diff options
author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
---|---|---|
committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
commit | cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch) | |
tree | b21f6de4e08b89bb7931806bab798fc2a5e3a686 /lib/ExecutionEngine/Interpreter/Execution.cpp | |
parent | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff) | |
download | FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz |
Update llvm to r84119.
Diffstat (limited to 'lib/ExecutionEngine/Interpreter/Execution.cpp')
-rw-r--r-- | lib/ExecutionEngine/Interpreter/Execution.cpp | 188 |
1 files changed, 89 insertions, 99 deletions
diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp index bb3f64e..f8c775e 100644 --- a/lib/ExecutionEngine/Interpreter/Execution.cpp +++ b/lib/ExecutionEngine/Interpreter/Execution.cpp @@ -22,10 +22,10 @@ #include "llvm/ADT/Statistic.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" +#include "llvm/Support/ErrorHandling.h" #include "llvm/Support/MathExtras.h" #include <algorithm> #include <cmath> -#include <cstring> using namespace llvm; STATISTIC(NumDynamicInsts, "Number of dynamic instructions executed"); @@ -37,15 +37,6 @@ static cl::opt<bool> PrintVolatile("interpreter-print-volatile", cl::Hidden, // Various Helper Functions //===----------------------------------------------------------------------===// -static inline uint64_t doSignExtension(uint64_t Val, const IntegerType* ITy) { - // Determine if the value is signed or not - bool isSigned = (Val & (1 << (ITy->getBitWidth()-1))) != 0; - // If its signed, extend the sign bits - if (isSigned) - Val |= ~ITy->getBitMask(); - return Val; -} - static void SetValue(Value *V, GenericValue Val, ExecutionContext &SF) { SF.Values[V] = Val; } @@ -65,8 +56,8 @@ static void executeFAddInst(GenericValue &Dest, GenericValue Src1, IMPLEMENT_BINARY_OPERATOR(+, Float); IMPLEMENT_BINARY_OPERATOR(+, Double); default: - cerr << "Unhandled type for FAdd instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FAdd instruction: " << *Ty << "\n"; + llvm_unreachable(0); } } @@ -76,8 +67,8 @@ static void executeFSubInst(GenericValue &Dest, GenericValue Src1, IMPLEMENT_BINARY_OPERATOR(-, Float); IMPLEMENT_BINARY_OPERATOR(-, Double); default: - cerr << "Unhandled type for FSub instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FSub instruction: " << *Ty << "\n"; + llvm_unreachable(0); } } @@ -87,8 +78,8 @@ static void executeFMulInst(GenericValue &Dest, GenericValue Src1, IMPLEMENT_BINARY_OPERATOR(*, Float); IMPLEMENT_BINARY_OPERATOR(*, Double); default: - cerr << "Unhandled type for FMul instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FMul instruction: " << *Ty << "\n"; + llvm_unreachable(0); } } @@ -98,8 +89,8 @@ static void executeFDivInst(GenericValue &Dest, GenericValue Src1, IMPLEMENT_BINARY_OPERATOR(/, Float); IMPLEMENT_BINARY_OPERATOR(/, Double); default: - cerr << "Unhandled type for FDiv instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FDiv instruction: " << *Ty << "\n"; + llvm_unreachable(0); } } @@ -113,8 +104,8 @@ static void executeFRemInst(GenericValue &Dest, GenericValue Src1, Dest.DoubleVal = fmod(Src1.DoubleVal, Src2.DoubleVal); break; default: - cerr << "Unhandled type for Rem instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for Rem instruction: " << *Ty << "\n"; + llvm_unreachable(0); } } @@ -140,8 +131,8 @@ static GenericValue executeICMP_EQ(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(eq,Ty); IMPLEMENT_POINTER_ICMP(==); default: - cerr << "Unhandled type for ICMP_EQ predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_EQ predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -153,8 +144,8 @@ static GenericValue executeICMP_NE(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(ne,Ty); IMPLEMENT_POINTER_ICMP(!=); default: - cerr << "Unhandled type for ICMP_NE predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_NE predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -166,8 +157,8 @@ static GenericValue executeICMP_ULT(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(ult,Ty); IMPLEMENT_POINTER_ICMP(<); default: - cerr << "Unhandled type for ICMP_ULT predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_ULT predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -179,8 +170,8 @@ static GenericValue executeICMP_SLT(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(slt,Ty); IMPLEMENT_POINTER_ICMP(<); default: - cerr << "Unhandled type for ICMP_SLT predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_SLT predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -192,8 +183,8 @@ static GenericValue executeICMP_UGT(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(ugt,Ty); IMPLEMENT_POINTER_ICMP(>); default: - cerr << "Unhandled type for ICMP_UGT predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_UGT predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -205,8 +196,8 @@ static GenericValue executeICMP_SGT(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(sgt,Ty); IMPLEMENT_POINTER_ICMP(>); default: - cerr << "Unhandled type for ICMP_SGT predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_SGT predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -218,8 +209,8 @@ static GenericValue executeICMP_ULE(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(ule,Ty); IMPLEMENT_POINTER_ICMP(<=); default: - cerr << "Unhandled type for ICMP_ULE predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_ULE predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -231,8 +222,8 @@ static GenericValue executeICMP_SLE(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(sle,Ty); IMPLEMENT_POINTER_ICMP(<=); default: - cerr << "Unhandled type for ICMP_SLE predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_SLE predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -244,8 +235,8 @@ static GenericValue executeICMP_UGE(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(uge,Ty); IMPLEMENT_POINTER_ICMP(>=); default: - cerr << "Unhandled type for ICMP_UGE predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_UGE predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -257,8 +248,8 @@ static GenericValue executeICMP_SGE(GenericValue Src1, GenericValue Src2, IMPLEMENT_INTEGER_ICMP(sge,Ty); IMPLEMENT_POINTER_ICMP(>=); default: - cerr << "Unhandled type for ICMP_SGE predicate: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for ICMP_SGE predicate: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -282,8 +273,8 @@ void Interpreter::visitICmpInst(ICmpInst &I) { case ICmpInst::ICMP_UGE: R = executeICMP_UGE(Src1, Src2, Ty); break; case ICmpInst::ICMP_SGE: R = executeICMP_SGE(Src1, Src2, Ty); break; default: - cerr << "Don't know how to handle this ICmp predicate!\n-->" << I; - abort(); + errs() << "Don't know how to handle this ICmp predicate!\n-->" << I; + llvm_unreachable(0); } SetValue(&I, R, SF); @@ -301,8 +292,8 @@ static GenericValue executeFCMP_OEQ(GenericValue Src1, GenericValue Src2, IMPLEMENT_FCMP(==, Float); IMPLEMENT_FCMP(==, Double); default: - cerr << "Unhandled type for FCmp EQ instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FCmp EQ instruction: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -315,8 +306,8 @@ static GenericValue executeFCMP_ONE(GenericValue Src1, GenericValue Src2, IMPLEMENT_FCMP(!=, Double); default: - cerr << "Unhandled type for FCmp NE instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FCmp NE instruction: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -328,8 +319,8 @@ static GenericValue executeFCMP_OLE(GenericValue Src1, GenericValue Src2, IMPLEMENT_FCMP(<=, Float); IMPLEMENT_FCMP(<=, Double); default: - cerr << "Unhandled type for FCmp LE instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FCmp LE instruction: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -341,8 +332,8 @@ static GenericValue executeFCMP_OGE(GenericValue Src1, GenericValue Src2, IMPLEMENT_FCMP(>=, Float); IMPLEMENT_FCMP(>=, Double); default: - cerr << "Unhandled type for FCmp GE instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FCmp GE instruction: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -354,8 +345,8 @@ static GenericValue executeFCMP_OLT(GenericValue Src1, GenericValue Src2, IMPLEMENT_FCMP(<, Float); IMPLEMENT_FCMP(<, Double); default: - cerr << "Unhandled type for FCmp LT instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FCmp LT instruction: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } @@ -367,14 +358,14 @@ static GenericValue executeFCMP_OGT(GenericValue Src1, GenericValue Src2, IMPLEMENT_FCMP(>, Float); IMPLEMENT_FCMP(>, Double); default: - cerr << "Unhandled type for FCmp GT instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled type for FCmp GT instruction: " << *Ty << "\n"; + llvm_unreachable(0); } return Dest; } #define IMPLEMENT_UNORDERED(TY, X,Y) \ - if (TY == Type::FloatTy) { \ + if (TY->isFloatTy()) { \ if (X.FloatVal != X.FloatVal || Y.FloatVal != Y.FloatVal) { \ Dest.IntVal = APInt(1,true); \ return Dest; \ @@ -430,7 +421,7 @@ static GenericValue executeFCMP_UGT(GenericValue Src1, GenericValue Src2, static GenericValue executeFCMP_ORD(GenericValue Src1, GenericValue Src2, const Type *Ty) { GenericValue Dest; - if (Ty == Type::FloatTy) + if (Ty->isFloatTy()) Dest.IntVal = APInt(1,(Src1.FloatVal == Src1.FloatVal && Src2.FloatVal == Src2.FloatVal)); else @@ -442,7 +433,7 @@ static GenericValue executeFCMP_ORD(GenericValue Src1, GenericValue Src2, static GenericValue executeFCMP_UNO(GenericValue Src1, GenericValue Src2, const Type *Ty) { GenericValue Dest; - if (Ty == Type::FloatTy) + if (Ty->isFloatTy()) Dest.IntVal = APInt(1,(Src1.FloatVal != Src1.FloatVal || Src2.FloatVal != Src2.FloatVal)); else @@ -476,8 +467,8 @@ void Interpreter::visitFCmpInst(FCmpInst &I) { case FCmpInst::FCMP_UGE: R = executeFCMP_UGE(Src1, Src2, Ty); break; case FCmpInst::FCMP_OGE: R = executeFCMP_OGE(Src1, Src2, Ty); break; default: - cerr << "Don't know how to handle this FCmp predicate!\n-->" << I; - abort(); + errs() << "Don't know how to handle this FCmp predicate!\n-->" << I; + llvm_unreachable(0); } SetValue(&I, R, SF); @@ -522,8 +513,8 @@ static GenericValue executeCmpInst(unsigned predicate, GenericValue Src1, return Result; } default: - cerr << "Unhandled Cmp predicate\n"; - abort(); + errs() << "Unhandled Cmp predicate\n"; + llvm_unreachable(0); } } @@ -551,8 +542,8 @@ void Interpreter::visitBinaryOperator(BinaryOperator &I) { case Instruction::Or: R.IntVal = Src1.IntVal | Src2.IntVal; break; case Instruction::Xor: R.IntVal = Src1.IntVal ^ Src2.IntVal; break; default: - cerr << "Don't know how to handle this binary operator!\n-->" << I; - abort(); + errs() << "Don't know how to handle this binary operator!\n-->" << I; + llvm_unreachable(0); } SetValue(&I, R, SF); @@ -610,7 +601,8 @@ void Interpreter::popStackAndReturnValueToCaller (const Type *RetTy, // fill in the return value... ExecutionContext &CallingSF = ECStack.back(); if (Instruction *I = CallingSF.Caller.getInstruction()) { - if (CallingSF.Caller.getType() != Type::VoidTy) // Save result... + // Save result... + if (CallingSF.Caller.getType() != Type::getVoidTy(RetTy->getContext())) SetValue(I, Result, CallingSF); if (InvokeInst *II = dyn_cast<InvokeInst> (I)) SwitchToNewBasicBlock (II->getNormalDest (), CallingSF); @@ -621,7 +613,7 @@ void Interpreter::popStackAndReturnValueToCaller (const Type *RetTy, void Interpreter::visitReturnInst(ReturnInst &I) { ExecutionContext &SF = ECStack.back(); - const Type *RetTy = Type::VoidTy; + const Type *RetTy = Type::getVoidTy(I.getContext()); GenericValue Result; // Save away the return value... (if we are not 'ret void') @@ -639,7 +631,7 @@ void Interpreter::visitUnwindInst(UnwindInst &I) { do { ECStack.pop_back (); if (ECStack.empty ()) - abort (); + llvm_report_error("Empty stack during unwind!"); Inst = ECStack.back ().Caller.getInstruction (); } while (!(Inst && isa<InvokeInst> (Inst))); @@ -652,8 +644,7 @@ void Interpreter::visitUnwindInst(UnwindInst &I) { } void Interpreter::visitUnreachableInst(UnreachableInst &I) { - cerr << "ERROR: Program executed an 'unreachable' instruction!\n"; - abort(); + llvm_report_error("Program executed an 'unreachable' instruction!"); } void Interpreter::visitBranchInst(BranchInst &I) { @@ -746,9 +737,9 @@ void Interpreter::visitAllocationInst(AllocationInst &I) { // Allocate enough memory to hold the type... void *Memory = malloc(MemToAlloc); - DOUT << "Allocated Type: " << *Ty << " (" << TypeSize << " bytes) x " - << NumElements << " (Total: " << MemToAlloc << ") at " - << uintptr_t(Memory) << '\n'; + DEBUG(errs() << "Allocated Type: " << *Ty << " (" << TypeSize << " bytes) x " + << NumElements << " (Total: " << MemToAlloc << ") at " + << uintptr_t(Memory) << '\n'); GenericValue Result = PTOGV(Memory); assert(Result.PointerVal != 0 && "Null pointer returned by malloc!"); @@ -804,7 +795,7 @@ GenericValue Interpreter::executeGEPOperation(Value *Ptr, gep_type_iterator I, GenericValue Result; Result.PointerVal = ((char*)getOperandValue(Ptr, SF).PointerVal) + Total; - DOUT << "GEP Index " << Total << " bytes.\n"; + DEBUG(errs() << "GEP Index " << Total << " bytes.\n"); return Result; } @@ -822,7 +813,7 @@ void Interpreter::visitLoadInst(LoadInst &I) { LoadValueFromMemory(Result, Ptr, I.getType()); SetValue(&I, Result, SF); if (I.isVolatile() && PrintVolatile) - cerr << "Volatile load " << I; + errs() << "Volatile load " << I; } void Interpreter::visitStoreInst(StoreInst &I) { @@ -832,7 +823,7 @@ void Interpreter::visitStoreInst(StoreInst &I) { StoreValueToMemory(Val, (GenericValue *)GVTOP(SRC), I.getOperand(0)->getType()); if (I.isVolatile() && PrintVolatile) - cerr << "Volatile store: " << I; + errs() << "Volatile store: " << I; } //===----------------------------------------------------------------------===// @@ -979,7 +970,7 @@ GenericValue Interpreter::executeZExtInst(Value *SrcVal, const Type *DstTy, GenericValue Interpreter::executeFPTruncInst(Value *SrcVal, const Type *DstTy, ExecutionContext &SF) { GenericValue Dest, Src = getOperandValue(SrcVal, SF); - assert(SrcVal->getType() == Type::DoubleTy && DstTy == Type::FloatTy && + assert(SrcVal->getType()->isDoubleTy() && DstTy->isFloatTy() && "Invalid FPTrunc instruction"); Dest.FloatVal = (float) Src.DoubleVal; return Dest; @@ -988,7 +979,7 @@ GenericValue Interpreter::executeFPTruncInst(Value *SrcVal, const Type *DstTy, GenericValue Interpreter::executeFPExtInst(Value *SrcVal, const Type *DstTy, ExecutionContext &SF) { GenericValue Dest, Src = getOperandValue(SrcVal, SF); - assert(SrcVal->getType() == Type::FloatTy && DstTy == Type::DoubleTy && + assert(SrcVal->getType()->isFloatTy() && DstTy->isDoubleTy() && "Invalid FPTrunc instruction"); Dest.DoubleVal = (double) Src.FloatVal; return Dest; @@ -1079,28 +1070,28 @@ GenericValue Interpreter::executeBitCastInst(Value *SrcVal, const Type *DstTy, assert(isa<PointerType>(SrcTy) && "Invalid BitCast"); Dest.PointerVal = Src.PointerVal; } else if (DstTy->isInteger()) { - if (SrcTy == Type::FloatTy) { + if (SrcTy->isFloatTy()) { Dest.IntVal.zext(sizeof(Src.FloatVal) * CHAR_BIT); Dest.IntVal.floatToBits(Src.FloatVal); - } else if (SrcTy == Type::DoubleTy) { + } else if (SrcTy->isDoubleTy()) { Dest.IntVal.zext(sizeof(Src.DoubleVal) * CHAR_BIT); Dest.IntVal.doubleToBits(Src.DoubleVal); } else if (SrcTy->isInteger()) { Dest.IntVal = Src.IntVal; } else - assert(0 && "Invalid BitCast"); - } else if (DstTy == Type::FloatTy) { + llvm_unreachable("Invalid BitCast"); + } else if (DstTy->isFloatTy()) { if (SrcTy->isInteger()) Dest.FloatVal = Src.IntVal.bitsToFloat(); else Dest.FloatVal = Src.FloatVal; - } else if (DstTy == Type::DoubleTy) { + } else if (DstTy->isDoubleTy()) { if (SrcTy->isInteger()) Dest.DoubleVal = Src.IntVal.bitsToDouble(); else Dest.DoubleVal = Src.DoubleVal; } else - assert(0 && "Invalid Bitcast"); + llvm_unreachable("Invalid Bitcast"); return Dest; } @@ -1184,8 +1175,8 @@ void Interpreter::visitVAArgInst(VAArgInst &I) { IMPLEMENT_VAARG(Float); IMPLEMENT_VAARG(Double); default: - cerr << "Unhandled dest type for vaarg instruction: " << *Ty << "\n"; - abort(); + errs() << "Unhandled dest type for vaarg instruction: " << *Ty << "\n"; + llvm_unreachable(0); } // Set the Value of this Instruction. @@ -1271,8 +1262,8 @@ GenericValue Interpreter::getConstantExprValue (ConstantExpr *CE, Dest.IntVal = Op0.IntVal.ashr(Op1.IntVal.getZExtValue()); break; default: - cerr << "Unhandled ConstantExpr: " << *CE << "\n"; - abort(); + errs() << "Unhandled ConstantExpr: " << *CE << "\n"; + llvm_unreachable(0); return GenericValue(); } return Dest; @@ -1344,30 +1335,29 @@ void Interpreter::run() { // Track the number of dynamic instructions executed. ++NumDynamicInsts; - DOUT << "About to interpret: " << I; + DEBUG(errs() << "About to interpret: " << I); visit(I); // Dispatch to one of the visit* methods... #if 0 // This is not safe, as visiting the instruction could lower it and free I. -#ifndef NDEBUG +DEBUG( if (!isa<CallInst>(I) && !isa<InvokeInst>(I) && I.getType() != Type::VoidTy) { - DOUT << " --> "; + errs() << " --> "; const GenericValue &Val = SF.Values[&I]; switch (I.getType()->getTypeID()) { - default: assert(0 && "Invalid GenericValue Type"); - case Type::VoidTyID: DOUT << "void"; break; - case Type::FloatTyID: DOUT << "float " << Val.FloatVal; break; - case Type::DoubleTyID: DOUT << "double " << Val.DoubleVal; break; - case Type::PointerTyID: DOUT << "void* " << intptr_t(Val.PointerVal); + default: llvm_unreachable("Invalid GenericValue Type"); + case Type::VoidTyID: errs() << "void"; break; + case Type::FloatTyID: errs() << "float " << Val.FloatVal; break; + case Type::DoubleTyID: errs() << "double " << Val.DoubleVal; break; + case Type::PointerTyID: errs() << "void* " << intptr_t(Val.PointerVal); break; case Type::IntegerTyID: - DOUT << "i" << Val.IntVal.getBitWidth() << " " - << Val.IntVal.toStringUnsigned(10) - << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n"; + errs() << "i" << Val.IntVal.getBitWidth() << " " + << Val.IntVal.toStringUnsigned(10) + << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n"; break; } - } -#endif + }); #endif } } |