + Context->getNullValue(I.getType()), + Context->getConstantIntAllOnesValue(I.getType())); } if (isa<PHINode>(LHS)) @@ -2137,7 +2163,8 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { // X + X --> X << 1 if (I.getType()->isInteger()) { - if (Instruction *Result = AssociativeOpt(I, AddRHS(RHS))) return Result; + if (Instruction *Result = AssociativeOpt(I, AddRHS(RHS, Context), Context)) + return Result; if (Instruction *RHSI = dyn_cast<Instruction>(RHS)) { if (RHSI->getOpcode() == Instruction::Sub) @@ -2153,9 +2180,9 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { // -A + B --> B - A // -A + -B --> -(A + B) - if (Value *LHSV = dyn_castNegVal(LHS)) { + if (Value *LHSV = dyn_castNegVal(LHS, Context)) { if (LHS->getType()->isIntOrIntVector()) { - if (Value *RHSV = dyn_castNegVal(RHS)) { + if (Value *RHSV = dyn_castNegVal(RHS, Context)) { Instruction *NewAdd = BinaryOperator::CreateAdd(LHSV, RHSV, "sum"); InsertNewInstBefore(NewAdd, I); return BinaryOperator::CreateNeg(NewAdd); @@ -2167,33 +2194,34 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { // A + -B --> A - B if (!isa<Constant>(RHS)) - if (Value *V = dyn_castNegVal(RHS)) + if (Value *V = dyn_castNegVal(RHS, Context)) return BinaryOperator::CreateSub(LHS, V); ConstantInt *C2; - if (Value *X = dyn_castFoldableMul(LHS, C2)) { + if (Value *X = dyn_castFoldableMul(LHS, C2, Context)) { if (X == RHS) // X*C + X --> X * (C+1) - return BinaryOperator::CreateMul(RHS, AddOne(C2)); + return BinaryOperator::CreateMul(RHS, AddOne(C2, Context)); // X*C1 + X*C2 --> X * (C1+C2) ConstantInt *C1; - if (X == dyn_castFoldableMul(RHS, C1)) - return BinaryOperator::CreateMul(X, ConstantExpr::getAdd(C1, C2)); + if (X == dyn_castFoldableMul(RHS, C1, Context)) + return BinaryOperator::CreateMul(X, Context->getConstantExprAdd(C1, C2)); } // X + X*C --> X * (C+1) - if (dyn_castFoldableMul(RHS, C2) == LHS) - return BinaryOperator::CreateMul(LHS, AddOne(C2)); + if (dyn_castFoldableMul(RHS, C2, Context) == LHS) + return BinaryOperator::CreateMul(LHS, AddOne(C2, Context)); // X + ~X --> -1 since ~X = -X-1 - if (dyn_castNotVal(LHS) == RHS || dyn_castNotVal(RHS) == LHS) - return ReplaceInstUsesWith(I, Constant::getAllOnesValue(I.getType())); + if (dyn_castNotVal(LHS, Context) == RHS || + dyn_castNotVal(RHS, Context) == LHS) + return ReplaceInstUsesWith(I, Context->getAllOnesValue(I.getType())); // (A & C1)+(B & C2) --> (A & C1)|(B & C2) iff C1&C2 == 0 if (match(RHS, m_And(m_Value(), m_ConstantInt(C2)))) - if (Instruction *R = AssociativeOpt(I, AddMaskingAnd(C2))) + if (Instruction *R = AssociativeOpt(I, AddMaskingAnd(C2, Context), Context)) return R; // A+B --> A|B iff A and B have no bits set in common. @@ -2240,11 +2268,11 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { if (ConstantInt *CRHS = dyn_cast<ConstantInt>(RHS)) { Value *X = 0; if (match(LHS, m_Not(m_Value(X)))) // ~X + C --> (C-1) - X - return BinaryOperator::CreateSub(SubOne(CRHS), X); + return BinaryOperator::CreateSub(SubOne(CRHS, Context), X); // (X & FF00) + xx00 -> (X+xx00) & FF00 if (LHS->hasOneUse() && match(LHS, m_And(m_Value(X), m_ConstantInt(C2)))) { - Constant *Anded = ConstantExpr::getAnd(CRHS, C2); + Constant *Anded = Context->getConstantExprAnd(CRHS, C2); if (Anded == CRHS) { // See if all bits from the first bit set in the Add RHS up are included // in the mask. First, get the rightmost bit. @@ -2287,7 +2315,7 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { unsigned AS = cast<PointerType>(CI->getOperand(0)->getType())->getAddressSpace(); Value *I2 = InsertBitCastBefore(CI->getOperand(0), - PointerType::get(Type::Int8Ty, AS), I); + Context->getPointerType(Type::Int8Ty, AS), I); I2 = InsertNewInstBefore(GetElementPtrInst::Create(I2, Other, "ctg2"), I); return new PtrToIntInst(I2, CI->getType()); } @@ -2323,9 +2351,9 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { // (add (sext x), cst) --> (sext (add x, cst')) if (ConstantInt *RHSC = dyn_cast<ConstantInt>(RHS)) { Constant *CI = - ConstantExpr::getTrunc(RHSC, LHSConv->getOperand(0)->getType()); + Context->getConstantExprTrunc(RHSC, LHSConv->getOperand(0)->getType()); if (LHSConv->hasOneUse() && - ConstantExpr::getSExt(CI, I.getType()) == RHSC && + Context->getConstantExprSExt(CI, I.getType()) == RHSC && WillNotOverflowSignedAdd(LHSConv->getOperand(0), CI)) { // Insert the new, smaller add. Instruction *NewAdd = BinaryOperator::CreateAdd(LHSConv->getOperand(0), @@ -2364,7 +2392,7 @@ Instruction *InstCombiner::visitFAdd(BinaryOperator &I) { if (Constant *RHSC = dyn_cast<Constant>(RHS)) { // X + 0 --> X if (ConstantFP *CFP = dyn_cast<ConstantFP>(RHSC)) { - if (CFP->isExactlyValue(ConstantFP::getNegativeZero + if (CFP->isExactlyValue(Context->getConstantFPNegativeZero (I.getType())->getValueAPF())) return ReplaceInstUsesWith(I, LHS); } @@ -2376,12 +2404,12 @@ Instruction *InstCombiner::visitFAdd(BinaryOperator &I) { // -A + B --> B - A // -A + -B --> -(A + B) - if (Value *LHSV = dyn_castFNegVal(LHS)) + if (Value *LHSV = dyn_castFNegVal(LHS, Context)) return BinaryOperator::CreateFSub(RHS, LHSV); // A + -B --> A - B if (!isa<Constant>(RHS)) - if (Value *V = dyn_castFNegVal(RHS)) + if (Value *V = dyn_castFNegVal(RHS, Context)) return BinaryOperator::CreateFSub(LHS, V); // Check for X+0.0. Simplify it to X if we know X is not -0.0. @@ -2399,9 +2427,9 @@ Instruction *InstCombiner::visitFAdd(BinaryOperator &I) { // instcombined. if (ConstantFP *CFP = dyn_cast<ConstantFP>(RHS)) { Constant *CI = - ConstantExpr::getFPToSI(CFP, LHSConv->getOperand(0)->getType()); + Context->getConstantExprFPToSI(CFP, LHSConv->getOperand(0)->getType()); if (LHSConv->hasOneUse() && - ConstantExpr::getSIToFP(CI, I.getType()) == CFP && + Context->getConstantExprSIToFP(CI, I.getType()) == CFP && WillNotOverflowSignedAdd(LHSConv->getOperand(0), CI)) { // Insert the new integer add. Instruction *NewAdd = BinaryOperator::CreateAdd(LHSConv->getOperand(0), @@ -2437,10 +2465,10 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); if (Op0 == Op1) // sub X, X -> 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); // If this is a 'B = x-(-A)', change to B = x+A... - if (Value *V = dyn_castNegVal(Op1)) + if (Value *V = dyn_castNegVal(Op1, Context)) return BinaryOperator::CreateAdd(Op0, V); if (isa<UndefValue>(Op0)) @@ -2456,7 +2484,7 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { // C - ~X == X + (1+C) Value *X = 0; if (match(Op1, m_Not(m_Value(X)))) - return BinaryOperator::CreateAdd(X, AddOne(C)); + return BinaryOperator::CreateAdd(X, AddOne(C, Context)); // -(X >>u 31) -> (X >>s 31) // -(X >>s 31) -> (X >>u 31) @@ -2505,8 +2533,8 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { else if (ConstantInt *CI1 = dyn_cast<ConstantInt>(I.getOperand(0))) { if (ConstantInt *CI2 = dyn_cast<ConstantInt>(Op1I->getOperand(1))) // C1-(X+C2) --> (C1-C2)-X - return BinaryOperator::CreateSub(ConstantExpr::getSub(CI1, CI2), - Op1I->getOperand(0)); + return BinaryOperator::CreateSub( + Context->getConstantExprSub(CI1, CI2), Op1I->getOperand(0)); } } @@ -2541,12 +2569,13 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { if (CSI->isZero()) if (Constant *DivRHS = dyn_cast<Constant>(Op1I->getOperand(1))) return BinaryOperator::CreateSDiv(Op1I->getOperand(0), - ConstantExpr::getNeg(DivRHS)); + Context->getConstantExprNeg(DivRHS)); // X - X*C --> X * (1-C) ConstantInt *C2 = 0; - if (dyn_castFoldableMul(Op1I, C2) == Op0) { - Constant *CP1 = ConstantExpr::getSub(ConstantInt::get(I.getType(), 1), + if (dyn_castFoldableMul(Op1I, C2, Context) == Op0) { + Constant *CP1 = + Context->getConstantExprSub(Context->getConstantInt(I.getType(), 1), C2); return BinaryOperator::CreateMul(Op0, CP1); } @@ -2566,13 +2595,13 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { } ConstantInt *C1; - if (Value *X = dyn_castFoldableMul(Op0, C1)) { + if (Value *X = dyn_castFoldableMul(Op0, C1, Context)) { if (X == Op1) // X*C - X --> X * (C-1) - return BinaryOperator::CreateMul(Op1, SubOne(C1)); + return BinaryOperator::CreateMul(Op1, SubOne(C1, Context)); ConstantInt *C2; // X*C1 - X*C2 -> X * (C1-C2) - if (X == dyn_castFoldableMul(Op1, C2)) - return BinaryOperator::CreateMul(X, ConstantExpr::getSub(C1, C2)); + if (X == dyn_castFoldableMul(Op1, C2, Context)) + return BinaryOperator::CreateMul(X, Context->getConstantExprSub(C1, C2)); } return 0; } @@ -2581,7 +2610,7 @@ Instruction *InstCombiner::visitFSub(BinaryOperator &I) { Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); // If this is a 'B = x-(-A)', change to B = x+A... - if (Value *V = dyn_castFNegVal(Op1)) + if (Value *V = dyn_castFNegVal(Op1, Context)) return BinaryOperator::CreateFAdd(Op0, V); if (BinaryOperator *Op1I = dyn_cast<BinaryOperator>(Op1)) { @@ -2633,7 +2662,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { // TODO: If Op1 is undef and Op0 is finite, return zero. if (!I.getType()->isFPOrFPVector() && isa<UndefValue>(I.getOperand(1))) // undef * X -> 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); // Simplify mul instructions with a constant RHS... if (Constant *Op1 = dyn_cast<Constant>(I.getOperand(1))) { @@ -2644,7 +2673,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { if (SI->getOpcode() == Instruction::Shl) if (Constant *ShOp = dyn_cast<Constant>(SI->getOperand(1))) return BinaryOperator::CreateMul(SI->getOperand(0), - ConstantExpr::getShl(CI, ShOp)); + Context->getConstantExprShl(CI, ShOp)); if (CI->isZero()) return ReplaceInstUsesWith(I, Op1); // X * 0 == 0 @@ -2656,7 +2685,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { const APInt& Val = cast<ConstantInt>(CI)->getValue(); if (Val.isPowerOf2()) { // Replace X*(2^C) with X << C return BinaryOperator::CreateShl(Op0, - ConstantInt::get(Op0->getType(), Val.logBase2())); + Context->getConstantInt(Op0->getType(), Val.logBase2())); } } else if (isa<VectorType>(Op1->getType())) { // TODO: If Op1 is all zeros and Op0 is all finite, return all zeros. @@ -2681,7 +2710,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { Instruction *Add = BinaryOperator::CreateMul(Op0I->getOperand(0), Op1, "tmp"); InsertNewInstBefore(Add, I); - Value *C1C2 = ConstantExpr::getMul(Op1, + Value *C1C2 = Context->getConstantExprMul(Op1, cast<Constant>(Op0I->getOperand(1))); return BinaryOperator::CreateAdd(Add, C1C2); @@ -2697,8 +2726,8 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { return NV; } - if (Value *Op0v = dyn_castNegVal(Op0)) // -X * -Y = X*Y - if (Value *Op1v = dyn_castNegVal(I.getOperand(1))) + if (Value *Op0v = dyn_castNegVal(Op0, Context)) // -X * -Y = X*Y + if (Value *Op1v = dyn_castNegVal(I.getOperand(1), Context)) return BinaryOperator::CreateMul(Op0v, Op1v); // (X / Y) * Y = X - (X % Y) @@ -2712,7 +2741,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { Op1 = Op0; BO = dyn_cast<BinaryOperator>(I.getOperand(1)); } - Value *Neg = dyn_castNegVal(Op1); + Value *Neg = dyn_castNegVal(Op1, Context); if (BO && BO->hasOneUse() && (BO->getOperand(1) == Op1 || BO->getOperand(1) == Neg) && (BO->getOpcode() == Instruction::UDiv || @@ -2762,7 +2791,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { isSignBitCheck(SCI->getPredicate(), cast<ConstantInt>(SCIOp1), TIS) && TIS) { // Shift the X value right to turn it into "all signbits". - Constant *Amt = ConstantInt::get(SCIOp0->getType(), + Constant *Amt = Context->getConstantInt(SCIOp0->getType(), SCOpTy->getPrimitiveSizeInBits()-1); Value *V = InsertNewInstBefore( @@ -2822,8 +2851,8 @@ Instruction *InstCombiner::visitFMul(BinaryOperator &I) { return NV; } - if (Value *Op0v = dyn_castFNegVal(Op0)) // -X * -Y = X*Y - if (Value *Op1v = dyn_castFNegVal(I.getOperand(1))) + if (Value *Op0v = dyn_castFNegVal(Op0, Context)) // -X * -Y = X*Y + if (Value *Op1v = dyn_castFNegVal(I.getOperand(1), Context)) return BinaryOperator::CreateFMul(Op0v, Op1v); return Changed ? &I : 0; @@ -2880,8 +2909,8 @@ bool InstCombiner::SimplifyDivRemOfSelect(BinaryOperator &I) { *I = SI->getOperand(NonNullOperand); AddToWorkList(BBI); } else if (*I == SelectCond) { - *I = NonNullOperand == 1 ? ConstantInt::getTrue() : - ConstantInt::getFalse(); + *I = NonNullOperand == 1 ? Context->getConstantIntTrue() : + Context->getConstantIntFalse(); AddToWorkList(BBI); } } @@ -2913,7 +2942,7 @@ Instruction *InstCombiner::commonDivTransforms(BinaryOperator &I) { if (isa<UndefValue>(Op0)) { if (Op0->getType()->isFPOrFPVector()) return ReplaceInstUsesWith(I, Op0); - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); } // X / undef -> undef @@ -2933,12 +2962,12 @@ Instruction *InstCombiner::commonIDivTransforms(BinaryOperator &I) { // (sdiv X, X) --> 1 (udiv X, X) --> 1 if (Op0 == Op1) { if (const VectorType *Ty = dyn_cast<VectorType>(I.getType())) { - Constant *CI = ConstantInt::get(Ty->getElementType(), 1); + Constant *CI = Context->getConstantInt(Ty->getElementType(), 1); std::vector<Constant*> Elts(Ty->getNumElements(), CI); - return ReplaceInstUsesWith(I, ConstantVector::get(Elts)); + return ReplaceInstUsesWith(I, Context->getConstantVector(Elts)); } - Constant *CI = ConstantInt::get(I.getType(), 1); + Constant *CI = Context->getConstantInt(I.getType(), 1); return ReplaceInstUsesWith(I, CI); } @@ -2959,11 +2988,12 @@ Instruction *InstCombiner::commonIDivTransforms(BinaryOperator &I) { if (Instruction *LHS = dyn_cast<Instruction>(Op0)) if (Instruction::BinaryOps(LHS->getOpcode()) == I.getOpcode()) if (ConstantInt *LHSRHS = dyn_cast<ConstantInt>(LHS->getOperand(1))) { - if (MultiplyOverflows(RHS, LHSRHS, I.getOpcode()==Instruction::SDiv)) - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + if (MultiplyOverflows(RHS, LHSRHS, + I.getOpcode()==Instruction::SDiv, Context)) + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); else return BinaryOperator::Create(I.getOpcode(), LHS->getOperand(0), - ConstantExpr::getMul(RHS, LHSRHS)); + Context->getConstantExprMul(RHS, LHSRHS)); } if (!RHS->isZero()) { // avoid X udiv 0 @@ -2979,7 +3009,7 @@ Instruction *InstCombiner::commonIDivTransforms(BinaryOperator &I) { // 0 / X == 0, we don't need to preserve faults! if (ConstantInt *LHS = dyn_cast<ConstantInt>(Op0)) if (LHS->equalsInt(0)) - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); // It can't be division by zero, hence it must be division by one. if (I.getType() == Type::Int1Ty) @@ -3008,14 +3038,14 @@ Instruction *InstCombiner::visitUDiv(BinaryOperator &I) { // if so, convert to a right shift. if (C->getValue().isPowerOf2()) // 0 not included in isPowerOf2 return BinaryOperator::CreateLShr(Op0, - ConstantInt::get(Op0->getType(), C->getValue().logBase2())); + Context->getConstantInt(Op0->getType(), C->getValue().logBase2())); // X udiv C, where C >= signbit if (C->getValue().isNegative()) { Value *IC = InsertNewInstBefore(new ICmpInst(ICmpInst::ICMP_ULT, Op0, C), I); - return SelectInst::Create(IC, Constant::getNullValue(I.getType()), - ConstantInt::get(I.getType(), 1)); + return SelectInst::Create(IC, Context->getNullValue(I.getType()), + Context->getConstantInt(I.getType(), 1)); } } @@ -3028,7 +3058,7 @@ Instruction *InstCombiner::visitUDiv(BinaryOperator &I) { Value *N = RHSI->getOperand(1); const Type *NTy = N->getType(); if (uint32_t C2 = C1.logBase2()) { - Constant *C2V = ConstantInt::get(NTy, C2); + Constant *C2V = Context->getConstantInt(NTy, C2); N = InsertNewInstBefore(BinaryOperator::CreateAdd(N, C2V, "tmp"), I); } return BinaryOperator::CreateLShr(Op0, N); @@ -3046,13 +3076,13 @@ Instruction *InstCombiner::visitUDiv(BinaryOperator &I) { // Compute the shift amounts uint32_t TSA = TVA.logBase2(), FSA = FVA.logBase2(); // Construct the "on true" case of the select - Constant *TC = ConstantInt::get(Op0->getType(), TSA); + Constant *TC = Context->getConstantInt(Op0->getType(), TSA); Instruction *TSI = BinaryOperator::CreateLShr( Op0, TC, SI->getName()+".t"); TSI = InsertNewInstBefore(TSI, I); // Construct the "on false" case of the select - Constant *FC = ConstantInt::get(Op0->getType(), FSA); + Constant *FC = Context->getConstantInt(Op0->getType(), FSA); Instruction *FSI = BinaryOperator::CreateLShr( Op0, FC, SI->getName()+".f"); FSI = InsertNewInstBefore(FSI, I); @@ -3104,7 +3134,7 @@ Instruction *InstCombiner::commonRemTransforms(BinaryOperator &I) { if (isa<UndefValue>(Op0)) { // undef % X -> 0 if (I.getType()->isFPOrFPVector()) return ReplaceInstUsesWith(I, Op0); // X % undef -> undef (could be SNaN) - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); } if (isa<UndefValue>(Op1)) return ReplaceInstUsesWith(I, Op1); // X % undef -> undef @@ -3129,15 +3159,15 @@ Instruction *InstCombiner::commonIRemTransforms(BinaryOperator &I) { // 0 % X == 0 for integer, we don't need to preserve faults! if (Constant *LHS = dyn_cast<Constant>(Op0)) if (LHS->isNullValue()) - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); if (ConstantInt *RHS = dyn_cast<ConstantInt>(Op1)) { // X % 0 == undef, we don't need to preserve faults! if (RHS->equalsInt(0)) - return ReplaceInstUsesWith(I, UndefValue::get(I.getType())); + return ReplaceInstUsesWith(I, Context->getUndef(I.getType())); if (RHS->equalsInt(1)) // X % 1 == 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); if (Instruction *Op0I = dyn_cast<Instruction>(Op0)) { if (SelectInst *SI = dyn_cast<SelectInst>(Op0I)) { @@ -3169,7 +3199,7 @@ Instruction *InstCombiner::visitURem(BinaryOperator &I) { // if so, convert to a bitwise and. if (ConstantInt *C = dyn_cast<ConstantInt>(RHS)) if (C->getValue().isPowerOf2()) - return BinaryOperator::CreateAnd(Op0, SubOne(C)); + return BinaryOperator::CreateAnd(Op0, SubOne(C, Context)); } if (Instruction *RHSI = dyn_cast<Instruction>(I.getOperand(1))) { @@ -3177,7 +3207,7 @@ Instruction *InstCombiner::visitURem(BinaryOperator &I) { if (RHSI->getOpcode() == Instruction::Shl && isa<ConstantInt>(RHSI->getOperand(0))) { if (cast<ConstantInt>(RHSI->getOperand(0))->getValue().isPowerOf2()) { - Constant *N1 = ConstantInt::getAllOnesValue(I.getType()); + Constant *N1 = Context->getConstantIntAllOnesValue(I.getType()); Value *Add = InsertNewInstBefore(BinaryOperator::CreateAdd(RHSI, N1, "tmp"), I); return BinaryOperator::CreateAnd(Op0, Add); @@ -3194,9 +3224,11 @@ Instruction *InstCombiner::visitURem(BinaryOperator &I) { if ((STO->getValue().isPowerOf2()) && (SFO->getValue().isPowerOf2())) { Value *TrueAnd = InsertNewInstBefore( - BinaryOperator::CreateAnd(Op0, SubOne(STO), SI->getName()+".t"), I); + BinaryOperator::CreateAnd(Op0, SubOne(STO, Context), + SI->getName()+".t"), I); Value *FalseAnd = InsertNewInstBefore( - BinaryOperator::CreateAnd(Op0, SubOne(SFO), SI->getName()+".f"), I); + BinaryOperator::CreateAnd(Op0, SubOne(SFO, Context), + SI->getName()+".f"), I); return SelectInst::Create(SI->getOperand(0), TrueAnd, FalseAnd); } } @@ -3212,7 +3244,7 @@ Instruction *InstCombiner::visitSRem(BinaryOperator &I) { if (Instruction *common = commonIRemTransforms(I)) return common; - if (Value *RHSNeg = dyn_castNegVal(Op1)) + if (Value *RHSNeg = dyn_castNegVal(Op1, Context)) if (!isa<Constant>(RHSNeg) || (isa<ConstantInt>(RHSNeg) && cast<ConstantInt>(RHSNeg)->getValue().isStrictlyPositive())) { @@ -3247,13 +3279,13 @@ Instruction *InstCombiner::visitSRem(BinaryOperator &I) { for (unsigned i = 0; i != VWidth; ++i) { if (ConstantInt *RHS = dyn_cast<ConstantInt>(RHSV->getOperand(i))) { if (RHS->getValue().isNegative()) - Elts[i] = cast<ConstantInt>(ConstantExpr::getNeg(RHS)); + Elts[i] = cast<ConstantInt>(Context->getConstantExprNeg(RHS)); else Elts[i] = RHS; } } - Constant *NewRHSV = ConstantVector::get(Elts); + Constant *NewRHSV = Context->getConstantVector(Elts); if (NewRHSV != RHSV) { AddUsesToWorkList(I); I.setOperand(1, NewRHSV); @@ -3356,10 +3388,11 @@ static unsigned getFCmpCode(FCmpInst::Predicate CC, bool &isOrdered) { /// opcode and two operands into either a constant true or false, or a brand /// new ICmp instruction. The sign is passed in to determine which kind /// of predicate to use in the new icmp instruction. -static Value *getICmpValue(bool sign, unsigned code, Value *LHS, Value *RHS) { +static Value *getICmpValue(bool sign, unsigned code, Value *LHS, Value *RHS, + LLVMContext* Context) { switch (code) { default: assert(0 && "Illegal ICmp code!"); - case 0: return ConstantInt::getFalse(); + case 0: return Context->getConstantIntFalse(); case 1: if (sign) return new ICmpInst(ICmpInst::ICMP_SGT, LHS, RHS); @@ -3382,7 +3415,7 @@ static Value *getICmpValue(bool sign, unsigned code, Value *LHS, Value *RHS) { return new ICmpInst(ICmpInst::ICMP_SLE, LHS, RHS); else return new ICmpInst(ICmpInst::ICMP_ULE, LHS, RHS); - case 7: return ConstantInt::getTrue(); + case 7: return Context->getConstantIntTrue(); } } @@ -3390,7 +3423,7 @@ static Value *getICmpValue(bool sign, unsigned code, Value *LHS, Value *RHS) { /// opcode and two operands into either a FCmp instruction. isordered is passed /// in to determine which kind of predicate to use in the new fcmp instruction. static Value *getFCmpValue(bool isordered, unsigned code, - Value *LHS, Value *RHS) { + Value *LHS, Value *RHS, LLVMContext* Context) { switch (code) { default: assert(0 && "Illegal FCmp code!"); case 0: @@ -3428,7 +3461,7 @@ static Value *getFCmpValue(bool isordered, unsigned code, return new FCmpInst(FCmpInst::FCMP_OLE, LHS, RHS); else return new FCmpInst(FCmpInst::FCMP_ULE, LHS, RHS); - case 7: return ConstantInt::getTrue(); + case 7: return Context->getConstantIntTrue(); } } @@ -3477,7 +3510,7 @@ struct FoldICmpLogical { bool isSigned = ICmpInst::isSignedPredicate(RHSICI->getPredicate()) || ICmpInst::isSignedPredicate(ICI->getPredicate()); - Value *RV = getICmpValue(isSigned, Code, LHS, RHS); + Value *RV = getICmpValue(isSigned, Code, LHS, RHS, IC.getContext()); if (Instruction *I = dyn_cast<Instruction>(RV)) return I; // Otherwise, it's a constant boolean value... @@ -3496,7 +3529,7 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op, Value *X = Op->getOperand(0); Constant *Together = 0; if (!Op->isShift()) - Together = ConstantExpr::getAnd(AndRHS, OpRHS); + Together = Context->getConstantExprAnd(AndRHS, OpRHS); switch (Op->getOpcode()) { case Instruction::Xor: @@ -3562,7 +3595,7 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op, uint32_t BitWidth = AndRHS->getType()->getBitWidth(); uint32_t OpRHSVal = OpRHS->getLimitedValue(BitWidth); APInt ShlMask(APInt::getHighBitsSet(BitWidth, BitWidth-OpRHSVal)); - ConstantInt *CI = ConstantInt::get(AndRHS->getValue() & ShlMask); + ConstantInt *CI = Context->getConstantInt(AndRHS->getValue() & ShlMask); if (CI->getValue() == ShlMask) { // Masking out bits that the shift already masks @@ -3582,7 +3615,7 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op, uint32_t BitWidth = AndRHS->getType()->getBitWidth(); uint32_t OpRHSVal = OpRHS->getLimitedValue(BitWidth); APInt ShrMask(APInt::getLowBitsSet(BitWidth, BitWidth - OpRHSVal)); - ConstantInt *CI = ConstantInt::get(AndRHS->getValue() & ShrMask); + ConstantInt *CI = Context->getConstantInt(AndRHS->getValue() & ShrMask); if (CI->getValue() == ShrMask) { // Masking out bits that the shift already masks. @@ -3601,7 +3634,7 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op, uint32_t BitWidth = AndRHS->getType()->getBitWidth(); uint32_t OpRHSVal = OpRHS->getLimitedValue(BitWidth); APInt ShrMask(APInt::getLowBitsSet(BitWidth, BitWidth - OpRHSVal)); - Constant *C = ConstantInt::get(AndRHS->getValue() & ShrMask); + Constant *C = Context->getConstantInt(AndRHS->getValue() & ShrMask); if (C == AndRHS) { // Masking out bits shifted in. // (Val ashr C1) & C2 -> (Val lshr C1) & C2 // Make the argument unsigned. @@ -3626,7 +3659,7 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op, Instruction *InstCombiner::InsertRangeTest(Value *V, Constant *Lo, Constant *Hi, bool isSigned, bool Inside, Instruction &IB) { - assert(cast<ConstantInt>(ConstantExpr::getICmp((isSigned ? + assert(cast<ConstantInt>(Context->getConstantExprICmp((isSigned ? ICmpInst::ICMP_SLE:ICmpInst::ICMP_ULE), Lo, Hi))->getZExtValue() && "Lo is not <= Hi in range emission code!"); @@ -3642,10 +3675,10 @@ Instruction *InstCombiner::InsertRangeTest(Value *V, Constant *Lo, Constant *Hi, } // Emit V-Lo <u Hi-Lo - Constant *NegLo = ConstantExpr::getNeg(Lo); + Constant *NegLo = Context->getConstantExprNeg(Lo); Instruction *Add = BinaryOperator::CreateAdd(V, NegLo, V->getName()+".off"); InsertNewInstBefore(Add, IB); - Constant *UpperBound = ConstantExpr::getAdd(NegLo, Hi); + Constant *UpperBound = Context->getConstantExprAdd(NegLo, Hi); return new ICmpInst(ICmpInst::ICMP_ULT, Add, UpperBound); } @@ -3653,7 +3686,7 @@ Instruction *InstCombiner::InsertRangeTest(Value *V, Constant *Lo, Constant *Hi, return new ICmpInst(ICmpInst::ICMP_EQ, V, V); // V < Min || V >= Hi -> V > Hi-1 - Hi = SubOne(cast<ConstantInt>(Hi)); + Hi = SubOne(cast<ConstantInt>(Hi), Context); if (cast<ConstantInt>(Lo)->isMinValue(isSigned)) { ICmpInst::Predicate pred = (isSigned ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT); @@ -3662,10 +3695,10 @@ Instruction *InstCombiner::InsertRangeTest(Value *V, Constant *Lo, Constant *Hi, // Emit V-Lo >u Hi-1-Lo // Note that Hi has already had one subtracted from it, above. - ConstantInt *NegLo = cast<ConstantInt>(ConstantExpr::getNeg(Lo)); + ConstantInt *NegLo = cast<ConstantInt>(Context->getConstantExprNeg(Lo)); Instruction *Add = BinaryOperator::CreateAdd(V, NegLo, V->getName()+".off"); InsertNewInstBefore(Add, IB); - Constant *LowerBound = ConstantExpr::getAdd(NegLo, Hi); + Constant *LowerBound = Context->getConstantExprAdd(NegLo, Hi); return new ICmpInst(ICmpInst::ICMP_UGT, Add, LowerBound); } @@ -3707,7 +3740,7 @@ Value *InstCombiner::FoldLogicalPlusAnd(Value *LHS, Value *RHS, switch (LHSI->getOpcode()) { default: return 0; case Instruction::And: - if (ConstantExpr::getAnd(N, Mask) == Mask) { + if (Context->getConstantExprAnd(N, Mask) == Mask) { // If the AndRHS is a power of two minus one (0+1+), this is simple. if ((Mask->getValue().countLeadingZeros() + Mask->getValue().countPopulation()) == @@ -3731,7 +3764,7 @@ Value *InstCombiner::FoldLogicalPlusAnd(Value *LHS, Value *RHS, // If the AndRHS is a power of two minus one (0+1+), and N&Mask == 0 if ((Mask->getValue().countLeadingZeros() + Mask->getValue().countPopulation()) == Mask->getValue().getBitWidth() - && ConstantExpr::getAnd(N, Mask)->isNullValue()) + && Context->getConstantExprAnd(N, Mask)->isNullValue()) break; return 0; } @@ -3811,7 +3844,7 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, case ICmpInst::ICMP_EQ: // (X == 13 & X == 15) -> false case ICmpInst::ICMP_UGT: // (X == 13 & X > 15) -> false case ICmpInst::ICMP_SGT: // (X == 13 & X > 15) -> false - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); case ICmpInst::ICMP_NE: // (X == 13 & X != 15) -> X == 13 case ICmpInst::ICMP_ULT: // (X == 13 & X < 15) -> X == 13 case ICmpInst::ICMP_SLT: // (X == 13 & X < 15) -> X == 13 @@ -3821,11 +3854,11 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, switch (RHSCC) { default: assert(0 && "Unknown integer condition code!"); case ICmpInst::ICMP_ULT: - if (LHSCst == SubOne(RHSCst)) // (X != 13 & X u< 14) -> X < 13 + if (LHSCst == SubOne(RHSCst, Context)) // (X != 13 & X u< 14) -> X < 13 return new ICmpInst(ICmpInst::ICMP_ULT, Val, LHSCst); break; // (X != 13 & X u< 15) -> no change case ICmpInst::ICMP_SLT: - if (LHSCst == SubOne(RHSCst)) // (X != 13 & X s< 14) -> X < 13 + if (LHSCst == SubOne(RHSCst, Context)) // (X != 13 & X s< 14) -> X < 13 return new ICmpInst(ICmpInst::ICMP_SLT, Val, LHSCst); break; // (X != 13 & X s< 15) -> no change case ICmpInst::ICMP_EQ: // (X != 13 & X == 15) -> X == 15 @@ -3833,13 +3866,13 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, case ICmpInst::ICMP_SGT: // (X != 13 & X s> 15) -> X s> 15 return ReplaceInstUsesWith(I, RHS); case ICmpInst::ICMP_NE: - if (LHSCst == SubOne(RHSCst)){// (X != 13 & X != 14) -> X-13 >u 1 - Constant *AddCST = ConstantExpr::getNeg(LHSCst); + if (LHSCst == SubOne(RHSCst, Context)){// (X != 13 & X != 14) -> X-13 >u 1 + Constant *AddCST = Context->getConstantExprNeg(LHSCst); Instruction *Add = BinaryOperator::CreateAdd(Val, AddCST, Val->getName()+".off"); InsertNewInstBefore(Add, I); return new ICmpInst(ICmpInst::ICMP_UGT, Add, - ConstantInt::get(Add->getType(), 1)); + Context->getConstantInt(Add->getType(), 1)); } break; // (X != 13 & X != 15) -> no change } @@ -3849,7 +3882,7 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, default: assert(0 && "Unknown integer condition code!"); case ICmpInst::ICMP_EQ: // (X u< 13 & X == 15) -> false case ICmpInst::ICMP_UGT: // (X u< 13 & X u> 15) -> false - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); case ICmpInst::ICMP_SGT: // (X u< 13 & X s> 15) -> no change break; case ICmpInst::ICMP_NE: // (X u< 13 & X != 15) -> X u< 13 @@ -3864,7 +3897,7 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, default: assert(0 && "Unknown integer condition code!"); case ICmpInst::ICMP_EQ: // (X s< 13 & X == 15) -> false case ICmpInst::ICMP_SGT: // (X s< 13 & X s> 15) -> false - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); case ICmpInst::ICMP_UGT: // (X s< 13 & X u> 15) -> no change break; case ICmpInst::ICMP_NE: // (X s< 13 & X != 15) -> X < 13 @@ -3883,11 +3916,12 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, case ICmpInst::ICMP_SGT: // (X u> 13 & X s> 15) -> no change break; case ICmpInst::ICMP_NE: - if (RHSCst == AddOne(LHSCst)) // (X u> 13 & X != 14) -> X u> 14 + if (RHSCst == AddOne(LHSCst, Context)) // (X u> 13 & X != 14) -> X u> 14 return new ICmpInst(LHSCC, Val, RHSCst); break; // (X u> 13 & X != 15) -> no change case ICmpInst::ICMP_ULT: // (X u> 13 & X u< 15) -> (X-14) <u 1 - return InsertRangeTest(Val, AddOne(LHSCst), RHSCst, false, true, I); + return InsertRangeTest(Val, AddOne(LHSCst, Context), + RHSCst, false, true, I); case ICmpInst::ICMP_SLT: // (X u> 13 & X s< 15) -> no change break; } @@ -3901,11 +3935,12 @@ Instruction *InstCombiner::FoldAndOfICmps(Instruction &I, case ICmpInst::ICMP_UGT: // (X s> 13 & X u> 15) -> no change break; case ICmpInst::ICMP_NE: - if (RHSCst == AddOne(LHSCst)) // (X s> 13 & X != 14) -> X s> 14 + if (RHSCst == AddOne(LHSCst, Context)) // (X s> 13 & X != 14) -> X s> 14 return new ICmpInst(LHSCC, Val, RHSCst); break; // (X s> 13 & X != 15) -> no change case ICmpInst::ICMP_SLT: // (X s> 13 & X s< 15) -> (X-14) s< 1 - return InsertRangeTest(Val, AddOne(LHSCst), RHSCst, true, true, I); + return InsertRangeTest(Val, AddOne(LHSCst, Context), + RHSCst, true, true, I); case ICmpInst::ICMP_ULT: // (X s> 13 & X u< 15) -> no change break; } @@ -3921,7 +3956,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); if (isa<UndefValue>(Op1)) // X & undef -> 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); // and X, X = X if (Op0 == Op1) @@ -4014,7 +4049,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { // (1 >> x) & 1 --> zext(x == 0) if (AndRHSMask == 1 && Op0LHS == AndRHS) { Instruction *NewICmp = new ICmpInst(ICmpInst::ICMP_EQ, Op0RHS, - Constant::getNullValue(I.getType())); + Context->getNullValue(I.getType())); InsertNewInstBefore(NewICmp, I); return new ZExtInst(NewICmp, I.getType()); } @@ -4042,14 +4077,17 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { CastOp->getName()+".shrunk"); NewCast = InsertNewInstBefore(NewCast, I); // trunc_or_bitcast(C1)&C2 - Constant *C3 = ConstantExpr::getTruncOrBitCast(AndCI,I.getType()); - C3 = ConstantExpr::getAnd(C3, AndRHS); + Constant *C3 = + Context->getConstantExprTruncOrBitCast(AndCI,I.getType()); + C3 = Context->getConstantExprAnd(C3, AndRHS); return BinaryOperator::CreateAnd(NewCast, C3); } else if (CastOp->getOpcode() == Instruction::Or) { // Change: and (cast (or X, C1) to T), C2 // into : trunc(C1)&C2 iff trunc(C1)&C2 == C2 - Constant *C3 = ConstantExpr::getTruncOrBitCast(AndCI,I.getType()); - if (ConstantExpr::getAnd(C3, AndRHS) == AndRHS) // trunc(C1)&C2 + Constant *C3 = + Context->getConstantExprTruncOrBitCast(AndCI,I.getType()); + if (Context->getConstantExprAnd(C3, AndRHS) == AndRHS) + // trunc(C1)&C2 return ReplaceInstUsesWith(I, AndRHS); } } @@ -4065,11 +4103,11 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { return NV; } - Value *Op0NotVal = dyn_castNotVal(Op0); - Value *Op1NotVal = dyn_castNotVal(Op1); + Value *Op0NotVal = dyn_castNotVal(Op0, Context); + Value *Op1NotVal = dyn_castNotVal(Op1, Context); if (Op0NotVal == Op1 || Op1NotVal == Op0) // A & ~A == ~A & A == 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); // (~A & ~B) == (~(A | B)) - De Morgan's Law if (Op0NotVal && Op1NotVal && isOnlyUse(Op0) && isOnlyUse(Op1)) { @@ -4139,7 +4177,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { if (ICmpInst *RHS = dyn_cast<ICmpInst>(Op1)) { // (icmp1 A, B) & (icmp2 A, B) --> (icmp3 A, B) - if (Instruction *R = AssociativeOpt(I, FoldICmpLogical(*this, RHS))) + if (Instruction *R = AssociativeOpt(I, FoldICmpLogical(*this, RHS),Context)) return R; if (ICmpInst *LHS = dyn_cast<ICmpInst>(Op0)) @@ -4192,7 +4230,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { // If either of the constants are nans, then the whole thing returns // false. if (LHSC->getValueAPF().isNaN() || RHSC->getValueAPF().isNaN()) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); return new FCmpInst(FCmpInst::FCMP_ORD, LHS->getOperand(0), RHS->getOperand(0)); } @@ -4212,7 +4250,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { return new FCmpInst((FCmpInst::Predicate)Op0CC, Op0LHS, Op0RHS); else if (Op0CC == FCmpInst::FCMP_FALSE || Op1CC == FCmpInst::FCMP_FALSE) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); else if (Op0CC == FCmpInst::FCMP_TRUE) return ReplaceInstUsesWith(I, Op1); else if (Op1CC == FCmpInst::FCMP_TRUE) @@ -4234,10 +4272,10 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) { // uno && oeq -> uno && (ord && eq) -> false // uno && ord -> false if (!Op0Ordered) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); // ord && ueq -> ord && (uno || eq) -> oeq return cast<Instruction>(getFCmpValue(true, Op1Pred, - Op0LHS, Op0RHS)); + Op0LHS, Op0RHS, Context)); } } } @@ -4487,12 +4525,13 @@ Instruction *InstCombiner::FoldOrOfICmps(Instruction &I, switch (RHSCC) { default: assert(0 && "Unknown integer condition code!"); case ICmpInst::ICMP_EQ: - if (LHSCst == SubOne(RHSCst)) { // (X == 13 | X == 14) -> X-13 <u 2 - Constant *AddCST = ConstantExpr::getNeg(LHSCst); + if (LHSCst == SubOne(RHSCst, Context)) { + // (X == 13 | X == 14) -> X-13 <u 2 + Constant *AddCST = Context->getConstantExprNeg(LHSCst); Instruction *Add = BinaryOperator::CreateAdd(Val, AddCST, Val->getName()+".off"); InsertNewInstBefore(Add, I); - AddCST = ConstantExpr::getSub(AddOne(RHSCst), LHSCst); + AddCST = Context->getConstantExprSub(AddOne(RHSCst, Context), LHSCst); return new ICmpInst(ICmpInst::ICMP_ULT, Add, AddCST); } break; // (X == 13 | X == 15) -> no change @@ -4515,7 +4554,7 @@ Instruction *InstCombiner::FoldOrOfICmps(Instruction &I, case ICmpInst::ICMP_NE: // (X != 13 | X != 15) -> true case ICmpInst::ICMP_ULT: // (X != 13 | X u< 15) -> true case ICmpInst::ICMP_SLT: // (X != 13 | X s< 15) -> true - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); } break; case ICmpInst::ICMP_ULT: @@ -4528,7 +4567,8 @@ Instruction *InstCombiner::FoldOrOfICmps(Instruction &I, // this can cause overflow. if (RHSCst->isMaxValue(false)) return ReplaceInstUsesWith(I, LHS); - return InsertRangeTest(Val, LHSCst, AddOne(RHSCst), false, false, I); + return InsertRangeTest(Val, LHSCst, AddOne(RHSCst, Context), + false, false, I); case ICmpInst::ICMP_SGT: // (X u< 13 | X s> 15) -> no change break; case ICmpInst::ICMP_NE: // (X u< 13 | X != 15) -> X != 15 @@ -4548,7 +4588,8 @@ Instruction *InstCombiner::FoldOrOfICmps(Instruction &I, // this can cause overflow. if (RHSCst->isMaxValue(true)) return ReplaceInstUsesWith(I, LHS); - return InsertRangeTest(Val, LHSCst, AddOne(RHSCst), true, false, I); + return InsertRangeTest(Val, LHSCst, AddOne(RHSCst, Context), + true, false, I); case ICmpInst::ICMP_UGT: // (X s< 13 | X u> 15) -> no change break; case ICmpInst::ICMP_NE: // (X s< 13 | X != 15) -> X != 15 @@ -4568,7 +4609,7 @@ Instruction *InstCombiner::FoldOrOfICmps(Instruction &I, break; case ICmpInst::ICMP_NE: // (X u> 13 | X != 15) -> true case ICmpInst::ICMP_ULT: // (X u> 13 | X u< 15) -> true - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); case ICmpInst::ICMP_SLT: // (X u> 13 | X s< 15) -> no change break; } @@ -4583,7 +4624,7 @@ Instruction *InstCombiner::FoldOrOfICmps(Instruction &I, break; case ICmpInst::ICMP_NE: // (X s> 13 | X != 15) -> true case ICmpInst::ICMP_SLT: // (X s> 13 | X s< 15) -> true - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); case ICmpInst::ICMP_ULT: // (X s> 13 | X u< 15) -> no change break; } @@ -4627,7 +4668,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); if (isa<UndefValue>(Op1)) // X | undef -> -1 - return ReplaceInstUsesWith(I, Constant::getAllOnesValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getAllOnesValue(I.getType())); // or X, X = X if (Op0 == Op1) @@ -4655,7 +4696,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { InsertNewInstBefore(Or, I); Or->takeName(Op0); return BinaryOperator::CreateAnd(Or, - ConstantInt::get(RHS->getValue() | C1->getValue())); + Context->getConstantInt(RHS->getValue() | C1->getValue())); } // (X ^ C1) | C2 --> (X | C2) ^ (C1&~C2) @@ -4664,7 +4705,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { InsertNewInstBefore(Or, I); Or->takeName(Op0); return BinaryOperator::CreateXor(Or, - ConstantInt::get(C1->getValue() & ~RHS->getValue())); + Context->getConstantInt(C1->getValue() & ~RHS->getValue())); } // Try to fold constant and into select arguments. @@ -4824,14 +4865,14 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { if (match(Op0, m_Not(m_Value(A)))) { // ~A | Op1 if (A == Op1) // ~A | A == -1 - return ReplaceInstUsesWith(I, Constant::getAllOnesValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getAllOnesValue(I.getType())); } else { A = 0; } // Note, A is still live here! if (match(Op1, m_Not(m_Value(B)))) { // Op0 | ~B if (Op0 == B) - return ReplaceInstUsesWith(I, Constant::getAllOnesValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getAllOnesValue(I.getType())); // (~A | ~B) == (~(A & B)) - De Morgan's Law if (A && isOnlyUse(Op0) && isOnlyUse(Op1)) { @@ -4843,7 +4884,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { // (icmp1 A, B) | (icmp2 A, B) --> (icmp3 A, B) if (ICmpInst *RHS = dyn_cast<ICmpInst>(I.getOperand(1))) { - if (Instruction *R = AssociativeOpt(I, FoldICmpLogical(*this, RHS))) + if (Instruction *R = AssociativeOpt(I, FoldICmpLogical(*this, RHS),Context)) return R; if (ICmpInst *LHS = dyn_cast<ICmpInst>(I.getOperand(0))) @@ -4887,7 +4928,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { // If either of the constants are nans, then the whole thing returns // true. if (LHSC->getValueAPF().isNaN() || RHSC->getValueAPF().isNaN()) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); // Otherwise, no need to compare the two constants, compare the // rest. @@ -4910,7 +4951,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { return new FCmpInst((FCmpInst::Predicate)Op0CC, Op0LHS, Op0RHS); else if (Op0CC == FCmpInst::FCMP_TRUE || Op1CC == FCmpInst::FCMP_TRUE) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); else if (Op0CC == FCmpInst::FCMP_FALSE) return ReplaceInstUsesWith(I, Op1); else if (Op1CC == FCmpInst::FCMP_FALSE) @@ -4923,7 +4964,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { // If both are ordered or unordered, return a new fcmp with // or'ed predicates. Value *RV = getFCmpValue(Op0Ordered, Op0Pred|Op1Pred, - Op0LHS, Op0RHS); + Op0LHS, Op0RHS, Context); if (Instruction *I = dyn_cast<Instruction>(RV)) return I; // Otherwise, it's a constant boolean value... @@ -4960,14 +5001,14 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { if (isa<UndefValue>(Op0)) // Handle undef ^ undef -> 0 special case. This is a common // idiom (misuse). - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); return ReplaceInstUsesWith(I, Op1); // X ^ undef -> undef } // xor X, X = 0, even if X is nested in a sequence of Xor's. - if (Instruction *Result = AssociativeOpt(I, XorSelf(Op1))) { + if (Instruction *Result = AssociativeOpt(I, XorSelf(Op1), Context)) { assert(Result == &I && "AssociativeOpt didn't work?"); Result=Result; - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); } // See if we can simplify any instructions used by the instruction whose sole @@ -4979,14 +5020,14 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { return ReplaceInstUsesWith(I, Op0); // X ^ <0,0> -> X // Is this a ~ operation? - if (Value *NotOp = dyn_castNotVal(&I)) { + if (Value *NotOp = dyn_castNotVal(&I, Context)) { // ~(~X & Y) --> (X | ~Y) - De Morgan's Law // ~(~X | Y) === (X & ~Y) - De Morgan's Law if (BinaryOperator *Op0I = dyn_cast<BinaryOperator>(NotOp)) { if (Op0I->getOpcode() == Instruction::And || Op0I->getOpcode() == Instruction::Or) { - if (dyn_castNotVal(Op0I->getOperand(1))) Op0I->swapOperands(); - if (Value *Op0NotVal = dyn_castNotVal(Op0I->getOperand(0))) { + if (dyn_castNotVal(Op0I->getOperand(1), Context)) Op0I->swapOperands(); + if (Value *Op0NotVal = dyn_castNotVal(Op0I->getOperand(0), Context)) { Instruction *NotY = BinaryOperator::CreateNot(Op0I->getOperand(1), Op0I->getOperand(1)->getName()+".not"); @@ -5002,7 +5043,7 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { if (ConstantInt *RHS = dyn_cast<ConstantInt>(Op1)) { - if (RHS == ConstantInt::getTrue() && Op0->hasOneUse()) { + if (RHS == Context->getConstantIntTrue() && Op0->hasOneUse()) { // xor (cmp A, B), true = not (cmp A, B) = !cmp A, B if (ICmpInst *ICI = dyn_cast<ICmpInst>(Op0)) return new ICmpInst(ICI->getInversePredicate(), @@ -5019,7 +5060,8 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { if (CI->hasOneUse() && Op0C->hasOneUse()) { Instruction::CastOps Opcode = Op0C->getOpcode(); if (Opcode == Instruction::ZExt || Opcode == Instruction::SExt) { - if (RHS == ConstantExpr::getCast(Opcode, ConstantInt::getTrue(), + if (RHS == Context->getConstantExprCast(Opcode, + Context->getConstantIntTrue(), Op0C->getDestTy())) { Instruction *NewCI = InsertNewInstBefore(CmpInst::Create( CI->getOpcode(), CI->getInversePredicate(), @@ -5036,9 +5078,9 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { // ~(c-X) == X-c-1 == X+(-c-1) if (Op0I->getOpcode() == Instruction::Sub && RHS->isAllOnesValue()) if (Constant *Op0I0C = dyn_cast<Constant>(Op0I->getOperand(0))) { - Constant *NegOp0I0C = ConstantExpr::getNeg(Op0I0C); - Constant *ConstantRHS = ConstantExpr::getSub(NegOp0I0C, - ConstantInt::get(I.getType(), 1)); + Constant *NegOp0I0C = Context->getConstantExprNeg(Op0I0C); + Constant *ConstantRHS = Context->getConstantExprSub(NegOp0I0C, + Context->getConstantInt(I.getType(), 1)); return BinaryOperator::CreateAdd(Op0I->getOperand(1), ConstantRHS); } @@ -5046,26 +5088,27 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { if (Op0I->getOpcode() == Instruction::Add) { // ~(X-c) --> (-c-1)-X if (RHS->isAllOnesValue()) { - Constant *NegOp0CI = ConstantExpr::getNeg(Op0CI); + Constant *NegOp0CI = Context->getConstantExprNeg(Op0CI); return BinaryOperator::CreateSub( - ConstantExpr::getSub(NegOp0CI, - ConstantInt::get(I.getType(), 1)), - Op0I->getOperand(0)); + Context->getConstantExprSub(NegOp0CI, + Context->getConstantInt(I.getType(), 1)), + Op0I->getOperand(0)); } else if (RHS->getValue().isSignBit()) { // (X + C) ^ signbit -> (X + C + signbit) - Constant *C = ConstantInt::get(RHS->getValue() + Op0CI->getValue()); + Constant *C = + Context->getConstantInt(RHS->getValue() + Op0CI->getValue()); return BinaryOperator::CreateAdd(Op0I->getOperand(0), C); } } else if (Op0I->getOpcode() == Instruction::Or) { // (X|C1)^C2 -> X^(C1|C2) iff X&~C1 == 0 if (MaskedValueIsZero(Op0I->getOperand(0), Op0CI->getValue())) { - Constant *NewRHS = ConstantExpr::getOr(Op0CI, RHS); + Constant *NewRHS = Context->getConstantExprOr(Op0CI, RHS); // Anything in both C1 and C2 is known to be zero, remove it from // NewRHS. - Constant *CommonBits = ConstantExpr::getAnd(Op0CI, RHS); - NewRHS = ConstantExpr::getAnd(NewRHS, - ConstantExpr::getNot(CommonBits)); + Constant *CommonBits = Context->getConstantExprAnd(Op0CI, RHS); + NewRHS = Context->getConstantExprAnd(NewRHS, + Context->getConstantExprNot(CommonBits)); AddToWorkList(Op0I); I.setOperand(0, Op0I->getOperand(0)); I.setOperand(1, NewRHS); @@ -5084,13 +5127,13 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { return NV; } - if (Value *X = dyn_castNotVal(Op0)) // ~A ^ A == -1 + if (Value *X = dyn_castNotVal(Op0, Context)) // ~A ^ A == -1 if (X == Op1) - return ReplaceInstUsesWith(I, Constant::getAllOnesValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getAllOnesValue(I.getType())); - if (Value *X = dyn_castNotVal(Op1)) // A ^ ~A == -1 + if (Value *X = dyn_castNotVal(Op1, Context)) // A ^ ~A == -1 if (X == Op0) - return ReplaceInstUsesWith(I, Constant::getAllOnesValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getAllOnesValue(I.getType())); BinaryOperator *Op1I = dyn_cast<BinaryOperator>(Op1); @@ -5201,7 +5244,7 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { // (icmp1 A, B) ^ (icmp2 A, B) --> (icmp3 A, B) if (ICmpInst *RHS = dyn_cast<ICmpInst>(I.getOperand(1))) - if (Instruction *R = AssociativeOpt(I, FoldICmpLogical(*this, RHS))) + if (Instruction *R = AssociativeOpt(I, FoldICmpLogical(*this, RHS),Context)) return R; // fold (xor (cast A), (cast B)) -> (cast (xor A, B)) @@ -5227,8 +5270,9 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { return Changed ? &I : 0; } -static ConstantInt *ExtractElement(Constant *V, Constant *Idx) { - return cast<ConstantInt>(ConstantExpr::getExtractElement(V, Idx)); +static ConstantInt *ExtractElement(Constant *V, Constant *Idx, + LLVMContext* Context) { + return cast<ConstantInt>(Context->getConstantExprExtractElement(V, Idx)); } static bool HasAddOverflow(ConstantInt *Result, @@ -5246,15 +5290,16 @@ static bool HasAddOverflow(ConstantInt *Result, /// AddWithOverflow - Compute Result = In1+In2, returning true if the result /// overflowed for this type. static bool AddWithOverflow(Constant *&Result, Constant *In1, - Constant *In2, bool IsSigned = false) { - Result = ConstantExpr::getAdd(In1, In2); + Constant *In2, LLVMContext* Context, + bool IsSigned = false) { + Result = Context->getConstantExprAdd(In1, In2); if (const VectorType *VTy = dyn_cast<VectorType>(In1->getType())) { for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i) { - Constant *Idx = ConstantInt::get(Type::Int32Ty, i); - if (HasAddOverflow(ExtractElement(Result, Idx), - ExtractElement(In1, Idx), - ExtractElement(In2, Idx), + Constant *Idx = Context->getConstantInt(Type::Int32Ty, i); + if (HasAddOverflow(ExtractElement(Result, Idx, Context), + ExtractElement(In1, Idx, Context), + ExtractElement(In2, Idx, Context), IsSigned)) return true; } @@ -5281,15 +5326,16 @@ static bool HasSubOverflow(ConstantInt *Result, /// SubWithOverflow - Compute Result = In1-In2, returning true if the result /// overflowed for this type. static bool SubWithOverflow(Constant *&Result, Constant *In1, - Constant *In2, bool IsSigned = false) { - Result = ConstantExpr::getSub(In1, In2); + Constant *In2, LLVMContext* Context, + bool IsSigned = false) { + Result = Context->getConstantExprSub(In1, In2); if (const VectorType *VTy = dyn_cast<VectorType>(In1->getType())) { for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i) { - Constant *Idx = ConstantInt::get(Type::Int32Ty, i); - if (HasSubOverflow(ExtractElement(Result, Idx), - ExtractElement(In1, Idx), - ExtractElement(In2, Idx), + Constant *Idx = Context->getConstantInt(Type::Int32Ty, i); + if (HasSubOverflow(ExtractElement(Result, Idx, Context), + ExtractElement(In1, Idx, Context), + ExtractElement(In2, Idx, Context), IsSigned)) return true; } @@ -5308,7 +5354,8 @@ static Value *EmitGEPOffset(User *GEP, Instruction &I, InstCombiner &IC) { TargetData &TD = IC.getTargetData(); gep_type_iterator GTI = gep_type_begin(GEP); const Type *IntPtrTy = TD.getIntPtrType(); - Value *Result = Constant::getNullValue(IntPtrTy); + LLVMContext* Context = IC.getContext(); + Value *Result = Context->getNullValue(IntPtrTy); // Build a mask for high order bits. unsigned IntPtrWidth = TD.getPointerSizeInBits(); @@ -5326,20 +5373,22 @@ static Value *EmitGEPOffset(User *GEP, Instruction &I, InstCombiner &IC) { Size = TD.getStructLayout(STy)->getElementOffset(OpC->getZExtValue()); if (ConstantInt *RC = dyn_cast<ConstantInt>(Result)) - Result = ConstantInt::get(RC->getValue() + APInt(IntPtrWidth, Size)); + Result = + Context->getConstantInt(RC->getValue() + APInt(IntPtrWidth, Size)); else Result = IC.InsertNewInstBefore( BinaryOperator::CreateAdd(Result, - ConstantInt::get(IntPtrTy, Size), + Context->getConstantInt(IntPtrTy, Size), GEP->getName()+".offs"), I); continue; } - Constant *Scale = ConstantInt::get(IntPtrTy, Size); - Constant *OC = ConstantExpr::getIntegerCast(OpC, IntPtrTy, true /*SExt*/); - Scale = ConstantExpr::getMul(OC, Scale); + Constant *Scale = Context->getConstantInt(IntPtrTy, Size); + Constant *OC = + Context->getConstantExprIntegerCast(OpC, IntPtrTy, true /*SExt*/); + Scale = Context->getConstantExprMul(OC, Scale); if (Constant *RC = dyn_cast<Constant>(Result)) - Result = ConstantExpr::getAdd(RC, Scale); + Result = Context->getConstantExprAdd(RC, Scale); else { // Emit an add instruction. Result = IC.InsertNewInstBefore( @@ -5351,16 +5400,16 @@ static Value *EmitGEPOffset(User *GEP, Instruction &I, InstCombiner &IC) { // Convert to correct type. if (Op->getType() != IntPtrTy) { if (Constant *OpC = dyn_cast<Constant>(Op)) - Op = ConstantExpr::getIntegerCast(OpC, IntPtrTy, true); + Op = Context->getConstantExprIntegerCast(OpC, IntPtrTy, true); else Op = IC.InsertNewInstBefore(CastInst::CreateIntegerCast(Op, IntPtrTy, true, Op->getName()+".c"), I); } if (Size != 1) { - Constant *Scale = ConstantInt::get(IntPtrTy, Size); + Constant *Scale = Context->getConstantInt(IntPtrTy, Size); if (Constant *OpC = dyn_cast<Constant>(Op)) - Op = ConstantExpr::getMul(OpC, Scale); + Op = Context->getConstantExprMul(OpC, Scale); else // We'll let instcombine(mul) convert this to a shl if possible. Op = IC.InsertNewInstBefore(BinaryOperator::CreateMul(Op, Scale, GEP->getName()+".idx"), I); @@ -5368,7 +5417,7 @@ static Value *EmitGEPOffset(User *GEP, Instruction &I, InstCombiner &IC) { // Emit an add instruction. if (isa<Constant>(Op) && isa<Constant>(Result)) - Result = ConstantExpr::getAdd(cast<Constant>(Op), + Result = Context->getConstantExprAdd(cast<Constant>(Op), cast<Constant>(Result)); else Result = IC.InsertNewInstBefore(BinaryOperator::CreateAdd(Op, Result, @@ -5479,7 +5528,7 @@ static Value *EvaluateGEPOffsetExpression(User *GEP, Instruction &I, VariableIdx = CastInst::CreateIntegerCast(VariableIdx, IntPtrTy, true /*SExt*/, VariableIdx->getNameStart(), &I); - Constant *OffsetVal = ConstantInt::get(IntPtrTy, NewOffs); + Constant *OffsetVal = IC.getContext()->getConstantInt(IntPtrTy, NewOffs); return BinaryOperator::CreateAdd(VariableIdx, OffsetVal, "offset", &I); } @@ -5506,7 +5555,7 @@ Instruction *InstCombiner::FoldGEPICmp(User *GEPLHS, Value *RHS, if (Offset == 0) Offset = EmitGEPOffset(GEPLHS, I, *this); return new ICmpInst(ICmpInst::getSignedPredicate(Cond), Offset, - Constant::getNullValue(Offset->getType())); + Context->getNullValue(Offset->getType())); } else if (User *GEPRHS = dyn_castGetElementPtr(RHS)) { // If the base pointers are different, but the indices are the same, just // compare the base pointer. @@ -5573,7 +5622,7 @@ Instruction *InstCombiner::FoldGEPICmp(User *GEPLHS, Value *RHS, if (NumDifferences == 0) // SAME GEP? return ReplaceInstUsesWith(I, // No comparison is needed here. - ConstantInt::get(Type::Int1Ty, + Context->getConstantInt(Type::Int1Ty, ICmpInst::isTrueWhenEqual(Cond))); else if (NumDifferences == 1) { @@ -5657,9 +5706,9 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, Pred = ICmpInst::ICMP_NE; break; case FCmpInst::FCMP_ORD: - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); case FCmpInst::FCMP_UNO: - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); } const IntegerType *IntTy = cast<IntegerType>(LHSI->getOperand(0)->getType()); @@ -5679,8 +5728,8 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, if (SMax.compare(RHS) == APFloat::cmpLessThan) { // smax < 13123.0 if (Pred == ICmpInst::ICMP_NE || Pred == ICmpInst::ICMP_SLT || Pred == ICmpInst::ICMP_SLE) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); } } else { // If the RHS value is > UnsignedMax, fold the comparison. This handles @@ -5691,8 +5740,8 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, if (UMax.compare(RHS) == APFloat::cmpLessThan) { // umax < 13123.0 if (Pred == ICmpInst::ICMP_NE || Pred == ICmpInst::ICMP_ULT || Pred == ICmpInst::ICMP_ULE) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); } } @@ -5704,8 +5753,8 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, if (SMin.compare(RHS) == APFloat::cmpGreaterThan) { // smin > 12312.0 if (Pred == ICmpInst::ICMP_NE || Pred == ICmpInst::ICMP_SGT || Pred == ICmpInst::ICMP_SGE) - return ReplaceInstUsesWith(I,ConstantInt::getTrue()); - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); } } @@ -5714,12 +5763,12 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, // casting the FP value to the integer value and back, checking for equality. // Don't do this for zero, because -0.0 is not fractional. Constant *RHSInt = LHSUnsigned - ? ConstantExpr::getFPToUI(RHSC, IntTy) - : ConstantExpr::getFPToSI(RHSC, IntTy); + ? Context->getConstantExprFPToUI(RHSC, IntTy) + : Context->getConstantExprFPToSI(RHSC, IntTy); if (!RHS.isZero()) { bool Equal = LHSUnsigned - ? ConstantExpr::getUIToFP(RHSInt, RHSC->getType()) == RHSC - : ConstantExpr::getSIToFP(RHSInt, RHSC->getType()) == RHSC; + ? Context->getConstantExprUIToFP(RHSInt, RHSC->getType()) == RHSC + : Context->getConstantExprSIToFP(RHSInt, RHSC->getType()) == RHSC; if (!Equal) { // If we had a comparison against a fractional value, we have to adjust // the compare predicate and sometimes the value. RHSC is rounded towards @@ -5727,14 +5776,14 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, switch (Pred) { default: assert(0 && "Unexpected integer comparison!"); case ICmpInst::ICMP_NE: // (float)int != 4.4 --> true - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); case ICmpInst::ICMP_EQ: // (float)int == 4.4 --> false - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); case ICmpInst::ICMP_ULE: // (float)int <= 4.4 --> int <= 4 // (float)int <= -4.4 --> false if (RHS.isNegative()) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); break; case ICmpInst::ICMP_SLE: // (float)int <= 4.4 --> int <= 4 @@ -5746,7 +5795,7 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, // (float)int < -4.4 --> false // (float)int < 4.4 --> int <= 4 if (RHS.isNegative()) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); Pred = ICmpInst::ICMP_ULE; break; case ICmpInst::ICMP_SLT: @@ -5759,7 +5808,7 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, // (float)int > 4.4 --> int > 4 // (float)int > -4.4 --> true if (RHS.isNegative()) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); break; case ICmpInst::ICMP_SGT: // (float)int > 4.4 --> int > 4 @@ -5771,7 +5820,7 @@ Instruction *InstCombiner::FoldFCmp_IntToFP_Cst(FCmpInst &I, // (float)int >= -4.4 --> true // (float)int >= 4.4 --> int > 4 if (!RHS.isNegative()) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); Pred = ICmpInst::ICMP_UGT; break; case ICmpInst::ICMP_SGE: @@ -5795,9 +5844,9 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { // Fold trivial predicates. if (I.getPredicate() == FCmpInst::FCMP_FALSE) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); if (I.getPredicate() == FCmpInst::FCMP_TRUE) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); // Simplify 'fcmp pred X, X' if (Op0 == Op1) { @@ -5806,11 +5855,11 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { case FCmpInst::FCMP_UEQ: // True if unordered or equal case FCmpInst::FCMP_UGE: // True if unordered, greater than, or equal case FCmpInst::FCMP_ULE: // True if unordered, less than, or equal - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); case FCmpInst::FCMP_OGT: // True if ordered and greater than case FCmpInst::FCMP_OLT: // True if ordered and less than case FCmpInst::FCMP_ONE: // True if ordered and operands are unequal - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); case FCmpInst::FCMP_UNO: // True if unordered: isnan(X) | isnan(Y) case FCmpInst::FCMP_ULT: // True if unordered or less than @@ -5818,7 +5867,7 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { case FCmpInst::FCMP_UNE: // True if unordered or not equal // Canonicalize these to be 'fcmp uno %X, 0.0'. I.setPredicate(FCmpInst::FCMP_UNO); - I.setOperand(1, Constant::getNullValue(Op0->getType())); + I.setOperand(1, Context->getNullValue(Op0->getType())); return &I; case FCmpInst::FCMP_ORD: // True if ordered (no nans) @@ -5827,13 +5876,13 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { case FCmpInst::FCMP_OLE: // True if ordered and less than or equal // Canonicalize these to be 'fcmp ord %X, 0.0'. I.setPredicate(FCmpInst::FCMP_ORD); - I.setOperand(1, Constant::getNullValue(Op0->getType())); + I.setOperand(1, Context->getNullValue(Op0->getType())); return &I; } } if (isa<UndefValue>(Op1)) // fcmp pred X, undef -> undef - return ReplaceInstUsesWith(I, UndefValue::get(Type::Int1Ty)); + return ReplaceInstUsesWith(I, Context->getUndef(Type::Int1Ty)); // Handle fcmp with constant RHS if (Constant *RHSC = dyn_cast<Constant>(Op1)) { @@ -5841,11 +5890,11 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { if (ConstantFP *CFP = dyn_cast<ConstantFP>(RHSC)) { if (CFP->getValueAPF().isNaN()) { if (FCmpInst::isOrdered(I.getPredicate())) // True if ordered and... - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); assert(FCmpInst::isUnordered(I.getPredicate()) && "Comparison must be either ordered or unordered!"); // True if unordered. - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); } } @@ -5872,14 +5921,14 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { if (LHSI->hasOneUse()) { if (Constant *C = dyn_cast<Constant>(LHSI->getOperand(1))) { // Fold the known value into the constant operand. - Op1 = ConstantExpr::getCompare(I.getPredicate(), C, RHSC); + Op1 = Context->getConstantExprCompare(I.getPredicate(), C, RHSC); // Insert a new FCmp of the other select operand. Op2 = InsertNewInstBefore(new FCmpInst(I.getPredicate(), LHSI->getOperand(2), RHSC, I.getName()), I); } else if (Constant *C = dyn_cast<Constant>(LHSI->getOperand(2))) { // Fold the known value into the constant operand. - Op2 = ConstantExpr::getCompare(I.getPredicate(), C, RHSC); + Op2 = Context->getConstantExprCompare(I.getPredicate(), C, RHSC); // Insert a new FCmp of the other select operand. Op1 = InsertNewInstBefore(new FCmpInst(I.getPredicate(), LHSI->getOperand(1), RHSC, @@ -5903,11 +5952,11 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { // icmp X, X if (Op0 == Op1) - return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, + return ReplaceInstUsesWith(I, Context->getConstantInt(Type::Int1Ty, I.isTrueWhenEqual())); if (isa<UndefValue>(Op1)) // X icmp undef -> undef - return ReplaceInstUsesWith(I, UndefValue::get(Type::Int1Ty)); + return ReplaceInstUsesWith(I, Context->getUndef(Type::Int1Ty)); // icmp <global/alloca*/null>, <global/alloca*/null> - Global/Stack value // addresses never equal each other! We already know that Op0 != Op1. @@ -5915,7 +5964,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { isa<ConstantPointerNull>(Op0)) && (isa<GlobalValue>(Op1) || isa<AllocaInst>(Op1) || isa<ConstantPointerNull>(Op1))) - return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, + return ReplaceInstUsesWith(I, Context->getConstantInt(Type::Int1Ty, !I.isTrueWhenEqual())); // icmp's with boolean values can always be turned into bitwise operations @@ -5991,20 +6040,20 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { default: break; case ICmpInst::ICMP_ULE: if (CI->isMaxValue(false)) // A <=u MAX -> TRUE - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); - return new ICmpInst(ICmpInst::ICMP_ULT, Op0, AddOne(CI)); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return new ICmpInst(ICmpInst::ICMP_ULT, Op0, AddOne(CI, Context)); case ICmpInst::ICMP_SLE: if (CI->isMaxValue(true)) // A <=s MAX -> TRUE - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); - return new ICmpInst(ICmpInst::ICMP_SLT, Op0, AddOne(CI)); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return new ICmpInst(ICmpInst::ICMP_SLT, Op0, AddOne(CI, Context)); case ICmpInst::ICMP_UGE: if (CI->isMinValue(false)) // A >=u MIN -> TRUE - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); - return new ICmpInst( ICmpInst::ICMP_UGT, Op0, SubOne(CI)); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return new ICmpInst( ICmpInst::ICMP_UGT, Op0, SubOne(CI, Context)); case ICmpInst::ICMP_SGE: if (CI->isMinValue(true)) // A >=s MIN -> TRUE - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); - return new ICmpInst(ICmpInst::ICMP_SGT, Op0, SubOne(CI)); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); + return new ICmpInst(ICmpInst::ICMP_SGT, Op0, SubOne(CI, Context)); } // If this comparison is a normal comparison, it demands all @@ -6050,9 +6099,11 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { // figured out that the LHS is a constant. Just constant fold this now so // that code below can assume that Min != Max. if (!isa<Constant>(Op0) && Op0Min == Op0Max) - return new ICmpInst(I.getPredicate(), ConstantInt::get(Op0Min), Op1); + return new ICmpInst(I.getPredicate(), + Context->getConstantInt(Op0Min), Op1); if (!isa<Constant>(Op1) && Op1Min == Op1Max) - return new ICmpInst(I.getPredicate(), Op0, ConstantInt::get(Op1Min)); + return new ICmpInst(I.getPredicate(), Op0, + Context->getConstantInt(Op1Min)); // Based on the range information we know about the LHS, see if we can // simplify this comparison. For example, (x&4) < 8 is always true. @@ -6060,99 +6111,99 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { default: assert(0 && "Unknown icmp opcode!"); case ICmpInst::ICMP_EQ: if (Op0Max.ult(Op1Min) || Op0Min.ugt(Op1Max)) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); break; case ICmpInst::ICMP_NE: if (Op0Max.ult(Op1Min) || Op0Min.ugt(Op1Max)) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); break; case ICmpInst::ICMP_ULT: if (Op0Max.ult(Op1Min)) // A <u B -> true if max(A) < min(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Min.uge(Op1Max)) // A <u B -> false if min(A) >= max(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); if (Op1Min == Op0Max) // A <u B -> A != B if max(A) == min(B) return new ICmpInst(ICmpInst::ICMP_NE, Op0, Op1); if (ConstantInt *CI = dyn_cast<ConstantInt>(Op1)) { if (Op1Max == Op0Min+1) // A <u C -> A == C-1 if min(A)+1 == C - return new ICmpInst(ICmpInst::ICMP_EQ, Op0, SubOne(CI)); + return new ICmpInst(ICmpInst::ICMP_EQ, Op0, SubOne(CI, Context)); // (x <u 2147483648) -> (x >s -1) -> true if sign bit clear if (CI->isMinValue(true)) return new ICmpInst(ICmpInst::ICMP_SGT, Op0, - ConstantInt::getAllOnesValue(Op0->getType())); + Context->getConstantIntAllOnesValue(Op0->getType())); } break; case ICmpInst::ICMP_UGT: if (Op0Min.ugt(Op1Max)) // A >u B -> true if min(A) > max(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Max.ule(Op1Min)) // A >u B -> false if max(A) <= max(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); if (Op1Max == Op0Min) // A >u B -> A != B if min(A) == max(B) return new ICmpInst(ICmpInst::ICMP_NE, Op0, Op1); if (ConstantInt *CI = dyn_cast<ConstantInt>(Op1)) { if (Op1Min == Op0Max-1) // A >u C -> A == C+1 if max(a)-1 == C - return new ICmpInst(ICmpInst::ICMP_EQ, Op0, AddOne(CI)); + return new ICmpInst(ICmpInst::ICMP_EQ, Op0, AddOne(CI, Context)); // (x >u 2147483647) -> (x <s 0) -> true if sign bit set if (CI->isMaxValue(true)) return new ICmpInst(ICmpInst::ICMP_SLT, Op0, - ConstantInt::getNullValue(Op0->getType())); + Context->getNullValue(Op0->getType())); } break; case ICmpInst::ICMP_SLT: if (Op0Max.slt(Op1Min)) // A <s B -> true if max(A) < min(C) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Min.sge(Op1Max)) // A <s B -> false if min(A) >= max(C) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); if (Op1Min == Op0Max) // A <s B -> A != B if max(A) == min(B) return new ICmpInst(ICmpInst::ICMP_NE, Op0, Op1); if (ConstantInt *CI = dyn_cast<ConstantInt>(Op1)) { if (Op1Max == Op0Min+1) // A <s C -> A == C-1 if min(A)+1 == C - return new ICmpInst(ICmpInst::ICMP_EQ, Op0, SubOne(CI)); + return new ICmpInst(ICmpInst::ICMP_EQ, Op0, SubOne(CI, Context)); } break; case ICmpInst::ICMP_SGT: if (Op0Min.sgt(Op1Max)) // A >s B -> true if min(A) > max(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Max.sle(Op1Min)) // A >s B -> false if max(A) <= min(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); if (Op1Max == Op0Min) // A >s B -> A != B if min(A) == max(B) return new ICmpInst(ICmpInst::ICMP_NE, Op0, Op1); if (ConstantInt *CI = dyn_cast<ConstantInt>(Op1)) { if (Op1Min == Op0Max-1) // A >s C -> A == C+1 if max(A)-1 == C - return new ICmpInst(ICmpInst::ICMP_EQ, Op0, AddOne(CI)); + return new ICmpInst(ICmpInst::ICMP_EQ, Op0, AddOne(CI, Context)); } break; case ICmpInst::ICMP_SGE: assert(!isa<ConstantInt>(Op1) && "ICMP_SGE with ConstantInt not folded!"); if (Op0Min.sge(Op1Max)) // A >=s B -> true if min(A) >= max(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Max.slt(Op1Min)) // A >=s B -> false if max(A) < min(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); break; case ICmpInst::ICMP_SLE: assert(!isa<ConstantInt>(Op1) && "ICMP_SLE with ConstantInt not folded!"); if (Op0Max.sle(Op1Min)) // A <=s B -> true if max(A) <= min(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Min.sgt(Op1Max)) // A <=s B -> false if min(A) > max(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); break; case ICmpInst::ICMP_UGE: assert(!isa<ConstantInt>(Op1) && "ICMP_UGE with ConstantInt not folded!"); if (Op0Min.uge(Op1Max)) // A >=u B -> true if min(A) >= max(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Max.ult(Op1Min)) // A >=u B -> false if max(A) < min(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); break; case ICmpInst::ICMP_ULE: assert(!isa<ConstantInt>(Op1) && "ICMP_ULE with ConstantInt not folded!"); if (Op0Max.ule(Op1Min)) // A <=u B -> true if max(A) <= min(B) - return ReplaceInstUsesWith(I, ConstantInt::getTrue()); + return ReplaceInstUsesWith(I, Context->getConstantIntTrue()); if (Op0Min.ugt(Op1Max)) // A <=u B -> false if min(A) > max(B) - return ReplaceInstUsesWith(I, ConstantInt::getFalse()); + return ReplaceInstUsesWith(I, Context->getConstantIntFalse()); break; } @@ -6204,7 +6255,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { } if (isAllZeros) return new ICmpInst(I.getPredicate(), LHSI->getOperand(0), - Constant::getNullValue(LHSI->getOperand(0)->getType())); + Context->getNullValue(LHSI->getOperand(0)->getType())); } break; @@ -6224,14 +6275,14 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { if (LHSI->hasOneUse()) { if (Constant *C = dyn_cast<Constant>(LHSI->getOperand(1))) { // Fold the known value into the constant operand. - Op1 = ConstantExpr::getICmp(I.getPredicate(), C, RHSC); + Op1 = Context->getConstantExprICmp(I.getPredicate(), C, RHSC); // Insert a new ICmp of the other select operand. Op2 = InsertNewInstBefore(new ICmpInst(I.getPredicate(), LHSI->getOperand(2), RHSC, I.getName()), I); } else if (Constant *C = dyn_cast<Constant>(LHSI->getOperand(2))) { // Fold the known value into the constant operand. - Op2 = ConstantExpr::getICmp(I.getPredicate(), C, RHSC); + Op2 = Context->getConstantExprICmp(I.getPredicate(), C, RHSC); // Insert a new ICmp of the other select operand. Op1 = InsertNewInstBefore(new ICmpInst(I.getPredicate(), LHSI->getOperand(1), RHSC, @@ -6248,7 +6299,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { // can assume it is successful and remove the malloc. if (LHSI->hasOneUse() && isa<ConstantPointerNull>(RHSC)) { AddToWorkList(LHSI); - return ReplaceInstUsesWith(I, ConstantInt::get(Type::Int1Ty, + return ReplaceInstUsesWith(I, Context->getConstantInt(Type::Int1Ty, !I.isTrueWhenEqual())); } break; @@ -6282,7 +6333,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { // If Op1 is a constant, we can fold the cast into the constant. if (Op0->getType() != Op1->getType()) { if (Constant *Op1C = dyn_cast<Constant>(Op1)) { - Op1 = ConstantExpr::getBitCast(Op1C, Op0->getType()); + Op1 = Context->getConstantExprBitCast(Op1C, Op0->getType()); } else { // Otherwise, cast the RHS right before the icmp Op1 = InsertBitCastBefore(Op1, Op0->getType(), I); @@ -6346,7 +6397,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { // Mask = -1 >> count-trailing-zeros(Cst). if (!CI->isZero() && !CI->isOne()) { const APInt &AP = CI->getValue(); - ConstantInt *Mask = ConstantInt::get( + ConstantInt *Mask = Context->getConstantInt( APInt::getLowBitsSet(AP.getBitWidth(), AP.getBitWidth() - AP.countTrailingZeros())); @@ -6384,7 +6435,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { if (A == Op1 || B == Op1) { // (A^B) == A -> B == 0 Value *OtherVal = A == Op1 ? B : A; return new ICmpInst(I.getPredicate(), OtherVal, - Constant::getNullValue(A->getType())); + Context->getNullValue(A->getType())); } if (match(Op1, m_Xor(m_Value(C), m_Value(D)))) { @@ -6392,7 +6443,8 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { ConstantInt *C1, *C2; if (match(B, m_ConstantInt(C1)) && match(D, m_ConstantInt(C2)) && Op1->hasOneUse()) { - Constant *NC = ConstantInt::get(C1->getValue() ^ C2->getValue()); + Constant *NC = + Context->getConstantInt(C1->getValue() ^ C2->getValue()); Instruction *Xor = BinaryOperator::CreateXor(C, NC, "tmp"); return new ICmpInst(I.getPredicate(), A, InsertNewInstBefore(Xor, I)); @@ -6411,18 +6463,18 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { // A == (A^B) -> B == 0 Value *OtherVal = A == Op0 ? B : A; return new ICmpInst(I.getPredicate(), OtherVal, - Constant::getNullValue(A->getType())); + Context->getNullValue(A->getType())); } // (A-B) == A -> B == 0 if (match(Op0, m_Sub(m_Specific(Op1), m_Value(B)))) return new ICmpInst(I.getPredicate(), B, - Constant::getNullValue(B->getType())); + Context->getNullValue(B->getType())); // A == (A-B) -> B == 0 if (match(Op1, m_Sub(m_Specific(Op0), m_Value(B)))) return new ICmpInst(I.getPredicate(), B, - Constant::getNullValue(B->getType())); + Context->getNullValue(B->getType())); // (X&Z) == (Y&Z) -> (X^Y) & Z == 0 if (Op0->hasOneUse() && Op1->hasOneUse() && @@ -6444,7 +6496,7 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { Op1 = InsertNewInstBefore(BinaryOperator::CreateXor(X, Y, "tmp"), I); Op1 = InsertNewInstBefore(BinaryOperator::CreateAnd(Op1, Z, "tmp"), I); I.setOperand(0, Op1); - I.setOperand(1, Constant::getNullValue(Op1->getType())); + I.setOperand(1, Context->getNullValue(Op1->getType())); return &I; } } @@ -6483,13 +6535,13 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, // of form X/C1=C2. We solve for X by multiplying C1 (DivRHS) and // C2 (CI). By solving for X we can turn this into a range check // instead of computing a divide. - Constant *Prod = ConstantExpr::getMul(CmpRHS, DivRHS); + Constant *Prod = Context->getConstantExprMul(CmpRHS, DivRHS); // Determine if the product overflows by seeing if the product is // not equal to the divide. Make sure we do the same kind of divide // as in the LHS instruction that we're folding. - bool ProdOV = (DivIsSigned ? ConstantExpr::getSDiv(Prod, DivRHS) : - ConstantExpr::getUDiv(Prod, DivRHS)) != CmpRHS; + bool ProdOV = (DivIsSigned ? Context->getConstantExprSDiv(Prod, DivRHS) : + Context->getConstantExprUDiv(Prod, DivRHS)) != CmpRHS; // Get the ICmp opcode ICmpInst::Predicate Pred = ICI.getPredicate(); @@ -6509,47 +6561,50 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, LoBound = Prod; HiOverflow = LoOverflow = ProdOV; if (!HiOverflow) - HiOverflow = AddWithOverflow(HiBound, LoBound, DivRHS, false); + HiOverflow = AddWithOverflow(HiBound, LoBound, DivRHS, Context, false); } else if (DivRHS->getValue().isStrictlyPositive()) { // Divisor is > 0. if (CmpRHSV == 0) { // (X / pos) op 0 // Can't overflow. e.g. X/2 op 0 --> [-1, 2) - LoBound = cast<ConstantInt>(ConstantExpr::getNeg(SubOne(DivRHS))); + LoBound = cast<ConstantInt>(Context->getConstantExprNeg(SubOne(DivRHS, + Context))); HiBound = DivRHS; } else if (CmpRHSV.isStrictlyPositive()) { // (X / pos) op pos LoBound = Prod; // e.g. X/5 op 3 --> [15, 20) HiOverflow = LoOverflow = ProdOV; if (!HiOverflow) - HiOverflow = AddWithOverflow(HiBound, Prod, DivRHS, true); + HiOverflow = AddWithOverflow(HiBound, Prod, DivRHS, Context, true); } else { // (X / pos) op neg // e.g. X/5 op -3 --> [-15-4, -15+1) --> [-19, -14) - HiBound = AddOne(Prod); + HiBound = AddOne(Prod, Context); LoOverflow = HiOverflow = ProdOV ? -1 : 0; if (!LoOverflow) { - ConstantInt* DivNeg = cast<ConstantInt>(ConstantExpr::getNeg(DivRHS)); - LoOverflow = AddWithOverflow(LoBound, HiBound, DivNeg, + ConstantInt* DivNeg = + cast<ConstantInt>(Context->getConstantExprNeg(DivRHS)); + LoOverflow = AddWithOverflow(LoBound, HiBound, DivNeg, Context, true) ? -1 : 0; } } } else if (DivRHS->getValue().isNegative()) { // Divisor is < 0. if (CmpRHSV == 0) { // (X / neg) op 0 // e.g. X/-5 op 0 --> [-4, 5) - LoBound = AddOne(DivRHS); - HiBound = cast<ConstantInt>(ConstantExpr::getNeg(DivRHS)); + LoBound = AddOne(DivRHS, Context); + HiBound = cast<ConstantInt>(Context->getConstantExprNeg(DivRHS)); if (HiBound == DivRHS) { // -INTMIN = INTMIN HiOverflow = 1; // [INTMIN+1, overflow) HiBound = 0; // e.g. X/INTMIN = 0 --> X > INTMIN } } else if (CmpRHSV.isStrictlyPositive()) { // (X / neg) op pos // e.g. X/-5 op 3 --> [-19, -14) - HiBound = AddOne(Prod); + HiBound = AddOne(Prod, Context); HiOverflow = LoOverflow = ProdOV ? -1 : 0; if (!LoOverflow) - LoOverflow = AddWithOverflow(LoBound, HiBound, DivRHS, true) ? -1 : 0; + LoOverflow = AddWithOverflow(LoBound, HiBound, + DivRHS, Context, true) ? -1 : 0; } else { // (X / neg) op neg LoBound = Prod; // e.g. X/-5 op -3 --> [15, 20) LoOverflow = HiOverflow = ProdOV; if (!HiOverflow) - HiOverflow = SubWithOverflow(HiBound, Prod, DivRHS, true); + HiOverflow = SubWithOverflow(HiBound, Prod, DivRHS, Context, true); } // Dividing by a negative swaps the condition. LT <-> GT @@ -6561,7 +6616,7 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, default: assert(0 && "Unhandled icmp opcode!"); case ICmpInst::ICMP_EQ: if (LoOverflow && HiOverflow) - return ReplaceInstUsesWith(ICI, ConstantInt::getFalse()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntFalse()); else if (HiOverflow) return new ICmpInst(DivIsSigned ? ICmpInst::ICMP_SGE : ICmpInst::ICMP_UGE, X, LoBound); @@ -6572,7 +6627,7 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, return InsertRangeTest(X, LoBound, HiBound, DivIsSigned, true, ICI); case ICmpInst::ICMP_NE: if (LoOverflow && HiOverflow) - return ReplaceInstUsesWith(ICI, ConstantInt::getTrue()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntTrue()); else if (HiOverflow) return new ICmpInst(DivIsSigned ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT, X, LoBound); @@ -6584,16 +6639,16 @@ Instruction *InstCombiner::FoldICmpDivCst(ICmpInst &ICI, BinaryOperator *DivI, case ICmpInst::ICMP_ULT: case ICmpInst::ICMP_SLT: if (LoOverflow == +1) // Low bound is greater than input range. - return ReplaceInstUsesWith(ICI, ConstantInt::getTrue()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntTrue()); if (LoOverflow == -1) // Low bound is less than input range. - return ReplaceInstUsesWith(ICI, ConstantInt::getFalse()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntFalse()); return new ICmpInst(Pred, X, LoBound); case ICmpInst::ICMP_UGT: case ICmpInst::ICMP_SGT: if (HiOverflow == +1) // High bound greater than input range. - return ReplaceInstUsesWith(ICI, ConstantInt::getFalse()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntFalse()); else if (HiOverflow == -1) // High bound less than input range. - return ReplaceInstUsesWith(ICI, ConstantInt::getTrue()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntTrue()); if (Pred == ICmpInst::ICMP_UGT) return new ICmpInst(ICmpInst::ICMP_UGE, X, HiBound); else @@ -6627,7 +6682,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, NewRHS.zext(SrcBits); NewRHS |= KnownOne; return new ICmpInst(ICI.getPredicate(), LHSI->getOperand(0), - ConstantInt::get(NewRHS)); + Context->getConstantInt(NewRHS)); } } break; @@ -6655,9 +6710,11 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, isTrueIfPositive ^= true; if (isTrueIfPositive) - return new ICmpInst(ICmpInst::ICMP_SGT, CompareVal, SubOne(RHS)); + return new ICmpInst(ICmpInst::ICMP_SGT, CompareVal, + SubOne(RHS, Context)); else - return new ICmpInst(ICmpInst::ICMP_SLT, CompareVal, AddOne(RHS)); + return new ICmpInst(ICmpInst::ICMP_SLT, CompareVal, + AddOne(RHS, Context)); } if (LHSI->hasOneUse()) { @@ -6668,7 +6725,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, ? ICI.getUnsignedPredicate() : ICI.getSignedPredicate(); return new ICmpInst(Pred, LHSI->getOperand(0), - ConstantInt::get(RHSV ^ SignBit)); + Context->getConstantInt(RHSV ^ SignBit)); } // (icmp u/s (xor A ~SignBit), C) -> (icmp s/u (xor C ~SignBit), A) @@ -6679,7 +6736,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, : ICI.getSignedPredicate(); Pred = ICI.getSwappedPredicate(Pred); return new ICmpInst(Pred, LHSI->getOperand(0), - ConstantInt::get(RHSV ^ NotSignBit)); + Context->getConstantInt(RHSV ^ NotSignBit)); } } } @@ -6708,10 +6765,10 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, NewCI.zext(BitWidth); Instruction *NewAnd = BinaryOperator::CreateAnd(Cast->getOperand(0), - ConstantInt::get(NewCST),LHSI->getName()); + Context->getConstantInt(NewCST),LHSI->getName()); InsertNewInstBefore(NewAnd, ICI); return new ICmpInst(ICI.getPredicate(), NewAnd, - ConstantInt::get(NewCI)); + Context->getConstantInt(NewCI)); } } @@ -6748,27 +6805,28 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, if (CanFold) { Constant *NewCst; if (Shift->getOpcode() == Instruction::Shl) - NewCst = ConstantExpr::getLShr(RHS, ShAmt); + NewCst = Context->getConstantExprLShr(RHS, ShAmt); else - NewCst = ConstantExpr::getShl(RHS, ShAmt); + NewCst = Context->getConstantExprShl(RHS, ShAmt); // Check to see if we are shifting out any of the bits being // compared. - if (ConstantExpr::get(Shift->getOpcode(), NewCst, ShAmt) != RHS) { + if (Context->getConstantExpr(Shift->getOpcode(), + NewCst, ShAmt) != RHS) { // If we shifted bits out, the fold is not going to work out. // As a special case, check to see if this means that the // result is always true or false now. if (ICI.getPredicate() == ICmpInst::ICMP_EQ) - return ReplaceInstUsesWith(ICI, ConstantInt::getFalse()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntFalse()); if (ICI.getPredicate() == ICmpInst::ICMP_NE) - return ReplaceInstUsesWith(ICI, ConstantInt::getTrue()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntTrue()); } else { ICI.setOperand(1, NewCst); Constant *NewAndCST; if (Shift->getOpcode() == Instruction::Shl) - NewAndCST = ConstantExpr::getLShr(AndCST, ShAmt); + NewAndCST = Context->getConstantExprLShr(AndCST, ShAmt); else - NewAndCST = ConstantExpr::getShl(AndCST, ShAmt); + NewAndCST = Context->getConstantExprShl(AndCST, ShAmt); LHSI->setOperand(1, NewAndCST); LHSI->setOperand(0, Shift->getOperand(0)); AddToWorkList(Shift); // Shift is dead. @@ -6823,10 +6881,11 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, // If we are comparing against bits always shifted out, the // comparison cannot succeed. Constant *Comp = - ConstantExpr::getShl(ConstantExpr::getLShr(RHS, ShAmt), ShAmt); + Context->getConstantExprShl(Context->getConstantExprLShr(RHS, ShAmt), + ShAmt); if (Comp != RHS) {// Comparing against a bit that we know is zero. bool IsICMP_NE = ICI.getPredicate() == ICmpInst::ICMP_NE; - Constant *Cst = ConstantInt::get(Type::Int1Ty, IsICMP_NE); + Constant *Cst = Context->getConstantInt(Type::Int1Ty, IsICMP_NE); return ReplaceInstUsesWith(ICI, Cst); } @@ -6834,14 +6893,15 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, // Otherwise strength reduce the shift into an and. uint32_t ShAmtVal = (uint32_t)ShAmt->getLimitedValue(TypeBits); Constant *Mask = - ConstantInt::get(APInt::getLowBitsSet(TypeBits, TypeBits-ShAmtVal)); + Context->getConstantInt(APInt::getLowBitsSet(TypeBits, + TypeBits-ShAmtVal)); Instruction *AndI = BinaryOperator::CreateAnd(LHSI->getOperand(0), Mask, LHSI->getName()+".mask"); Value *And = InsertNewInstBefore(AndI, ICI); return new ICmpInst(ICI.getPredicate(), And, - ConstantInt::get(RHSV.lshr(ShAmtVal))); + Context->getConstantInt(RHSV.lshr(ShAmtVal))); } } @@ -6850,7 +6910,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, if (LHSI->hasOneUse() && isSignBitCheck(ICI.getPredicate(), RHS, TrueIfSigned)) { // (X << 31) <s 0 --> (X&1) != 0 - Constant *Mask = ConstantInt::get(APInt(TypeBits, 1) << + Constant *Mask = Context->getConstantInt(APInt(TypeBits, 1) << (TypeBits-ShAmt->getZExtValue()-1)); Instruction *AndI = BinaryOperator::CreateAnd(LHSI->getOperand(0), @@ -6858,7 +6918,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, Value *And = InsertNewInstBefore(AndI, ICI); return new ICmpInst(TrueIfSigned ? ICmpInst::ICMP_NE : ICmpInst::ICMP_EQ, - And, Constant::getNullValue(And->getType())); + And, Context->getNullValue(And->getType())); } break; } @@ -6888,7 +6948,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, if (Comp != RHSV) { // Comparing against a bit that we know is zero. bool IsICMP_NE = ICI.getPredicate() == ICmpInst::ICMP_NE; - Constant *Cst = ConstantInt::get(Type::Int1Ty, IsICMP_NE); + Constant *Cst = Context->getConstantInt(Type::Int1Ty, IsICMP_NE); return ReplaceInstUsesWith(ICI, Cst); } @@ -6899,20 +6959,20 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, MaskedValueIsZero(LHSI->getOperand(0), APInt::getLowBitsSet(Comp.getBitWidth(), ShAmtVal))) { return new ICmpInst(ICI.getPredicate(), LHSI->getOperand(0), - ConstantExpr::getShl(RHS, ShAmt)); + Context->getConstantExprShl(RHS, ShAmt)); } if (LHSI->hasOneUse()) { // Otherwise strength reduce the shift into an and. APInt Val(APInt::getHighBitsSet(TypeBits, TypeBits - ShAmtVal)); - Constant *Mask = ConstantInt::get(Val); + Constant *Mask = Context->getConstantInt(Val); Instruction *AndI = BinaryOperator::CreateAnd(LHSI->getOperand(0), Mask, LHSI->getName()+".mask"); Value *And = InsertNewInstBefore(AndI, ICI); return new ICmpInst(ICI.getPredicate(), And, - ConstantExpr::getShl(RHS, ShAmt)); + Context->getConstantExprShl(RHS, ShAmt)); } break; } @@ -6945,18 +7005,18 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, if (ICI.isSignedPredicate()) { if (CR.getLower().isSignBit()) { return new ICmpInst(ICmpInst::ICMP_SLT, LHSI->getOperand(0), - ConstantInt::get(CR.getUpper())); + Context->getConstantInt(CR.getUpper())); } else if (CR.getUpper().isSignBit()) { return new ICmpInst(ICmpInst::ICMP_SGE, LHSI->getOperand(0), - ConstantInt::get(CR.getLower())); + Context->getConstantInt(CR.getLower())); } } else { if (CR.getLower().isMinValue()) { return new ICmpInst(ICmpInst::ICMP_ULT, LHSI->getOperand(0), - ConstantInt::get(CR.getUpper())); + Context->getConstantInt(CR.getUpper())); } else if (CR.getUpper().isMinValue()) { return new ICmpInst(ICmpInst::ICMP_UGE, LHSI->getOperand(0), - ConstantInt::get(CR.getLower())); + Context->getConstantInt(CR.getLower())); } } } @@ -6981,7 +7041,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, BO->getName()); InsertNewInstBefore(NewRem, ICI); return new ICmpInst(ICI.getPredicate(), NewRem, - Constant::getNullValue(BO->getType())); + Context->getNullValue(BO->getType())); } } break; @@ -6990,15 +7050,15 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, if (ConstantInt *BOp1C = dyn_cast<ConstantInt>(BO->getOperand(1))) { if (BO->hasOneUse()) return new ICmpInst(ICI.getPredicate(), BO->getOperand(0), - ConstantExpr::getSub(RHS, BOp1C)); + Context->getConstantExprSub(RHS, BOp1C)); } else if (RHSV == 0) { // Replace ((add A, B) != 0) with (A != -B) if A or B is // efficiently invertible, or if the add has just this one use. Value *BOp0 = BO->getOperand(0), *BOp1 = BO->getOperand(1); - if (Value *NegVal = dyn_castNegVal(BOp1)) + if (Value *NegVal = dyn_castNegVal(BOp1, Context)) return new ICmpInst(ICI.getPredicate(), BOp0, NegVal); - else if (Value *NegVal = dyn_castNegVal(BOp0)) + else if (Value *NegVal = dyn_castNegVal(BOp0, Context)) return new ICmpInst(ICI.getPredicate(), NegVal, BOp1); else if (BO->hasOneUse()) { Instruction *Neg = BinaryOperator::CreateNeg(BOp1); @@ -7013,7 +7073,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, // the explicit xor. if (Constant *BOC = dyn_cast<Constant>(BO->getOperand(1))) return new ICmpInst(ICI.getPredicate(), BO->getOperand(0), - ConstantExpr::getXor(RHS, BOC)); + Context->getConstantExprXor(RHS, BOC)); // FALLTHROUGH case Instruction::Sub: @@ -7027,10 +7087,11 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, // If bits are being or'd in that are not present in the constant we // are comparing against, then the comparison could never succeed! if (Constant *BOC = dyn_cast<Constant>(BO->getOperand(1))) { - Constant *NotCI = ConstantExpr::getNot(RHS); - if (!ConstantExpr::getAnd(BOC, NotCI)->isNullValue()) - return ReplaceInstUsesWith(ICI, ConstantInt::get(Type::Int1Ty, - isICMP_NE)); + Constant *NotCI = Context->getConstantExprNot(RHS); + if (!Context->getConstantExprAnd(BOC, NotCI)->isNullValue()) + return ReplaceInstUsesWith(ICI, + Context->getConstantInt(Type::Int1Ty, + isICMP_NE)); } break; @@ -7039,19 +7100,20 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, // If bits are being compared against that are and'd out, then the // comparison can never succeed! if ((RHSV & ~BOC->getValue()) != 0) - return ReplaceInstUsesWith(ICI, ConstantInt::get(Type::Int1Ty, - isICMP_NE)); + return ReplaceInstUsesWith(ICI, + Context->getConstantInt(Type::Int1Ty, + isICMP_NE)); // If we have ((X & C) == C), turn it into ((X & C) != 0). if (RHS == BOC && RHSV.isPowerOf2()) return new ICmpInst(isICMP_NE ? ICmpInst::ICMP_EQ : ICmpInst::ICMP_NE, LHSI, - Constant::getNullValue(RHS->getType())); + Context->getNullValue(RHS->getType())); // Replace (and X, (1 << size(X)-1) != 0) with x s< 0 if (BOC->getValue().isSignBit()) { Value *X = BO->getOperand(0); - Constant *Zero = Constant::getNullValue(X->getType()); + Constant *Zero = Context->getNullValue(X->getType()); ICmpInst::Predicate pred = isICMP_NE ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_SGE; return new ICmpInst(pred, X, Zero); @@ -7060,7 +7122,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, // ((X & ~7) == 0) --> X < 8 if (RHSV == 0 && isHighOnes(BOC)) { Value *X = BO->getOperand(0); - Constant *NegX = ConstantExpr::getNeg(BOC); + Constant *NegX = Context->getConstantExprNeg(BOC); ICmpInst::Predicate pred = isICMP_NE ? ICmpInst::ICMP_UGE : ICmpInst::ICMP_ULT; return new ICmpInst(pred, X, NegX); @@ -7073,7 +7135,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI, if (II->getIntrinsicID() == Intrinsic::bswap) { AddToWorkList(II); ICI.setOperand(0, II->getOperand(1)); - ICI.setOperand(1, ConstantInt::get(RHSV.byteSwap())); + ICI.setOperand(1, Context->getConstantInt(RHSV.byteSwap())); return &ICI; } } @@ -7098,7 +7160,7 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { cast<IntegerType>(DestTy)->getBitWidth()) { Value *RHSOp = 0; if (Constant *RHSC = dyn_cast<Constant>(ICI.getOperand(1))) { - RHSOp = ConstantExpr::getIntToPtr(RHSC, SrcTy); + RHSOp = Context->getConstantExprIntToPtr(RHSC, SrcTy); } else if (PtrToIntInst *RHSC = dyn_cast<PtrToIntInst>(ICI.getOperand(1))) { RHSOp = RHSC->getOperand(0); // If the pointer types don't match, insert a bitcast. @@ -7150,8 +7212,9 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { // Compute the constant that would happen if we truncated to SrcTy then // reextended to DestTy. - Constant *Res1 = ConstantExpr::getTrunc(CI, SrcTy); - Constant *Res2 = ConstantExpr::getCast(LHSCI->getOpcode(), Res1, DestTy); + Constant *Res1 = Context->getConstantExprTrunc(CI, SrcTy); + Constant *Res2 = Context->getConstantExprCast(LHSCI->getOpcode(), + Res1, DestTy); // If the re-extended constant didn't change... if (Res2 == CI) { @@ -7176,9 +7239,9 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { // First, handle some easy cases. We know the result cannot be equal at this // point so handle the ICI.isEquality() cases if (ICI.getPredicate() == ICmpInst::ICMP_EQ) - return ReplaceInstUsesWith(ICI, ConstantInt::getFalse()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntFalse()); if (ICI.getPredicate() == ICmpInst::ICMP_NE) - return ReplaceInstUsesWith(ICI, ConstantInt::getTrue()); + return ReplaceInstUsesWith(ICI, Context->getConstantIntTrue()); // Evaluate the comparison for LT (we invert for GT below). LE and GE cases // should have been folded away previously and not enter in here. @@ -7186,20 +7249,20 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { if (isSignedCmp) { // We're performing a signed comparison. if (cast<ConstantInt>(CI)->getValue().isNegative()) - Result = ConstantInt::getFalse(); // X < (small) --> false + Result = Context->getConstantIntFalse(); // X < (small) --> false else - Result = ConstantInt::getTrue(); // X < (large) --> true + Result = Context->getConstantIntTrue(); // X < (large) --> true } else { // We're performing an unsigned comparison. if (isSignedExt) { // We're performing an unsigned comp with a sign extended value. // This is true if the input is >= 0. [aka >s -1] - Constant *NegOne = ConstantInt::getAllOnesValue(SrcTy); + Constant *NegOne = Context->getConstantIntAllOnesValue(SrcTy); Result = InsertNewInstBefore(new ICmpInst(ICmpInst::ICMP_SGT, LHSCIOp, NegOne, ICI.getName()), ICI); } else { // Unsigned extend & unsigned compare -> always true. - Result = ConstantInt::getTrue(); + Result = Context->getConstantIntTrue(); } } @@ -7212,7 +7275,7 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) { ICI.getPredicate()==ICmpInst::ICMP_SGT) && "ICmp should be folded!"); if (Constant *CI = dyn_cast<Constant>(Result)) - return ReplaceInstUsesWith(ICI, ConstantExpr::getNot(CI)); + return ReplaceInstUsesWith(ICI, Context->getConstantExprNot(CI)); return BinaryOperator::CreateNot(Result); } @@ -7254,21 +7317,21 @@ Instruction *InstCombiner::commonShiftTransforms(BinaryOperator &I) { // shl X, 0 == X and shr X, 0 == X // shl 0, X == 0 and shr 0, X == 0 - if (Op1 == Constant::getNullValue(Op1->getType()) || - Op0 == Constant::getNullValue(Op0->getType())) + if (Op1 == Context->getNullValue(Op1->getType()) || + Op0 == Context->getNullValue(Op0->getType())) return ReplaceInstUsesWith(I, Op0); if (isa<UndefValue>(Op0)) { if (I.getOpcode() == Instruction::AShr) // undef >>s X -> undef return ReplaceInstUsesWith(I, Op0); else // undef << X -> 0, undef >>u X -> 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); } if (isa<UndefValue>(Op1)) { if (I.getOpcode() == Instruction::AShr) // X >>s undef -> X return ReplaceInstUsesWith(I, Op0); else // X << undef, X >>u undef -> 0 - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); } // See if we can fold away this shift. @@ -7300,9 +7363,9 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, // if (Op1->uge(TypeBits)) { if (I.getOpcode() != Instruction::AShr) - return ReplaceInstUsesWith(I, Constant::getNullValue(Op0->getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(Op0->getType())); else { - I.setOperand(1, ConstantInt::get(I.getType(), TypeBits-1)); + I.setOperand(1, Context->getConstantInt(I.getType(), TypeBits-1)); return &I; } } @@ -7312,7 +7375,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, if (BO->getOpcode() == Instruction::Mul && isLeftShift) if (Constant *BOOp = dyn_cast<Constant>(BO->getOperand(1))) return BinaryOperator::CreateMul(BO->getOperand(0), - ConstantExpr::getShl(BOOp, Op1)); + Context->getConstantExprShl(BOOp, Op1)); // Try to fold constant and into select arguments. if (SelectInst *SI = dyn_cast<SelectInst>(Op0)) @@ -7333,7 +7396,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, if (TrOp && I.isLogicalShift() && TrOp->isShift() && isa<ConstantInt>(TrOp->getOperand(1))) { // Okay, we'll do this xform. Make the shift of shift. - Constant *ShAmt = ConstantExpr::getZExt(Op1, TrOp->getType()); + Constant *ShAmt = Context->getConstantExprZExt(Op1, TrOp->getType()); Instruction *NSh = BinaryOperator::Create(I.getOpcode(), TrOp, ShAmt, I.getName()); InsertNewInstBefore(NSh, I); // (shift2 (shift1 & 0x00FF), c2) @@ -7357,8 +7420,9 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, MaskV = MaskV.lshr(Op1->getZExtValue()); } - Instruction *And = BinaryOperator::CreateAnd(NSh, ConstantInt::get(MaskV), - TI->getName()); + Instruction *And = + BinaryOperator::CreateAnd(NSh, Context->getConstantInt(MaskV), + TI->getName()); InsertNewInstBefore(And, I); // shift1 & 0x00FF // Return the value truncated to the interesting size. @@ -7390,7 +7454,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, Op0BO->getOperand(1)->getName()); InsertNewInstBefore(X, I); // (X + (Y << C)) uint32_t Op1Val = Op1->getLimitedValue(TypeBits); - return BinaryOperator::CreateAnd(X, ConstantInt::get( + return BinaryOperator::CreateAnd(X, Context->getConstantInt( APInt::getHighBitsSet(TypeBits, TypeBits-Op1Val))); } @@ -7406,7 +7470,8 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, Op0BO->getName()); InsertNewInstBefore(YS, I); // (Y << C) Instruction *XM = - BinaryOperator::CreateAnd(V1, ConstantExpr::getShl(CC, Op1), + BinaryOperator::CreateAnd(V1, + Context->getConstantExprShl(CC, Op1), V1->getName()+".mask"); InsertNewInstBefore(XM, I); // X & (CC << C) @@ -7428,7 +7493,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, Op0BO->getOperand(0)->getName()); InsertNewInstBefore(X, I); // (X + (Y << C)) uint32_t Op1Val = Op1->getLimitedValue(TypeBits); - return BinaryOperator::CreateAnd(X, ConstantInt::get( + return BinaryOperator::CreateAnd(X, Context->getConstantInt( APInt::getHighBitsSet(TypeBits, TypeBits-Op1Val))); } @@ -7444,7 +7509,8 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, Op0BO->getName()); InsertNewInstBefore(YS, I); // (Y << C) Instruction *XM = - BinaryOperator::CreateAnd(V1, ConstantExpr::getShl(CC, Op1), + BinaryOperator::CreateAnd(V1, + Context->getConstantExprShl(CC, Op1), V1->getName()+".mask"); InsertNewInstBefore(XM, I); // X & (CC << C) @@ -7486,7 +7552,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, isValid = Op0C->getValue()[TypeBits-1] == highBitSet; if (isValid) { - Constant *NewRHS = ConstantExpr::get(I.getOpcode(), Op0C, Op1); + Constant *NewRHS = Context->getConstantExpr(I.getOpcode(), Op0C, Op1); Instruction *NewShift = BinaryOperator::Create(I.getOpcode(), Op0BO->getOperand(0), Op1); @@ -7523,19 +7589,19 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, // saturates. if (AmtSum >= TypeBits) { if (I.getOpcode() != Instruction::AShr) - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); AmtSum = TypeBits-1; // Saturate to 31 for i32 ashr. } return BinaryOperator::Create(I.getOpcode(), X, - ConstantInt::get(Ty, AmtSum)); + Context->getConstantInt(Ty, AmtSum)); } else if (ShiftOp->getOpcode() == Instruction::LShr && I.getOpcode() == Instruction::AShr) { if (AmtSum >= TypeBits) - return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType())); + return ReplaceInstUsesWith(I, Context->getNullValue(I.getType())); // ((X >>u C1) >>s C2) -> (X >>u (C1+C2)) since C1 != 0. - return BinaryOperator::CreateLShr(X, ConstantInt::get(Ty, AmtSum)); + return BinaryOperator::CreateLShr(X, Context->getConstantInt(Ty, AmtSum)); } else if (ShiftOp->getOpcode() == Instruction::AShr && I.getOpcode() == Instruction::LShr) { // ((X >>s C1) >>u C2) -> ((X >>s (C1+C2)) & mask) since C1 != 0. @@ -7543,11 +7609,11 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, AmtSum = TypeBits-1; Instruction *Shift = - BinaryOperator::CreateAShr(X, ConstantInt::get(Ty, AmtSum)); + BinaryOperator::CreateAShr(X, Context->getConstantInt(Ty, AmtSum)); InsertNewInstBefore(Shift, I); APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt2)); - return BinaryOperator::CreateAnd(Shift, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(Shift, Context->getConstantInt(Mask)); } // Okay, if we get here, one shift must be left, and the other shift must be @@ -7556,12 +7622,12 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, // If we have ((X >>? C) << C), turn this into X & (-1 << C). if (I.getOpcode() == Instruction::Shl) { APInt Mask(APInt::getHighBitsSet(TypeBits, TypeBits - ShiftAmt1)); - return BinaryOperator::CreateAnd(X, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(X, Context->getConstantInt(Mask)); } // If we have ((X << C) >>u C), turn this into X & (-1 >>u C). if (I.getOpcode() == Instruction::LShr) { APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt1)); - return BinaryOperator::CreateAnd(X, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(X, Context->getConstantInt(Mask)); } // We can simplify ((X << C) >>s C) into a trunc + sext. // NOTE: we could do this for any C, but that would make 'unusual' integer @@ -7575,7 +7641,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, case 32 : case 64 : case 128: - SExtType = IntegerType::get(Ty->getBitWidth() - ShiftAmt1); + SExtType = Context->getIntegerType(Ty->getBitWidth() - ShiftAmt1); break; default: break; } @@ -7593,22 +7659,22 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, assert(ShiftOp->getOpcode() == Instruction::LShr || ShiftOp->getOpcode() == Instruction::AShr); Instruction *Shift = - BinaryOperator::CreateShl(X, ConstantInt::get(Ty, ShiftDiff)); + BinaryOperator::CreateShl(X, Context->getConstantInt(Ty, ShiftDiff)); InsertNewInstBefore(Shift, I); APInt Mask(APInt::getHighBitsSet(TypeBits, TypeBits - ShiftAmt2)); - return BinaryOperator::CreateAnd(Shift, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(Shift, Context->getConstantInt(Mask)); } // (X << C1) >>u C2 --> X >>u (C2-C1) & (-1 >> C2) if (I.getOpcode() == Instruction::LShr) { assert(ShiftOp->getOpcode() == Instruction::Shl); Instruction *Shift = - BinaryOperator::CreateLShr(X, ConstantInt::get(Ty, ShiftDiff)); + BinaryOperator::CreateLShr(X, Context->getConstantInt(Ty, ShiftDiff)); InsertNewInstBefore(Shift, I); APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt2)); - return BinaryOperator::CreateAnd(Shift, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(Shift, Context->getConstantInt(Mask)); } // We can't handle (X << C1) >>s C2, it shifts arbitrary bits in. @@ -7622,22 +7688,22 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, ShiftOp->getOpcode() == Instruction::AShr); Instruction *Shift = BinaryOperator::Create(ShiftOp->getOpcode(), X, - ConstantInt::get(Ty, ShiftDiff)); + Context->getConstantInt(Ty, ShiftDiff)); InsertNewInstBefore(Shift, I); APInt Mask(APInt::getHighBitsSet(TypeBits, TypeBits - ShiftAmt2)); - return BinaryOperator::CreateAnd(Shift, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(Shift, Context->getConstantInt(Mask)); } // (X << C1) >>u C2 --> X << (C1-C2) & (-1 >> C2) if (I.getOpcode() == Instruction::LShr) { assert(ShiftOp->getOpcode() == Instruction::Shl); Instruction *Shift = - BinaryOperator::CreateShl(X, ConstantInt::get(Ty, ShiftDiff)); + BinaryOperator::CreateShl(X, Context->getConstantInt(Ty, ShiftDiff)); InsertNewInstBefore(Shift, I); APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt2)); - return BinaryOperator::CreateAnd(Shift, ConstantInt::get(Mask)); + return BinaryOperator::CreateAnd(Shift, Context->getConstantInt(Mask)); } // We can't handle (X << C1) >>a C2, it shifts arbitrary bits in. @@ -7652,12 +7718,12 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1, /// X*Scale+Offset. /// static Value *DecomposeSimpleLinearExpr(Value *Val, unsigned &Scale, - int &Offset) { + int &Offset, LLVMContext* Context) { assert(Val->getType() == Type::Int32Ty && "Unexpected allocation size type!"); if (ConstantInt *CI = dyn_cast<ConstantInt>(Val)) { Offset = CI->getZExtValue(); Scale = 0; - return ConstantInt::get(Type::Int32Ty, 0); + return Context->getConstantInt(Type::Int32Ty, 0); } else if (BinaryOperator *I = dyn_cast<BinaryOperator>(Val)) { if (ConstantInt *RHS = dyn_cast<ConstantInt>(I->getOperand(1))) { if (I->getOpcode() == Instruction::Shl) { @@ -7675,7 +7741,8 @@ static Value *DecomposeSimpleLinearExpr(Value *Val, unsigned &Scale, // where C1 is divisible by C2. unsigned SubScale; Value *SubVal = - DecomposeSimpleLinearExpr(I->getOperand(0), SubScale, Offset); + DecomposeSimpleLinearExpr(I->getOperand(0), SubScale, + Offset, Context); Offset += RHS->getZExtValue(); Scale = SubScale; return SubVal; @@ -7736,7 +7803,8 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, unsigned ArraySizeScale; int ArrayOffset; Value *NumElements = // See if the array size is a decomposable linear expr. - DecomposeSimpleLinearExpr(AI.getOperand(0), ArraySizeScale, ArrayOffset); + DecomposeSimpleLinearExpr(AI.getOperand(0), ArraySizeScale, + ArrayOffset, Context); // If we can now satisfy the modulus, by using a non-1 scale, we really can // do the xform. @@ -7749,9 +7817,9 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, Amt = NumElements; } else { // If the allocation size is constant, form a constant mul expression - Amt = ConstantInt::get(Type::Int32Ty, Scale); + Amt = Context->getConstantInt(Type::Int32Ty, Scale); if (isa<ConstantInt>(NumElements)) - Amt = ConstantExpr::getMul(cast<ConstantInt>(NumElements), + Amt = Context->getConstantExprMul(cast<ConstantInt>(NumElements), cast<ConstantInt>(Amt)); // otherwise multiply the amount and the number of elements else { @@ -7761,7 +7829,7 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, } if (int Offset = (AllocElTySize*ArrayOffset)/CastElTySize) { - Value *Off = ConstantInt::get(Type::Int32Ty, Offset, true); + Value *Off = Context->getConstantInt(Type::Int32Ty, Offset, true); Instruction *Tmp = BinaryOperator::CreateAdd(Amt, Off, "tmp"); Amt = InsertNewInstBefore(Tmp, AI); } @@ -7925,7 +7993,8 @@ bool InstCombiner::CanEvaluateInDifferentType(Value *V, const Type *Ty, Value *InstCombiner::EvaluateInDifferentType(Value *V, const Type *Ty, bool isSigned) { if (Constant *C = dyn_cast<Constant>(V)) - return ConstantExpr::getIntegerCast(C, Ty, isSigned /*Sext or ZExt*/); + return Context->getConstantExprIntegerCast(C, Ty, + isSigned /*Sext or ZExt*/); // Otherwise, it must be an instruction. Instruction *I = cast<Instruction>(V); @@ -8019,7 +8088,8 @@ Instruction *InstCombiner::commonCastTransforms(CastInst &CI) { /// resultant element type, otherwise return null. static const Type *FindElementAtOffset(const Type *Ty, int64_t Offset, SmallVectorImpl<Value*> &NewIndices, - const TargetData *TD) { + const TargetData *TD, + LLVMContext* Context) { if (!Ty->isSized()) return 0; // Start with the index over the outer type. Note that the type size @@ -8040,7 +8110,7 @@ static const Type *FindElementAtOffset(const Type *Ty, int64_t Offset, assert((uint64_t)Offset < (uint64_t)TySize && "Out of range offset"); } - NewIndices.push_back(ConstantInt::get(IntPtrTy, FirstIdx)); + NewIndices.push_back(Context->getConstantInt(IntPtrTy, FirstIdx)); // Index into the types. If we fail, set OrigBase to null. while (Offset) { @@ -8054,14 +8124,14 @@ static const Type *FindElementAtOffset(const Type *Ty, int64_t Offset, "Offset must stay within the indexed type"); unsigned Elt = SL->getElementContainingOffset(Offset); - NewIndices.push_back(ConstantInt::get(Type::Int32Ty, Elt)); + NewIndices.push_back(Context->getConstantInt(Type::Int32Ty, Elt)); Offset -= SL->getElementOffset(Elt); Ty = STy->getElementType(Elt); } else if (const ArrayType *AT = dyn_cast<ArrayType>(Ty)) { uint64_t EltSize = TD->getTypeAllocSize(AT->getElementType()); assert(EltSize && "Cannot index into a zero-sized array"); - NewIndices.push_back(ConstantInt::get(IntPtrTy,Offset/EltSize)); + NewIndices.push_back(Context->getConstantInt(IntPtrTy,Offset/EltSize)); Offset %= EltSize; Ty = AT->getElementType(); } else { @@ -8096,7 +8166,8 @@ Instruction *InstCombiner::commonPointerCastTransforms(CastInst &CI) { if (GEP->hasOneUse() && isa<BitCastInst>(GEP->getOperand(0))) { if (GEP->hasAllConstantIndices()) { // We are guaranteed to get a constant from EmitGEPOffset. - ConstantInt *OffsetV = cast<ConstantInt>(EmitGEPOffset(GEP, CI, *this)); + ConstantInt *OffsetV = + cast<ConstantInt>(EmitGEPOffset(GEP, CI, *this)); int64_t Offset = OffsetV->getSExtValue(); // Get the base pointer input of the bitcast, and the type it points to. @@ -8104,7 +8175,7 @@ Instruction *InstCombiner::commonPointerCastTransforms(CastInst &CI) { const Type *GEPIdxTy = cast<PointerType>(OrigBase->getType())->getElementType(); SmallVector<Value*, 8> NewIndices; - if (FindElementAtOffset(GEPIdxTy, Offset, NewIndices, TD)) { + if (FindElementAtOffset(GEPIdxTy, Offset, NewIndices, TD, Context)) { // If we were able to index down into an element, create the GEP // and bitcast the result. This eliminates one bitcast, potentially // two. @@ -8261,7 +8332,7 @@ Instruction *InstCombiner::commonIntCastTransforms(CastInst &CI) { return ReplaceInstUsesWith(CI, Res); // We need to emit an AND to clear the high bits. - Constant *C = ConstantInt::get(APInt::getLowBitsSet(DestBitSize, + Constant *C = Context->getConstantInt(APInt::getLowBitsSet(DestBitSize, SrcBitSize)); return BinaryOperator::CreateAnd(Res, C); } @@ -8309,10 +8380,11 @@ Instruction *InstCombiner::commonIntCastTransforms(CastInst &CI) { // cast (xor bool X, true) to int --> xor (cast bool X to int), 1 if (isa<ZExtInst>(CI) && SrcBitSize == 1 && SrcI->getOpcode() == Instruction::Xor && - Op1 == ConstantInt::getTrue() && + Op1 == Context->getConstantIntTrue() && (!Op0->hasOneUse() || !isa<CmpInst>(Op0))) { Value *New = InsertCastBefore(Instruction::ZExt, Op0, DestTy, CI); - return BinaryOperator::CreateXor(New, ConstantInt::get(CI.getType(), 1)); + return BinaryOperator::CreateXor(New, + Context->getConstantInt(CI.getType(), 1)); } break; case Instruction::SDiv: @@ -8380,9 +8452,9 @@ Instruction *InstCombiner::visitTrunc(TruncInst &CI) { // Canonicalize trunc x to i1 -> (icmp ne (and x, 1), 0) if (DestBitWidth == 1 && isa<VectorType>(Ty) == isa<VectorType>(Src->getType())) { - Constant *One = ConstantInt::get(Src->getType(), 1); + Constant *One = Context->getConstantInt(Src->getType(), 1); Src = InsertNewInstBefore(BinaryOperator::CreateAnd(Src, One, "tmp"), CI); - Value *Zero = Constant::getNullValue(Src->getType()); + Value *Zero = Context->getNullValue(Src->getType()); return new ICmpInst(ICmpInst::ICMP_NE, Src, Zero); } @@ -8397,12 +8469,12 @@ Instruction *InstCombiner::visitTrunc(TruncInst &CI) { APInt Mask(APInt::getLowBitsSet(SrcBitWidth, ShAmt).shl(DestBitWidth)); if (MaskedValueIsZero(ShiftOp, Mask)) { if (ShAmt >= DestBitWidth) // All zeros. - return ReplaceInstUsesWith(CI, Constant::getNullValue(Ty)); + return ReplaceInstUsesWith(CI, Context->getNullValue(Ty)); // Okay, we can shrink this. Truncate the input, then return a new // shift. Value *V1 = InsertCastBefore(Instruction::Trunc, ShiftOp, Ty, CI); - Value *V2 = ConstantExpr::getTrunc(ShAmtV, Ty); + Value *V2 = Context->getConstantExprTrunc(ShAmtV, Ty); return BinaryOperator::CreateLShr(V1, V2); } } @@ -8427,7 +8499,7 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, if (!DoXform) return ICI; Value *In = ICI->getOperand(0); - Value *Sh = ConstantInt::get(In->getType(), + Value *Sh = Context->getConstantInt(In->getType(), In->getType()->getScalarSizeInBits()-1); In = InsertNewInstBefore(BinaryOperator::CreateLShr(In, Sh, In->getName()+".lobit"), @@ -8437,7 +8509,7 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, false/*ZExt*/, "tmp", &CI); if (ICI->getPredicate() == ICmpInst::ICMP_SGT) { - Constant *One = ConstantInt::get(In->getType(), 1); + Constant *One = Context->getConstantInt(In->getType(), 1); In = InsertNewInstBefore(BinaryOperator::CreateXor(In, One, In->getName()+".not"), CI); @@ -8473,8 +8545,8 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, if (Op1CV != 0 && (Op1CV != KnownZeroMask)) { // (X&4) == 2 --> false // (X&4) != 2 --> true - Constant *Res = ConstantInt::get(Type::Int1Ty, isNE); - Res = ConstantExpr::getZExt(Res, CI.getType()); + Constant *Res = Context->getConstantInt(Type::Int1Ty, isNE); + Res = Context->getConstantExprZExt(Res, CI.getType()); return ReplaceInstUsesWith(CI, Res); } @@ -8484,12 +8556,12 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, // Perform a logical shr by shiftamt. // Insert the shift to put the result in the low bit. In = InsertNewInstBefore(BinaryOperator::CreateLShr(In, - ConstantInt::get(In->getType(), ShiftAmt), + Context->getConstantInt(In->getType(), ShiftAmt), In->getName()+".lobit"), CI); } if ((Op1CV != 0) == isNE) { // Toggle the low bit. - Constant *One = ConstantInt::get(In->getType(), 1); + Constant *One = Context->getConstantInt(In->getType(), 1); In = BinaryOperator::CreateXor(In, One, "tmp"); InsertNewInstBefore(cast<Instruction>(In), CI); } @@ -8528,20 +8600,21 @@ Instruction *InstCombiner::visitZExt(ZExtInst &CI) { // SrcSize > DstSize: trunc(a) & mask if (SrcSize < DstSize) { APInt AndValue(APInt::getLowBitsSet(SrcSize, MidSize)); - Constant *AndConst = ConstantInt::get(A->getType(), AndValue); + Constant *AndConst = Context->getConstantInt(A->getType(), AndValue); Instruction *And = BinaryOperator::CreateAnd(A, AndConst, CSrc->getName()+".mask"); InsertNewInstBefore(And, CI); return new ZExtInst(And, CI.getType()); } else if (SrcSize == DstSize) { APInt AndValue(APInt::getLowBitsSet(SrcSize, MidSize)); - return BinaryOperator::CreateAnd(A, ConstantInt::get(A->getType(), + return BinaryOperator::CreateAnd(A, Context->getConstantInt(A->getType(), AndValue)); } else if (SrcSize > DstSize) { Instruction *Trunc = new TruncInst(A, CI.getType(), "tmp"); InsertNewInstBefore(Trunc, CI); APInt AndValue(APInt::getLowBitsSet(DstSize, MidSize)); - return BinaryOperator::CreateAnd(Trunc, ConstantInt::get(Trunc->getType(), + return BinaryOperator::CreateAnd(Trunc, + Context->getConstantInt(Trunc->getType(), AndValue)); } } @@ -8572,7 +8645,7 @@ Instruction *InstCombiner::visitZExt(ZExtInst &CI) { if (TI0->getType() == CI.getType()) return BinaryOperator::CreateAnd(TI0, - ConstantExpr::getZExt(C, CI.getType())); + Context->getConstantExprZExt(C, CI.getType())); } // zext((trunc(t) & C) ^ C) -> ((t & zext(C)) ^ zext(C)). @@ -8584,7 +8657,7 @@ Instruction *InstCombiner::visitZExt(ZExtInst &CI) { if (TruncInst *TI = dyn_cast<TruncInst>(And->getOperand(0))) { Value *TI0 = TI->getOperand(0); if (TI0->getType() == CI.getType()) { - Constant *ZC = ConstantExpr::getZExt(C, CI.getType()); + Constant *ZC = Context->getConstantExprZExt(C, CI.getType()); Instruction *NewAnd = BinaryOperator::CreateAnd(TI0, ZC, "tmp"); InsertNewInstBefore(NewAnd, *And); return BinaryOperator::CreateXor(NewAnd, ZC); @@ -8603,8 +8676,8 @@ Instruction *InstCombiner::visitSExt(SExtInst &CI) { // Canonicalize sign-extend from i1 to a select. if (Src->getType() == Type::Int1Ty) return SelectInst::Create(Src, - ConstantInt::getAllOnesValue(CI.getType()), - Constant::getNullValue(CI.getType())); + Context->getConstantIntAllOnesValue(CI.getType()), + Context->getNullValue(CI.getType())); // See if the value being truncated is already sign extended. If so, just // eliminate the trunc/sext pair. @@ -8656,7 +8729,7 @@ Instruction *InstCombiner::visitSExt(SExtInst &CI) { unsigned MidSize = Src->getType()->getScalarSizeInBits(); unsigned SrcDstSize = CI.getType()->getScalarSizeInBits(); unsigned ShAmt = CA->getZExtValue()+SrcDstSize-MidSize; - Constant *ShAmtV = ConstantInt::get(CI.getType(), ShAmt); + Constant *ShAmtV = Context->getConstantInt(CI.getType(), ShAmt); I = InsertNewInstBefore(BinaryOperator::CreateShl(I, ShAmtV, CI.getName()), CI); return BinaryOperator::CreateAShr(I, ShAmtV); @@ -8668,21 +8741,22 @@ Instruction *InstCombiner::visitSExt(SExtInst &CI) { /// FitsInFPType - Return a Constant* for the specified FP constant if it fits /// in the specified FP type without changing its value. -static Constant *FitsInFPType(ConstantFP *CFP, const fltSemantics &Sem) { +static Constant *FitsInFPType(ConstantFP *CFP, const fltSemantics &Sem, + LLVMContext* Context) { bool losesInfo; APFloat F = CFP->getValueAPF(); (void)F.convert(Sem, APFloat::rmNearestTiesToEven, &losesInfo); if (!losesInfo) - return ConstantFP::get(F); + return Context->getConstantFP(F); return 0; } /// LookThroughFPExtensions - If this is an fp extension instruction, look /// through it until we get the source value. -static Value *LookThroughFPExtensions(Value *V) { +static Value *LookThroughFPExtensions(Value *V, LLVMContext* Context) { if (Instruction *I = dyn_cast<Instruction>(V)) if (I->getOpcode() == Instruction::FPExt) - return LookThroughFPExtensions(I->getOperand(0)); + return LookThroughFPExtensions(I->getOperand(0), Context); // If this value is a constant, return the constant in the smallest FP type // that can accurately represent it. This allows us to turn @@ -8691,11 +8765,11 @@ static Value *LookThroughFPExtensions(Value *V) { if (CFP->getType() == Type::PPC_FP128Ty) return V; // No constant folding of this. // See if the value can be truncated to float and then reextended. - if (Value *V = FitsInFPType(CFP, APFloat::IEEEsingle)) + if (Value *V = FitsInFPType(CFP, APFloat::IEEEsingle, Context)) return V; if (CFP->getType() == Type::DoubleTy) return V; // Won't shrink. - if (Value *V = FitsInFPType(CFP, APFloat::IEEEdouble)) + if (Value *V = FitsInFPType(CFP, APFloat::IEEEdouble, Context)) return V; // Don't try to shrink to various long double types. } @@ -8721,8 +8795,8 @@ Instruction *InstCombiner::visitFPTrunc(FPTruncInst &CI) { case Instruction::FDiv: case Instruction::FRem: const Type *SrcTy = OpI->getType(); - Value *LHSTrunc = LookThroughFPExtensions(OpI->getOperand(0)); - Value *RHSTrunc = LookThroughFPExtensions(OpI->getOperand(1)); + Value *LHSTrunc = LookThroughFPExtensions(OpI->getOperand(0), Context); + Value *RHSTrunc = LookThroughFPExtensions(OpI->getOperand(1), Context); if (LHSTrunc->getType() != SrcTy && RHSTrunc->getType() != SrcTy) { unsigned DstSize = CI.getType()->getScalarSizeInBits(); @@ -8849,7 +8923,7 @@ Instruction *InstCombiner::visitIntToPtr(IntToPtrInst &CI) { // If Offset is evenly divisible by Size, we can do this xform. if (Size && !APIntOps::srem(Offset, APInt(Offset.getBitWidth(), Size))){ Offset = APIntOps::sdiv(Offset, APInt(Offset.getBitWidth(), Size)); - return GetElementPtrInst::Create(X, ConstantInt::get(Offset)); + return GetElementPtrInst::Create(X, Context->getConstantInt(Offset)); } } // TODO: Could handle other cases, e.g. where add is indexing into field of @@ -8872,7 +8946,8 @@ Instruction *InstCombiner::visitIntToPtr(IntToPtrInst &CI) { Instruction *P = InsertNewInstBefore(new IntToPtrInst(X, CI.getType(), "tmp"), CI); - return GetElementPtrInst::Create(P, ConstantInt::get(Offset), "tmp"); + return GetElementPtrInst::Create(P, + Context->getConstantInt(Offset), "tmp"); } } return 0; @@ -8921,7 +8996,7 @@ Instruction *InstCombiner::visitBitCast(BitCastInst &CI) { // If the source and destination are pointers, and this cast is equivalent // to a getelementptr X, 0, 0, 0... turn it into the appropriate gep. // This can enhance SROA and other transforms that want type-safe pointers. - Constant *ZeroUInt = Constant::getNullValue(Type::Int32Ty); + Constant *ZeroUInt = Context->getNullValue(Type::Int32Ty); unsigned NumZeros = 0; while (SrcElTy != DstElTy && isa<CompositeType>(SrcElTy) && !isa<PointerType>(SrcElTy) && @@ -9000,7 +9075,8 @@ static unsigned GetSelectFoldableOperands(Instruction *I) { /// GetSelectFoldableConstant - For the same transformation as the previous /// function, return the identity constant that goes into the select. -static Constant *GetSelectFoldableConstant(Instruction *I) { +static Constant *GetSelectFoldableConstant(Instruction *I, + LLVMContext* Context) { switch (I->getOpcode()) { default: assert(0 && "This cannot happen!"); abort(); case Instruction::Add: @@ -9010,11 +9086,11 @@ static Constant *GetSelectFoldableConstant(Instruction *I) { case Instruction::Shl: case Instruction::LShr: case Instruction::AShr: - return Constant::getNullValue(I->getType()); + return Context->getNullValue(I->getType()); case Instruction::And: - return Constant::getAllOnesValue(I->getType()); + return Context->getAllOnesValue(I->getType()); case Instruction::Mul: - return ConstantInt::get(I->getType(), 1); + return Context->getConstantInt(I->getType(), 1); } } @@ -9116,7 +9192,7 @@ Instruction *InstCombiner::FoldSelectIntoOp(SelectInst &SI, Value *TrueVal, } if (OpToFold) { - Constant *C = GetSelectFoldableConstant(TVI); + Constant *C = GetSelectFoldableConstant(TVI, Context); Value *OOp = TVI->getOperand(2-OpToFold); // Avoid creating select between 2 constants unless it's selecting // between 0 and 1. @@ -9145,7 +9221,7 @@ Instruction *InstCombiner::FoldSelectIntoOp(SelectInst &SI, Value *TrueVal, } if (OpToFold) { - Constant *C = GetSelectFoldableConstant(FVI); + Constant *C = GetSelectFoldableConstant(FVI, Context); Value *OOp = FVI->getOperand(2-OpToFold); // Avoid creating select between 2 constants unless it's selecting // between 0 and 1. @@ -9190,7 +9266,7 @@ Instruction *InstCombiner::visitSelectInstWithICmp(SelectInst &SI, if (CI->isMinValue(Pred == ICmpInst::ICMP_SLT)) return ReplaceInstUsesWith(SI, FalseVal); // X < C ? X : C-1 --> X > C-1 ? C-1 : X - Constant *AdjustedRHS = SubOne(CI); + Constant *AdjustedRHS = SubOne(CI, Context); if ((CmpLHS == TrueVal && AdjustedRHS == FalseVal) || (CmpLHS == FalseVal && AdjustedRHS == TrueVal)) { Pred = ICmpInst::getSwappedPredicate(Pred); @@ -9210,7 +9286,7 @@ Instruction *InstCombiner::visitSelectInstWithICmp(SelectInst &SI, if (CI->isMaxValue(Pred == ICmpInst::ICMP_SGT)) return ReplaceInstUsesWith(SI, FalseVal); // X > C ? X : C+1 --> X < C+1 ? C+1 : X - Constant *AdjustedRHS = AddOne(CI); + Constant *AdjustedRHS = AddOne(CI, Context); if ((CmpLHS == TrueVal && AdjustedRHS == FalseVal) || (CmpLHS == FalseVal && AdjustedRHS == TrueVal)) { Pred = ICmpInst::getSwappedPredicate(Pred); @@ -9247,7 +9323,7 @@ Instruction *InstCombiner::visitSelectInstWithICmp(SelectInst &SI, if ((Pred == ICmpInst::ICMP_SLT && Op1CV == 0) || (Pred == ICmpInst::ICMP_SGT && Op1CV.isAllOnesValue())) { Value *In = ICI->getOperand(0); - Value *Sh = ConstantInt::get(In->getType(), + Value *Sh = Context->getConstantInt(In->getType(), In->getType()->getScalarSizeInBits()-1); In = InsertNewInstBefore(BinaryOperator::CreateAShr(In, Sh, In->getName()+".lobit"), @@ -9371,7 +9447,7 @@ Instruction *InstCombiner::visitSelectInst(SelectInst &SI) { // same width. Make an all-ones value by inserting a AShr. Value *X = IC->getOperand(0); uint32_t Bits = X->getType()->getScalarSizeInBits(); - Constant *ShAmt = ConstantInt::get(X->getType(), Bits-1); + Constant *ShAmt = Context->getConstantInt(X->getType(), Bits-1); Instruction *SRA = BinaryOperator::Create(Instruction::AShr, X, ShAmt, "ones"); InsertNewInstBefore(SRA, SI); @@ -9492,7 +9568,7 @@ Instruction *InstCombiner::visitSelectInst(SelectInst &SI) { // select C, (add X, Y), (sub X, Z) Value *NegVal; // Compute -Z if (Constant *C = dyn_cast<Constant>(SubOp->getOperand(1))) { - NegVal = ConstantExpr::getNeg(C); + NegVal = Context->getConstantExprNeg(C); } else { NegVal = InsertNewInstBefore( BinaryOperator::CreateNeg(SubOp->getOperand(1), "tmp"), SI); @@ -9638,7 +9714,8 @@ Instruction *InstCombiner::SimplifyMemTransfer(MemIntrinsic *MI) { return 0; // If not 1/2/4/8 bytes, exit. // Use an integer load+store unless we can find something better. - Type *NewPtrTy = PointerType::getUnqual(IntegerType::get(Size<<3)); + Type *NewPtrTy = + Context->getPointerTypeUnqual(Context->getIntegerType(Size<<3)); // Memcpy forces the use of i8* for the source and destination. That means // that if you're using memcpy to move one double around, you'll get a cast @@ -9667,7 +9744,7 @@ Instruction *InstCombiner::SimplifyMemTransfer(MemIntrinsic *MI) { } if (SrcETy->isSingleValueType()) - NewPtrTy = PointerType::getUnqual(SrcETy); + NewPtrTy = Context->getPointerTypeUnqual(SrcETy); } } @@ -9684,7 +9761,7 @@ Instruction *InstCombiner::SimplifyMemTransfer(MemIntrinsic *MI) { InsertNewInstBefore(new StoreInst(L, Dest, false, DstAlign), *MI); // Set the size of the copy to 0, it will be deleted on the next iteration. - MI->setOperand(3, Constant::getNullValue(MemOpLength->getType())); + MI->setOperand(3, Context->getNullValue(MemOpLength->getType())); return MI; } @@ -9708,21 +9785,21 @@ Instruction *InstCombiner::SimplifyMemSet(MemSetInst *MI) { // memset(s,c,n) -> store s, c (for n=1,2,4,8) if (Len <= 8 && isPowerOf2_32((uint32_t)Len)) { - const Type *ITy = IntegerType::get(Len*8); // n=1 -> i8. + const Type *ITy = Context->getIntegerType(Len*8); // n=1 -> i8. Value *Dest = MI->getDest(); - Dest = InsertBitCastBefore(Dest, PointerType::getUnqual(ITy), *MI); + Dest = InsertBitCastBefore(Dest, Context->getPointerTypeUnqual(ITy), *MI); // Alignment 0 is identity for alignment 1 for memset, but not store. if (Alignment == 0) Alignment = 1; // Extract the fill value and store. uint64_t Fill = FillC->getZExtValue()*0x0101010101010101ULL; - InsertNewInstBefore(new StoreInst(ConstantInt::get(ITy, Fill), Dest, false, - Alignment), *MI); + InsertNewInstBefore(new StoreInst(Context->getConstantInt(ITy, Fill), + Dest, false, Alignment), *MI); // Set the size of the copy to 0, it will be deleted on the next iteration. - MI->setLength(Constant::getNullValue(LenC->getType())); + MI->setLength(Context->getNullValue(LenC->getType())); return MI; } @@ -9815,7 +9892,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { // Turn X86 loadups -> load if the pointer is known aligned. if (GetOrEnforceKnownAlignment(II->getOperand(1), 16) >= 16) { Value *Ptr = InsertBitCastBefore(II->getOperand(1), - PointerType::getUnqual(II->getType()), + Context->getPointerTypeUnqual(II->getType()), CI); return new LoadInst(Ptr); } @@ -9825,7 +9902,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { // Turn stvx -> store if the pointer is known aligned. if (GetOrEnforceKnownAlignment(II->getOperand(2), 16) >= 16) { const Type *OpPtrTy = - PointerType::getUnqual(II->getOperand(1)->getType()); + Context->getPointerTypeUnqual(II->getOperand(1)->getType()); Value *Ptr = InsertBitCastBefore(II->getOperand(2), OpPtrTy, CI); return new StoreInst(II->getOperand(1), Ptr); } @@ -9836,7 +9913,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { // Turn X86 storeu -> store if the pointer is known aligned. if (GetOrEnforceKnownAlignment(II->getOperand(1), 16) >= 16) { const Type *OpPtrTy = - PointerType::getUnqual(II->getOperand(2)->getType()); + Context->getPointerTypeUnqual(II->getOperand(2)->getType()); Value *Ptr = InsertBitCastBefore(II->getOperand(1), OpPtrTy, CI); return new StoreInst(II->getOperand(2), Ptr); } @@ -9876,7 +9953,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { // Cast the input vectors to byte vectors. Value *Op0 =InsertBitCastBefore(II->getOperand(1),Mask->getType(),CI); Value *Op1 =InsertBitCastBefore(II->getOperand(2),Mask->getType(),CI); - Value *Result = UndefValue::get(Op0->getType()); + Value *Result = Context->getUndef(Op0->getType()); // Only extract each element once. Value *ExtractedElts[32]; @@ -9999,11 +10076,11 @@ Instruction *InstCombiner::visitCallSite(CallSite CS) { Instruction *OldCall = CS.getInstruction(); // If the call and callee calling conventions don't match, this call must // be unreachable, as the call is undefined. - new StoreInst(ConstantInt::getTrue(), - UndefValue::get(PointerType::getUnqual(Type::Int1Ty)), - OldCall); + new StoreInst(Context->getConstantIntTrue(), + Context->getUndef(Context->getPointerTypeUnqual(Type::Int1Ty)), + OldCall); if (!OldCall->use_empty()) - OldCall->replaceAllUsesWith(UndefValue::get(OldCall->getType())); + OldCall->replaceAllUsesWith(Context->getUndef(OldCall->getType())); if (isa<CallInst>(OldCall)) // Not worth removing an invoke here. return EraseInstFromFunction(*OldCall); return 0; @@ -10013,18 +10090,18 @@ Instruction *InstCombiner::visitCallSite(CallSite CS) { // This instruction is not reachable, just remove it. We insert a store to // undef so that we know that this code is not reachable, despite the fact // that we can't modify the CFG here. - new StoreInst(ConstantInt::getTrue(), - UndefValue::get(PointerType::getUnqual(Type::Int1Ty)), + new StoreInst(Context->getConstantIntTrue(), + Context->getUndef(Context->getPointerTypeUnqual(Type::Int1Ty)), CS.getInstruction()); if (!CS.getInstruction()->use_empty()) CS.getInstruction()-> - replaceAllUsesWith(UndefValue::get(CS.getInstruction()->getType())); + replaceAllUsesWith(Context->getUndef(CS.getInstruction()->getType())); if (InvokeInst *II = dyn_cast<InvokeInst>(CS.getInstruction())) { // Don't break the CFG, insert a dummy cond branch. BranchInst::Create(II->getNormalDest(), II->getUnwindDest(), - ConstantInt::getTrue(), II); + Context->getConstantIntTrue(), II); } return EraseInstFromFunction(*CS.getInstruction()); } @@ -10195,7 +10272,7 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) { // If the function takes more arguments than the call was taking, add them // now... for (unsigned i = NumCommonArgs; i != FT->getNumParams(); ++i) - Args.push_back(Constant::getNullValue(FT->getParamType(i))); + Args.push_back(Context->getNullValue(FT->getParamType(i))); // If we are removing arguments to the function, emit an obnoxious warning... if (FT->getNumParams() < NumActualArgs) { @@ -10268,7 +10345,7 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) { } AddUsersToWorkList(*Caller); } else { - NV = UndefValue::get(Caller->getType()); + NV = Context->getUndef(Caller->getType()); } } @@ -10393,9 +10470,12 @@ Instruction *InstCombiner::transformCallThroughTrampoline(CallSite CS) { // Replace the trampoline call with a direct call. Let the generic // code sort out any function type mismatches. FunctionType *NewFTy = - FunctionType::get(FTy->getReturnType(), NewTypes, FTy->isVarArg()); - Constant *NewCallee = NestF->getType() == PointerType::getUnqual(NewFTy) ? - NestF : ConstantExpr::getBitCast(NestF, PointerType::getUnqual(NewFTy)); + Context->getFunctionType(FTy->getReturnType(), NewTypes, + FTy->isVarArg()); + Constant *NewCallee = + NestF->getType() == Context->getPointerTypeUnqual(NewFTy) ? + NestF : Context->getConstantExprBitCast(NestF, + Context->getPointerTypeUnqual(NewFTy)); const AttrListPtr &NewPAL = AttrListPtr::get(NewAttrs.begin(),NewAttrs.end()); Instruction *NewCaller; @@ -10427,7 +10507,8 @@ Instruction *InstCombiner::transformCallThroughTrampoline(CallSite CS) { // parameter, there is no need to adjust the argument list. Let the generic // code sort out any function type mismatches. Constant *NewCallee = - NestF->getType() == PTy ? NestF : ConstantExpr::getBitCast(NestF, PTy); + NestF->getType() == PTy ? NestF : + Context->getConstantExprBitCast(NestF, PTy); CS.setCalledFunction(NewCallee); return CS.getInstruction(); } @@ -10848,7 +10929,7 @@ Instruction *InstCombiner::visitPHINode(PHINode &PN) { SmallPtrSet<PHINode*, 16> PotentiallyDeadPHIs; PotentiallyDeadPHIs.insert(&PN); if (DeadPHICycle(PU, PotentiallyDeadPHIs)) - return ReplaceInstUsesWith(PN, UndefValue::get(PN.getType())); + return ReplaceInstUsesWith(PN, Context->getUndef(PN.getType())); } // If this phi has a single use, and if that use just computes a value for @@ -10860,7 +10941,7 @@ Instruction *InstCombiner::visitPHINode(PHINode &PN) { if (PHIUser->hasOneUse() && (isa<BinaryOperator>(PHIUser) || isa<GetElementPtrInst>(PHIUser)) && PHIUser->use_back() == &PN) { - return ReplaceInstUsesWith(PN, UndefValue::get(PN.getType())); + return ReplaceInstUsesWith(PN, Context->getUndef(PN.getType())); } } @@ -10924,7 +11005,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { return ReplaceInstUsesWith(GEP, PtrOp); if (isa<UndefValue>(GEP.getOperand(0))) - return ReplaceInstUsesWith(GEP, UndefValue::get(GEP.getType())); + return ReplaceInstUsesWith(GEP, Context->getUndef(GEP.getType())); bool HasZeroPointerIndex = false; if (Constant *C = dyn_cast<Constant>(GEP.getOperand(1))) @@ -10960,7 +11041,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { Value *Op = *i; if (TD->getTypeSizeInBits(Op->getType()) > TD->getPointerSizeInBits()) { if (Constant *C = dyn_cast<Constant>(Op)) { - *i = ConstantExpr::getTrunc(C, TD->getIntPtrType()); + *i = Context->getConstantExprTrunc(C, TD->getIntPtrType()); MadeChange = true; } else { Op = InsertCastBefore(Instruction::Trunc, Op, TD->getIntPtrType(), @@ -10970,7 +11051,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { } } else if (TD->getTypeSizeInBits(Op->getType()) < TD->getPointerSizeInBits()) { if (Constant *C = dyn_cast<Constant>(Op)) { - *i = ConstantExpr::getSExt(C, TD->getIntPtrType()); + *i = Context->getConstantExprSExt(C, TD->getIntPtrType()); MadeChange = true; } else { Op = InsertCastBefore(Instruction::SExt, Op, TD->getIntPtrType(), @@ -11014,18 +11095,20 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { // With: T = long A+B; gep %P, T, ... // Value *Sum, *SO1 = SrcGEPOperands.back(), *GO1 = GEP.getOperand(1); - if (SO1 == Constant::getNullValue(SO1->getType())) { + if (SO1 == Context->getNullValue(SO1->getType())) { Sum = GO1; - } else if (GO1 == Constant::getNullValue(GO1->getType())) { + } else if (GO1 == Context->getNullValue(GO1->getType())) { Sum = SO1; } else { // If they aren't the same type, convert both to an integer of the // target's pointer size. if (SO1->getType() != GO1->getType()) { if (Constant *SO1C = dyn_cast<Constant>(SO1)) { - SO1 = ConstantExpr::getIntegerCast(SO1C, GO1->getType(), true); + SO1 = + Context->getConstantExprIntegerCast(SO1C, GO1->getType(), true); } else if (Constant *GO1C = dyn_cast<Constant>(GO1)) { - GO1 = ConstantExpr::getIntegerCast(GO1C, SO1->getType(), true); + GO1 = + Context->getConstantExprIntegerCast(GO1C, SO1->getType(), true); } else { unsigned PS = TD->getPointerSizeInBits(); if (TD->getTypeSizeInBits(SO1->getType()) == PS) { @@ -11043,7 +11126,8 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { } } if (isa<Constant>(SO1) && isa<Constant>(GO1)) - Sum = ConstantExpr::getAdd(cast<Constant>(SO1), cast<Constant>(GO1)); + Sum = Context->getConstantExprAdd(cast<Constant>(SO1), + cast<Constant>(GO1)); else { Sum = BinaryOperator::CreateAdd(SO1, GO1, PtrOp->getName()+".sum"); InsertNewInstBefore(cast<Instruction>(Sum), GEP); @@ -11085,7 +11169,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { Indices.push_back(cast<Constant>(*I)); if (I == E) { // If they are all constants... - Constant *CE = ConstantExpr::getGetElementPtr(GV, + Constant *CE = Context->getConstantExprGetElementPtr(GV, &Indices[0],Indices.size()); // Replace all uses of the GEP with the new constexpr... @@ -11136,7 +11220,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { TD->getTypeAllocSize(cast<ArrayType>(SrcElTy)->getElementType()) == TD->getTypeAllocSize(ResElTy)) { Value *Idx[2]; - Idx[0] = Constant::getNullValue(Type::Int32Ty); + Idx[0] = Context->getNullValue(Type::Int32Ty); Idx[1] = GEP.getOperand(1); Value *V = InsertNewInstBefore( GetElementPtrInst::Create(X, Idx, Idx + 2, GEP.getName()), GEP); @@ -11159,16 +11243,17 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { ConstantInt *Scale = 0; if (ArrayEltSize == 1) { NewIdx = GEP.getOperand(1); - Scale = ConstantInt::get(cast<IntegerType>(NewIdx->getType()), 1); + Scale = + Context->getConstantInt(cast<IntegerType>(NewIdx->getType()), 1); } else if (ConstantInt *CI = dyn_cast<ConstantInt>(GEP.getOperand(1))) { - NewIdx = ConstantInt::get(CI->getType(), 1); + NewIdx = Context->getConstantInt(CI->getType(), 1); Scale = CI; } else if (Instruction *Inst =dyn_cast<Instruction>(GEP.getOperand(1))){ if (Inst->getOpcode() == Instruction::Shl && isa<ConstantInt>(Inst->getOperand(1))) { ConstantInt *ShAmt = cast<ConstantInt>(Inst->getOperand(1)); uint32_t ShAmtVal = ShAmt->getLimitedValue(64); - Scale = ConstantInt::get(cast<IntegerType>(Inst->getType()), + Scale = Context->getConstantInt(cast<IntegerType>(Inst->getType()), 1ULL << ShAmtVal); NewIdx = Inst->getOperand(0); } else if (Inst->getOpcode() == Instruction::Mul && @@ -11184,10 +11269,11 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { // operation after making sure Scale doesn't have the sign bit set. if (ArrayEltSize && Scale && Scale->getSExtValue() >= 0LL && Scale->getZExtValue() % ArrayEltSize == 0) { - Scale = ConstantInt::get(Scale->getType(), + Scale = Context->getConstantInt(Scale->getType(), Scale->getZExtValue() / ArrayEltSize); if (Scale->getZExtValue() != 1) { - Constant *C = ConstantExpr::getIntegerCast(Scale, NewIdx->getType(), + Constant *C = + Context->getConstantExprIntegerCast(Scale, NewIdx->getType(), false /*ZExt*/); Instruction *Sc = BinaryOperator::CreateMul(NewIdx, C, "idxscale"); NewIdx = InsertNewInstBefore(Sc, GEP); @@ -11195,7 +11281,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { // Insert the new GEP instruction. Value *Idx[2]; - Idx[0] = Constant::getNullValue(Type::Int32Ty); + Idx[0] = Context->getNullValue(Type::Int32Ty); Idx[1] = NewIdx; Instruction *NewGEP = GetElementPtrInst::Create(X, Idx, Idx + 2, GEP.getName()); @@ -11216,7 +11302,8 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { if (!isa<BitCastInst>(BCI->getOperand(0)) && GEP.hasAllConstantIndices()) { // Determine how much the GEP moves the pointer. We are guaranteed to get // a constant back from EmitGEPOffset. - ConstantInt *OffsetV = cast<ConstantInt>(EmitGEPOffset(&GEP, GEP, *this)); + ConstantInt *OffsetV = + cast<ConstantInt>(EmitGEPOffset(&GEP, GEP, *this)); int64_t Offset = OffsetV->getSExtValue(); // If this GEP instruction doesn't move the pointer, just replace the GEP @@ -11244,7 +11331,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { SmallVector<Value*, 8> NewIndices; const Type *InTy = cast<PointerType>(BCI->getOperand(0)->getType())->getElementType(); - if (FindElementAtOffset(InTy, Offset, NewIndices, TD)) { + if (FindElementAtOffset(InTy, Offset, NewIndices, TD, Context)) { Instruction *NGEP = GetElementPtrInst::Create(BCI->getOperand(0), NewIndices.begin(), NewIndices.end()); @@ -11264,7 +11351,7 @@ Instruction *InstCombiner::visitAllocationInst(AllocationInst &AI) { if (AI.isArrayAllocation()) { // Check C != 1 if (const ConstantInt *C = dyn_cast<ConstantInt>(AI.getArraySize())) { const Type *NewTy = - ArrayType::get(AI.getAllocatedType(), C->getZExtValue()); + Context->getArrayType(AI.getAllocatedType(), C->getZExtValue()); AllocationInst *New = 0; // Create and insert the replacement instruction... @@ -11286,7 +11373,7 @@ Instruction *InstCombiner::visitAllocationInst(AllocationInst &AI) { // Now that I is pointing to the first non-allocation-inst in the block, // insert our getelementptr instruction... // - Value *NullIdx = Constant::getNullValue(Type::Int32Ty); + Value *NullIdx = Context->getNullValue(Type::Int32Ty); Value *Idx[2]; Idx[0] = NullIdx; Idx[1] = NullIdx; @@ -11297,7 +11384,7 @@ Instruction *InstCombiner::visitAllocationInst(AllocationInst &AI) { // allocation. return ReplaceInstUsesWith(AI, V); } else if (isa<UndefValue>(AI.getArraySize())) { - return ReplaceInstUsesWith(AI, Constant::getNullValue(AI.getType())); + return ReplaceInstUsesWith(AI, Context->getNullValue(AI.getType())); } } @@ -11306,7 +11393,7 @@ Instruction *InstCombiner::visitAllocationInst(AllocationInst &AI) { // Note that we only do this for alloca's, because malloc should allocate // and return a unique pointer, even for a zero byte allocation. if (TD->getTypeAllocSize(AI.getAllocatedType()) == 0) - return ReplaceInstUsesWith(AI, Constant::getNullValue(AI.getType())); + return ReplaceInstUsesWith(AI, Context->getNullValue(AI.getType())); // If the alignment is 0 (unspecified), assign it the preferred alignment. if (AI.getAlignment() == 0) @@ -11322,8 +11409,8 @@ Instruction *InstCombiner::visitFreeInst(FreeInst &FI) { // free undef -> unreachable. if (isa<UndefValue>(Op)) { // Insert a new store to null because we cannot modify the CFG here. - new StoreInst(ConstantInt::getTrue(), - UndefValue::get(PointerType::getUnqual(Type::Int1Ty)), &FI); + new StoreInst(Context->getConstantIntTrue(), + Context->getUndef(Context->getPointerTypeUnqual(Type::Int1Ty)), &FI); return EraseInstFromFunction(FI); } @@ -11363,6 +11450,7 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI, const TargetData *TD) { User *CI = cast<User>(LI.getOperand(0)); Value *CastOp = CI->getOperand(0); + LLVMContext* Context = IC.getContext(); if (TD) { if (ConstantExpr *CE = dyn_cast<ConstantExpr>(CI)) { @@ -11391,7 +11479,7 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI, SingleChar = 0; StrVal = (StrVal << 8) | SingleChar; } - Value *NL = ConstantInt::get(StrVal); + Value *NL = Context->getConstantInt(StrVal); return IC.ReplaceInstUsesWith(LI, NL); } } @@ -11417,8 +11505,8 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI, if (Constant *CSrc = dyn_cast<Constant>(CastOp)) if (ASrcTy->getNumElements() != 0) { Value *Idxs[2]; - Idxs[0] = Idxs[1] = Constant::getNullValue(Type::Int32Ty); - CastOp = ConstantExpr::getGetElementPtr(CSrc, Idxs, 2); + Idxs[0] = Idxs[1] = Context->getNullValue(Type::Int32Ty); + CastOp = Context->getConstantExprGetElementPtr(CSrc, Idxs, 2); SrcTy = cast<PointerType>(CastOp->getType()); SrcPTy = SrcTy->getElementType(); } @@ -11480,9 +11568,9 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { // that this code is not reachable. We do this instead of inserting // an unreachable instruction directly because we cannot modify the // CFG. - new StoreInst(UndefValue::get(LI.getType()), - Constant::getNullValue(Op->getType()), &LI); - return ReplaceInstUsesWith(LI, UndefValue::get(LI.getType())); + new StoreInst(Context->getUndef(LI.getType()), + Context->getNullValue(Op->getType()), &LI); + return ReplaceInstUsesWith(LI, Context->getUndef(LI.getType())); } } @@ -11494,9 +11582,9 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { // Insert a new store to null instruction before the load to indicate that // this code is not reachable. We do this instead of inserting an // unreachable instruction directly because we cannot modify the CFG. - new StoreInst(UndefValue::get(LI.getType()), - Constant::getNullValue(Op->getType()), &LI); - return ReplaceInstUsesWith(LI, UndefValue::get(LI.getType())); + new StoreInst(Context->getUndef(LI.getType()), + Context->getNullValue(Op->getType()), &LI); + return ReplaceInstUsesWith(LI, Context->getUndef(LI.getType())); } // Instcombine load (constant global) into the value loaded. @@ -11517,9 +11605,9 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { // that this code is not reachable. We do this instead of inserting // an unreachable instruction directly because we cannot modify the // CFG. - new StoreInst(UndefValue::get(LI.getType()), - Constant::getNullValue(Op->getType()), &LI); - return ReplaceInstUsesWith(LI, UndefValue::get(LI.getType())); + new StoreInst(Context->getUndef(LI.getType()), + Context->getNullValue(Op->getType()), &LI); + return ReplaceInstUsesWith(LI, Context->getUndef(LI.getType())); } } else if (CE->isCast()) { @@ -11534,9 +11622,9 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { if (GlobalVariable *GV = dyn_cast<GlobalVariable>(Op->getUnderlyingObject())){ if (GV->isConstant() && GV->hasDefinitiveInitializer()) { if (GV->getInitializer()->isNullValue()) - return ReplaceInstUsesWith(LI, Constant::getNullValue(LI.getType())); + return ReplaceInstUsesWith(LI, Context->getNullValue(LI.getType())); else if (isa<UndefValue>(GV->getInitializer())) - return ReplaceInstUsesWith(LI, UndefValue::get(LI.getType())); + return ReplaceInstUsesWith(LI, Context->getUndef(LI.getType())); } } @@ -11586,6 +11674,7 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) { User *CI = cast<User>(SI.getOperand(1)); Value *CastOp = CI->getOperand(0); + LLVMContext* Context = IC.getContext(); const Type *DestPTy = cast<PointerType>(CI->getType())->getElementType(); const PointerType *SrcTy = dyn_cast<PointerType>(CastOp->getType()); @@ -11607,7 +11696,7 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) { // constants. if (isa<ArrayType>(SrcPTy) || isa<StructType>(SrcPTy)) { // Index through pointer. - Constant *Zero = Constant::getNullValue(Type::Int32Ty); + Constant *Zero = Context->getNullValue(Type::Int32Ty); NewGEPIndices.push_back(Zero); while (1) { @@ -11624,7 +11713,7 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) { } } - SrcTy = PointerType::get(SrcPTy, SrcTy->getAddressSpace()); + SrcTy = Context->getPointerType(SrcPTy, SrcTy->getAddressSpace()); } if (!SrcPTy->isInteger() && !isa<PointerType>(SrcPTy)) @@ -11658,7 +11747,7 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) { // emit a GEP to index into its first field. if (!NewGEPIndices.empty()) { if (Constant *C = dyn_cast<Constant>(CastOp)) - CastOp = ConstantExpr::getGetElementPtr(C, &NewGEPIndices[0], + CastOp = Context->getConstantExprGetElementPtr(C, &NewGEPIndices[0], NewGEPIndices.size()); else CastOp = IC.InsertNewInstBefore( @@ -11667,7 +11756,7 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) { } if (Constant *C = dyn_cast<Constant>(SIOp0)) - NewCast = ConstantExpr::getCast(opcode, C, CastDstTy); + NewCast = Context->getConstantExprCast(opcode, C, CastDstTy); else NewCast = IC.InsertNewInstBefore( CastInst::Create(opcode, SIOp0, CastDstTy, SIOp0->getName()+".c"), @@ -11828,7 +11917,7 @@ Instruction *InstCombiner::visitStoreInst(StoreInst &SI) { if (isa<ConstantPointerNull>(Ptr) && cast<PointerType>(Ptr->getType())->getAddressSpace() == 0) { if (!isa<UndefValue>(Val)) { - SI.setOperand(0, UndefValue::get(Val->getType())); + SI.setOperand(0, Context->getUndef(Val->getType())); if (Instruction *U = dyn_cast<Instruction>(Val)) AddToWorkList(U); // Dropped a use. ++NumCombined; @@ -12055,7 +12144,8 @@ Instruction *InstCombiner::visitSwitchInst(SwitchInst &SI) { if (ConstantInt *AddRHS = dyn_cast<ConstantInt>(I->getOperand(1))) { // change 'switch (X+4) case 1:' into 'switch (X) case -3' for (unsigned i = 2, e = SI.getNumOperands(); i != e; i += 2) - SI.setOperand(i,ConstantExpr::getSub(cast<Constant>(SI.getOperand(i)), + SI.setOperand(i, + Context->getConstantExprSub(cast<Constant>(SI.getOperand(i)), AddRHS)); SI.setOperand(0, I->getOperand(0)); AddToWorkList(I); @@ -12073,10 +12163,10 @@ Instruction *InstCombiner::visitExtractValueInst(ExtractValueInst &EV) { if (Constant *C = dyn_cast<Constant>(Agg)) { if (isa<UndefValue>(C)) - return ReplaceInstUsesWith(EV, UndefValue::get(EV.getType())); + return ReplaceInstUsesWith(EV, Context->getUndef(EV.getType())); if (isa<ConstantAggregateZero>(C)) - return ReplaceInstUsesWith(EV, Constant::getNullValue(EV.getType())); + return ReplaceInstUsesWith(EV, Context->getNullValue(EV.getType())); if (isa<ConstantArray>(C) || isa<ConstantStruct>(C)) { // Extract the element indexed by the first index out of the constant @@ -12212,17 +12302,18 @@ static std::vector<unsigned> getShuffleMask(const ShuffleVectorInst *SVI) { /// FindScalarElement - Given a vector and an element number, see if the scalar /// value is already around as a register, for example if it were inserted then /// extracted from the vector. -static Value *FindScalarElement(Value *V, unsigned EltNo) { +static Value *FindScalarElement(Value *V, unsigned EltNo, + LLVMContext* Context) { assert(isa<VectorType>(V->getType()) && "Not looking at a vector?"); const VectorType *PTy = cast<VectorType>(V->getType()); unsigned Width = PTy->getNumElements(); if (EltNo >= Width) // Out of range access. - return UndefValue::get(PTy->getElementType()); + return Context->getUndef(PTy->getElementType()); if (isa<UndefValue>(V)) - return UndefValue::get(PTy->getElementType()); + return Context->getUndef(PTy->getElementType()); else if (isa<ConstantAggregateZero>(V)) - return Constant::getNullValue(PTy->getElementType()); + return Context->getNullValue(PTy->getElementType()); else if (ConstantVector *CP = dyn_cast<ConstantVector>(V)) return CP->getOperand(EltNo); else if (InsertElementInst *III = dyn_cast<InsertElementInst>(V)) { @@ -12238,17 +12329,17 @@ static Value *FindScalarElement(Value *V, unsigned EltNo) { // Otherwise, the insertelement doesn't modify the value, recurse on its // vector input. - return FindScalarElement(III->getOperand(0), EltNo); + return FindScalarElement(III->getOperand(0), EltNo, Context); } else if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(V)) { unsigned LHSWidth = cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements(); unsigned InEl = getShuffleMask(SVI)[EltNo]; if (InEl < LHSWidth) - return FindScalarElement(SVI->getOperand(0), InEl); + return FindScalarElement(SVI->getOperand(0), InEl, Context); else if (InEl < LHSWidth*2) - return FindScalarElement(SVI->getOperand(1), InEl - LHSWidth); + return FindScalarElement(SVI->getOperand(1), InEl - LHSWidth, Context); else - return UndefValue::get(PTy->getElementType()); + return Context->getUndef(PTy->getElementType()); } // Otherwise, we don't know. @@ -12258,11 +12349,11 @@ static Value *FindScalarElement(Value *V, unsigned EltNo) { Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { // If vector val is undef, replace extract with scalar undef. if (isa<UndefValue>(EI.getOperand(0))) - return ReplaceInstUsesWith(EI, UndefValue::get(EI.getType())); + return ReplaceInstUsesWith(EI, Context->getUndef(EI.getType())); // If vector val is constant 0, replace extract with scalar 0. if (isa<ConstantAggregateZero>(EI.getOperand(0))) - return ReplaceInstUsesWith(EI, Constant::getNullValue(EI.getType())); + return ReplaceInstUsesWith(EI, Context->getNullValue(EI.getType())); if (ConstantVector *C = dyn_cast<ConstantVector>(EI.getOperand(0))) { // If vector val is constant with all elements the same, replace EI with @@ -12288,7 +12379,7 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { // If this is extracting an invalid index, turn this into undef, to avoid // crashing the code below. if (IndexVal >= VectorWidth) - return ReplaceInstUsesWith(EI, UndefValue::get(EI.getType())); + return ReplaceInstUsesWith(EI, Context->getUndef(EI.getType())); // This instruction only demands the single element from the input vector. // If the input vector has a single use, simplify it based on this use @@ -12303,7 +12394,7 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { } } - if (Value *Elt = FindScalarElement(EI.getOperand(0), IndexVal)) + if (Value *Elt = FindScalarElement(EI.getOperand(0), IndexVal, Context)) return ReplaceInstUsesWith(EI, Elt); // If the this extractelement is directly using a bitcast from a vector of @@ -12313,7 +12404,8 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { if (const VectorType *VT = dyn_cast<VectorType>(BCI->getOperand(0)->getType())) if (VT->getNumElements() == VectorWidth) - if (Value *Elt = FindScalarElement(BCI->getOperand(0), IndexVal)) + if (Value *Elt = FindScalarElement(BCI->getOperand(0), + IndexVal, Context)) return new BitCastInst(Elt, EI.getType()); } } @@ -12339,7 +12431,7 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { unsigned AS = cast<PointerType>(I->getOperand(0)->getType())->getAddressSpace(); Value *Ptr = InsertBitCastBefore(I->getOperand(0), - PointerType::get(EI.getType(), AS),EI); + Context->getPointerType(EI.getType(), AS),EI); GetElementPtrInst *GEP = GetElementPtrInst::Create(Ptr, EI.getOperand(1), I->getName()+".gep"); InsertNewInstBefore(GEP, EI); @@ -12373,7 +12465,7 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { SrcIdx -= LHSWidth; Src = SVI->getOperand(1); } else { - return ReplaceInstUsesWith(EI, UndefValue::get(EI.getType())); + return ReplaceInstUsesWith(EI, Context->getUndef(EI.getType())); } return new ExtractElementInst(Src, SrcIdx); } @@ -12386,21 +12478,22 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) { /// elements from either LHS or RHS, return the shuffle mask and true. /// Otherwise, return false. static bool CollectSingleShuffleElements(Value *V, Value *LHS, Value *RHS, - std::vector<Constant*> &Mask) { + std::vector<Constant*> &Mask, + LLVMContext* Context) { assert(V->getType() == LHS->getType() && V->getType() == RHS->getType() && "Invalid CollectSingleShuffleElements"); unsigned NumElts = cast<VectorType>(V->getType())->getNumElements(); if (isa<UndefValue>(V)) { - Mask.assign(NumElts, UndefValue::get(Type::Int32Ty)); + Mask.assign(NumElts, Context->getUndef(Type::Int32Ty)); return true; } else if (V == LHS) { for (unsigned i = 0; i != NumElts; ++i) - Mask.push_back(ConstantInt::get(Type::Int32Ty, i)); + Mask.push_back(Context->getConstantInt(Type::Int32Ty, i)); return true; } else if (V == RHS) { for (unsigned i = 0; i != NumElts; ++i) - Mask.push_back(ConstantInt::get(Type::Int32Ty, i+NumElts)); + Mask.push_back(Context->getConstantInt(Type::Int32Ty, i+NumElts)); return true; } else if (InsertElementInst *IEI = dyn_cast<InsertElementInst>(V)) { // If this is an insert of an extract from some other vector, include it. @@ -12415,9 +12508,9 @@ static bool CollectSingleShuffleElements(Value *V, Value *LHS, Value *RHS, if (isa<UndefValue>(ScalarOp)) { // inserting undef into vector. // Okay, we can handle this if the vector we are insertinting into is // transitively ok. - if (CollectSingleShuffleElements(VecOp, LHS, RHS, Mask)) { + if (CollectSingleShuffleElements(VecOp, LHS, RHS, Mask, Context)) { // If so, update the mask to reflect the inserted undef. - Mask[InsertedIdx] = UndefValue::get(Type::Int32Ty); + Mask[InsertedIdx] = Context->getUndef(Type::Int32Ty); return true; } } else if (ExtractElementInst *EI = dyn_cast<ExtractElementInst>(ScalarOp)){ @@ -12430,15 +12523,15 @@ static bool CollectSingleShuffleElements(Value *V, Value *LHS, Value *RHS, if (EI->getOperand(0) == LHS || EI->getOperand(0) == RHS) { // Okay, we can handle this if the vector we are insertinting into is // transitively ok. - if (CollectSingleShuffleElements(VecOp, LHS, RHS, Mask)) { + if (CollectSingleShuffleElements(VecOp, LHS, RHS, Mask, Context)) { // If so, update the mask to reflect the inserted value. if (EI->getOperand(0) == LHS) { Mask[InsertedIdx % NumElts] = - ConstantInt::get(Type::Int32Ty, ExtractedIdx); + Context->getConstantInt(Type::Int32Ty, ExtractedIdx); } else { assert(EI->getOperand(0) == RHS); Mask[InsertedIdx % NumElts] = - ConstantInt::get(Type::Int32Ty, ExtractedIdx+NumElts); + Context->getConstantInt(Type::Int32Ty, ExtractedIdx+NumElts); } return true; @@ -12456,17 +12549,17 @@ static bool CollectSingleShuffleElements(Value *V, Value *LHS, Value *RHS, /// RHS of the shuffle instruction, if it is not null. Return a shuffle mask /// that computes V and the LHS value of the shuffle. static Value *CollectShuffleElements(Value *V, std::vector<Constant*> &Mask, - Value *&RHS) { + Value *&RHS, LLVMContext* Context) { assert(isa<VectorType>(V->getType()) && (RHS == 0 || V->getType() == RHS->getType()) && "Invalid shuffle!"); unsigned NumElts = cast<VectorType>(V->getType())->getNumElements(); if (isa<UndefValue>(V)) { - Mask.assign(NumElts, UndefValue::get(Type::Int32Ty)); + Mask.assign(NumElts, Context->getUndef(Type::Int32Ty)); return V; } else if (isa<ConstantAggregateZero>(V)) { - Mask.assign(NumElts, ConstantInt::get(Type::Int32Ty, 0)); + Mask.assign(NumElts, Context->getConstantInt(Type::Int32Ty, 0)); return V; } else if (InsertElementInst *IEI = dyn_cast<InsertElementInst>(V)) { // If this is an insert of an extract from some other vector, include it. @@ -12485,25 +12578,27 @@ static Value *CollectShuffleElements(Value *V, std::vector<Constant*> &Mask, // otherwise we'd end up with a shuffle of three inputs. if (EI->getOperand(0) == RHS || RHS == 0) { RHS = EI->getOperand(0); - Value *V = CollectShuffleElements(VecOp, Mask, RHS); + Value *V = CollectShuffleElements(VecOp, Mask, RHS, Context); Mask[InsertedIdx % NumElts] = - ConstantInt::get(Type::Int32Ty, NumElts+ExtractedIdx); + Context->getConstantInt(Type::Int32Ty, NumElts+ExtractedIdx); return V; } if (VecOp == RHS) { - Value *V = CollectShuffleElements(EI->getOperand(0), Mask, RHS); + Value *V = CollectShuffleElements(EI->getOperand(0), Mask, + RHS, Context); // Everything but the extracted element is replaced with the RHS. for (unsigned i = 0; i != NumElts; ++i) { if (i != InsertedIdx) - Mask[i] = ConstantInt::get(Type::Int32Ty, NumElts+i); + Mask[i] = Context->getConstantInt(Type::Int32Ty, NumElts+i); } return V; } // If this insertelement is a chain that comes from exactly these two // vectors, return the vector and the effective shuffle. - if (CollectSingleShuffleElements(IEI, EI->getOperand(0), RHS, Mask)) + if (CollectSingleShuffleElements(IEI, EI->getOperand(0), RHS, Mask, + Context)) return EI->getOperand(0); } @@ -12513,7 +12608,7 @@ static Value *CollectShuffleElements(Value *V, std::vector<Constant*> &Mask, // Otherwise, can't do anything fancy. Return an identity vector. for (unsigned i = 0; i != NumElts; ++i) - Mask.push_back(ConstantInt::get(Type::Int32Ty, i)); + Mask.push_back(Context->getConstantInt(Type::Int32Ty, i)); return V; } @@ -12540,7 +12635,7 @@ Instruction *InstCombiner::visitInsertElementInst(InsertElementInst &IE) { return ReplaceInstUsesWith(IE, VecOp); if (InsertedIdx >= NumVectorElts) // Out of range insert. - return ReplaceInstUsesWith(IE, UndefValue::get(IE.getType())); + return ReplaceInstUsesWith(IE, Context->getUndef(IE.getType())); // If we are extracting a value from a vector, then inserting it right // back into the same place, just use the input vector. @@ -12557,15 +12652,16 @@ Instruction *InstCombiner::visitInsertElementInst(InsertElementInst &IE) { // Build a new shuffle mask. std::vector<Constant*> Mask; if (isa<UndefValue>(VecOp)) - Mask.assign(NumVectorElts, UndefValue::get(Type::Int32Ty)); + Mask.assign(NumVectorElts, Context->getUndef(Type::Int32Ty)); else { assert(isa<ConstantAggregateZero>(VecOp) && "Unknown thing"); - Mask.assign(NumVectorElts, ConstantInt::get(Type::Int32Ty, + Mask.assign(NumVectorElts, Context->getConstantInt(Type::Int32Ty, NumVectorElts)); } - Mask[InsertedIdx] = ConstantInt::get(Type::Int32Ty, ExtractedIdx); + Mask[InsertedIdx] = + Context->getConstantInt(Type::Int32Ty, ExtractedIdx); return new ShuffleVectorInst(EI->getOperand(0), VecOp, - ConstantVector::get(Mask)); + Context->getConstantVector(Mask)); } // If this insertelement isn't used by some other insertelement, turn it @@ -12573,10 +12669,11 @@ Instruction *InstCombiner::visitInsertElementInst(InsertElementInst &IE) { if (!IE.hasOneUse() || !isa<InsertElementInst>(IE.use_back())) { std::vector<Constant*> Mask; Value *RHS = 0; - Value *LHS = CollectShuffleElements(&IE, Mask, RHS); - if (RHS == 0) RHS = UndefValue::get(LHS->getType()); + Value *LHS = CollectShuffleElements(&IE, Mask, RHS, Context); + if (RHS == 0) RHS = Context->getUndef(LHS->getType()); // We now have a shuffle of LHS, RHS, Mask. - return new ShuffleVectorInst(LHS, RHS, ConstantVector::get(Mask)); + return new ShuffleVectorInst(LHS, RHS, + Context->getConstantVector(Mask)); } } } @@ -12600,7 +12697,7 @@ Instruction *InstCombiner::visitShuffleVectorInst(ShuffleVectorInst &SVI) { // Undefined shuffle mask -> undefined value. if (isa<UndefValue>(SVI.getOperand(2))) - return ReplaceInstUsesWith(SVI, UndefValue::get(SVI.getType())); + return ReplaceInstUsesWith(SVI, Context->getUndef(SVI.getType())); unsigned VWidth = cast<VectorType>(SVI.getType())->getNumElements(); @@ -12627,21 +12724,21 @@ Instruction *InstCombiner::visitShuffleVectorInst(ShuffleVectorInst &SVI) { std::vector<Constant*> Elts; for (unsigned i = 0, e = Mask.size(); i != e; ++i) { if (Mask[i] >= 2*e) - Elts.push_back(UndefValue::get(Type::Int32Ty)); + Elts.push_back(Context->getUndef(Type::Int32Ty)); else { if ((Mask[i] >= e && isa<UndefValue>(RHS)) || (Mask[i] < e && isa<UndefValue>(LHS))) { Mask[i] = 2*e; // Turn into undef. - Elts.push_back(UndefValue::get(Type::Int32Ty)); + Elts.push_back(Context->getUndef(Type::Int32Ty)); } else { Mask[i] = Mask[i] % e; // Force to LHS. - Elts.push_back(ConstantInt::get(Type::Int32Ty, Mask[i])); + Elts.push_back(Context->getConstantInt(Type::Int32Ty, Mask[i])); } } } SVI.setOperand(0, SVI.getOperand(1)); - SVI.setOperand(1, UndefValue::get(RHS->getType())); - SVI.setOperand(2, ConstantVector::get(Elts)); + SVI.setOperand(1, Context->getUndef(RHS->getType())); + SVI.setOperand(2, Context->getConstantVector(Elts)); LHS = SVI.getOperand(0); RHS = SVI.getOperand(1); MadeChange = true; @@ -12691,14 +12788,14 @@ Instruction *InstCombiner::visitShuffleVectorInst(ShuffleVectorInst &SVI) { std::vector<Constant*> Elts; for (unsigned i = 0, e = NewMask.size(); i != e; ++i) { if (NewMask[i] >= LHSInNElts*2) { - Elts.push_back(UndefValue::get(Type::Int32Ty)); + Elts.push_back(Context->getUndef(Type::Int32Ty)); } else { - Elts.push_back(ConstantInt::get(Type::Int32Ty, NewMask[i])); + Elts.push_back(Context->getConstantInt(Type::Int32Ty, NewMask[i])); } } return new ShuffleVectorInst(LHSSVI->getOperand(0), LHSSVI->getOperand(1), - ConstantVector::get(Elts)); + Context->getConstantVector(Elts)); } } } @@ -12868,7 +12965,7 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) { Changed = true; } if (!I->use_empty()) - I->replaceAllUsesWith(UndefValue::get(I->getType())); + I->replaceAllUsesWith(Context->getUndef(I->getType())); I->eraseFromParent(); } } |
