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-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp697
1 files changed, 299 insertions, 398 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 3fbf7c2..ce40cd6 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -12,51 +12,51 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "isel"
-#include "SDNodeDbgValue.h"
#include "SelectionDAGBuilder.h"
+#include "SDNodeDbgValue.h"
#include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/ValueTracking.h"
-#include "llvm/Constants.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DebugInfo.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/InlineAsm.h"
-#include "llvm/Instructions.h"
-#include "llvm/Intrinsics.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
-#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/CodeGen/GCMetadata.h"
-#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/DataLayout.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/Intrinsics.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/IntegersSubsetMapping.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetIntrinsicInfo.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/IntegersSubsetMapping.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
#include <algorithm>
using namespace llvm;
@@ -89,7 +89,7 @@ static const unsigned MaxParallelChains = 64;
static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
const SDValue *Parts, unsigned NumParts,
- EVT PartVT, EVT ValueVT, const Value *V);
+ MVT PartVT, EVT ValueVT, const Value *V);
/// getCopyFromParts - Create a value that contains the specified legal parts
/// combined into the value they represent. If the parts combine to a type
@@ -98,7 +98,7 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
/// (ISD::AssertSext).
static SDValue getCopyFromParts(SelectionDAG &DAG, DebugLoc DL,
const SDValue *Parts,
- unsigned NumParts, EVT PartVT, EVT ValueVT,
+ unsigned NumParts, MVT PartVT, EVT ValueVT,
const Value *V,
ISD::NodeType AssertOp = ISD::DELETED_NODE) {
if (ValueVT.isVector())
@@ -161,7 +161,7 @@ static SDValue getCopyFromParts(SelectionDAG &DAG, DebugLoc DL,
}
} else if (PartVT.isFloatingPoint()) {
// FP split into multiple FP parts (for ppcf128)
- assert(ValueVT == EVT(MVT::ppcf128) && PartVT == EVT(MVT::f64) &&
+ assert(ValueVT == EVT(MVT::ppcf128) && PartVT == MVT::f64 &&
"Unexpected split");
SDValue Lo, Hi;
Lo = DAG.getNode(ISD::BITCAST, DL, EVT(MVT::f64), Parts[0]);
@@ -179,25 +179,25 @@ static SDValue getCopyFromParts(SelectionDAG &DAG, DebugLoc DL,
}
// There is now one part, held in Val. Correct it to match ValueVT.
- PartVT = Val.getValueType();
+ EVT PartEVT = Val.getValueType();
- if (PartVT == ValueVT)
+ if (PartEVT == ValueVT)
return Val;
- if (PartVT.isInteger() && ValueVT.isInteger()) {
- if (ValueVT.bitsLT(PartVT)) {
+ if (PartEVT.isInteger() && ValueVT.isInteger()) {
+ if (ValueVT.bitsLT(PartEVT)) {
// For a truncate, see if we have any information to
// indicate whether the truncated bits will always be
// zero or sign-extension.
if (AssertOp != ISD::DELETED_NODE)
- Val = DAG.getNode(AssertOp, DL, PartVT, Val,
+ Val = DAG.getNode(AssertOp, DL, PartEVT, Val,
DAG.getValueType(ValueVT));
return DAG.getNode(ISD::TRUNCATE, DL, ValueVT, Val);
}
return DAG.getNode(ISD::ANY_EXTEND, DL, ValueVT, Val);
}
- if (PartVT.isFloatingPoint() && ValueVT.isFloatingPoint()) {
+ if (PartEVT.isFloatingPoint() && ValueVT.isFloatingPoint()) {
// FP_ROUND's are always exact here.
if (ValueVT.bitsLT(Val.getValueType()))
return DAG.getNode(ISD::FP_ROUND, DL, ValueVT, Val,
@@ -206,7 +206,7 @@ static SDValue getCopyFromParts(SelectionDAG &DAG, DebugLoc DL,
return DAG.getNode(ISD::FP_EXTEND, DL, ValueVT, Val);
}
- if (PartVT.getSizeInBits() == ValueVT.getSizeInBits())
+ if (PartEVT.getSizeInBits() == ValueVT.getSizeInBits())
return DAG.getNode(ISD::BITCAST, DL, ValueVT, Val);
llvm_unreachable("Unknown mismatch!");
@@ -219,7 +219,7 @@ static SDValue getCopyFromParts(SelectionDAG &DAG, DebugLoc DL,
/// ValueVT (ISD::AssertSext).
static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
const SDValue *Parts, unsigned NumParts,
- EVT PartVT, EVT ValueVT, const Value *V) {
+ MVT PartVT, EVT ValueVT, const Value *V) {
assert(ValueVT.isVector() && "Not a vector value");
assert(NumParts > 0 && "No parts to assemble!");
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
@@ -227,7 +227,8 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
// Handle a multi-element vector.
if (NumParts > 1) {
- EVT IntermediateVT, RegisterVT;
+ EVT IntermediateVT;
+ MVT RegisterVT;
unsigned NumIntermediates;
unsigned NumRegs =
TLI.getVectorTypeBreakdown(*DAG.getContext(), ValueVT, IntermediateVT,
@@ -235,7 +236,7 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
assert(NumRegs == NumParts && "Part count doesn't match vector breakdown!");
NumParts = NumRegs; // Silence a compiler warning.
assert(RegisterVT == PartVT && "Part type doesn't match vector breakdown!");
- assert(RegisterVT == Parts[0].getValueType() &&
+ assert(RegisterVT == Parts[0].getSimpleValueType() &&
"Part type doesn't match part!");
// Assemble the parts into intermediate operands.
@@ -265,31 +266,31 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
}
// There is now one part, held in Val. Correct it to match ValueVT.
- PartVT = Val.getValueType();
+ EVT PartEVT = Val.getValueType();
- if (PartVT == ValueVT)
+ if (PartEVT == ValueVT)
return Val;
- if (PartVT.isVector()) {
+ if (PartEVT.isVector()) {
// If the element type of the source/dest vectors are the same, but the
// parts vector has more elements than the value vector, then we have a
// vector widening case (e.g. <2 x float> -> <4 x float>). Extract the
// elements we want.
- if (PartVT.getVectorElementType() == ValueVT.getVectorElementType()) {
- assert(PartVT.getVectorNumElements() > ValueVT.getVectorNumElements() &&
+ if (PartEVT.getVectorElementType() == ValueVT.getVectorElementType()) {
+ assert(PartEVT.getVectorNumElements() > ValueVT.getVectorNumElements() &&
"Cannot narrow, it would be a lossy transformation");
return DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, ValueVT, Val,
DAG.getIntPtrConstant(0));
}
// Vector/Vector bitcast.
- if (ValueVT.getSizeInBits() == PartVT.getSizeInBits())
+ if (ValueVT.getSizeInBits() == PartEVT.getSizeInBits())
return DAG.getNode(ISD::BITCAST, DL, ValueVT, Val);
- assert(PartVT.getVectorNumElements() == ValueVT.getVectorNumElements() &&
+ assert(PartEVT.getVectorNumElements() == ValueVT.getVectorNumElements() &&
"Cannot handle this kind of promotion");
// Promoted vector extract
- bool Smaller = ValueVT.bitsLE(PartVT);
+ bool Smaller = ValueVT.bitsLE(PartEVT);
return DAG.getNode((Smaller ? ISD::TRUNCATE : ISD::ANY_EXTEND),
DL, ValueVT, Val);
@@ -297,7 +298,7 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
// Trivial bitcast if the types are the same size and the destination
// vector type is legal.
- if (PartVT.getSizeInBits() == ValueVT.getSizeInBits() &&
+ if (PartEVT.getSizeInBits() == ValueVT.getSizeInBits() &&
TLI.isTypeLegal(ValueVT))
return DAG.getNode(ISD::BITCAST, DL, ValueVT, Val);
@@ -317,8 +318,8 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
}
if (ValueVT.getVectorNumElements() == 1 &&
- ValueVT.getVectorElementType() != PartVT) {
- bool Smaller = ValueVT.bitsLE(PartVT);
+ ValueVT.getVectorElementType() != PartEVT) {
+ bool Smaller = ValueVT.bitsLE(PartEVT);
Val = DAG.getNode((Smaller ? ISD::TRUNCATE : ISD::ANY_EXTEND),
DL, ValueVT.getScalarType(), Val);
}
@@ -328,14 +329,14 @@ static SDValue getCopyFromPartsVector(SelectionDAG &DAG, DebugLoc DL,
static void getCopyToPartsVector(SelectionDAG &DAG, DebugLoc dl,
SDValue Val, SDValue *Parts, unsigned NumParts,
- EVT PartVT, const Value *V);
+ MVT PartVT, const Value *V);
/// getCopyToParts - Create a series of nodes that contain the specified value
/// split into legal parts. If the parts contain more bits than Val, then, for
/// integers, ExtendKind can be used to specify how to generate the extra bits.
static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL,
SDValue Val, SDValue *Parts, unsigned NumParts,
- EVT PartVT, const Value *V,
+ MVT PartVT, const Value *V,
ISD::NodeType ExtendKind = ISD::ANY_EXTEND) {
EVT ValueVT = Val.getValueType();
@@ -352,7 +353,8 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL,
return;
assert(!ValueVT.isVector() && "Vector case handled elsewhere");
- if (PartVT == ValueVT) {
+ EVT PartEVT = PartVT;
+ if (PartEVT == ValueVT) {
assert(NumParts == 1 && "No-op copy with multiple parts!");
Parts[0] = Val;
return;
@@ -374,7 +376,7 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL,
}
} else if (PartBits == ValueVT.getSizeInBits()) {
// Different types of the same size.
- assert(NumParts == 1 && PartVT != ValueVT);
+ assert(NumParts == 1 && PartEVT != ValueVT);
Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val);
} else if (NumParts * PartBits < ValueVT.getSizeInBits()) {
// If the parts cover less bits than value has, truncate the value.
@@ -393,7 +395,7 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL,
"Failed to tile the value with PartVT!");
if (NumParts == 1) {
- if (PartVT != ValueVT) {
+ if (PartEVT != ValueVT) {
LLVMContext &Ctx = *DAG.getContext();
Twine ErrMsg("scalar-to-vector conversion failed");
if (const Instruction *I = dyn_cast_or_null<Instruction>(V)) {
@@ -466,20 +468,21 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL,
/// value split into legal parts.
static void getCopyToPartsVector(SelectionDAG &DAG, DebugLoc DL,
SDValue Val, SDValue *Parts, unsigned NumParts,
- EVT PartVT, const Value *V) {
+ MVT PartVT, const Value *V) {
EVT ValueVT = Val.getValueType();
assert(ValueVT.isVector() && "Not a vector");
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
if (NumParts == 1) {
- if (PartVT == ValueVT) {
+ EVT PartEVT = PartVT;
+ if (PartEVT == ValueVT) {
// Nothing to do.
} else if (PartVT.getSizeInBits() == ValueVT.getSizeInBits()) {
// Bitconvert vector->vector case.
Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val);
} else if (PartVT.isVector() &&
- PartVT.getVectorElementType() == ValueVT.getVectorElementType() &&
- PartVT.getVectorNumElements() > ValueVT.getVectorNumElements()) {
+ PartEVT.getVectorElementType() == ValueVT.getVectorElementType() &&
+ PartEVT.getVectorNumElements() > ValueVT.getVectorNumElements()) {
EVT ElementVT = PartVT.getVectorElementType();
// Vector widening case, e.g. <2 x float> -> <4 x float>. Shuffle in
// undef elements.
@@ -499,12 +502,12 @@ static void getCopyToPartsVector(SelectionDAG &DAG, DebugLoc DL,
//SDValue UndefElts = DAG.getUNDEF(VectorTy);
//Val = DAG.getNode(ISD::CONCAT_VECTORS, DL, PartVT, Val, UndefElts);
} else if (PartVT.isVector() &&
- PartVT.getVectorElementType().bitsGE(
+ PartEVT.getVectorElementType().bitsGE(
ValueVT.getVectorElementType()) &&
- PartVT.getVectorNumElements() == ValueVT.getVectorNumElements()) {
+ PartEVT.getVectorNumElements() == ValueVT.getVectorNumElements()) {
// Promoted vector extract
- bool Smaller = PartVT.bitsLE(ValueVT);
+ bool Smaller = PartEVT.bitsLE(ValueVT);
Val = DAG.getNode((Smaller ? ISD::TRUNCATE : ISD::ANY_EXTEND),
DL, PartVT, Val);
} else{
@@ -524,7 +527,8 @@ static void getCopyToPartsVector(SelectionDAG &DAG, DebugLoc DL,
}
// Handle a multi-element vector.
- EVT IntermediateVT, RegisterVT;
+ EVT IntermediateVT;
+ MVT RegisterVT;
unsigned NumIntermediates;
unsigned NumRegs = TLI.getVectorTypeBreakdown(*DAG.getContext(), ValueVT,
IntermediateVT,
@@ -589,7 +593,7 @@ namespace {
/// getRegisterType member function, however when with physical registers
/// it is necessary to have a separate record of the types.
///
- SmallVector<EVT, 4> RegVTs;
+ SmallVector<MVT, 4> RegVTs;
/// Regs - This list holds the registers assigned to the values.
/// Each legal or promoted value requires one register, and each
@@ -600,7 +604,7 @@ namespace {
RegsForValue() {}
RegsForValue(const SmallVector<unsigned, 4> &regs,
- EVT regvt, EVT valuevt)
+ MVT regvt, EVT valuevt)
: ValueVTs(1, valuevt), RegVTs(1, regvt), Regs(regs) {}
RegsForValue(LLVMContext &Context, const TargetLowering &tli,
@@ -610,7 +614,7 @@ namespace {
for (unsigned Value = 0, e = ValueVTs.size(); Value != e; ++Value) {
EVT ValueVT = ValueVTs[Value];
unsigned NumRegs = tli.getNumRegisters(Context, ValueVT);
- EVT RegisterVT = tli.getRegisterType(Context, ValueVT);
+ MVT RegisterVT = tli.getRegisterType(Context, ValueVT);
for (unsigned i = 0; i != NumRegs; ++i)
Regs.push_back(Reg + i);
RegVTs.push_back(RegisterVT);
@@ -621,7 +625,7 @@ namespace {
/// areValueTypesLegal - Return true if types of all the values are legal.
bool areValueTypesLegal(const TargetLowering &TLI) {
for (unsigned Value = 0, e = ValueVTs.size(); Value != e; ++Value) {
- EVT RegisterVT = RegVTs[Value];
+ MVT RegisterVT = RegVTs[Value];
if (!TLI.isTypeLegal(RegisterVT))
return false;
}
@@ -683,7 +687,7 @@ SDValue RegsForValue::getCopyFromRegs(SelectionDAG &DAG,
// Copy the legal parts from the registers.
EVT ValueVT = ValueVTs[Value];
unsigned NumRegs = TLI.getNumRegisters(*DAG.getContext(), ValueVT);
- EVT RegisterVT = RegVTs[Value];
+ MVT RegisterVT = RegVTs[Value];
Parts.resize(NumRegs);
for (unsigned i = 0; i != NumRegs; ++i) {
@@ -768,10 +772,12 @@ void RegsForValue::getCopyToRegs(SDValue Val, SelectionDAG &DAG, DebugLoc dl,
for (unsigned Value = 0, Part = 0, e = ValueVTs.size(); Value != e; ++Value) {
EVT ValueVT = ValueVTs[Value];
unsigned NumParts = TLI.getNumRegisters(*DAG.getContext(), ValueVT);
- EVT RegisterVT = RegVTs[Value];
+ MVT RegisterVT = RegVTs[Value];
+ ISD::NodeType ExtendKind =
+ TLI.isZExtFree(Val, RegisterVT)? ISD::ZERO_EXTEND: ISD::ANY_EXTEND;
getCopyToParts(DAG, dl, Val.getValue(Val.getResNo() + Value),
- &Parts[Part], NumParts, RegisterVT, V);
+ &Parts[Part], NumParts, RegisterVT, V, ExtendKind);
Part += NumParts;
}
@@ -834,7 +840,7 @@ void RegsForValue::AddInlineAsmOperands(unsigned Code, bool HasMatching,
for (unsigned Value = 0, Reg = 0, e = ValueVTs.size(); Value != e; ++Value) {
unsigned NumRegs = TLI.getNumRegisters(*DAG.getContext(), ValueVTs[Value]);
- EVT RegisterVT = RegVTs[Value];
+ MVT RegisterVT = RegVTs[Value];
for (unsigned i = 0; i != NumRegs; ++i) {
assert(Reg < Regs.size() && "Mismatch in # registers expected");
Ops.push_back(DAG.getRegister(Regs[Reg++], RegisterVT));
@@ -967,7 +973,7 @@ void SelectionDAGBuilder::visit(unsigned Opcode, const User &I) {
// Build the switch statement using the Instruction.def file.
#define HANDLE_INST(NUM, OPCODE, CLASS) \
case Instruction::OPCODE: visit##OPCODE((const CLASS&)I); break;
-#include "llvm/Instruction.def"
+#include "llvm/IR/Instruction.def"
}
// Assign the ordering to the freshly created DAG nodes.
@@ -1227,16 +1233,18 @@ void SelectionDAGBuilder::visitRet(const ReturnInst &I) {
ISD::NodeType ExtendKind = ISD::ANY_EXTEND;
const Function *F = I.getParent()->getParent();
- if (F->getRetAttributes().hasAttribute(Attributes::SExt))
+ if (F->getAttributes().hasAttribute(AttributeSet::ReturnIndex,
+ Attribute::SExt))
ExtendKind = ISD::SIGN_EXTEND;
- else if (F->getRetAttributes().hasAttribute(Attributes::ZExt))
+ else if (F->getAttributes().hasAttribute(AttributeSet::ReturnIndex,
+ Attribute::ZExt))
ExtendKind = ISD::ZERO_EXTEND;
if (ExtendKind != ISD::ANY_EXTEND && VT.isInteger())
- VT = TLI.getTypeForExtArgOrReturn(*DAG.getContext(), VT, ExtendKind);
+ VT = TLI.getTypeForExtArgOrReturn(VT.getSimpleVT(), ExtendKind);
unsigned NumParts = TLI.getNumRegisters(*DAG.getContext(), VT);
- EVT PartVT = TLI.getRegisterType(*DAG.getContext(), VT);
+ MVT PartVT = TLI.getRegisterType(*DAG.getContext(), VT);
SmallVector<SDValue, 4> Parts(NumParts);
getCopyToParts(DAG, getCurDebugLoc(),
SDValue(RetOp.getNode(), RetOp.getResNo() + j),
@@ -1244,7 +1252,8 @@ void SelectionDAGBuilder::visitRet(const ReturnInst &I) {
// 'inreg' on function refers to return value
ISD::ArgFlagsTy Flags = ISD::ArgFlagsTy();
- if (F->getRetAttributes().hasAttribute(Attributes::InReg))
+ if (F->getAttributes().hasAttribute(AttributeSet::ReturnIndex,
+ Attribute::InReg))
Flags.setInReg();
// Propagate extension type if any
@@ -1758,8 +1767,8 @@ void SelectionDAGBuilder::visitBitTestHeader(BitTestBlock &B,
Sub = DAG.getZExtOrTrunc(Sub, getCurDebugLoc(), VT);
}
- B.RegVT = VT;
- B.Reg = FuncInfo.CreateReg(VT);
+ B.RegVT = VT.getSimpleVT();
+ B.Reg = FuncInfo.CreateReg(B.RegVT);
SDValue CopyTo = DAG.getCopyToReg(getControlRoot(), getCurDebugLoc(),
B.Reg, Sub);
@@ -1793,7 +1802,7 @@ void SelectionDAGBuilder::visitBitTestCase(BitTestBlock &BB,
unsigned Reg,
BitTestCase &B,
MachineBasicBlock *SwitchBB) {
- EVT VT = BB.RegVT;
+ MVT VT = BB.RegVT;
SDValue ShiftOp = DAG.getCopyFromReg(getControlRoot(), getCurDebugLoc(),
Reg, VT);
SDValue Cmp;
@@ -2645,7 +2654,7 @@ void SelectionDAGBuilder::visitShift(const User &I, unsigned Opcode) {
SDValue Op1 = getValue(I.getOperand(0));
SDValue Op2 = getValue(I.getOperand(1));
- MVT ShiftTy = TLI.getShiftAmountTy(Op2.getValueType());
+ EVT ShiftTy = TLI.getShiftAmountTy(Op2.getValueType());
// Coerce the shift amount to the right type if we can.
if (!I.getType()->isVectorTy() && Op2.getValueType() != ShiftTy) {
@@ -3137,12 +3146,12 @@ void SelectionDAGBuilder::visitGetElementPtr(const User &I) {
OI != E; ++OI) {
const Value *Idx = *OI;
if (StructType *StTy = dyn_cast<StructType>(Ty)) {
- unsigned Field = cast<ConstantInt>(Idx)->getZExtValue();
+ unsigned Field = cast<Constant>(Idx)->getUniqueInteger().getZExtValue();
if (Field) {
// N = N + Offset
uint64_t Offset = TD->getStructLayout(StTy)->getElementOffset(Field);
N = DAG.getNode(ISD::ADD, getCurDebugLoc(), N.getValueType(), N,
- DAG.getIntPtrConstant(Offset));
+ DAG.getConstant(Offset, N.getValueType()));
}
Ty = StTy->getElementType(Field);
@@ -3187,7 +3196,7 @@ void SelectionDAGBuilder::visitGetElementPtr(const User &I) {
N.getValueType(), IdxN,
DAG.getConstant(Amt, IdxN.getValueType()));
} else {
- SDValue Scale = DAG.getConstant(ElementSize, TLI.getPointerTy());
+ SDValue Scale = DAG.getConstant(ElementSize, IdxN.getValueType());
IdxN = DAG.getNode(ISD::MUL, getCurDebugLoc(),
N.getValueType(), IdxN, Scale);
}
@@ -3510,7 +3519,7 @@ void SelectionDAGBuilder::visitAtomicLoad(const LoadInst &I) {
EVT VT = TLI.getValueType(I.getType());
- if (I.getAlignment() * 8 < VT.getSizeInBits())
+ if (I.getAlignment() < VT.getSizeInBits() / 8)
report_fatal_error("Cannot generate unaligned atomic load");
SDValue L =
@@ -3540,7 +3549,7 @@ void SelectionDAGBuilder::visitAtomicStore(const StoreInst &I) {
EVT VT = TLI.getValueType(I.getValueOperand()->getType());
- if (I.getAlignment() * 8 < VT.getSizeInBits())
+ if (I.getAlignment() < VT.getSizeInBits() / 8)
report_fatal_error("Cannot generate unaligned atomic store");
if (TLI.getInsertFencesForAtomic())
@@ -3654,7 +3663,7 @@ void SelectionDAGBuilder::visitTargetIntrinsic(const CallInst &I,
///
/// Op = (Op & 0x007fffff) | 0x3f800000;
///
-/// where Op is the hexidecimal representation of floating point value.
+/// where Op is the hexadecimal representation of floating point value.
static SDValue
GetSignificand(SelectionDAG &DAG, SDValue Op, DebugLoc dl) {
SDValue t1 = DAG.getNode(ISD::AND, dl, MVT::i32, Op,
@@ -3668,7 +3677,7 @@ GetSignificand(SelectionDAG &DAG, SDValue Op, DebugLoc dl) {
///
/// (float)(int)(((Op & 0x7f800000) >> 23) - 127);
///
-/// where Op is the hexidecimal representation of floating point value.
+/// where Op is the hexadecimal representation of floating point value.
static SDValue
GetExponent(SelectionDAG &DAG, SDValue Op, const TargetLowering &TLI,
DebugLoc dl) {
@@ -3684,19 +3693,16 @@ GetExponent(SelectionDAG &DAG, SDValue Op, const TargetLowering &TLI,
/// getF32Constant - Get 32-bit floating point constant.
static SDValue
getF32Constant(SelectionDAG &DAG, unsigned Flt) {
- return DAG.getConstantFP(APFloat(APInt(32, Flt)), MVT::f32);
+ return DAG.getConstantFP(APFloat(APFloat::IEEEsingle, APInt(32, Flt)),
+ MVT::f32);
}
-/// visitExp - Lower an exp intrinsic. Handles the special sequences for
+/// expandExp - Lower an exp intrinsic. Handles the special sequences for
/// limited-precision mode.
-void
-SelectionDAGBuilder::visitExp(const CallInst &I) {
- SDValue result;
- DebugLoc dl = getCurDebugLoc();
-
- if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
+static SDValue expandExp(DebugLoc dl, SDValue Op, SelectionDAG &DAG,
+ const TargetLowering &TLI) {
+ if (Op.getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- SDValue Op = getValue(I.getArgOperand(0));
// Put the exponent in the right bit position for later addition to the
// final result:
@@ -3715,6 +3721,7 @@ SelectionDAGBuilder::visitExp(const CallInst &I) {
IntegerPartOfX = DAG.getNode(ISD::SHL, dl, MVT::i32, IntegerPartOfX,
DAG.getConstant(23, TLI.getPointerTy()));
+ SDValue TwoToFracPartOfX;
if (LimitFloatPrecision <= 6) {
// For floating-point precision of 6:
//
@@ -3728,16 +3735,9 @@ SelectionDAGBuilder::visitExp(const CallInst &I) {
SDValue t3 = DAG.getNode(ISD::FADD, dl, MVT::f32, t2,
getF32Constant(DAG, 0x3f3c50c8));
SDValue t4 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t3, X);
- SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
- getF32Constant(DAG, 0x3f7f5e7e));
- SDValue TwoToFracPartOfX = DAG.getNode(ISD::BITCAST, dl,MVT::i32, t5);
-
- // Add the exponent into the result in integer domain.
- SDValue t6 = DAG.getNode(ISD::ADD, dl, MVT::i32,
- TwoToFracPartOfX, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl, MVT::f32, t6);
- } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
+ TwoToFracPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
+ getF32Constant(DAG, 0x3f7f5e7e));
+ } else if (LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
// TwoToFractionalPartOfX =
@@ -3754,16 +3754,9 @@ SelectionDAGBuilder::visitExp(const CallInst &I) {
SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
getF32Constant(DAG, 0x3f324b07));
SDValue t6 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t5, X);
- SDValue t7 = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
- getF32Constant(DAG, 0x3f7ff8fd));
- SDValue TwoToFracPartOfX = DAG.getNode(ISD::BITCAST, dl,MVT::i32, t7);
-
- // Add the exponent into the result in integer domain.
- SDValue t8 = DAG.getNode(ISD::ADD, dl, MVT::i32,
- TwoToFracPartOfX, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl, MVT::f32, t8);
- } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
+ TwoToFracPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
+ getF32Constant(DAG, 0x3f7ff8fd));
+ } else { // LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
// TwoToFractionalPartOfX =
@@ -3792,37 +3785,27 @@ SelectionDAGBuilder::visitExp(const CallInst &I) {
SDValue t11 = DAG.getNode(ISD::FADD, dl, MVT::f32, t10,
getF32Constant(DAG, 0x3f317234));
SDValue t12 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t11, X);
- SDValue t13 = DAG.getNode(ISD::FADD, dl, MVT::f32, t12,
- getF32Constant(DAG, 0x3f800000));
- SDValue TwoToFracPartOfX = DAG.getNode(ISD::BITCAST, dl,
- MVT::i32, t13);
-
- // Add the exponent into the result in integer domain.
- SDValue t14 = DAG.getNode(ISD::ADD, dl, MVT::i32,
- TwoToFracPartOfX, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl, MVT::f32, t14);
+ TwoToFracPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t12,
+ getF32Constant(DAG, 0x3f800000));
}
- } else {
- // No special expansion.
- result = DAG.getNode(ISD::FEXP, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0)));
+
+ // Add the exponent into the result in integer domain.
+ SDValue t13 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, TwoToFracPartOfX);
+ return DAG.getNode(ISD::BITCAST, dl, MVT::f32,
+ DAG.getNode(ISD::ADD, dl, MVT::i32,
+ t13, IntegerPartOfX));
}
- setValue(&I, result);
+ // No special expansion.
+ return DAG.getNode(ISD::FEXP, dl, Op.getValueType(), Op);
}
-/// visitLog - Lower a log intrinsic. Handles the special sequences for
+/// expandLog - Lower a log intrinsic. Handles the special sequences for
/// limited-precision mode.
-void
-SelectionDAGBuilder::visitLog(const CallInst &I) {
- SDValue result;
- DebugLoc dl = getCurDebugLoc();
-
- if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
+static SDValue expandLog(DebugLoc dl, SDValue Op, SelectionDAG &DAG,
+ const TargetLowering &TLI) {
+ if (Op.getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- SDValue Op = getValue(I.getArgOperand(0));
SDValue Op1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
// Scale the exponent by log(2) [0.69314718f].
@@ -3834,6 +3817,7 @@ SelectionDAGBuilder::visitLog(const CallInst &I) {
// exponent of 1.
SDValue X = GetSignificand(DAG, Op1, dl);
+ SDValue LogOfMantissa;
if (LimitFloatPrecision <= 6) {
// For floating-point precision of 6:
//
@@ -3847,12 +3831,9 @@ SelectionDAGBuilder::visitLog(const CallInst &I) {
SDValue t1 = DAG.getNode(ISD::FADD, dl, MVT::f32, t0,
getF32Constant(DAG, 0x3fb3a2b1));
SDValue t2 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t1, X);
- SDValue LogOfMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t2,
- getF32Constant(DAG, 0x3f949a29));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, LogOfMantissa);
- } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
+ LogOfMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t2,
+ getF32Constant(DAG, 0x3f949a29));
+ } else if (LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
// LogOfMantissa =
@@ -3873,12 +3854,9 @@ SelectionDAGBuilder::visitLog(const CallInst &I) {
SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
getF32Constant(DAG, 0x40348e95));
SDValue t6 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t5, X);
- SDValue LogOfMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t6,
- getF32Constant(DAG, 0x3fdef31a));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, LogOfMantissa);
- } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
+ LogOfMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t6,
+ getF32Constant(DAG, 0x3fdef31a));
+ } else { // LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
// LogOfMantissa =
@@ -3907,32 +3885,23 @@ SelectionDAGBuilder::visitLog(const CallInst &I) {
SDValue t9 = DAG.getNode(ISD::FADD, dl, MVT::f32, t8,
getF32Constant(DAG, 0x408797cb));
SDValue t10 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t9, X);
- SDValue LogOfMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t10,
- getF32Constant(DAG, 0x4006dcab));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, LogOfMantissa);
+ LogOfMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t10,
+ getF32Constant(DAG, 0x4006dcab));
}
- } else {
- // No special expansion.
- result = DAG.getNode(ISD::FLOG, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0)));
+
+ return DAG.getNode(ISD::FADD, dl, MVT::f32, LogOfExponent, LogOfMantissa);
}
- setValue(&I, result);
+ // No special expansion.
+ return DAG.getNode(ISD::FLOG, dl, Op.getValueType(), Op);
}
-/// visitLog2 - Lower a log2 intrinsic. Handles the special sequences for
+/// expandLog2 - Lower a log2 intrinsic. Handles the special sequences for
/// limited-precision mode.
-void
-SelectionDAGBuilder::visitLog2(const CallInst &I) {
- SDValue result;
- DebugLoc dl = getCurDebugLoc();
-
- if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
+static SDValue expandLog2(DebugLoc dl, SDValue Op, SelectionDAG &DAG,
+ const TargetLowering &TLI) {
+ if (Op.getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- SDValue Op = getValue(I.getArgOperand(0));
SDValue Op1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
// Get the exponent.
@@ -3944,6 +3913,7 @@ SelectionDAGBuilder::visitLog2(const CallInst &I) {
// Different possible minimax approximations of significand in
// floating-point for various degrees of accuracy over [1,2].
+ SDValue Log2ofMantissa;
if (LimitFloatPrecision <= 6) {
// For floating-point precision of 6:
//
@@ -3955,12 +3925,9 @@ SelectionDAGBuilder::visitLog2(const CallInst &I) {
SDValue t1 = DAG.getNode(ISD::FADD, dl, MVT::f32, t0,
getF32Constant(DAG, 0x40019463));
SDValue t2 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t1, X);
- SDValue Log2ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t2,
- getF32Constant(DAG, 0x3fd6633d));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, Log2ofMantissa);
- } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
+ Log2ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t2,
+ getF32Constant(DAG, 0x3fd6633d));
+ } else if (LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
// Log2ofMantissa =
@@ -3981,12 +3948,9 @@ SelectionDAGBuilder::visitLog2(const CallInst &I) {
SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
getF32Constant(DAG, 0x40823e2f));
SDValue t6 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t5, X);
- SDValue Log2ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t6,
- getF32Constant(DAG, 0x4020d29c));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, Log2ofMantissa);
- } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
+ Log2ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t6,
+ getF32Constant(DAG, 0x4020d29c));
+ } else { // LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
// Log2ofMantissa =
@@ -4016,32 +3980,23 @@ SelectionDAGBuilder::visitLog2(const CallInst &I) {
SDValue t9 = DAG.getNode(ISD::FADD, dl, MVT::f32, t8,
getF32Constant(DAG, 0x40c39dad));
SDValue t10 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t9, X);
- SDValue Log2ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t10,
- getF32Constant(DAG, 0x4042902c));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, Log2ofMantissa);
+ Log2ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t10,
+ getF32Constant(DAG, 0x4042902c));
}
- } else {
- // No special expansion.
- result = DAG.getNode(ISD::FLOG2, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0)));
+
+ return DAG.getNode(ISD::FADD, dl, MVT::f32, LogOfExponent, Log2ofMantissa);
}
- setValue(&I, result);
+ // No special expansion.
+ return DAG.getNode(ISD::FLOG2, dl, Op.getValueType(), Op);
}
-/// visitLog10 - Lower a log10 intrinsic. Handles the special sequences for
+/// expandLog10 - Lower a log10 intrinsic. Handles the special sequences for
/// limited-precision mode.
-void
-SelectionDAGBuilder::visitLog10(const CallInst &I) {
- SDValue result;
- DebugLoc dl = getCurDebugLoc();
-
- if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
+static SDValue expandLog10(DebugLoc dl, SDValue Op, SelectionDAG &DAG,
+ const TargetLowering &TLI) {
+ if (Op.getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- SDValue Op = getValue(I.getArgOperand(0));
SDValue Op1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
// Scale the exponent by log10(2) [0.30102999f].
@@ -4053,6 +4008,7 @@ SelectionDAGBuilder::visitLog10(const CallInst &I) {
// exponent of 1.
SDValue X = GetSignificand(DAG, Op1, dl);
+ SDValue Log10ofMantissa;
if (LimitFloatPrecision <= 6) {
// For floating-point precision of 6:
//
@@ -4066,12 +4022,9 @@ SelectionDAGBuilder::visitLog10(const CallInst &I) {
SDValue t1 = DAG.getNode(ISD::FADD, dl, MVT::f32, t0,
getF32Constant(DAG, 0x3f1c0789));
SDValue t2 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t1, X);
- SDValue Log10ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t2,
- getF32Constant(DAG, 0x3f011300));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, Log10ofMantissa);
- } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
+ Log10ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t2,
+ getF32Constant(DAG, 0x3f011300));
+ } else if (LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
// Log10ofMantissa =
@@ -4088,12 +4041,9 @@ SelectionDAGBuilder::visitLog10(const CallInst &I) {
SDValue t3 = DAG.getNode(ISD::FADD, dl, MVT::f32, t2,
getF32Constant(DAG, 0x3f6ae232));
SDValue t4 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t3, X);
- SDValue Log10ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t4,
- getF32Constant(DAG, 0x3f25f7c3));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, Log10ofMantissa);
- } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
+ Log10ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t4,
+ getF32Constant(DAG, 0x3f25f7c3));
+ } else { // LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
// Log10ofMantissa =
@@ -4118,33 +4068,23 @@ SelectionDAGBuilder::visitLog10(const CallInst &I) {
SDValue t7 = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
getF32Constant(DAG, 0x3fc4316c));
SDValue t8 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t7, X);
- SDValue Log10ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t8,
- getF32Constant(DAG, 0x3f57ce70));
-
- result = DAG.getNode(ISD::FADD, dl,
- MVT::f32, LogOfExponent, Log10ofMantissa);
+ Log10ofMantissa = DAG.getNode(ISD::FSUB, dl, MVT::f32, t8,
+ getF32Constant(DAG, 0x3f57ce70));
}
- } else {
- // No special expansion.
- result = DAG.getNode(ISD::FLOG10, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0)));
+
+ return DAG.getNode(ISD::FADD, dl, MVT::f32, LogOfExponent, Log10ofMantissa);
}
- setValue(&I, result);
+ // No special expansion.
+ return DAG.getNode(ISD::FLOG10, dl, Op.getValueType(), Op);
}
-/// visitExp2 - Lower an exp2 intrinsic. Handles the special sequences for
+/// expandExp2 - Lower an exp2 intrinsic. Handles the special sequences for
/// limited-precision mode.
-void
-SelectionDAGBuilder::visitExp2(const CallInst &I) {
- SDValue result;
- DebugLoc dl = getCurDebugLoc();
-
- if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
+static SDValue expandExp2(DebugLoc dl, SDValue Op, SelectionDAG &DAG,
+ const TargetLowering &TLI) {
+ if (Op.getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- SDValue Op = getValue(I.getArgOperand(0));
-
SDValue IntegerPartOfX = DAG.getNode(ISD::FP_TO_SINT, dl, MVT::i32, Op);
// FractionalPartOfX = x - (float)IntegerPartOfX;
@@ -4155,6 +4095,7 @@ SelectionDAGBuilder::visitExp2(const CallInst &I) {
IntegerPartOfX = DAG.getNode(ISD::SHL, dl, MVT::i32, IntegerPartOfX,
DAG.getConstant(23, TLI.getPointerTy()));
+ SDValue TwoToFractionalPartOfX;
if (LimitFloatPrecision <= 6) {
// For floating-point precision of 6:
//
@@ -4168,15 +4109,9 @@ SelectionDAGBuilder::visitExp2(const CallInst &I) {
SDValue t3 = DAG.getNode(ISD::FADD, dl, MVT::f32, t2,
getF32Constant(DAG, 0x3f3c50c8));
SDValue t4 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t3, X);
- SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
- getF32Constant(DAG, 0x3f7f5e7e));
- SDValue t6 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, t5);
- SDValue TwoToFractionalPartOfX =
- DAG.getNode(ISD::ADD, dl, MVT::i32, t6, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl,
- MVT::f32, TwoToFractionalPartOfX);
- } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
+ TwoToFractionalPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
+ getF32Constant(DAG, 0x3f7f5e7e));
+ } else if (LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
// TwoToFractionalPartOfX =
@@ -4193,15 +4128,9 @@ SelectionDAGBuilder::visitExp2(const CallInst &I) {
SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
getF32Constant(DAG, 0x3f324b07));
SDValue t6 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t5, X);
- SDValue t7 = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
- getF32Constant(DAG, 0x3f7ff8fd));
- SDValue t8 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, t7);
- SDValue TwoToFractionalPartOfX =
- DAG.getNode(ISD::ADD, dl, MVT::i32, t8, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl,
- MVT::f32, TwoToFractionalPartOfX);
- } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
+ TwoToFractionalPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
+ getF32Constant(DAG, 0x3f7ff8fd));
+ } else { // LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
// TwoToFractionalPartOfX =
@@ -4229,54 +4158,42 @@ SelectionDAGBuilder::visitExp2(const CallInst &I) {
SDValue t11 = DAG.getNode(ISD::FADD, dl, MVT::f32, t10,
getF32Constant(DAG, 0x3f317234));
SDValue t12 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t11, X);
- SDValue t13 = DAG.getNode(ISD::FADD, dl, MVT::f32, t12,
- getF32Constant(DAG, 0x3f800000));
- SDValue t14 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, t13);
- SDValue TwoToFractionalPartOfX =
- DAG.getNode(ISD::ADD, dl, MVT::i32, t14, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl,
- MVT::f32, TwoToFractionalPartOfX);
+ TwoToFractionalPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t12,
+ getF32Constant(DAG, 0x3f800000));
}
- } else {
- // No special expansion.
- result = DAG.getNode(ISD::FEXP2, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0)));
+
+ // Add the exponent into the result in integer domain.
+ SDValue t13 = DAG.getNode(ISD::BITCAST, dl, MVT::i32,
+ TwoToFractionalPartOfX);
+ return DAG.getNode(ISD::BITCAST, dl, MVT::f32,
+ DAG.getNode(ISD::ADD, dl, MVT::i32,
+ t13, IntegerPartOfX));
}
- setValue(&I, result);
+ // No special expansion.
+ return DAG.getNode(ISD::FEXP2, dl, Op.getValueType(), Op);
}
/// visitPow - Lower a pow intrinsic. Handles the special sequences for
/// limited-precision mode with x == 10.0f.
-void
-SelectionDAGBuilder::visitPow(const CallInst &I) {
- SDValue result;
- const Value *Val = I.getArgOperand(0);
- DebugLoc dl = getCurDebugLoc();
+static SDValue expandPow(DebugLoc dl, SDValue LHS, SDValue RHS,
+ SelectionDAG &DAG, const TargetLowering &TLI) {
bool IsExp10 = false;
-
- if (getValue(Val).getValueType() == MVT::f32 &&
- getValue(I.getArgOperand(1)).getValueType() == MVT::f32 &&
+ if (LHS.getValueType() == MVT::f32 && LHS.getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- if (Constant *C = const_cast<Constant*>(dyn_cast<Constant>(Val))) {
- if (ConstantFP *CFP = dyn_cast<ConstantFP>(C)) {
- APFloat Ten(10.0f);
- IsExp10 = CFP->getValueAPF().bitwiseIsEqual(Ten);
- }
+ if (ConstantFPSDNode *LHSC = dyn_cast<ConstantFPSDNode>(LHS)) {
+ APFloat Ten(10.0f);
+ IsExp10 = LHSC->isExactlyValue(Ten);
}
}
- if (IsExp10 && LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
- SDValue Op = getValue(I.getArgOperand(1));
-
+ if (IsExp10) {
// Put the exponent in the right bit position for later addition to the
// final result:
//
// #define LOG2OF10 3.3219281f
// IntegerPartOfX = (int32_t)(x * LOG2OF10);
- SDValue t0 = DAG.getNode(ISD::FMUL, dl, MVT::f32, Op,
+ SDValue t0 = DAG.getNode(ISD::FMUL, dl, MVT::f32, RHS,
getF32Constant(DAG, 0x40549a78));
SDValue IntegerPartOfX = DAG.getNode(ISD::FP_TO_SINT, dl, MVT::i32, t0);
@@ -4288,6 +4205,7 @@ SelectionDAGBuilder::visitPow(const CallInst &I) {
IntegerPartOfX = DAG.getNode(ISD::SHL, dl, MVT::i32, IntegerPartOfX,
DAG.getConstant(23, TLI.getPointerTy()));
+ SDValue TwoToFractionalPartOfX;
if (LimitFloatPrecision <= 6) {
// For floating-point precision of 6:
//
@@ -4301,15 +4219,9 @@ SelectionDAGBuilder::visitPow(const CallInst &I) {
SDValue t3 = DAG.getNode(ISD::FADD, dl, MVT::f32, t2,
getF32Constant(DAG, 0x3f3c50c8));
SDValue t4 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t3, X);
- SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
- getF32Constant(DAG, 0x3f7f5e7e));
- SDValue t6 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, t5);
- SDValue TwoToFractionalPartOfX =
- DAG.getNode(ISD::ADD, dl, MVT::i32, t6, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl,
- MVT::f32, TwoToFractionalPartOfX);
- } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
+ TwoToFractionalPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
+ getF32Constant(DAG, 0x3f7f5e7e));
+ } else if (LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
// TwoToFractionalPartOfX =
@@ -4326,15 +4238,9 @@ SelectionDAGBuilder::visitPow(const CallInst &I) {
SDValue t5 = DAG.getNode(ISD::FADD, dl, MVT::f32, t4,
getF32Constant(DAG, 0x3f324b07));
SDValue t6 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t5, X);
- SDValue t7 = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
- getF32Constant(DAG, 0x3f7ff8fd));
- SDValue t8 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, t7);
- SDValue TwoToFractionalPartOfX =
- DAG.getNode(ISD::ADD, dl, MVT::i32, t8, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl,
- MVT::f32, TwoToFractionalPartOfX);
- } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
+ TwoToFractionalPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t6,
+ getF32Constant(DAG, 0x3f7ff8fd));
+ } else { // LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
// TwoToFractionalPartOfX =
@@ -4362,24 +4268,18 @@ SelectionDAGBuilder::visitPow(const CallInst &I) {
SDValue t11 = DAG.getNode(ISD::FADD, dl, MVT::f32, t10,
getF32Constant(DAG, 0x3f317234));
SDValue t12 = DAG.getNode(ISD::FMUL, dl, MVT::f32, t11, X);
- SDValue t13 = DAG.getNode(ISD::FADD, dl, MVT::f32, t12,
- getF32Constant(DAG, 0x3f800000));
- SDValue t14 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, t13);
- SDValue TwoToFractionalPartOfX =
- DAG.getNode(ISD::ADD, dl, MVT::i32, t14, IntegerPartOfX);
-
- result = DAG.getNode(ISD::BITCAST, dl,
- MVT::f32, TwoToFractionalPartOfX);
+ TwoToFractionalPartOfX = DAG.getNode(ISD::FADD, dl, MVT::f32, t12,
+ getF32Constant(DAG, 0x3f800000));
}
- } else {
- // No special expansion.
- result = DAG.getNode(ISD::FPOW, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0)),
- getValue(I.getArgOperand(1)));
+
+ SDValue t13 = DAG.getNode(ISD::BITCAST, dl,MVT::i32,TwoToFractionalPartOfX);
+ return DAG.getNode(ISD::BITCAST, dl, MVT::f32,
+ DAG.getNode(ISD::ADD, dl, MVT::i32,
+ t13, IntegerPartOfX));
}
- setValue(&I, result);
+ // No special expansion.
+ return DAG.getNode(ISD::FPOW, dl, LHS.getValueType(), LHS, RHS);
}
@@ -4400,7 +4300,8 @@ static SDValue ExpandPowI(DebugLoc DL, SDValue LHS, SDValue RHS,
return DAG.getConstantFP(1.0, LHS.getValueType());
const Function *F = DAG.getMachineFunction().getFunction();
- if (!F->getFnAttributes().hasAttribute(Attributes::OptimizeForSize) ||
+ if (!F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::OptimizeForSize) ||
// If optimizing for size, don't insert too many multiplies. This
// inserts up to 5 multiplies.
CountPopulation_32(Val)+Log2_32(Val) < 7) {
@@ -4566,6 +4467,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
SDValue Op2 = getValue(I.getArgOperand(1));
SDValue Op3 = getValue(I.getArgOperand(2));
unsigned Align = cast<ConstantInt>(I.getArgOperand(3))->getZExtValue();
+ if (!Align)
+ Align = 1; // @llvm.memcpy defines 0 and 1 to both mean no alignment.
bool isVol = cast<ConstantInt>(I.getArgOperand(4))->getZExtValue();
DAG.setRoot(DAG.getMemcpy(getRoot(), dl, Op1, Op2, Op3, Align, isVol, false,
MachinePointerInfo(I.getArgOperand(0)),
@@ -4582,6 +4485,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
SDValue Op2 = getValue(I.getArgOperand(1));
SDValue Op3 = getValue(I.getArgOperand(2));
unsigned Align = cast<ConstantInt>(I.getArgOperand(3))->getZExtValue();
+ if (!Align)
+ Align = 1; // @llvm.memset defines 0 and 1 to both mean no alignment.
bool isVol = cast<ConstantInt>(I.getArgOperand(4))->getZExtValue();
DAG.setRoot(DAG.getMemset(getRoot(), dl, Op1, Op2, Op3, Align, isVol,
MachinePointerInfo(I.getArgOperand(0))));
@@ -4599,6 +4504,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
SDValue Op2 = getValue(I.getArgOperand(1));
SDValue Op3 = getValue(I.getArgOperand(2));
unsigned Align = cast<ConstantInt>(I.getArgOperand(3))->getZExtValue();
+ if (!Align)
+ Align = 1; // @llvm.memmove defines 0 and 1 to both mean no alignment.
bool isVol = cast<ConstantInt>(I.getArgOperand(4))->getZExtValue();
DAG.setRoot(DAG.getMemmove(getRoot(), dl, Op1, Op2, Op3, Align, isVol,
MachinePointerInfo(I.getArgOperand(0)),
@@ -4873,7 +4780,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
// the sse2/mmx shift instructions reads 64 bits. Set the upper 32 bits
// to be zero.
// We must do this early because v2i32 is not a legal type.
- DebugLoc dl = getCurDebugLoc();
SDValue ShOps[2];
ShOps[0] = ShAmt;
ShOps[1] = DAG.getConstant(0, MVT::i32);
@@ -4890,7 +4796,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
case Intrinsic::x86_avx_vinsertf128_ps_256:
case Intrinsic::x86_avx_vinsertf128_si_256:
case Intrinsic::x86_avx2_vinserti128: {
- DebugLoc dl = getCurDebugLoc();
EVT DestVT = TLI.getValueType(I.getType());
EVT ElVT = TLI.getValueType(I.getArgOperand(1)->getType());
uint64_t Idx = (cast<ConstantInt>(I.getArgOperand(2))->getZExtValue() & 1) *
@@ -4906,7 +4811,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
case Intrinsic::x86_avx_vextractf128_ps_256:
case Intrinsic::x86_avx_vextractf128_si_256:
case Intrinsic::x86_avx2_vextracti128: {
- DebugLoc dl = getCurDebugLoc();
EVT DestVT = TLI.getValueType(I.getType());
uint64_t Idx = (cast<ConstantInt>(I.getArgOperand(1))->getZExtValue() & 1) *
DestVT.getVectorNumElements();
@@ -4940,7 +4844,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
}
EVT DestVT = TLI.getValueType(I.getType());
const Value *Op1 = I.getArgOperand(0);
- Res = DAG.getConvertRndSat(DestVT, getCurDebugLoc(), getValue(Op1),
+ Res = DAG.getConvertRndSat(DestVT, dl, getValue(Op1),
DAG.getValueType(DestVT),
DAG.getValueType(getValue(Op1).getValueType()),
getValue(I.getArgOperand(1)),
@@ -4949,53 +4853,57 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
setValue(&I, Res);
return 0;
}
- case Intrinsic::sqrt:
- setValue(&I, DAG.getNode(ISD::FSQRT, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0))));
- return 0;
case Intrinsic::powi:
setValue(&I, ExpandPowI(dl, getValue(I.getArgOperand(0)),
getValue(I.getArgOperand(1)), DAG));
return 0;
- case Intrinsic::sin:
- setValue(&I, DAG.getNode(ISD::FSIN, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0))));
- return 0;
- case Intrinsic::cos:
- setValue(&I, DAG.getNode(ISD::FCOS, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0))));
- return 0;
case Intrinsic::log:
- visitLog(I);
+ setValue(&I, expandLog(dl, getValue(I.getArgOperand(0)), DAG, TLI));
return 0;
case Intrinsic::log2:
- visitLog2(I);
+ setValue(&I, expandLog2(dl, getValue(I.getArgOperand(0)), DAG, TLI));
return 0;
case Intrinsic::log10:
- visitLog10(I);
+ setValue(&I, expandLog10(dl, getValue(I.getArgOperand(0)), DAG, TLI));
return 0;
case Intrinsic::exp:
- visitExp(I);
+ setValue(&I, expandExp(dl, getValue(I.getArgOperand(0)), DAG, TLI));
return 0;
case Intrinsic::exp2:
- visitExp2(I);
+ setValue(&I, expandExp2(dl, getValue(I.getArgOperand(0)), DAG, TLI));
return 0;
case Intrinsic::pow:
- visitPow(I);
+ setValue(&I, expandPow(dl, getValue(I.getArgOperand(0)),
+ getValue(I.getArgOperand(1)), DAG, TLI));
return 0;
+ case Intrinsic::sqrt:
case Intrinsic::fabs:
- setValue(&I, DAG.getNode(ISD::FABS, dl,
- getValue(I.getArgOperand(0)).getValueType(),
- getValue(I.getArgOperand(0))));
- return 0;
+ case Intrinsic::sin:
+ case Intrinsic::cos:
case Intrinsic::floor:
- setValue(&I, DAG.getNode(ISD::FFLOOR, dl,
+ case Intrinsic::ceil:
+ case Intrinsic::trunc:
+ case Intrinsic::rint:
+ case Intrinsic::nearbyint: {
+ unsigned Opcode;
+ switch (Intrinsic) {
+ default: llvm_unreachable("Impossible intrinsic"); // Can't reach here.
+ case Intrinsic::sqrt: Opcode = ISD::FSQRT; break;
+ case Intrinsic::fabs: Opcode = ISD::FABS; break;
+ case Intrinsic::sin: Opcode = ISD::FSIN; break;
+ case Intrinsic::cos: Opcode = ISD::FCOS; break;
+ case Intrinsic::floor: Opcode = ISD::FFLOOR; break;
+ case Intrinsic::ceil: Opcode = ISD::FCEIL; break;
+ case Intrinsic::trunc: Opcode = ISD::FTRUNC; break;
+ case Intrinsic::rint: Opcode = ISD::FRINT; break;
+ case Intrinsic::nearbyint: Opcode = ISD::FNEARBYINT; break;
+ }
+
+ setValue(&I, DAG.getNode(Opcode, dl,
getValue(I.getArgOperand(0)).getValueType(),
getValue(I.getArgOperand(0))));
return 0;
+ }
case Intrinsic::fma:
setValue(&I, DAG.getNode(ISD::FMA, dl,
getValue(I.getArgOperand(0)).getValueType(),
@@ -5006,7 +4914,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
case Intrinsic::fmuladd: {
EVT VT = TLI.getValueType(I.getType());
if (TM.Options.AllowFPOpFusion != FPOpFusion::Strict &&
- TLI.isOperationLegal(ISD::FMA, VT) &&
TLI.isFMAFasterThanMulAndAdd(VT)){
setValue(&I, DAG.getNode(ISD::FMA, dl,
getValue(I.getArgOperand(0)).getValueType(),
@@ -5103,7 +5010,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
SDValue FIN = DAG.getFrameIndex(FI, PtrTy);
// Store the stack protector onto the stack.
- Res = DAG.getStore(getRoot(), getCurDebugLoc(), Src, FIN,
+ Res = DAG.getStore(getRoot(), dl, Src, FIN,
MachinePointerInfo::getFixedStack(FI),
true, false, 0);
setValue(&I, Res);
@@ -5191,7 +5098,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
/*isTailCall=*/false,
/*doesNotRet=*/false, /*isReturnValueUsed=*/true,
DAG.getExternalSymbol(TrapFuncName.data(), TLI.getPointerTy()),
- Args, DAG, getCurDebugLoc());
+ Args, DAG, dl);
std::pair<SDValue, SDValue> Result = TLI.LowerCallTo(CLI);
DAG.setRoot(Result.second);
return 0;
@@ -5217,7 +5124,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
SDValue Op2 = getValue(I.getArgOperand(1));
SDVTList VTs = DAG.getVTList(Op1.getValueType(), MVT::i1);
- setValue(&I, DAG.getNode(Op, getCurDebugLoc(), VTs, Op1, Op2));
+ setValue(&I, DAG.getNode(Op, dl, VTs, Op1, Op2));
return 0;
}
case Intrinsic::prefetch: {
@@ -5267,6 +5174,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
Res = DAG.getNode(Opcode, dl, MVT::Other, Ops, 2);
DAG.setRoot(Res);
}
+ return 0;
}
case Intrinsic::invariant_start:
// Discard region information.
@@ -5296,8 +5204,7 @@ void SelectionDAGBuilder::LowerCallTo(ImmutableCallSite CS, SDValue Callee,
// Check whether the function can return without sret-demotion.
SmallVector<ISD::OutputArg, 4> Outs;
- GetReturnInfo(RetTy, CS.getAttributes().getRetAttributes(),
- Outs, TLI);
+ GetReturnInfo(RetTy, CS.getAttributes(), Outs, TLI);
bool CanLowerReturn = TLI.CanLowerReturn(CS.getCallingConv(),
DAG.getMachineFunction(),
@@ -5342,12 +5249,12 @@ void SelectionDAGBuilder::LowerCallTo(ImmutableCallSite CS, SDValue Callee,
Entry.Node = ArgNode; Entry.Ty = V->getType();
unsigned attrInd = i - CS.arg_begin() + 1;
- Entry.isSExt = CS.paramHasAttr(attrInd, Attributes::SExt);
- Entry.isZExt = CS.paramHasAttr(attrInd, Attributes::ZExt);
- Entry.isInReg = CS.paramHasAttr(attrInd, Attributes::InReg);
- Entry.isSRet = CS.paramHasAttr(attrInd, Attributes::StructRet);
- Entry.isNest = CS.paramHasAttr(attrInd, Attributes::Nest);
- Entry.isByVal = CS.paramHasAttr(attrInd, Attributes::ByVal);
+ Entry.isSExt = CS.paramHasAttr(attrInd, Attribute::SExt);
+ Entry.isZExt = CS.paramHasAttr(attrInd, Attribute::ZExt);
+ Entry.isInReg = CS.paramHasAttr(attrInd, Attribute::InReg);
+ Entry.isSRet = CS.paramHasAttr(attrInd, Attribute::StructRet);
+ Entry.isNest = CS.paramHasAttr(attrInd, Attribute::Nest);
+ Entry.isByVal = CS.paramHasAttr(attrInd, Attribute::ByVal);
Entry.Alignment = CS.getParamAlignment(attrInd);
Args.push_back(Entry);
}
@@ -5376,13 +5283,7 @@ void SelectionDAGBuilder::LowerCallTo(ImmutableCallSite CS, SDValue Callee,
// Check if target-independent constraints permit a tail call here.
// Target-dependent constraints are checked within TLI.LowerCallTo.
- if (isTailCall &&
- !isInTailCallPosition(CS, CS.getAttributes().getRetAttributes(), TLI))
- isTailCall = false;
-
- // If there's a possibility that fast-isel has already selected some amount
- // of the current basic block, don't emit a tail call.
- if (isTailCall && TM.Options.EnableFastISel)
+ if (isTailCall && !isInTailCallPosition(CS, TLI))
isTailCall = false;
TargetLowering::
@@ -5856,7 +5757,7 @@ static void GetRegistersForValue(SelectionDAG &DAG,
// Try to convert to the first EVT that the reg class contains. If the
// types are identical size, use a bitcast to convert (e.g. two differing
// vector types).
- EVT RegVT = *PhysReg.second->vt_begin();
+ MVT RegVT = *PhysReg.second->vt_begin();
if (RegVT.getSizeInBits() == OpInfo.ConstraintVT.getSizeInBits()) {
OpInfo.CallOperand = DAG.getNode(ISD::BITCAST, DL,
RegVT, OpInfo.CallOperand);
@@ -5866,8 +5767,7 @@ static void GetRegistersForValue(SelectionDAG &DAG,
// bitcast to the corresponding integer type. This turns an f64 value
// into i64, which can be passed with two i32 values on a 32-bit
// machine.
- RegVT = EVT::getIntegerVT(Context,
- OpInfo.ConstraintVT.getSizeInBits());
+ RegVT = MVT::getIntegerVT(OpInfo.ConstraintVT.getSizeInBits());
OpInfo.CallOperand = DAG.getNode(ISD::BITCAST, DL,
RegVT, OpInfo.CallOperand);
OpInfo.ConstraintVT = RegVT;
@@ -5877,7 +5777,7 @@ static void GetRegistersForValue(SelectionDAG &DAG,
NumRegs = TLI.getNumRegisters(Context, OpInfo.ConstraintVT);
}
- EVT RegVT;
+ MVT RegVT;
EVT ValueVT = OpInfo.ConstraintVT;
// If this is a constraint for a specific physical register, like {r17},
@@ -5951,7 +5851,7 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
ConstraintOperands.push_back(SDISelAsmOperandInfo(TargetConstraints[i]));
SDISelAsmOperandInfo &OpInfo = ConstraintOperands.back();
- EVT OpVT = MVT::Other;
+ MVT OpVT = MVT::Other;
// Compute the value type for each operand.
switch (OpInfo.Type) {
@@ -5966,10 +5866,10 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
// corresponding argument.
assert(!CS.getType()->isVoidTy() && "Bad inline asm!");
if (StructType *STy = dyn_cast<StructType>(CS.getType())) {
- OpVT = TLI.getValueType(STy->getElementType(ResNo));
+ OpVT = TLI.getSimpleValueType(STy->getElementType(ResNo));
} else {
assert(ResNo == 0 && "Asm only has one result!");
- OpVT = TLI.getValueType(CS.getType());
+ OpVT = TLI.getSimpleValueType(CS.getType());
}
++ResNo;
break;
@@ -5990,7 +5890,8 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
OpInfo.CallOperand = getValue(OpInfo.CallOperandVal);
}
- OpVT = OpInfo.getCallOperandValEVT(*DAG.getContext(), TLI, TD);
+ OpVT = OpInfo.getCallOperandValEVT(*DAG.getContext(), TLI, TD).
+ getSimpleVT();
}
OpInfo.ConstraintVT = OpVT;
@@ -6052,6 +5953,10 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
// Compute the constraint code and ConstraintType to use.
TLI.ComputeConstraintToUse(OpInfo, OpInfo.CallOperand, &DAG);
+ if (OpInfo.ConstraintType == TargetLowering::C_Memory &&
+ OpInfo.Type == InlineAsm::isClobber)
+ continue;
+
// If this is a memory input, and if the operand is not indirect, do what we
// need to to provide an address for the memory input.
if (OpInfo.ConstraintType == TargetLowering::C_Memory &&
@@ -6155,6 +6060,8 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
ExtraInfo |= InlineAsm::Extra_MayLoad;
else if (OpInfo.Type == InlineAsm::isOutput)
ExtraInfo |= InlineAsm::Extra_MayStore;
+ else if (OpInfo.Type == InlineAsm::isClobber)
+ ExtraInfo |= (InlineAsm::Extra_MayLoad | InlineAsm::Extra_MayStore);
}
}
@@ -6253,11 +6160,12 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
Ctx.emitError(CS.getInstruction(), "inline asm not supported yet:"
" don't know how to handle tied "
"indirect register inputs");
+ report_fatal_error("Cannot handle indirect register inputs!");
}
RegsForValue MatchedRegs;
MatchedRegs.ValueVTs.push_back(InOperandVal.getValueType());
- EVT RegVT = AsmNodeOperands[CurOp+1].getValueType();
+ MVT RegVT = AsmNodeOperands[CurOp+1].getSimpleValueType();
MatchedRegs.RegVTs.push_back(RegVT);
MachineRegisterInfo &RegInfo = DAG.getMachineFunction().getRegInfo();
for (unsigned i = 0, e = InlineAsm::getNumOperandRegisters(OpFlag);
@@ -6524,7 +6432,7 @@ TargetLowering::LowerCallTo(TargetLowering::CallLoweringInfo &CLI) const {
Flags.setNest();
Flags.setOrigAlign(OriginalAlignment);
- EVT PartVT = getRegisterType(CLI.RetTy->getContext(), VT);
+ MVT PartVT = getRegisterType(CLI.RetTy->getContext(), VT);
unsigned NumParts = getNumRegisters(CLI.RetTy->getContext(), VT);
SmallVector<SDValue, 4> Parts(NumParts);
ISD::NodeType ExtendKind = ISD::ANY_EXTEND;
@@ -6559,11 +6467,11 @@ TargetLowering::LowerCallTo(TargetLowering::CallLoweringInfo &CLI) const {
ComputeValueVTs(*this, CLI.RetTy, RetTys);
for (unsigned I = 0, E = RetTys.size(); I != E; ++I) {
EVT VT = RetTys[I];
- EVT RegisterVT = getRegisterType(CLI.RetTy->getContext(), VT);
+ MVT RegisterVT = getRegisterType(CLI.RetTy->getContext(), VT);
unsigned NumRegs = getNumRegisters(CLI.RetTy->getContext(), VT);
for (unsigned i = 0; i != NumRegs; ++i) {
ISD::InputArg MyFlags;
- MyFlags.VT = RegisterVT.getSimpleVT();
+ MyFlags.VT = RegisterVT;
MyFlags.Used = CLI.IsReturnValueUsed;
if (CLI.RetSExt)
MyFlags.Flags.setSExt();
@@ -6613,7 +6521,7 @@ TargetLowering::LowerCallTo(TargetLowering::CallLoweringInfo &CLI) const {
unsigned CurReg = 0;
for (unsigned I = 0, E = RetTys.size(); I != E; ++I) {
EVT VT = RetTys[I];
- EVT RegisterVT = getRegisterType(CLI.RetTy->getContext(), VT);
+ MVT RegisterVT = getRegisterType(CLI.RetTy->getContext(), VT);
unsigned NumRegs = getNumRegisters(CLI.RetTy->getContext(), VT);
ReturnValues.push_back(getCopyFromParts(CLI.DAG, CLI.DL, &InVals[CurReg],
@@ -6681,19 +6589,12 @@ static bool isOnlyUsedInEntryBlock(const Argument *A, bool FastISel) {
return true;
}
-void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
- // If this is the entry block, emit arguments.
- const Function &F = *LLVMBB->getParent();
+void SelectionDAGISel::LowerArguments(const Function &F) {
SelectionDAG &DAG = SDB->DAG;
DebugLoc dl = SDB->getCurDebugLoc();
const DataLayout *TD = TLI.getDataLayout();
SmallVector<ISD::InputArg, 16> Ins;
- // Check whether the function can return without sret-demotion.
- SmallVector<ISD::OutputArg, 4> Outs;
- GetReturnInfo(F.getReturnType(), F.getAttributes().getRetAttributes(),
- Outs, TLI);
-
if (!FuncInfo->CanLowerReturn) {
// Put in an sret pointer parameter before all the other parameters.
SmallVector<EVT, 1> ValueVTs;
@@ -6703,7 +6604,7 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
// or one register.
ISD::ArgFlagsTy Flags;
Flags.setSRet();
- EVT RegisterVT = TLI.getRegisterType(*DAG.getContext(), ValueVTs[0]);
+ MVT RegisterVT = TLI.getRegisterType(*DAG.getContext(), ValueVTs[0]);
ISD::InputArg RetArg(Flags, RegisterVT, true, 0, 0);
Ins.push_back(RetArg);
}
@@ -6723,15 +6624,15 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
unsigned OriginalAlignment =
TD->getABITypeAlignment(ArgTy);
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::ZExt))
+ if (F.getAttributes().hasAttribute(Idx, Attribute::ZExt))
Flags.setZExt();
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::SExt))
+ if (F.getAttributes().hasAttribute(Idx, Attribute::SExt))
Flags.setSExt();
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::InReg))
+ if (F.getAttributes().hasAttribute(Idx, Attribute::InReg))
Flags.setInReg();
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::StructRet))
+ if (F.getAttributes().hasAttribute(Idx, Attribute::StructRet))
Flags.setSRet();
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::ByVal)) {
+ if (F.getAttributes().hasAttribute(Idx, Attribute::ByVal)) {
Flags.setByVal();
PointerType *Ty = cast<PointerType>(I->getType());
Type *ElementTy = Ty->getElementType();
@@ -6745,11 +6646,11 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
FrameAlign = TLI.getByValTypeAlignment(ElementTy);
Flags.setByValAlign(FrameAlign);
}
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::Nest))
+ if (F.getAttributes().hasAttribute(Idx, Attribute::Nest))
Flags.setNest();
Flags.setOrigAlign(OriginalAlignment);
- EVT RegisterVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
+ MVT RegisterVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
unsigned NumRegs = TLI.getNumRegisters(*CurDAG->getContext(), VT);
for (unsigned i = 0; i != NumRegs; ++i) {
ISD::InputArg MyFlags(Flags, RegisterVT, isArgValueUsed,
@@ -6795,8 +6696,8 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
// from the sret argument into it.
SmallVector<EVT, 1> ValueVTs;
ComputeValueVTs(TLI, PointerType::getUnqual(F.getReturnType()), ValueVTs);
- EVT VT = ValueVTs[0];
- EVT RegVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
+ MVT VT = ValueVTs[0].getSimpleVT();
+ MVT RegVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
ISD::NodeType AssertOp = ISD::DELETED_NODE;
SDValue ArgValue = getCopyFromParts(DAG, dl, &InVals[0], 1,
RegVT, VT, NULL, AssertOp);
@@ -6828,14 +6729,14 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
for (unsigned Val = 0; Val != NumValues; ++Val) {
EVT VT = ValueVTs[Val];
- EVT PartVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
+ MVT PartVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
unsigned NumParts = TLI.getNumRegisters(*CurDAG->getContext(), VT);
if (!I->use_empty()) {
ISD::NodeType AssertOp = ISD::DELETED_NODE;
- if (F.getParamAttributes(Idx).hasAttribute(Attributes::SExt))
+ if (F.getAttributes().hasAttribute(Idx, Attribute::SExt))
AssertOp = ISD::AssertSext;
- else if (F.getParamAttributes(Idx).hasAttribute(Attributes::ZExt))
+ else if (F.getAttributes().hasAttribute(Idx, Attribute::ZExt))
AssertOp = ISD::AssertZext;
ArgValues.push_back(getCopyFromParts(DAG, dl, &InVals[i],
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