return true;
}
+/// \brief Return true if the specified node is a BUILD_VECTOR node of
+/// all ConstantFPSDNode or undef.
+bool ISD::isBuildVectorOfConstantFPSDNodes(const SDNode *N) {
+ if (N->getOpcode() != ISD::BUILD_VECTOR)
+ return false;
+
+ for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
+ SDValue Op = N->getOperand(i);
+ if (Op.getOpcode() == ISD::UNDEF)
+ continue;
+ if (!isa<ConstantFPSDNode>(Op))
+ return false;
+ }
+ return true;
+}
+
/// isScalarToVector - Return true if the specified node is a
/// ISD::SCALAR_TO_VECTOR node or a BUILD_VECTOR node where only the low
/// element is not an undef.
case ISD::SUB:
case ISD::SHL: {
const BinaryWithFlagsSDNode *BinNode = cast<BinaryWithFlagsSDNode>(N);
- AddBinaryNodeIDCustom(ID, N->getOpcode(), BinNode->hasNoUnsignedWrap(),
- BinNode->hasNoSignedWrap(), BinNode->isExact());
+ AddBinaryNodeIDCustom(
+ ID, N->getOpcode(), BinNode->Flags.hasNoUnsignedWrap(),
+ BinNode->Flags.hasNoSignedWrap(), BinNode->Flags.hasExact());
break;
}
case ISD::ATOMIC_CMP_SWAP:
if (isBinOpWithFlags(Opcode)) {
BinaryWithFlagsSDNode *FN = new (NodeAllocator) BinaryWithFlagsSDNode(
Opcode, DL.getIROrder(), DL.getDebugLoc(), VTs, N1, N2);
- FN->setHasNoUnsignedWrap(nuw);
- FN->setHasNoSignedWrap(nsw);
- FN->setIsExact(exact);
+ FN->Flags.setNoUnsignedWrap(nuw);
+ FN->Flags.setNoSignedWrap(nsw);
+ FN->Flags.setExact(exact);
return FN;
}
APInt Imm = APInt::getLowBitsSet(BitWidth,
VT.getSizeInBits());
return getNode(ISD::AND, DL, Op.getValueType(), Op,
- getConstant(Imm, Op.getValueType()));
+ getConstant(Imm, DL, Op.getValueType()));
}
SDValue SelectionDAG::getAnyExtendVectorInReg(SDValue Op, SDLoc DL, EVT VT) {
SDValue SelectionDAG::getNOT(SDLoc DL, SDValue Val, EVT VT) {
EVT EltVT = VT.getScalarType();
SDValue NegOne =
- getConstant(APInt::getAllOnesValue(EltVT.getSizeInBits()), VT);
+ getConstant(APInt::getAllOnesValue(EltVT.getSizeInBits()), DL, VT);
return getNode(ISD::XOR, DL, VT, Val, NegOne);
}
switch (TLI->getBooleanContents(VT)) {
case TargetLowering::ZeroOrOneBooleanContent:
case TargetLowering::UndefinedBooleanContent:
- TrueValue = getConstant(1, VT);
+ TrueValue = getConstant(1, DL, VT);
break;
case TargetLowering::ZeroOrNegativeOneBooleanContent:
- TrueValue = getConstant(APInt::getAllOnesValue(EltVT.getSizeInBits()),
+ TrueValue = getConstant(APInt::getAllOnesValue(EltVT.getSizeInBits()), DL,
VT);
break;
}
return getNode(ISD::XOR, DL, VT, Val, TrueValue);
}
-SDValue SelectionDAG::getConstant(uint64_t Val, EVT VT, bool isT, bool isO) {
+SDValue SelectionDAG::getConstant(uint64_t Val, SDLoc DL, EVT VT, bool isT,
+ bool isO) {
EVT EltVT = VT.getScalarType();
assert((EltVT.getSizeInBits() >= 64 ||
(uint64_t)((int64_t)Val >> EltVT.getSizeInBits()) + 1 < 2) &&
"getConstant with a uint64_t value that doesn't fit in the type!");
- return getConstant(APInt(EltVT.getSizeInBits(), Val), VT, isT, isO);
+ return getConstant(APInt(EltVT.getSizeInBits(), Val), DL, VT, isT, isO);
}
-SDValue SelectionDAG::getConstant(const APInt &Val, EVT VT, bool isT, bool isO)
+SDValue SelectionDAG::getConstant(const APInt &Val, SDLoc DL, EVT VT, bool isT,
+ bool isO)
{
- return getConstant(*ConstantInt::get(*Context, Val), VT, isT, isO);
+ return getConstant(*ConstantInt::get(*Context, Val), DL, VT, isT, isO);
}
-SDValue SelectionDAG::getConstant(const ConstantInt &Val, EVT VT, bool isT,
- bool isO) {
+SDValue SelectionDAG::getConstant(const ConstantInt &Val, SDLoc DL, EVT VT,
+ bool isT, bool isO) {
assert(VT.isInteger() && "Cannot create FP integer constant!");
EVT EltVT = VT.getScalarType();
SmallVector<SDValue, 2> EltParts;
for (unsigned i = 0; i < ViaVecNumElts / VT.getVectorNumElements(); ++i) {
EltParts.push_back(getConstant(NewVal.lshr(i * ViaEltSizeInBits)
- .trunc(ViaEltSizeInBits),
+ .trunc(ViaEltSizeInBits), DL,
ViaEltVT, isT, isO));
}
return SDValue(N, 0);
if (!N) {
- N = new (NodeAllocator) ConstantSDNode(isT, isO, Elt, EltVT);
+ N = new (NodeAllocator) ConstantSDNode(isT, isO, Elt, DL.getDebugLoc(),
+ EltVT);
CSEMap.InsertNode(N, IP);
InsertNode(N);
}
return Result;
}
-SDValue SelectionDAG::getIntPtrConstant(uint64_t Val, bool isTarget) {
- return getConstant(Val, TLI->getPointerTy(), isTarget);
+SDValue SelectionDAG::getIntPtrConstant(uint64_t Val, SDLoc DL, bool isTarget) {
+ return getConstant(Val, DL, TLI->getPointerTy(), isTarget);
}
-
-SDValue SelectionDAG::getConstantFP(const APFloat& V, EVT VT, bool isTarget) {
- return getConstantFP(*ConstantFP::get(*getContext(), V), VT, isTarget);
+SDValue SelectionDAG::getConstantFP(const APFloat& V, SDLoc DL, EVT VT,
+ bool isTarget) {
+ return getConstantFP(*ConstantFP::get(*getContext(), V), DL, VT, isTarget);
}
-SDValue SelectionDAG::getConstantFP(const ConstantFP& V, EVT VT, bool isTarget){
+SDValue SelectionDAG::getConstantFP(const ConstantFP& V, SDLoc DL, EVT VT,
+ bool isTarget){
assert(VT.isFloatingPoint() && "Cannot create integer FP constant!");
EVT EltVT = VT.getScalarType();
if (VT.isVector()) {
SmallVector<SDValue, 8> Ops;
Ops.assign(VT.getVectorNumElements(), Result);
- // FIXME SDLoc info might be appropriate here
Result = getNode(ISD::BUILD_VECTOR, SDLoc(), VT, Ops);
}
return Result;
}
-SDValue SelectionDAG::getConstantFP(double Val, EVT VT, bool isTarget) {
+SDValue SelectionDAG::getConstantFP(double Val, SDLoc DL, EVT VT,
+ bool isTarget) {
EVT EltVT = VT.getScalarType();
if (EltVT==MVT::f32)
- return getConstantFP(APFloat((float)Val), VT, isTarget);
+ return getConstantFP(APFloat((float)Val), DL, VT, isTarget);
else if (EltVT==MVT::f64)
- return getConstantFP(APFloat(Val), VT, isTarget);
+ return getConstantFP(APFloat(Val), DL, VT, isTarget);
else if (EltVT==MVT::f80 || EltVT==MVT::f128 || EltVT==MVT::ppcf128 ||
EltVT==MVT::f16) {
bool ignored;
APFloat apf = APFloat(Val);
apf.convert(EVTToAPFloatSemantics(EltVT), APFloat::rmNearestTiesToEven,
&ignored);
- return getConstantFP(apf, VT, isTarget);
+ return getConstantFP(apf, DL, VT, isTarget);
} else
llvm_unreachable("Unsupported type in getConstantFP");
}
// N2 to point at N1.
static void commuteShuffle(SDValue &N1, SDValue &N2, SmallVectorImpl<int> &M) {
std::swap(N1, N2);
- int NElts = M.size();
- for (int i = 0; i != NElts; ++i) {
- if (M[i] >= NElts)
- M[i] -= NElts;
- else if (M[i] >= 0)
- M[i] += NElts;
- }
+ ShuffleVectorSDNode::commuteMask(M);
}
SDValue SelectionDAG::getVectorShuffle(EVT VT, SDLoc dl, SDValue N1,
if (N1.getOpcode() == ISD::UNDEF)
commuteShuffle(N1, N2, MaskVec);
+ // If shuffling a splat, try to blend the splat instead. We do this here so
+ // that even when this arises during lowering we don't have to re-handle it.
+ auto BlendSplat = [&](BuildVectorSDNode *BV, int Offset) {
+ BitVector UndefElements;
+ SDValue Splat = BV->getSplatValue(&UndefElements);
+ if (!Splat)
+ return;
+
+ for (int i = 0; i < (int)NElts; ++i) {
+ if (MaskVec[i] < Offset || MaskVec[i] >= (Offset + (int)NElts))
+ continue;
+
+ // If this input comes from undef, mark it as such.
+ if (UndefElements[MaskVec[i] - Offset]) {
+ MaskVec[i] = -1;
+ continue;
+ }
+
+ // If we can blend a non-undef lane, use that instead.
+ if (!UndefElements[i])
+ MaskVec[i] = i + Offset;
+ }
+ };
+ if (auto *N1BV = dyn_cast<BuildVectorSDNode>(N1))
+ BlendSplat(N1BV, 0);
+ if (auto *N2BV = dyn_cast<BuildVectorSDNode>(N2))
+ BlendSplat(N2BV, NElts);
+
// Canonicalize all index into lhs, -> shuffle lhs, undef
// Canonicalize all index into rhs, -> shuffle rhs, undef
bool AllLHS = true, AllRHS = true;
return getUNDEF(VT);
// If Identity shuffle return that node.
- bool Identity = true;
+ bool Identity = true, AllSame = true;
for (unsigned i = 0; i != NElts; ++i) {
if (MaskVec[i] >= 0 && MaskVec[i] != (int)i) Identity = false;
+ if (MaskVec[i] != MaskVec[0]) AllSame = false;
}
if (Identity && NElts)
return N1;
if (Splat && Splat.getOpcode() == ISD::UNDEF)
return getUNDEF(VT);
+ bool SameNumElts =
+ V.getValueType().getVectorNumElements() == VT.getVectorNumElements();
+
// We only have a splat which can skip shuffles if there is a splatted
// value and no undef lanes rearranged by the shuffle.
if (Splat && UndefElements.none()) {
// Splat of <x, x, ..., x>, return <x, x, ..., x>, provided that the
// number of elements match or the value splatted is a zero constant.
- if (V.getValueType().getVectorNumElements() ==
- VT.getVectorNumElements())
+ if (SameNumElts)
return N1;
if (auto *C = dyn_cast<ConstantSDNode>(Splat))
if (C->isNullValue())
return N1;
}
+
+ // If the shuffle itself creates a splat, build the vector directly.
+ if (AllSame && SameNumElts) {
+ const SDValue &Splatted = BV->getOperand(MaskVec[0]);
+ SmallVector<SDValue, 8> Ops(NElts, Splatted);
+
+ EVT BuildVT = BV->getValueType(0);
+ SDValue NewBV = getNode(ISD::BUILD_VECTOR, dl, BuildVT, Ops);
+
+ // We may have jumped through bitcasts, so the type of the
+ // BUILD_VECTOR may not match the type of the shuffle.
+ if (BuildVT != VT)
+ NewBV = getNode(ISD::BITCAST, dl, VT, NewBV);
+ return NewBV;
+ }
}
}
SDValue SelectionDAG::getCommutedVectorShuffle(const ShuffleVectorSDNode &SV) {
MVT VT = SV.getSimpleValueType(0);
- unsigned NumElems = VT.getVectorNumElements();
- SmallVector<int, 8> MaskVec;
-
- for (unsigned i = 0; i != NumElems; ++i) {
- int Idx = SV.getMaskElt(i);
- if (Idx >= 0) {
- if (Idx < (int)NumElems)
- Idx += NumElems;
- else
- Idx -= NumElems;
- }
- MaskVec.push_back(Idx);
- }
+ SmallVector<int, 8> MaskVec(SV.getMask().begin(), SV.getMask().end());
+ ShuffleVectorSDNode::commuteMask(MaskVec);
SDValue Op0 = SV.getOperand(0);
SDValue Op1 = SV.getOperand(1);
switch (Cond) {
default: break;
case ISD::SETFALSE:
- case ISD::SETFALSE2: return getConstant(0, VT);
+ case ISD::SETFALSE2: return getConstant(0, dl, VT);
case ISD::SETTRUE:
case ISD::SETTRUE2: {
TargetLowering::BooleanContent Cnt =
TLI->getBooleanContents(N1->getValueType(0));
return getConstant(
- Cnt == TargetLowering::ZeroOrNegativeOneBooleanContent ? -1ULL : 1, VT);
+ Cnt == TargetLowering::ZeroOrNegativeOneBooleanContent ? -1ULL : 1, dl,
+ VT);
}
case ISD::SETOEQ:
switch (Cond) {
default: llvm_unreachable("Unknown integer setcc!");
- case ISD::SETEQ: return getConstant(C1 == C2, VT);
- case ISD::SETNE: return getConstant(C1 != C2, VT);
- case ISD::SETULT: return getConstant(C1.ult(C2), VT);
- case ISD::SETUGT: return getConstant(C1.ugt(C2), VT);
- case ISD::SETULE: return getConstant(C1.ule(C2), VT);
- case ISD::SETUGE: return getConstant(C1.uge(C2), VT);
- case ISD::SETLT: return getConstant(C1.slt(C2), VT);
- case ISD::SETGT: return getConstant(C1.sgt(C2), VT);
- case ISD::SETLE: return getConstant(C1.sle(C2), VT);
- case ISD::SETGE: return getConstant(C1.sge(C2), VT);
+ case ISD::SETEQ: return getConstant(C1 == C2, dl, VT);
+ case ISD::SETNE: return getConstant(C1 != C2, dl, VT);
+ case ISD::SETULT: return getConstant(C1.ult(C2), dl, VT);
+ case ISD::SETUGT: return getConstant(C1.ugt(C2), dl, VT);
+ case ISD::SETULE: return getConstant(C1.ule(C2), dl, VT);
+ case ISD::SETUGE: return getConstant(C1.uge(C2), dl, VT);
+ case ISD::SETLT: return getConstant(C1.slt(C2), dl, VT);
+ case ISD::SETGT: return getConstant(C1.sgt(C2), dl, VT);
+ case ISD::SETLE: return getConstant(C1.sle(C2), dl, VT);
+ case ISD::SETGE: return getConstant(C1.sge(C2), dl, VT);
}
}
}
case ISD::SETEQ: if (R==APFloat::cmpUnordered)
return getUNDEF(VT);
// fall through
- case ISD::SETOEQ: return getConstant(R==APFloat::cmpEqual, VT);
+ case ISD::SETOEQ: return getConstant(R==APFloat::cmpEqual, dl, VT);
case ISD::SETNE: if (R==APFloat::cmpUnordered)
return getUNDEF(VT);
// fall through
case ISD::SETONE: return getConstant(R==APFloat::cmpGreaterThan ||
- R==APFloat::cmpLessThan, VT);
+ R==APFloat::cmpLessThan, dl, VT);
case ISD::SETLT: if (R==APFloat::cmpUnordered)
return getUNDEF(VT);
// fall through
- case ISD::SETOLT: return getConstant(R==APFloat::cmpLessThan, VT);
+ case ISD::SETOLT: return getConstant(R==APFloat::cmpLessThan, dl, VT);
case ISD::SETGT: if (R==APFloat::cmpUnordered)
return getUNDEF(VT);
// fall through
- case ISD::SETOGT: return getConstant(R==APFloat::cmpGreaterThan, VT);
+ case ISD::SETOGT: return getConstant(R==APFloat::cmpGreaterThan, dl, VT);
case ISD::SETLE: if (R==APFloat::cmpUnordered)
return getUNDEF(VT);
// fall through
case ISD::SETOLE: return getConstant(R==APFloat::cmpLessThan ||
- R==APFloat::cmpEqual, VT);
+ R==APFloat::cmpEqual, dl, VT);
case ISD::SETGE: if (R==APFloat::cmpUnordered)
return getUNDEF(VT);
// fall through
case ISD::SETOGE: return getConstant(R==APFloat::cmpGreaterThan ||
- R==APFloat::cmpEqual, VT);
- case ISD::SETO: return getConstant(R!=APFloat::cmpUnordered, VT);
- case ISD::SETUO: return getConstant(R==APFloat::cmpUnordered, VT);
+ R==APFloat::cmpEqual, dl, VT);
+ case ISD::SETO: return getConstant(R!=APFloat::cmpUnordered, dl, VT);
+ case ISD::SETUO: return getConstant(R==APFloat::cmpUnordered, dl, VT);
case ISD::SETUEQ: return getConstant(R==APFloat::cmpUnordered ||
- R==APFloat::cmpEqual, VT);
- case ISD::SETUNE: return getConstant(R!=APFloat::cmpEqual, VT);
+ R==APFloat::cmpEqual, dl, VT);
+ case ISD::SETUNE: return getConstant(R!=APFloat::cmpEqual, dl, VT);
case ISD::SETULT: return getConstant(R==APFloat::cmpUnordered ||
- R==APFloat::cmpLessThan, VT);
+ R==APFloat::cmpLessThan, dl, VT);
case ISD::SETUGT: return getConstant(R==APFloat::cmpGreaterThan ||
- R==APFloat::cmpUnordered, VT);
- case ISD::SETULE: return getConstant(R!=APFloat::cmpGreaterThan, VT);
- case ISD::SETUGE: return getConstant(R!=APFloat::cmpLessThan, VT);
+ R==APFloat::cmpUnordered, dl, VT);
+ case ISD::SETULE: return getConstant(R!=APFloat::cmpGreaterThan, dl, VT);
+ case ISD::SETUGE: return getConstant(R!=APFloat::cmpLessThan, dl, VT);
}
} else {
// Ensure that the constant occurs on the RHS.
KnownZero = APInt::getHighBitsSet(BitWidth, Leaders);
break;
}
+ case ISD::EXTRACT_ELEMENT: {
+ computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, Depth+1);
+ const unsigned Index =
+ cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
+ const unsigned BitWidth = Op.getValueType().getSizeInBits();
+
+ // Remove low part of known bits mask
+ KnownZero = KnownZero.getHiBits(KnownZero.getBitWidth() - Index * BitWidth);
+ KnownOne = KnownOne.getHiBits(KnownOne.getBitWidth() - Index * BitWidth);
+
+ // Remove high part of known bit mask
+ KnownZero = KnownZero.trunc(BitWidth);
+ KnownOne = KnownOne.trunc(BitWidth);
+ break;
+ }
case ISD::FrameIndex:
case ISD::TargetFrameIndex:
if (unsigned Align = InferPtrAlignment(Op)) {
// FIXME: it's tricky to do anything useful for this, but it is an important
// case for targets like X86.
break;
+ case ISD::EXTRACT_ELEMENT: {
+ const int KnownSign = ComputeNumSignBits(Op.getOperand(0), Depth+1);
+ const int BitWidth = Op.getValueType().getSizeInBits();
+ const int Items =
+ Op.getOperand(0).getValueType().getSizeInBits() / BitWidth;
+
+ // Get reverse index (starting from 1), Op1 value indexes elements from
+ // little end. Sign starts at big end.
+ const int rIndex = Items - 1 -
+ cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
+
+ // If the sign portion ends in our element the substraction gives correct
+ // result. Otherwise it gives either negative or > bitwidth result
+ return std::max(std::min(KnownSign - rIndex * BitWidth, BitWidth), 0);
+ }
}
// If we are looking at the loaded value of the SDNode.
switch (Opcode) {
default: break;
case ISD::SIGN_EXTEND:
- return getConstant(Val.sextOrTrunc(VT.getSizeInBits()), VT,
+ return getConstant(Val.sextOrTrunc(VT.getSizeInBits()), DL, VT,
C->isTargetOpcode(), C->isOpaque());
case ISD::ANY_EXTEND:
case ISD::ZERO_EXTEND:
case ISD::TRUNCATE:
- return getConstant(Val.zextOrTrunc(VT.getSizeInBits()), VT,
+ return getConstant(Val.zextOrTrunc(VT.getSizeInBits()), DL, VT,
C->isTargetOpcode(), C->isOpaque());
case ISD::UINT_TO_FP:
case ISD::SINT_TO_FP: {
(void)apf.convertFromAPInt(Val,
Opcode==ISD::SINT_TO_FP,
APFloat::rmNearestTiesToEven);
- return getConstantFP(apf, VT);
+ return getConstantFP(apf, DL, VT);
}
case ISD::BITCAST:
if (VT == MVT::f16 && C->getValueType(0) == MVT::i16)
- return getConstantFP(APFloat(APFloat::IEEEhalf, Val), VT);
+ return getConstantFP(APFloat(APFloat::IEEEhalf, Val), DL, VT);
if (VT == MVT::f32 && C->getValueType(0) == MVT::i32)
- return getConstantFP(APFloat(APFloat::IEEEsingle, Val), VT);
+ return getConstantFP(APFloat(APFloat::IEEEsingle, Val), DL, VT);
else if (VT == MVT::f64 && C->getValueType(0) == MVT::i64)
- return getConstantFP(APFloat(APFloat::IEEEdouble, Val), VT);
+ return getConstantFP(APFloat(APFloat::IEEEdouble, Val), DL, VT);
break;
case ISD::BSWAP:
- return getConstant(Val.byteSwap(), VT, C->isTargetOpcode(),
+ return getConstant(Val.byteSwap(), DL, VT, C->isTargetOpcode(),
C->isOpaque());
case ISD::CTPOP:
- return getConstant(Val.countPopulation(), VT, C->isTargetOpcode(),
+ return getConstant(Val.countPopulation(), DL, VT, C->isTargetOpcode(),
C->isOpaque());
case ISD::CTLZ:
case ISD::CTLZ_ZERO_UNDEF:
- return getConstant(Val.countLeadingZeros(), VT, C->isTargetOpcode(),
+ return getConstant(Val.countLeadingZeros(), DL, VT, C->isTargetOpcode(),
C->isOpaque());
case ISD::CTTZ:
case ISD::CTTZ_ZERO_UNDEF:
- return getConstant(Val.countTrailingZeros(), VT, C->isTargetOpcode(),
+ return getConstant(Val.countTrailingZeros(), DL, VT, C->isTargetOpcode(),
C->isOpaque());
}
}
switch (Opcode) {
case ISD::FNEG:
V.changeSign();
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
case ISD::FABS:
V.clearSign();
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
case ISD::FCEIL: {
APFloat::opStatus fs = V.roundToIntegral(APFloat::rmTowardPositive);
if (fs == APFloat::opOK || fs == APFloat::opInexact)
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
break;
}
case ISD::FTRUNC: {
APFloat::opStatus fs = V.roundToIntegral(APFloat::rmTowardZero);
if (fs == APFloat::opOK || fs == APFloat::opInexact)
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
break;
}
case ISD::FFLOOR: {
APFloat::opStatus fs = V.roundToIntegral(APFloat::rmTowardNegative);
if (fs == APFloat::opOK || fs == APFloat::opInexact)
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
break;
}
case ISD::FP_EXTEND: {
// FIXME need to be more flexible about rounding mode.
(void)V.convert(EVTToAPFloatSemantics(VT),
APFloat::rmNearestTiesToEven, &ignored);
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
}
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT: {
if (s==APFloat::opInvalidOp) // inexact is OK, in fact usual
break;
APInt api(VT.getSizeInBits(), x);
- return getConstant(api, VT);
+ return getConstant(api, DL, VT);
}
case ISD::BITCAST:
if (VT == MVT::i16 && C->getValueType(0) == MVT::f16)
- return getConstant((uint16_t)V.bitcastToAPInt().getZExtValue(), VT);
+ return getConstant((uint16_t)V.bitcastToAPInt().getZExtValue(), DL, VT);
else if (VT == MVT::i32 && C->getValueType(0) == MVT::f32)
- return getConstant((uint32_t)V.bitcastToAPInt().getZExtValue(), VT);
+ return getConstant((uint32_t)V.bitcastToAPInt().getZExtValue(), DL, VT);
else if (VT == MVT::i64 && C->getValueType(0) == MVT::f64)
- return getConstant(V.bitcastToAPInt().getZExtValue(), VT);
+ return getConstant(V.bitcastToAPInt().getZExtValue(), DL, VT);
break;
}
}
- // Constant fold unary operations with a vector integer operand.
+ // Constant fold unary operations with a vector integer or float operand.
if (BuildVectorSDNode *BV = dyn_cast<BuildVectorSDNode>(Operand.getNode())) {
if (BV->isConstant()) {
switch (Opcode) {
// FIXME: Entirely reasonable to perform folding of other unary
// operations here as the need arises.
break;
+ case ISD::FNEG:
+ case ISD::FABS:
+ case ISD::FCEIL:
+ case ISD::FTRUNC:
+ case ISD::FFLOOR:
+ case ISD::FP_EXTEND:
+ case ISD::FP_TO_SINT:
+ case ISD::FP_TO_UINT:
+ case ISD::TRUNCATE:
case ISD::UINT_TO_FP:
case ISD::SINT_TO_FP: {
+ EVT SVT = VT.getScalarType();
+ EVT InVT = BV->getValueType(0);
+ EVT InSVT = InVT.getScalarType();
+
+ // Find legal integer scalar type for constant promotion.
+ EVT LegalSVT = SVT;
+ if (SVT.isInteger()) {
+ LegalSVT = TLI->getTypeToTransformTo(*getContext(), SVT);
+ assert(LegalSVT.bitsGE(SVT) && "Unexpected legal scalar type size");
+ }
+
+ // Let the above scalar folding handle the folding of each element.
SmallVector<SDValue, 8> Ops;
for (int i = 0, e = VT.getVectorNumElements(); i != e; ++i) {
SDValue OpN = BV->getOperand(i);
- // Let the above scalar folding handle the conversion of each
- // element.
- OpN = getNode(ISD::SINT_TO_FP, DL, VT.getVectorElementType(),
- OpN);
+ EVT OpVT = OpN.getValueType();
+
+ // Build vector (integer) scalar operands may need implicit
+ // truncation - do this before constant folding.
+ if (OpVT.isInteger() && OpVT.bitsGT(InSVT))
+ OpN = getNode(ISD::TRUNCATE, DL, InSVT, OpN);
+
+ OpN = getNode(Opcode, DL, SVT, OpN);
+
+ // Legalize the (integer) scalar constant if necessary.
+ if (LegalSVT != SVT)
+ OpN = getNode(ISD::ANY_EXTEND, DL, LegalSVT, OpN);
+
+ if (OpN.getOpcode() != ISD::UNDEF &&
+ OpN.getOpcode() != ISD::Constant &&
+ OpN.getOpcode() != ISD::ConstantFP)
+ break;
Ops.push_back(OpN);
}
- return getNode(ISD::BUILD_VECTOR, DL, VT, Ops);
+ if (Ops.size() == VT.getVectorNumElements())
+ return getNode(ISD::BUILD_VECTOR, DL, VT, Ops);
+ break;
}
}
}
return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));
else if (OpOpcode == ISD::UNDEF)
// sext(undef) = 0, because the top bits will all be the same.
- return getConstant(0, VT);
+ return getConstant(0, DL, VT);
break;
case ISD::ZERO_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
Operand.getNode()->getOperand(0));
else if (OpOpcode == ISD::UNDEF)
// zext(undef) = 0, because the top bits will be zero.
- return getConstant(0, VT);
+ return getConstant(0, DL, VT);
break;
case ISD::ANY_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
return SDValue(N, 0);
}
-SDValue SelectionDAG::FoldConstantArithmetic(unsigned Opcode, EVT VT,
+SDValue SelectionDAG::FoldConstantArithmetic(unsigned Opcode, SDLoc DL, EVT VT,
SDNode *Cst1, SDNode *Cst2) {
// If the opcode is a target-specific ISD node, there's nothing we can
// do here and the operand rules may not line up with the below, so
switch (Opcode) {
case ISD::ADD:
- Outputs.push_back(getConstant(C1 + C2, SVT));
+ Outputs.push_back(getConstant(C1 + C2, DL, SVT));
break;
case ISD::SUB:
- Outputs.push_back(getConstant(C1 - C2, SVT));
+ Outputs.push_back(getConstant(C1 - C2, DL, SVT));
break;
case ISD::MUL:
- Outputs.push_back(getConstant(C1 * C2, SVT));
+ Outputs.push_back(getConstant(C1 * C2, DL, SVT));
break;
case ISD::UDIV:
if (!C2.getBoolValue())
return SDValue();
- Outputs.push_back(getConstant(C1.udiv(C2), SVT));
+ Outputs.push_back(getConstant(C1.udiv(C2), DL, SVT));
break;
case ISD::UREM:
if (!C2.getBoolValue())
return SDValue();
- Outputs.push_back(getConstant(C1.urem(C2), SVT));
+ Outputs.push_back(getConstant(C1.urem(C2), DL, SVT));
break;
case ISD::SDIV:
if (!C2.getBoolValue())
return SDValue();
- Outputs.push_back(getConstant(C1.sdiv(C2), SVT));
+ Outputs.push_back(getConstant(C1.sdiv(C2), DL, SVT));
break;
case ISD::SREM:
if (!C2.getBoolValue())
return SDValue();
- Outputs.push_back(getConstant(C1.srem(C2), SVT));
+ Outputs.push_back(getConstant(C1.srem(C2), DL, SVT));
break;
case ISD::AND:
- Outputs.push_back(getConstant(C1 & C2, SVT));
+ Outputs.push_back(getConstant(C1 & C2, DL, SVT));
break;
case ISD::OR:
- Outputs.push_back(getConstant(C1 | C2, SVT));
+ Outputs.push_back(getConstant(C1 | C2, DL, SVT));
break;
case ISD::XOR:
- Outputs.push_back(getConstant(C1 ^ C2, SVT));
+ Outputs.push_back(getConstant(C1 ^ C2, DL, SVT));
break;
case ISD::SHL:
- Outputs.push_back(getConstant(C1 << C2, SVT));
+ Outputs.push_back(getConstant(C1 << C2, DL, SVT));
break;
case ISD::SRL:
- Outputs.push_back(getConstant(C1.lshr(C2), SVT));
+ Outputs.push_back(getConstant(C1.lshr(C2), DL, SVT));
break;
case ISD::SRA:
- Outputs.push_back(getConstant(C1.ashr(C2), SVT));
+ Outputs.push_back(getConstant(C1.ashr(C2), DL, SVT));
break;
case ISD::ROTL:
- Outputs.push_back(getConstant(C1.rotl(C2), SVT));
+ Outputs.push_back(getConstant(C1.rotl(C2), DL, SVT));
break;
case ISD::ROTR:
- Outputs.push_back(getConstant(C1.rotr(C2), SVT));
+ Outputs.push_back(getConstant(C1.rotr(C2), DL, SVT));
break;
default:
return SDValue();
SmallVector<SDValue, 16> Elts(N1.getNode()->op_begin(),
N1.getNode()->op_end());
Elts.append(N2.getNode()->op_begin(), N2.getNode()->op_end());
+
+ // BUILD_VECTOR requires all inputs to be of the same type, find the
+ // maximum type and extend them all.
+ EVT SVT = VT.getScalarType();
+ for (SDValue Op : Elts)
+ SVT = (SVT.bitsLT(Op.getValueType()) ? Op.getValueType() : SVT);
+ if (SVT.bitsGT(VT.getScalarType()))
+ for (SDValue &Op : Elts)
+ Op = TLI->isZExtFree(Op.getValueType(), SVT)
+ ? getZExtOrTrunc(Op, DL, SVT)
+ : getSExtOrTrunc(Op, DL, SVT);
+
return getNode(ISD::BUILD_VECTOR, DL, VT, Elts);
}
break;
unsigned FromBits = EVT.getScalarType().getSizeInBits();
Val <<= Val.getBitWidth()-FromBits;
Val = Val.ashr(Val.getBitWidth()-FromBits);
- return getConstant(Val, VT);
+ return getConstant(Val, DL, VT);
}
break;
}
if (N1.getOpcode() == ISD::UNDEF)
return getUNDEF(VT);
+ // EXTRACT_VECTOR_ELT of out-of-bounds element is an UNDEF
+ if (N2C && N2C->getZExtValue() >= N1.getValueType().getVectorNumElements())
+ return getUNDEF(VT);
+
// EXTRACT_VECTOR_ELT of CONCAT_VECTORS is often formed while lowering is
// expanding copies of large vectors from registers.
if (N2C &&
N1.getOperand(0).getValueType().getVectorNumElements();
return getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT,
N1.getOperand(N2C->getZExtValue() / Factor),
- getConstant(N2C->getZExtValue() % Factor,
+ getConstant(N2C->getZExtValue() % Factor, DL,
N2.getValueType()));
}
unsigned ElementSize = VT.getSizeInBits();
unsigned Shift = ElementSize * N2C->getZExtValue();
APInt ShiftedVal = C->getAPIntValue().lshr(Shift);
- return getConstant(ShiftedVal.trunc(ElementSize), VT);
+ return getConstant(ShiftedVal.trunc(ElementSize), DL, VT);
}
break;
case ISD::EXTRACT_SUBVECTOR: {
// Perform trivial constant folding.
if (SDValue SV =
- FoldConstantArithmetic(Opcode, VT, N1.getNode(), N2.getNode()))
+ FoldConstantArithmetic(Opcode, DL, VT, N1.getNode(), N2.getNode()))
return SV;
// Canonicalize constant to RHS if commutative.
case ISD::FADD:
s = V1.add(V2, APFloat::rmNearestTiesToEven);
if (!HasFPExceptions || s != APFloat::opInvalidOp)
- return getConstantFP(V1, VT);
+ return getConstantFP(V1, DL, VT);
break;
case ISD::FSUB:
s = V1.subtract(V2, APFloat::rmNearestTiesToEven);
if (!HasFPExceptions || s!=APFloat::opInvalidOp)
- return getConstantFP(V1, VT);
+ return getConstantFP(V1, DL, VT);
break;
case ISD::FMUL:
s = V1.multiply(V2, APFloat::rmNearestTiesToEven);
if (!HasFPExceptions || s!=APFloat::opInvalidOp)
- return getConstantFP(V1, VT);
+ return getConstantFP(V1, DL, VT);
break;
case ISD::FDIV:
s = V1.divide(V2, APFloat::rmNearestTiesToEven);
if (!HasFPExceptions || (s!=APFloat::opInvalidOp &&
s!=APFloat::opDivByZero)) {
- return getConstantFP(V1, VT);
+ return getConstantFP(V1, DL, VT);
}
break;
case ISD::FREM :
s = V1.mod(V2, APFloat::rmNearestTiesToEven);
if (!HasFPExceptions || (s!=APFloat::opInvalidOp &&
s!=APFloat::opDivByZero)) {
- return getConstantFP(V1, VT);
+ return getConstantFP(V1, DL, VT);
}
break;
case ISD::FCOPYSIGN:
V1.copySign(V2);
- return getConstantFP(V1, VT);
+ return getConstantFP(V1, DL, VT);
default: break;
}
}
// FIXME need to be more flexible about rounding mode.
(void)V.convert(EVTToAPFloatSemantics(VT),
APFloat::rmNearestTiesToEven, &ignored);
- return getConstantFP(V, VT);
+ return getConstantFP(V, DL, VT);
}
}
case ISD::SRL:
case ISD::SHL:
if (!VT.isVector())
- return getConstant(0, VT); // fold op(undef, arg2) -> 0
+ return getConstant(0, DL, VT); // fold op(undef, arg2) -> 0
// For vectors, we can't easily build an all zero vector, just return
// the LHS.
return N2;
if (N1.getOpcode() == ISD::UNDEF)
// Handle undef ^ undef -> 0 special case. This is a common
// idiom (misuse).
- return getConstant(0, VT);
+ return getConstant(0, DL, VT);
// fallthrough
case ISD::ADD:
case ISD::ADDC:
case ISD::SRL:
case ISD::SHL:
if (!VT.isVector())
- return getConstant(0, VT); // fold op(arg1, undef) -> 0
+ return getConstant(0, DL, VT); // fold op(arg1, undef) -> 0
// For vectors, we can't easily build an all zero vector, just return
// the LHS.
return N1;
case ISD::OR:
if (!VT.isVector())
- return getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), VT);
+ return getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), DL, VT);
// For vectors, we can't easily build an all one vector, just return
// the LHS.
return N1;
CSEMap.InsertNode(N, IP);
} else {
-
N = GetBinarySDNode(Opcode, DL, VTs, N1, N2, nuw, nsw, exact);
}
const APFloat &V3 = N3CFP->getValueAPF();
APFloat::opStatus s =
V1.fusedMultiplyAdd(V2, V3, APFloat::rmNearestTiesToEven);
- if (s != APFloat::opInvalidOp)
- return getConstantFP(V1, VT);
+ if (!TLI->hasFloatingPointExceptions() || s != APFloat::opInvalidOp)
+ return getConstantFP(V1, DL, VT);
}
break;
}
assert(C->getAPIntValue().getBitWidth() == 8);
APInt Val = APInt::getSplat(NumBits, C->getAPIntValue());
if (VT.isInteger())
- return DAG.getConstant(Val, VT);
- return DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(VT), Val), VT);
+ return DAG.getConstant(Val, dl, VT);
+ return DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(VT), Val), dl,
+ VT);
}
- Value = DAG.getNode(ISD::ZERO_EXTEND, dl, VT, Value);
+ assert(Value.getValueType() == MVT::i8 && "memset with non-byte fill value?");
+ EVT IntVT = VT.getScalarType();
+ if (!IntVT.isInteger())
+ IntVT = EVT::getIntegerVT(*DAG.getContext(), IntVT.getSizeInBits());
+
+ Value = DAG.getNode(ISD::ZERO_EXTEND, dl, IntVT, Value);
if (NumBits > 8) {
// Use a multiplication with 0x010101... to extend the input to the
// required length.
APInt Magic = APInt::getSplat(NumBits, APInt(8, 0x01));
- Value = DAG.getNode(ISD::MUL, dl, VT, Value, DAG.getConstant(Magic, VT));
+ Value = DAG.getNode(ISD::MUL, dl, IntVT, Value,
+ DAG.getConstant(Magic, dl, IntVT));
+ }
+
+ if (VT != Value.getValueType() && !VT.isInteger())
+ Value = DAG.getNode(ISD::BITCAST, dl, VT.getScalarType(), Value);
+ if (VT != Value.getValueType()) {
+ assert(VT.getVectorElementType() == Value.getValueType() &&
+ "value type should be one vector element here");
+ SmallVector<SDValue, 8> BVOps(VT.getVectorNumElements(), Value);
+ Value = DAG.getNode(ISD::BUILD_VECTOR, dl, VT, BVOps);
}
return Value;
// Handle vector with all elements zero.
if (Str.empty()) {
if (VT.isInteger())
- return DAG.getConstant(0, VT);
+ return DAG.getConstant(0, dl, VT);
else if (VT == MVT::f32 || VT == MVT::f64 || VT == MVT::f128)
- return DAG.getConstantFP(0.0, VT);
+ return DAG.getConstantFP(0.0, dl, VT);
else if (VT.isVector()) {
unsigned NumElts = VT.getVectorNumElements();
MVT EltVT = (VT.getVectorElementType() == MVT::f32) ? MVT::i32 : MVT::i64;
return DAG.getNode(ISD::BITCAST, dl, VT,
- DAG.getConstant(0, EVT::getVectorVT(*DAG.getContext(),
- EltVT, NumElts)));
+ DAG.getConstant(0, dl,
+ EVT::getVectorVT(*DAG.getContext(),
+ EltVT, NumElts)));
} else
llvm_unreachable("Expected type!");
}
// of a load, then it is cost effective to turn the load into the immediate.
Type *Ty = VT.getTypeForEVT(*DAG.getContext());
if (TLI.shouldConvertConstantLoadToIntImm(Val, Ty))
- return DAG.getConstant(Val, VT);
+ return DAG.getConstant(Val, dl, VT);
return SDValue(nullptr, 0);
}
SelectionDAG &DAG) {
EVT VT = Base.getValueType();
return DAG.getNode(ISD::ADD, dl,
- VT, Base, DAG.getConstant(Offset, VT));
+ VT, Base, DAG.getConstant(Offset, dl, VT));
}
/// isMemSrcFromString - Returns true if memcpy source is a string constant.
bool DstAlignCanChange = false;
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- bool OptSize =
- MF.getFunction()->getAttributes().
- hasAttribute(AttributeSet::FunctionIndex, Attribute::OptimizeForSize);
+ bool OptSize = MF.getFunction()->hasFnAttribute(Attribute::OptimizeForSize);
FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
DstAlignCanChange = true;
bool DstAlignCanChange = false;
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- bool OptSize = MF.getFunction()->getAttributes().
- hasAttribute(AttributeSet::FunctionIndex, Attribute::OptimizeForSize);
+ bool OptSize = MF.getFunction()->hasFnAttribute(Attribute::OptimizeForSize);
FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
DstAlignCanChange = true;
bool DstAlignCanChange = false;
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- bool OptSize = MF.getFunction()->getAttributes().
- hasAttribute(AttributeSet::FunctionIndex, Attribute::OptimizeForSize);
+ bool OptSize = MF.getFunction()->hasFnAttribute(Attribute::OptimizeForSize);
FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
DstAlignCanChange = true;
SDValue SelectionDAG::getMemcpy(SDValue Chain, SDLoc dl, SDValue Dst,
SDValue Src, SDValue Size,
unsigned Align, bool isVol, bool AlwaysInline,
- MachinePointerInfo DstPtrInfo,
+ bool isTailCall, MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) {
assert(Align && "The SDAG layer expects explicit alignment and reserves 0");
// Then check to see if we should lower the memcpy with target-specific
// code. If the target chooses to do this, this is the next best.
- SDValue Result =
- TSI->EmitTargetCodeForMemcpy(*this, dl, Chain, Dst, Src, Size, Align,
- isVol, AlwaysInline, DstPtrInfo, SrcPtrInfo);
- if (Result.getNode())
- return Result;
+ if (TSI) {
+ SDValue Result = TSI->EmitTargetCodeForMemcpy(
+ *this, dl, Chain, Dst, Src, Size, Align, isVol, AlwaysInline,
+ DstPtrInfo, SrcPtrInfo);
+ if (Result.getNode())
+ return Result;
+ }
// If we really need inline code and the target declined to provide it,
// use a (potentially long) sequence of loads and stores.
Type::getVoidTy(*getContext()),
getExternalSymbol(TLI->getLibcallName(RTLIB::MEMCPY),
TLI->getPointerTy()), std::move(Args), 0)
- .setDiscardResult();
- std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI);
+ .setDiscardResult()
+ .setTailCall(isTailCall);
+ std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI);
return CallResult.second;
}
SDValue SelectionDAG::getMemmove(SDValue Chain, SDLoc dl, SDValue Dst,
SDValue Src, SDValue Size,
- unsigned Align, bool isVol,
+ unsigned Align, bool isVol, bool isTailCall,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) {
assert(Align && "The SDAG layer expects explicit alignment and reserves 0");
// Then check to see if we should lower the memmove with target-specific
// code. If the target chooses to do this, this is the next best.
- SDValue Result = TSI->EmitTargetCodeForMemmove(
- *this, dl, Chain, Dst, Src, Size, Align, isVol, DstPtrInfo, SrcPtrInfo);
- if (Result.getNode())
- return Result;
+ if (TSI) {
+ SDValue Result = TSI->EmitTargetCodeForMemmove(
+ *this, dl, Chain, Dst, Src, Size, Align, isVol, DstPtrInfo, SrcPtrInfo);
+ if (Result.getNode())
+ return Result;
+ }
// FIXME: If the memmove is volatile, lowering it to plain libc memmove may
// not be safe. See memcpy above for more details.
Type::getVoidTy(*getContext()),
getExternalSymbol(TLI->getLibcallName(RTLIB::MEMMOVE),
TLI->getPointerTy()), std::move(Args), 0)
- .setDiscardResult();
- std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI);
+ .setDiscardResult()
+ .setTailCall(isTailCall);
+ std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI);
return CallResult.second;
}
SDValue SelectionDAG::getMemset(SDValue Chain, SDLoc dl, SDValue Dst,
SDValue Src, SDValue Size,
- unsigned Align, bool isVol,
+ unsigned Align, bool isVol, bool isTailCall,
MachinePointerInfo DstPtrInfo) {
assert(Align && "The SDAG layer expects explicit alignment and reserves 0");
// Then check to see if we should lower the memset with target-specific
// code. If the target chooses to do this, this is the next best.
- SDValue Result = TSI->EmitTargetCodeForMemset(*this, dl, Chain, Dst, Src,
- Size, Align, isVol, DstPtrInfo);
- if (Result.getNode())
- return Result;
+ if (TSI) {
+ SDValue Result = TSI->EmitTargetCodeForMemset(
+ *this, dl, Chain, Dst, Src, Size, Align, isVol, DstPtrInfo);
+ if (Result.getNode())
+ return Result;
+ }
// Emit a library call.
Type *IntPtrTy = TLI->getDataLayout()->getIntPtrType(*getContext());
Type::getVoidTy(*getContext()),
getExternalSymbol(TLI->getLibcallName(RTLIB::MEMSET),
TLI->getPointerTy()), std::move(Args), 0)
- .setDiscardResult();
+ .setDiscardResult()
+ .setTailCall(isTailCall);
std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI);
return CallResult.second;
assert(VT.isInteger() == MemVT.isInteger() &&
"Cannot convert from FP to Int or Int -> FP!");
assert(VT.isVector() == MemVT.isVector() &&
- "Cannot use trunc store to convert to or from a vector!");
+ "Cannot use an ext load to convert to or from a vector!");
assert((!VT.isVector() ||
VT.getVectorNumElements() == MemVT.getVectorNumElements()) &&
- "Cannot use trunc store to change the number of vector elements!");
+ "Cannot use an ext load to change the number of vector elements!");
}
bool Indexed = AM != ISD::UNINDEXED;
return SDValue(N, 0);
}
+SDValue
+SelectionDAG::getMaskedGather(SDVTList VTs, EVT VT, SDLoc dl,
+ ArrayRef<SDValue> Ops,
+ MachineMemOperand *MMO) {
+
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::MGATHER, VTs, Ops);
+ ID.AddInteger(VT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(ISD::NON_EXTLOAD, ISD::UNINDEXED,
+ MMO->isVolatile(),
+ MMO->isNonTemporal(),
+ MMO->isInvariant()));
+ ID.AddInteger(MMO->getPointerInfo().getAddrSpace());
+ void *IP = nullptr;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) {
+ cast<MaskedGatherSDNode>(E)->refineAlignment(MMO);
+ return SDValue(E, 0);
+ }
+ MaskedGatherSDNode *N =
+ new (NodeAllocator) MaskedGatherSDNode(dl.getIROrder(), dl.getDebugLoc(),
+ Ops, VTs, VT, MMO);
+ CSEMap.InsertNode(N, IP);
+ InsertNode(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getMaskedScatter(SDVTList VTs, EVT VT, SDLoc dl,
+ ArrayRef<SDValue> Ops,
+ MachineMemOperand *MMO) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::MSCATTER, VTs, Ops);
+ ID.AddInteger(VT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(false, ISD::UNINDEXED, MMO->isVolatile(),
+ MMO->isNonTemporal(),
+ MMO->isInvariant()));
+ ID.AddInteger(MMO->getPointerInfo().getAddrSpace());
+ void *IP = nullptr;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) {
+ cast<MaskedScatterSDNode>(E)->refineAlignment(MMO);
+ return SDValue(E, 0);
+ }
+ SDNode *N =
+ new (NodeAllocator) MaskedScatterSDNode(dl.getIROrder(), dl.getDebugLoc(),
+ Ops, VTs, VT, MMO);
+ CSEMap.InsertNode(N, IP);
+ InsertNode(N);
+ return SDValue(N, 0);
+}
+
SDValue SelectionDAG::getVAArg(EVT VT, SDLoc dl,
SDValue Chain, SDValue Ptr,
SDValue SV,
unsigned Align) {
- SDValue Ops[] = { Chain, Ptr, SV, getTargetConstant(Align, MVT::i32) };
+ SDValue Ops[] = { Chain, Ptr, SV, getTargetConstant(Align, dl, MVT::i32) };
return getNode(ISD::VAARG, dl, getVTList(VT, MVT::Other), Ops);
}
assert(N->getNumOperands() == NumOps &&
"Update with wrong number of operands");
- // Check to see if there is no change.
- bool AnyChange = false;
- for (unsigned i = 0; i != NumOps; ++i) {
- if (Ops[i] != N->getOperand(i)) {
- AnyChange = true;
- break;
- }
- }
-
- // No operands changed, just return the input node.
- if (!AnyChange) return N;
+ // If no operands changed just return the input node.
+ if (Ops.empty() || std::equal(Ops.begin(), Ops.end(), N->op_begin()))
+ return N;
// See if the modified node already exists.
void *InsertPos = nullptr;
/// For IROrder, we keep the smaller of the two
SDNode *SelectionDAG::UpdadeSDLocOnMergedSDNode(SDNode *N, SDLoc OLoc) {
DebugLoc NLoc = N->getDebugLoc();
- if (!(NLoc.isUnknown()) && (OptLevel == CodeGenOpt::None) &&
- (OLoc.getDebugLoc() != NLoc)) {
+ if (NLoc && OptLevel == CodeGenOpt::None && OLoc.getDebugLoc() != NLoc) {
N->setDebugLoc(DebugLoc());
}
unsigned Order = std::min(N->getIROrder(), OLoc.getIROrder());
SDValue
SelectionDAG::getTargetExtractSubreg(int SRIdx, SDLoc DL, EVT VT,
SDValue Operand) {
- SDValue SRIdxVal = getTargetConstant(SRIdx, MVT::i32);
+ SDValue SRIdxVal = getTargetConstant(SRIdx, DL, MVT::i32);
SDNode *Subreg = getMachineNode(TargetOpcode::EXTRACT_SUBREG, DL,
VT, Operand, SRIdxVal);
return SDValue(Subreg, 0);
SDValue
SelectionDAG::getTargetInsertSubreg(int SRIdx, SDLoc DL, EVT VT,
SDValue Operand, SDValue Subreg) {
- SDValue SRIdxVal = getTargetConstant(SRIdx, MVT::i32);
+ SDValue SRIdxVal = getTargetConstant(SRIdx, DL, MVT::i32);
SDNode *Result = getMachineNode(TargetOpcode::INSERT_SUBREG, DL,
VT, Operand, Subreg, SRIdxVal);
return SDValue(Result, 0);
SDDbgValue *SelectionDAG::getDbgValue(MDNode *Var, MDNode *Expr, SDNode *N,
unsigned R, bool IsIndirect, uint64_t Off,
DebugLoc DL, unsigned O) {
+ assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
+ "Expected inlined-at fields to agree");
return new (Allocator) SDDbgValue(Var, Expr, N, R, IsIndirect, Off, DL, O);
}
SDDbgValue *SelectionDAG::getConstantDbgValue(MDNode *Var, MDNode *Expr,
const Value *C, uint64_t Off,
DebugLoc DL, unsigned O) {
+ assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
+ "Expected inlined-at fields to agree");
return new (Allocator) SDDbgValue(Var, Expr, C, Off, DL, O);
}
SDDbgValue *SelectionDAG::getFrameIndexDbgValue(MDNode *Var, MDNode *Expr,
unsigned FI, uint64_t Off,
DebugLoc DL, unsigned O) {
+ assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
+ "Expected inlined-at fields to agree");
return new (Allocator) SDDbgValue(Var, Expr, FI, Off, DL, O);
}
Operands[j] = getNode(ISD::EXTRACT_VECTOR_ELT, dl,
OperandEltVT,
Operand,
- getConstant(i, TLI->getVectorIdxTy()));
+ getConstant(i, dl, TLI->getVectorIdxTy()));
} else {
// A scalar operand; just use it as is.
Operands[j] = Operand;
if (TLI->isGAPlusOffset(Ptr.getNode(), GV, GVOffset)) {
unsigned PtrWidth = TLI->getPointerTypeSizeInBits(GV->getType());
APInt KnownZero(PtrWidth, 0), KnownOne(PtrWidth, 0);
- llvm::computeKnownBits(const_cast<GlobalValue*>(GV), KnownZero, KnownOne,
- TLI->getDataLayout());
+ llvm::computeKnownBits(const_cast<GlobalValue *>(GV), KnownZero, KnownOne,
+ *TLI->getDataLayout());
unsigned AlignBits = KnownZero.countTrailingOnes();
unsigned Align = AlignBits ? 1 << std::min(31U, AlignBits) : 0;
if (Align)
"More vector elements requested than available!");
SDValue Lo, Hi;
Lo = getNode(ISD::EXTRACT_SUBVECTOR, DL, LoVT, N,
- getConstant(0, TLI->getVectorIdxTy()));
+ getConstant(0, DL, TLI->getVectorIdxTy()));
Hi = getNode(ISD::EXTRACT_SUBVECTOR, DL, HiVT, N,
- getConstant(LoVT.getVectorNumElements(), TLI->getVectorIdxTy()));
+ getConstant(LoVT.getVectorNumElements(), DL,
+ TLI->getVectorIdxTy()));
return std::make_pair(Lo, Hi);
}
SDLoc SL(Op);
for (unsigned i = Start, e = Start + Count; i != e; ++i) {
Args.push_back(getNode(ISD::EXTRACT_VECTOR_ELT, SL, EltVT,
- Op, getConstant(i, IdxTy)));
+ Op, getConstant(i, SL, IdxTy)));
}
}
projects / oota-llvm.git / blobdiff