#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetFrameInfo.h"
+#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetIntrinsicInfo.h"
#include "llvm/Target/TargetLowering.h"
Hi = getCopyFromParts(DAG, DL, Parts + RoundParts / 2,
RoundParts / 2, PartVT, HalfVT);
} else {
- Lo = DAG.getNode(ISD::BIT_CONVERT, DL, HalfVT, Parts[0]);
- Hi = DAG.getNode(ISD::BIT_CONVERT, DL, HalfVT, Parts[1]);
+ Lo = DAG.getNode(ISD::BITCAST, DL, HalfVT, Parts[0]);
+ Hi = DAG.getNode(ISD::BITCAST, DL, HalfVT, Parts[1]);
}
if (TLI.isBigEndian())
assert(ValueVT == EVT(MVT::ppcf128) && PartVT == EVT(MVT::f64) &&
"Unexpected split");
SDValue Lo, Hi;
- Lo = DAG.getNode(ISD::BIT_CONVERT, DL, EVT(MVT::f64), Parts[0]);
- Hi = DAG.getNode(ISD::BIT_CONVERT, DL, EVT(MVT::f64), Parts[1]);
+ Lo = DAG.getNode(ISD::BITCAST, DL, EVT(MVT::f64), Parts[0]);
+ Hi = DAG.getNode(ISD::BITCAST, DL, EVT(MVT::f64), Parts[1]);
if (TLI.isBigEndian())
std::swap(Lo, Hi);
Val = DAG.getNode(ISD::BUILD_PAIR, DL, ValueVT, Lo, Hi);
}
if (PartVT.getSizeInBits() == ValueVT.getSizeInBits())
- return DAG.getNode(ISD::BIT_CONVERT, DL, ValueVT, Val);
+ return DAG.getNode(ISD::BITCAST, DL, ValueVT, Val);
llvm_unreachable("Unknown mismatch!");
return SDValue();
}
// Vector/Vector bitcast.
- return DAG.getNode(ISD::BIT_CONVERT, DL, ValueVT, Val);
+ return DAG.getNode(ISD::BITCAST, DL, ValueVT, Val);
}
assert(ValueVT.getVectorElementType() == PartVT &&
} else if (PartBits == ValueVT.getSizeInBits()) {
// Different types of the same size.
assert(NumParts == 1 && PartVT != ValueVT);
- Val = DAG.getNode(ISD::BIT_CONVERT, DL, PartVT, Val);
+ 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.
assert(PartVT.isInteger() && ValueVT.isInteger() &&
// The number of parts is a power of 2. Repeatedly bisect the value using
// EXTRACT_ELEMENT.
- Parts[0] = DAG.getNode(ISD::BIT_CONVERT, DL,
+ Parts[0] = DAG.getNode(ISD::BITCAST, DL,
EVT::getIntegerVT(*DAG.getContext(),
ValueVT.getSizeInBits()),
Val);
ThisVT, Part0, DAG.getIntPtrConstant(0));
if (ThisBits == PartBits && ThisVT != PartVT) {
- Part0 = DAG.getNode(ISD::BIT_CONVERT, DL, PartVT, Part0);
- Part1 = DAG.getNode(ISD::BIT_CONVERT, DL, PartVT, Part1);
+ Part0 = DAG.getNode(ISD::BITCAST, DL, PartVT, Part0);
+ Part1 = DAG.getNode(ISD::BITCAST, DL, PartVT, Part1);
}
}
}
// Nothing to do.
} else if (PartVT.getSizeInBits() == ValueVT.getSizeInBits()) {
// Bitconvert vector->vector case.
- Val = DAG.getNode(ISD::BIT_CONVERT, DL, PartVT, Val);
+ Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val);
} else if (PartVT.isVector() &&
PartVT.getVectorElementType() == ValueVT.getVectorElementType()&&
PartVT.getVectorNumElements() > ValueVT.getVectorNumElements()) {
}
Chain = P.getValue(1);
+ Parts[i] = P;
// If the source register was virtual and if we know something about it,
// add an assert node.
- if (TargetRegisterInfo::isVirtualRegister(Regs[Part+i]) &&
- RegisterVT.isInteger() && !RegisterVT.isVector()) {
- unsigned SlotNo = Regs[Part+i]-TargetRegisterInfo::FirstVirtualRegister;
- if (FuncInfo.LiveOutRegInfo.size() > SlotNo) {
- const FunctionLoweringInfo::LiveOutInfo &LOI =
- FuncInfo.LiveOutRegInfo[SlotNo];
-
- unsigned RegSize = RegisterVT.getSizeInBits();
- unsigned NumSignBits = LOI.NumSignBits;
- unsigned NumZeroBits = LOI.KnownZero.countLeadingOnes();
-
- // FIXME: We capture more information than the dag can represent. For
- // now, just use the tightest assertzext/assertsext possible.
- bool isSExt = true;
- EVT FromVT(MVT::Other);
- if (NumSignBits == RegSize)
- isSExt = true, FromVT = MVT::i1; // ASSERT SEXT 1
- else if (NumZeroBits >= RegSize-1)
- isSExt = false, FromVT = MVT::i1; // ASSERT ZEXT 1
- else if (NumSignBits > RegSize-8)
- isSExt = true, FromVT = MVT::i8; // ASSERT SEXT 8
- else if (NumZeroBits >= RegSize-8)
- isSExt = false, FromVT = MVT::i8; // ASSERT ZEXT 8
- else if (NumSignBits > RegSize-16)
- isSExt = true, FromVT = MVT::i16; // ASSERT SEXT 16
- else if (NumZeroBits >= RegSize-16)
- isSExt = false, FromVT = MVT::i16; // ASSERT ZEXT 16
- else if (NumSignBits > RegSize-32)
- isSExt = true, FromVT = MVT::i32; // ASSERT SEXT 32
- else if (NumZeroBits >= RegSize-32)
- isSExt = false, FromVT = MVT::i32; // ASSERT ZEXT 32
-
- if (FromVT != MVT::Other)
- P = DAG.getNode(isSExt ? ISD::AssertSext : ISD::AssertZext, dl,
- RegisterVT, P, DAG.getValueType(FromVT));
- }
- }
+ if (!TargetRegisterInfo::isVirtualRegister(Regs[Part+i]) ||
+ !RegisterVT.isInteger() || RegisterVT.isVector() ||
+ !FuncInfo.LiveOutRegInfo.inBounds(Regs[Part+i]))
+ continue;
+
+ const FunctionLoweringInfo::LiveOutInfo &LOI =
+ FuncInfo.LiveOutRegInfo[Regs[Part+i]];
+
+ unsigned RegSize = RegisterVT.getSizeInBits();
+ unsigned NumSignBits = LOI.NumSignBits;
+ unsigned NumZeroBits = LOI.KnownZero.countLeadingOnes();
+
+ // FIXME: We capture more information than the dag can represent. For
+ // now, just use the tightest assertzext/assertsext possible.
+ bool isSExt = true;
+ EVT FromVT(MVT::Other);
+ if (NumSignBits == RegSize)
+ isSExt = true, FromVT = MVT::i1; // ASSERT SEXT 1
+ else if (NumZeroBits >= RegSize-1)
+ isSExt = false, FromVT = MVT::i1; // ASSERT ZEXT 1
+ else if (NumSignBits > RegSize-8)
+ isSExt = true, FromVT = MVT::i8; // ASSERT SEXT 8
+ else if (NumZeroBits >= RegSize-8)
+ isSExt = false, FromVT = MVT::i8; // ASSERT ZEXT 8
+ else if (NumSignBits > RegSize-16)
+ isSExt = true, FromVT = MVT::i16; // ASSERT SEXT 16
+ else if (NumZeroBits >= RegSize-16)
+ isSExt = false, FromVT = MVT::i16; // ASSERT ZEXT 16
+ else if (NumSignBits > RegSize-32)
+ isSExt = true, FromVT = MVT::i32; // ASSERT SEXT 32
+ else if (NumZeroBits >= RegSize-32)
+ isSExt = false, FromVT = MVT::i32; // ASSERT ZEXT 32
+ else
+ continue;
- Parts[i] = P;
+ // Add an assertion node.
+ assert(FromVT != MVT::Other);
+ Parts[i] = DAG.getNode(isSExt ? ISD::AssertSext : ISD::AssertZext, dl,
+ RegisterVT, P, DAG.getValueType(FromVT));
}
Values[Value] = getCopyFromParts(DAG, dl, Parts.begin(),
Val.getResNo(), Offset, dl, DbgSDNodeOrder);
DAG.AddDbgValue(SDV, Val.getNode(), false);
}
- } else {
- SDV = DAG.getDbgValue(Variable, UndefValue::get(V->getType()),
- Offset, dl, SDNodeOrder);
- DAG.AddDbgValue(SDV, 0, false);
- }
+ } else
+ DEBUG(dbgs() << "Dropping debug info for " << DI);
DanglingDebugInfoMap[V] = DanglingDebugInfo();
}
}
unsigned InReg = It->second;
RegsForValue RFV(*DAG.getContext(), TLI, InReg, V->getType());
SDValue Chain = DAG.getEntryNode();
- return N = RFV.getCopyFromRegs(DAG, FuncInfo, getCurDebugLoc(), Chain,NULL);
+ N = RFV.getCopyFromRegs(DAG, FuncInfo, getCurDebugLoc(), Chain,NULL);
+ resolveDanglingDebugInfo(V, N);
+ return N;
}
// Otherwise create a new SDValue and remember it.
// If this is a series of conditions that are or'd or and'd together, emit
// this as a sequence of branches instead of setcc's with and/or operations.
+ // As long as jumps are not expensive, this should improve performance.
// For example, instead of something like:
// cmp A, B
// C = seteq
// jle foo
//
if (const BinaryOperator *BOp = dyn_cast<BinaryOperator>(CondVal)) {
- if (BOp->hasOneUse() &&
+ if (!TLI.isJumpExpensive() &&
+ BOp->hasOneUse() &&
(BOp->getOpcode() == Instruction::And ||
BOp->getOpcode() == Instruction::Or)) {
FindMergedConditions(BOp, Succ0MBB, Succ1MBB, BrMBB, BrMBB,
Sub, DAG.getConstant(B.Range, VT),
ISD::SETUGT);
- SDValue ShiftOp = DAG.getZExtOrTrunc(Sub, getCurDebugLoc(),
- TLI.getPointerTy());
+ // Determine the type of the test operands.
+ bool UsePtrType = false;
+ if (!TLI.isTypeLegal(VT))
+ UsePtrType = true;
+ else {
+ for (unsigned i = 0, e = B.Cases.size(); i != e; ++i)
+ if ((uint64_t)((int64_t)B.Cases[i].Mask >> VT.getSizeInBits()) + 1 >= 2) {
+ // Switch table case range are encoded into series of masks.
+ // Just use pointer type, it's guaranteed to fit.
+ UsePtrType = true;
+ break;
+ }
+ }
+ if (UsePtrType) {
+ VT = TLI.getPointerTy();
+ Sub = DAG.getZExtOrTrunc(Sub, getCurDebugLoc(), VT);
+ }
- B.Reg = FuncInfo.CreateReg(TLI.getPointerTy());
+ B.RegVT = VT;
+ B.Reg = FuncInfo.CreateReg(VT);
SDValue CopyTo = DAG.getCopyToReg(getControlRoot(), getCurDebugLoc(),
- B.Reg, ShiftOp);
+ B.Reg, Sub);
// Set NextBlock to be the MBB immediately after the current one, if any.
// This is used to avoid emitting unnecessary branches to the next block.
}
/// visitBitTestCase - this function produces one "bit test"
-void SelectionDAGBuilder::visitBitTestCase(MachineBasicBlock* NextMBB,
+void SelectionDAGBuilder::visitBitTestCase(BitTestBlock &BB,
+ MachineBasicBlock* NextMBB,
unsigned Reg,
BitTestCase &B,
MachineBasicBlock *SwitchBB) {
- SDValue ShiftOp = DAG.getCopyFromReg(getControlRoot(), getCurDebugLoc(), Reg,
- TLI.getPointerTy());
+ EVT VT = BB.RegVT;
+ SDValue ShiftOp = DAG.getCopyFromReg(getControlRoot(), getCurDebugLoc(),
+ Reg, VT);
SDValue Cmp;
if (CountPopulation_64(B.Mask) == 1) {
// Testing for a single bit; just compare the shift count with what it
// would need to be to shift a 1 bit in that position.
Cmp = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(ShiftOp.getValueType()),
+ TLI.getSetCCResultType(VT),
ShiftOp,
- DAG.getConstant(CountTrailingZeros_64(B.Mask),
- TLI.getPointerTy()),
+ DAG.getConstant(CountTrailingZeros_64(B.Mask), VT),
ISD::SETEQ);
} else {
// Make desired shift
- SDValue SwitchVal = DAG.getNode(ISD::SHL, getCurDebugLoc(),
- TLI.getPointerTy(),
- DAG.getConstant(1, TLI.getPointerTy()),
- ShiftOp);
+ SDValue SwitchVal = DAG.getNode(ISD::SHL, getCurDebugLoc(), VT,
+ DAG.getConstant(1, VT), ShiftOp);
// Emit bit tests and jumps
SDValue AndOp = DAG.getNode(ISD::AND, getCurDebugLoc(),
- TLI.getPointerTy(), SwitchVal,
- DAG.getConstant(B.Mask, TLI.getPointerTy()));
+ VT, SwitchVal, DAG.getConstant(B.Mask, VT));
Cmp = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(AndOp.getValueType()),
- AndOp, DAG.getConstant(0, TLI.getPointerTy()),
+ TLI.getSetCCResultType(VT),
+ AndOp, DAG.getConstant(0, VT),
ISD::SETNE);
}
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
- // TODO: If any two of the cases has the same destination, and if one value
+ // If any two of the cases has the same destination, and if one value
// is the same as the other, but has one bit unset that the other has set,
// use bit manipulation to do two compares at once. For example:
// "if (X == 6 || X == 4)" -> "if ((X|2) == 6)"
+ // TODO: This could be extended to merge any 2 cases in switches with 3 cases.
+ // TODO: Handle cases where CR.CaseBB != SwitchBB.
+ if (Size == 2 && CR.CaseBB == SwitchBB) {
+ Case &Small = *CR.Range.first;
+ Case &Big = *(CR.Range.second-1);
+
+ if (Small.Low == Small.High && Big.Low == Big.High && Small.BB == Big.BB) {
+ const APInt& SmallValue = cast<ConstantInt>(Small.Low)->getValue();
+ const APInt& BigValue = cast<ConstantInt>(Big.Low)->getValue();
+
+ // Check that there is only one bit different.
+ if (BigValue.countPopulation() == SmallValue.countPopulation() + 1 &&
+ (SmallValue | BigValue) == BigValue) {
+ // Isolate the common bit.
+ APInt CommonBit = BigValue & ~SmallValue;
+ assert((SmallValue | CommonBit) == BigValue &&
+ CommonBit.countPopulation() == 1 && "Not a common bit?");
+
+ SDValue CondLHS = getValue(SV);
+ EVT VT = CondLHS.getValueType();
+ DebugLoc DL = getCurDebugLoc();
+
+ SDValue Or = DAG.getNode(ISD::OR, DL, VT, CondLHS,
+ DAG.getConstant(CommonBit, VT));
+ SDValue Cond = DAG.getSetCC(DL, MVT::i1,
+ Or, DAG.getConstant(BigValue, VT),
+ ISD::SETEQ);
+
+ // Update successor info.
+ SwitchBB->addSuccessor(Small.BB);
+ SwitchBB->addSuccessor(Default);
+
+ // Insert the true branch.
+ SDValue BrCond = DAG.getNode(ISD::BRCOND, DL, MVT::Other,
+ getControlRoot(), Cond,
+ DAG.getBasicBlock(Small.BB));
+
+ // Insert the false branch.
+ BrCond = DAG.getNode(ISD::BR, DL, MVT::Other, BrCond,
+ DAG.getBasicBlock(Default));
+
+ DAG.setRoot(BrCond);
+ return true;
+ }
+ }
+ }
// Rearrange the case blocks so that the last one falls through if possible.
if (NextBlock && Default != NextBlock && BackCase.BB != NextBlock) {
}
static APInt ComputeRange(const APInt &First, const APInt &Last) {
- APInt LastExt(Last), FirstExt(First);
uint32_t BitWidth = std::max(Last.getBitWidth(), First.getBitWidth()) + 1;
- LastExt.sext(BitWidth); FirstExt.sext(BitWidth);
+ APInt LastExt = Last.sext(BitWidth), FirstExt = First.sext(BitWidth);
return (LastExt - FirstExt + 1ULL);
}
}
BitTestBlock BTB(lowBound, cmpRange, SV,
- -1U, (CR.CaseBB == SwitchBB),
+ -1U, MVT::Other, (CR.CaseBB == SwitchBB),
CR.CaseBB, Default, BTC);
if (CR.CaseBB == SwitchBB)
if (Cases.size() >= 2)
// Must recompute end() each iteration because it may be
// invalidated by erase if we hold on to it
- for (CaseItr I = Cases.begin(), J = ++(Cases.begin()); J != Cases.end(); ) {
+ for (CaseItr I = Cases.begin(), J = llvm::next(Cases.begin());
+ J != Cases.end(); ) {
const APInt& nextValue = cast<ConstantInt>(J->Low)->getValue();
const APInt& currentValue = cast<ConstantInt>(I->High)->getValue();
MachineBasicBlock* nextBB = J->BB;
void SelectionDAGBuilder::visitFSub(const User &I) {
// -0.0 - X --> fneg
const Type *Ty = I.getType();
- if (Ty->isVectorTy()) {
- if (ConstantVector *CV = dyn_cast<ConstantVector>(I.getOperand(0))) {
- const VectorType *DestTy = cast<VectorType>(I.getType());
- const Type *ElTy = DestTy->getElementType();
- unsigned VL = DestTy->getNumElements();
- std::vector<Constant*> NZ(VL, ConstantFP::getNegativeZero(ElTy));
- Constant *CNZ = ConstantVector::get(&NZ[0], NZ.size());
- if (CV == CNZ) {
- SDValue Op2 = getValue(I.getOperand(1));
- setValue(&I, DAG.getNode(ISD::FNEG, getCurDebugLoc(),
- Op2.getValueType(), Op2));
- return;
- }
- }
+ if (isa<Constant>(I.getOperand(0)) &&
+ I.getOperand(0) == ConstantFP::getZeroValueForNegation(Ty)) {
+ SDValue Op2 = getValue(I.getOperand(1));
+ setValue(&I, DAG.getNode(ISD::FNEG, getCurDebugLoc(),
+ Op2.getValueType(), Op2));
+ return;
}
- if (ConstantFP *CFP = dyn_cast<ConstantFP>(I.getOperand(0)))
- if (CFP->isExactlyValue(ConstantFP::getNegativeZero(Ty)->getValueAPF())) {
- SDValue Op2 = getValue(I.getOperand(1));
- setValue(&I, DAG.getNode(ISD::FNEG, getCurDebugLoc(),
- Op2.getValueType(), Op2));
- return;
- }
-
visitBinary(I, ISD::FSUB);
}
void SelectionDAGBuilder::visitShift(const User &I, unsigned Opcode) {
SDValue Op1 = getValue(I.getOperand(0));
SDValue Op2 = getValue(I.getOperand(1));
- if (!I.getType()->isVectorTy() &&
- Op2.getValueType() != TLI.getShiftAmountTy()) {
+
+ MVT ShiftTy = TLI.getShiftAmountTy();
+
+ // Coerce the shift amount to the right type if we can.
+ if (!I.getType()->isVectorTy() && Op2.getValueType() != ShiftTy) {
+ unsigned ShiftSize = ShiftTy.getSizeInBits();
+ unsigned Op2Size = Op2.getValueType().getSizeInBits();
+ DebugLoc DL = getCurDebugLoc();
+
// If the operand is smaller than the shift count type, promote it.
- EVT PTy = TLI.getPointerTy();
- EVT STy = TLI.getShiftAmountTy();
- if (STy.bitsGT(Op2.getValueType()))
- Op2 = DAG.getNode(ISD::ANY_EXTEND, getCurDebugLoc(),
- TLI.getShiftAmountTy(), Op2);
+ if (ShiftSize > Op2Size)
+ Op2 = DAG.getNode(ISD::ZERO_EXTEND, DL, ShiftTy, Op2);
+
// If the operand is larger than the shift count type but the shift
// count type has enough bits to represent any shift value, truncate
// it now. This is a common case and it exposes the truncate to
// optimization early.
- else if (STy.getSizeInBits() >=
- Log2_32_Ceil(Op2.getValueType().getSizeInBits()))
- Op2 = DAG.getNode(ISD::TRUNCATE, getCurDebugLoc(),
- TLI.getShiftAmountTy(), Op2);
- // Otherwise we'll need to temporarily settle for some other
- // convenient type; type legalization will make adjustments as
- // needed.
- else if (PTy.bitsLT(Op2.getValueType()))
- Op2 = DAG.getNode(ISD::TRUNCATE, getCurDebugLoc(),
- TLI.getPointerTy(), Op2);
- else if (PTy.bitsGT(Op2.getValueType()))
- Op2 = DAG.getNode(ISD::ANY_EXTEND, getCurDebugLoc(),
- TLI.getPointerTy(), Op2);
+ else if (ShiftSize >= Log2_32_Ceil(Op2.getValueType().getSizeInBits()))
+ Op2 = DAG.getNode(ISD::TRUNCATE, DL, ShiftTy, Op2);
+ // Otherwise we'll need to temporarily settle for some other convenient
+ // type. Type legalization will make adjustments once the shiftee is split.
+ else
+ Op2 = DAG.getZExtOrTrunc(Op2, DL, MVT::i32);
}
setValue(&I, DAG.getNode(Opcode, getCurDebugLoc(),
EVT DestVT = TLI.getValueType(I.getType());
// BitCast assures us that source and destination are the same size so this is
- // either a BIT_CONVERT or a no-op.
+ // either a BITCAST or a no-op.
if (DestVT != N.getValueType())
- setValue(&I, DAG.getNode(ISD::BIT_CONVERT, getCurDebugLoc(),
+ setValue(&I, DAG.getNode(ISD::BITCAST, getCurDebugLoc(),
DestVT, N)); // convert types.
else
setValue(&I, N); // noop cast.
} else {
StartIdx[Input] = (MinRange[Input]/MaskNumElts)*MaskNumElts;
if (MaxRange[Input] - StartIdx[Input] < (int)MaskNumElts &&
- StartIdx[Input] + MaskNumElts < SrcNumElts)
+ StartIdx[Input] + MaskNumElts <= SrcNumElts)
RangeUse[Input] = 1; // Extract from a multiple of the mask length.
}
}
// Handle alignment. If the requested alignment is less than or equal to
// the stack alignment, ignore it. If the size is greater than or equal to
// the stack alignment, we note this in the DYNAMIC_STACKALLOC node.
- unsigned StackAlign = TM.getFrameInfo()->getStackAlignment();
+ unsigned StackAlign = TM.getFrameLowering()->getStackAlignment();
if (Align <= StackAlign)
Align = 0;
// Do not serialize non-volatile loads against each other.
Root = DAG.getRoot();
}
-
+
SmallVector<SDValue, 4> Values(NumValues);
SmallVector<SDValue, 4> Chains(std::min(unsigned(MaxParallelChains),
NumValues));
if (!I.getType()->isVoidTy()) {
if (const VectorType *PTy = dyn_cast<VectorType>(I.getType())) {
EVT VT = TLI.getValueType(PTy);
- Result = DAG.getNode(ISD::BIT_CONVERT, getCurDebugLoc(), VT, Result);
+ Result = DAG.getNode(ISD::BITCAST, getCurDebugLoc(), VT, Result);
}
setValue(&I, Result);
DAG.getConstant(0x007fffff, MVT::i32));
SDValue t2 = DAG.getNode(ISD::OR, dl, MVT::i32, t1,
DAG.getConstant(0x3f800000, MVT::i32));
- return DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f32, t2);
+ return DAG.getNode(ISD::BITCAST, dl, MVT::f32, t2);
}
/// GetExponent - Get the exponent:
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::BIT_CONVERT, dl,MVT::i32, t5);
+ 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::BIT_CONVERT, dl, MVT::f32, t6);
+ result = DAG.getNode(ISD::BITCAST, dl, MVT::f32, t6);
} else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
//
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::BIT_CONVERT, dl,MVT::i32, t7);
+ 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::BIT_CONVERT, dl, MVT::f32, t8);
+ result = DAG.getNode(ISD::BITCAST, dl, MVT::f32, t8);
} else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
// For floating-point precision of 18:
//
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::BIT_CONVERT, dl,
+ 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::BIT_CONVERT, dl, MVT::f32, t14);
+ result = DAG.getNode(ISD::BITCAST, dl, MVT::f32, t14);
}
} else {
// No special expansion.
if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
SDValue Op = getValue(I.getArgOperand(0));
- SDValue Op1 = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Op);
+ SDValue Op1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
// Scale the exponent by log(2) [0.69314718f].
SDValue Exp = GetExponent(DAG, Op1, TLI, dl);
if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
SDValue Op = getValue(I.getArgOperand(0));
- SDValue Op1 = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Op);
+ SDValue Op1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
// Get the exponent.
SDValue LogOfExponent = GetExponent(DAG, Op1, TLI, dl);
if (getValue(I.getArgOperand(0)).getValueType() == MVT::f32 &&
LimitFloatPrecision > 0 && LimitFloatPrecision <= 18) {
SDValue Op = getValue(I.getArgOperand(0));
- SDValue Op1 = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Op);
+ SDValue Op1 = DAG.getNode(ISD::BITCAST, dl, MVT::i32, Op);
// Scale the exponent by log10(2) [0.30102999f].
SDValue Exp = GetExponent(DAG, Op1, TLI, dl);
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::BIT_CONVERT, dl, MVT::i32, t5);
+ 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::BIT_CONVERT, dl,
+ result = DAG.getNode(ISD::BITCAST, dl,
MVT::f32, TwoToFractionalPartOfX);
} else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
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::BIT_CONVERT, dl, MVT::i32, t7);
+ 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::BIT_CONVERT, dl,
+ result = DAG.getNode(ISD::BITCAST, dl,
MVT::f32, TwoToFractionalPartOfX);
} else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
// For floating-point precision of 18:
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::BIT_CONVERT, dl, MVT::i32, t13);
+ 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::BIT_CONVERT, dl,
+ result = DAG.getNode(ISD::BITCAST, dl,
MVT::f32, TwoToFractionalPartOfX);
}
} else {
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::BIT_CONVERT, dl, MVT::i32, t5);
+ 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::BIT_CONVERT, dl,
+ result = DAG.getNode(ISD::BITCAST, dl,
MVT::f32, TwoToFractionalPartOfX);
} else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) {
// For floating-point precision of 12:
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::BIT_CONVERT, dl, MVT::i32, t7);
+ 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::BIT_CONVERT, dl,
+ result = DAG.getNode(ISD::BITCAST, dl,
MVT::f32, TwoToFractionalPartOfX);
} else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18
// For floating-point precision of 18:
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::BIT_CONVERT, dl, MVT::i32, t13);
+ 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::BIT_CONVERT, dl,
+ result = DAG.getNode(ISD::BITCAST, dl,
MVT::f32, TwoToFractionalPartOfX);
}
} else {
if (N.getNode() && N.getOpcode() == ISD::CopyFromReg) {
Reg = cast<RegisterSDNode>(N.getOperand(1))->getReg();
- if (Reg && TargetRegisterInfo::isVirtualRegister(Reg)) {
+ if (TargetRegisterInfo::isVirtualRegister(Reg)) {
MachineRegisterInfo &RegInfo = MF.getRegInfo();
unsigned PR = RegInfo.getLiveInPhysReg(Reg);
if (PR)
if (VMI != FuncInfo.ValueMap.end())
Reg = VMI->second;
}
-
+
if (!Reg && N.getNode()) {
// Check if frame index is available.
if (LoadSDNode *LNode = dyn_cast<LoadSDNode>(N.getNode()))
- if (FrameIndexSDNode *FINode =
+ if (FrameIndexSDNode *FINode =
dyn_cast<FrameIndexSDNode>(LNode->getBasePtr().getNode())) {
Reg = TRI->getFrameRegister(MF);
Offset = FINode->getIndex();
// Check if address has undef value.
if (isa<UndefValue>(Address) ||
(Address->use_empty() && !isa<Argument>(Address))) {
- SDDbgValue*SDV =
- DAG.getDbgValue(Variable, UndefValue::get(Address->getType()),
- 0, dl, SDNodeOrder);
- DAG.AddDbgValue(SDV, 0, false);
+ DEBUG(dbgs() << "Dropping debug info for " << DI);
return 0;
}
// Byval parameter. We have a frame index at this point.
SDV = DAG.getDbgValue(Variable, FINode->getIndex(),
0, dl, SDNodeOrder);
- else
+ else {
// Can't do anything with other non-AI cases yet. This might be a
// parameter of a callee function that got inlined, for example.
+ DEBUG(dbgs() << "Dropping debug info for " << DI);
return 0;
+ }
} else if (AI)
SDV = DAG.getDbgValue(Variable, N.getNode(), N.getResNo(),
0, dl, SDNodeOrder);
- else
+ else {
// Can't do anything with other non-AI cases yet.
+ DEBUG(dbgs() << "Dropping debug info for " << DI);
return 0;
+ }
DAG.AddDbgValue(SDV, N.getNode(), isParameter);
} else {
// If Address is an argument then try to emit its dbg value using
}
}
}
- // Otherwise add undef to help track missing debug info.
- SDV = DAG.getDbgValue(Variable, UndefValue::get(Address->getType()),
- 0, dl, SDNodeOrder);
- DAG.AddDbgValue(SDV, 0, false);
+ DEBUG(dbgs() << "Dropping debug info for " << DI);
}
}
return 0;
N.getResNo(), Offset, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, N.getNode(), false);
}
- } else if (isa<PHINode>(V) && !V->use_empty() ) {
+ } else if (!V->use_empty() ) {
// Do not call getValue(V) yet, as we don't want to generate code.
// Remember it for later.
DanglingDebugInfo DDI(&DI, dl, SDNodeOrder);
DanglingDebugInfoMap[V] = DDI;
} else {
// We may expand this to cover more cases. One case where we have no
- // data available is an unreferenced parameter; we need this fallback.
- SDV = DAG.getDbgValue(Variable, UndefValue::get(V->getType()),
- Offset, dl, SDNodeOrder);
- DAG.AddDbgValue(SDV, 0, false);
+ // data available is an unreferenced parameter.
+ DEBUG(dbgs() << "Dropping debug info for " << DI);
}
}
ShOps[1] = DAG.getConstant(0, MVT::i32);
ShAmt = DAG.getNode(ISD::BUILD_VECTOR, dl, ShAmtVT, &ShOps[0], 2);
EVT DestVT = TLI.getValueType(I.getType());
- ShAmt = DAG.getNode(ISD::BIT_CONVERT, dl, DestVT, ShAmt);
+ ShAmt = DAG.getNode(ISD::BITCAST, dl, DestVT, ShAmt);
Res = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, DestVT,
DAG.getConstant(NewIntrinsic, MVT::i32),
getValue(I.getArgOperand(0)), ShAmt);
Ops[3] = getValue(I.getArgOperand(2));
DAG.setRoot(DAG.getMemIntrinsicNode(ISD::PREFETCH, dl,
DAG.getVTList(MVT::Other),
- &Ops[0], 4,
+ &Ops[0], 4,
EVT::getIntegerVT(*Context, 8),
MachinePointerInfo(I.getArgOperand(0)),
0, /* align */
!MMI.callsExternalVAFunctionWithFloatingPointArguments()) {
for (unsigned i = 0, e = I.getNumArgOperands(); i != e; ++i) {
const Type* T = I.getArgOperand(i)->getType();
- for (po_iterator<const Type*> i = po_begin(T), e = po_end(T);
+ for (po_iterator<const Type*> i = po_begin(T), e = po_end(T);
i != e; ++i) {
if (!i->isFloatingPointTy()) continue;
MMI.setCallsExternalVAFunctionWithFloatingPointArguments(true);
// vector types).
EVT RegVT = *PhysReg.second->vt_begin();
if (RegVT.getSizeInBits() == OpInfo.ConstraintVT.getSizeInBits()) {
- OpInfo.CallOperand = DAG.getNode(ISD::BIT_CONVERT, getCurDebugLoc(),
+ OpInfo.CallOperand = DAG.getNode(ISD::BITCAST, getCurDebugLoc(),
RegVT, OpInfo.CallOperand);
OpInfo.ConstraintVT = RegVT;
} else if (RegVT.isInteger() && OpInfo.ConstraintVT.isFloatingPoint()) {
// machine.
RegVT = EVT::getIntegerVT(Context,
OpInfo.ConstraintVT.getSizeInBits());
- OpInfo.CallOperand = DAG.getNode(ISD::BIT_CONVERT, getCurDebugLoc(),
+ OpInfo.CallOperand = DAG.getNode(ISD::BITCAST, getCurDebugLoc(),
RegVT, OpInfo.CallOperand);
OpInfo.ConstraintVT = RegVT;
}
const MDNode *SrcLoc = CS.getInstruction()->getMetadata("srcloc");
AsmNodeOperands.push_back(DAG.getMDNode(SrcLoc));
- // Remember the AlignStack bit as operand 3.
- AsmNodeOperands.push_back(DAG.getTargetConstant(IA->isAlignStack() ? 1 : 0,
- MVT::i1));
+ // Remember the HasSideEffect and AlignStack bits as operand 3.
+ unsigned ExtraInfo = 0;
+ if (IA->hasSideEffects())
+ ExtraInfo |= InlineAsm::Extra_HasSideEffects;
+ if (IA->isAlignStack())
+ ExtraInfo |= InlineAsm::Extra_IsAlignStack;
+ AsmNodeOperands.push_back(DAG.getTargetConstant(ExtraInfo,
+ TLI.getPointerTy()));
// Loop over all of the inputs, copying the operand values into the
// appropriate registers and processing the output regs.
if (Flag.getNode()) AsmNodeOperands.push_back(Flag);
Chain = DAG.getNode(ISD::INLINEASM, getCurDebugLoc(),
- DAG.getVTList(MVT::Other, MVT::Flag),
+ DAG.getVTList(MVT::Other, MVT::Glue),
&AsmNodeOperands[0], AsmNodeOperands.size());
Flag = Chain.getValue(1);
// not have the same VT as was expected. Convert it to the right type
// with bit_convert.
if (ResultType != Val.getValueType() && Val.getValueType().isVector()) {
- Val = DAG.getNode(ISD::BIT_CONVERT, getCurDebugLoc(),
+ Val = DAG.getNode(ISD::BITCAST, getCurDebugLoc(),
ResultType, Val);
} else if (ResultType != Val.getValueType() &&