return getInsertVINSERTImmediate(N, 256);
}
-/// Returns true if V is a constant integer zero.
-static bool isZero(SDValue V) {
- ConstantSDNode *C = dyn_cast<ConstantSDNode>(V);
- return C && C->isNullValue();
-}
-
/// Returns true if Elt is a constant zero or a floating point constant +0.0.
bool X86::isZeroNode(SDValue Elt) {
- if (isZero(Elt))
- return true;
- if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Elt))
- return CFP->getValueAPF().isPosZero();
- return false;
+ return isNullConstant(Elt) || isNullFPConstant(Elt);
}
// Build a vector of constants
unsigned NumZero = 0;
unsigned NumNonZero = 0;
- unsigned NonZeros = 0;
+ uint64_t NonZeros = 0;
bool IsAllConstants = true;
SmallSet<SDValue, 8> Values;
for (unsigned i = 0; i < NumElems; ++i) {
if (X86::isZeroNode(Elt))
NumZero++;
else {
- NonZeros |= (1 << i);
+ assert(i < sizeof(NonZeros) * 8); // Make sure the shift is within range.
+ NonZeros |= ((uint64_t)1 << i);
NumNonZero++;
}
}
SmallVector<SDValue, 8> V(NumElems);
if (NumElems == 4 && NumZero > 0) {
for (unsigned i = 0; i < 4; ++i) {
- bool isZero = !(NonZeros & (1 << i));
+ bool isZero = !(NonZeros & (1ULL << i));
if (isZero)
V[i] = getZeroVector(VT, Subtarget, DAG, dl);
else
if (Subtarget->hasAVX2())
return DAG.getNode(
X86ISD::VPERMV, DL, MVT::v8f32,
- DAG.getBitcast(MVT::v8f32, DAG.getNode(ISD::BUILD_VECTOR, DL,
- MVT::v8i32, VPermMask)),
- V1);
+ DAG.getNode(ISD::BUILD_VECTOR, DL, MVT::v8i32, VPermMask), V1);
// Otherwise, fall back.
return lowerVectorShuffleAsLanePermuteAndBlend(DL, MVT::v8f32, V1, V2, Mask,
int Lane1Cond = -1, Lane2Cond = -1;
if (isa<ConstantSDNode>(EltCond))
- Lane1Cond = !isZero(EltCond);
+ Lane1Cond = !isNullConstant(EltCond);
if (isa<ConstantSDNode>(SndLaneEltCond))
- Lane2Cond = !isZero(SndLaneEltCond);
+ Lane2Cond = !isNullConstant(SndLaneEltCond);
unsigned LaneMask = 0;
if (Lane1Cond == Lane2Cond || Lane2Cond < 0)
for (int i = 0, Size = VT.getVectorNumElements(); i < Size; ++i) {
SDValue CondElt = CondBV->getOperand(i);
Mask.push_back(
- isa<ConstantSDNode>(CondElt) ? i + (isZero(CondElt) ? Size : 0) : -1);
+ isa<ConstantSDNode>(CondElt) ? i + (isNullConstant(CondElt) ? Size : 0)
+ : -1);
}
return DAG.getVectorShuffle(VT, dl, LHS, RHS, Mask);
}
}
if (VT.getSizeInBits() == 16) {
- unsigned Idx = cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
// If Idx is 0, it's cheaper to do a move instead of a pextrw.
- if (Idx == 0)
+ if (isNullConstant(Op.getOperand(1)))
return DAG.getNode(
ISD::TRUNCATE, dl, MVT::i16,
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i32,
return SDValue();
SDNode *User = *Op.getNode()->use_begin();
if ((User->getOpcode() != ISD::STORE ||
- (isa<ConstantSDNode>(Op.getOperand(1)) &&
- cast<ConstantSDNode>(Op.getOperand(1))->isNullValue())) &&
+ isNullConstant(Op.getOperand(1))) &&
(User->getOpcode() != ISD::BITCAST ||
User->getValueType(0) != MVT::i32))
return SDValue();
// TODO: handle v16i8.
if (VT.getSizeInBits() == 16) {
SDValue Vec = Op.getOperand(0);
- unsigned Idx = cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
- if (Idx == 0)
+ if (isNullConstant(Op.getOperand(1)))
return DAG.getNode(ISD::TRUNCATE, dl, MVT::i16,
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i32,
DAG.getBitcast(MVT::v4i32, Vec),
// FIXME: .td only matches this for <2 x f64>, not <2 x i64> on 32b
// FIXME: seems like this should be unnecessary if mov{h,l}pd were taught
// to match extract_elt for f64.
- unsigned Idx = cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
- if (Idx == 0)
+ if (isNullConstant(Op.getOperand(1)))
return Op;
// UNPCKHPD the element to the lowest double word, then movsd.
if (ConstantSDNode *C =
dyn_cast<ConstantSDNode>(ArithOp.getNode()->getOperand(1))) {
// An add of one will be selected as an INC.
- if (C->getAPIntValue() == 1 && !Subtarget->slowIncDec()) {
+ if (C->isOne() && !Subtarget->slowIncDec()) {
Opcode = X86ISD::INC;
NumOperands = 1;
break;
}
// An add of negative one (subtract of one) will be selected as a DEC.
- if (C->getAPIntValue().isAllOnesValue() && !Subtarget->slowIncDec()) {
+ if (C->isAllOnesValue() && !Subtarget->slowIncDec()) {
Opcode = X86ISD::DEC;
NumOperands = 1;
break;
/// equivalent.
SDValue X86TargetLowering::EmitCmp(SDValue Op0, SDValue Op1, unsigned X86CC,
SDLoc dl, SelectionDAG &DAG) const {
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op1)) {
- if (C->getAPIntValue() == 0)
- return EmitTest(Op0, X86CC, dl, DAG);
+ if (isNullConstant(Op1))
+ return EmitTest(Op0, X86CC, dl, DAG);
- assert(Op0.getValueType() != MVT::i1 &&
- "Unexpected comparison operation for MVT::i1 operands");
- }
+ assert(!(isa<ConstantSDNode>(Op1) && Op0.getValueType() == MVT::i1) &&
+ "Unexpected comparison operation for MVT::i1 operands");
if ((Op0.getValueType() == MVT::i8 || Op0.getValueType() == MVT::i16 ||
Op0.getValueType() == MVT::i32 || Op0.getValueType() == MVT::i64)) {
return 2;
}
-static bool isAllOnes(SDValue V) {
- ConstantSDNode *C = dyn_cast<ConstantSDNode>(V);
- return C && C->isAllOnesValue();
-}
-
/// LowerToBT - Result of 'and' is compared against zero. Turn it into a BT node
/// if it's possible.
SDValue X86TargetLowering::LowerToBT(SDValue And, ISD::CondCode CC,
if (Op1.getOpcode() == ISD::SHL)
std::swap(Op0, Op1);
if (Op0.getOpcode() == ISD::SHL) {
- if (ConstantSDNode *And00C = dyn_cast<ConstantSDNode>(Op0.getOperand(0)))
- if (And00C->getZExtValue() == 1) {
+ if (isOneConstant(Op0.getOperand(0))) {
// If we looked past a truncate, check that it's only truncating away
// known zeros.
unsigned BitWidth = Op0.getValueSizeInBits();
// Lower ((X >>u N) & 1) != 0 to BT(X, N).
// Lower ((X >>s N) & 1) != 0 to BT(X, N).
if (Op0.getOpcode() == ISD::AND && Op0.hasOneUse() &&
- Op1.getOpcode() == ISD::Constant &&
- cast<ConstantSDNode>(Op1)->isNullValue() &&
+ isNullConstant(Op1) &&
(CC == ISD::SETEQ || CC == ISD::SETNE)) {
if (SDValue NewSetCC = LowerToBT(Op0, CC, dl, DAG)) {
if (VT == MVT::i1)
// Look for X == 0, X == 1, X != 0, or X != 1. We can simplify some forms of
// these.
- if (Op1.getOpcode() == ISD::Constant &&
- (cast<ConstantSDNode>(Op1)->getZExtValue() == 1 ||
- cast<ConstantSDNode>(Op1)->isNullValue()) &&
+ if ((isOneConstant(Op1) || isNullConstant(Op1)) &&
(CC == ISD::SETEQ || CC == ISD::SETNE)) {
// If the input is a setcc, then reuse the input setcc or use a new one with
// the inverted condition.
if (Op0.getOpcode() == X86ISD::SETCC) {
X86::CondCode CCode = (X86::CondCode)Op0.getConstantOperandVal(0);
- bool Invert = (CC == ISD::SETNE) ^
- cast<ConstantSDNode>(Op1)->isNullValue();
+ bool Invert = (CC == ISD::SETNE) ^ isNullConstant(Op1);
if (!Invert)
return Op0;
return SetCC;
}
}
- if ((Op0.getValueType() == MVT::i1) && (Op1.getOpcode() == ISD::Constant) &&
- (cast<ConstantSDNode>(Op1)->getZExtValue() == 1) &&
+ if ((Op0.getValueType() == MVT::i1) && isOneConstant(Op1) &&
(CC == ISD::SETEQ || CC == ISD::SETNE)) {
ISD::CondCode NewCC = ISD::getSetCCInverse(CC, true);
// (select (x != 0), -1, y) -> ~(sign_bit (x - 1)) | y
if (Cond.getOpcode() == X86ISD::SETCC &&
Cond.getOperand(1).getOpcode() == X86ISD::CMP &&
- isZero(Cond.getOperand(1).getOperand(1))) {
+ isNullConstant(Cond.getOperand(1).getOperand(1))) {
SDValue Cmp = Cond.getOperand(1);
unsigned CondCode =cast<ConstantSDNode>(Cond.getOperand(0))->getZExtValue();
- if ((isAllOnes(Op1) || isAllOnes(Op2)) &&
+ if ((isAllOnesConstant(Op1) || isAllOnesConstant(Op2)) &&
(CondCode == X86::COND_E || CondCode == X86::COND_NE)) {
- SDValue Y = isAllOnes(Op2) ? Op1 : Op2;
+ SDValue Y = isAllOnesConstant(Op2) ? Op1 : Op2;
SDValue CmpOp0 = Cmp.getOperand(0);
// Apply further optimizations for special cases
// (select (x != 0), -1, 0) -> neg & sbb
// (select (x == 0), 0, -1) -> neg & sbb
- if (ConstantSDNode *YC = dyn_cast<ConstantSDNode>(Y))
- if (YC->isNullValue() &&
- (isAllOnes(Op1) == (CondCode == X86::COND_NE))) {
+ if (isNullConstant(Y) &&
+ (isAllOnesConstant(Op1) == (CondCode == X86::COND_NE))) {
SDVTList VTs = DAG.getVTList(CmpOp0.getValueType(), MVT::i32);
SDValue Neg = DAG.getNode(X86ISD::SUB, DL, VTs,
DAG.getConstant(0, DL,
DAG.getNode(X86ISD::SETCC_CARRY, DL, Op.getValueType(),
DAG.getConstant(X86::COND_B, DL, MVT::i8), Cmp);
- if (isAllOnes(Op1) != (CondCode == X86::COND_E))
+ if (isAllOnesConstant(Op1) != (CondCode == X86::COND_E))
Res = DAG.getNOT(DL, Res, Res.getValueType());
- ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(Op2);
- if (!N2C || !N2C->isNullValue())
+ if (!isNullConstant(Op2))
Res = DAG.getNode(ISD::OR, DL, Res.getValueType(), Res, Y);
return Res;
}
// Look past (and (setcc_carry (cmp ...)), 1).
if (Cond.getOpcode() == ISD::AND &&
- Cond.getOperand(0).getOpcode() == X86ISD::SETCC_CARRY) {
- ConstantSDNode *C = dyn_cast<ConstantSDNode>(Cond.getOperand(1));
- if (C && C->getAPIntValue() == 1)
- Cond = Cond.getOperand(0);
- }
+ Cond.getOperand(0).getOpcode() == X86ISD::SETCC_CARRY &&
+ isOneConstant(Cond.getOperand(1)))
+ Cond = Cond.getOperand(0);
// If condition flag is set by a X86ISD::CMP, then use it as the condition
// setting operand in place of the X86ISD::SETCC.
unsigned CondCode = cast<ConstantSDNode>(CC)->getZExtValue();
if ((CondCode == X86::COND_AE || CondCode == X86::COND_B) &&
- (isAllOnes(Op1) || isAllOnes(Op2)) && (isZero(Op1) || isZero(Op2))) {
+ (isAllOnesConstant(Op1) || isAllOnesConstant(Op2)) &&
+ (isNullConstant(Op1) || isNullConstant(Op2))) {
SDValue Res = DAG.getNode(X86ISD::SETCC_CARRY, DL, Op.getValueType(),
DAG.getConstant(X86::COND_B, DL, MVT::i8),
Cond);
- if (isAllOnes(Op1) != (CondCode == X86::COND_B))
+ if (isAllOnesConstant(Op1) != (CondCode == X86::COND_B))
return DAG.getNOT(DL, Res, Res.getValueType());
return Res;
}
static bool isXor1OfSetCC(SDValue Op) {
if (Op.getOpcode() != ISD::XOR)
return false;
- ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(Op.getOperand(1));
- if (N1C && N1C->getAPIntValue() == 1) {
+ if (isOneConstant(Op.getOperand(1)))
return Op.getOperand(0).getOpcode() == X86ISD::SETCC &&
- Op.getOperand(0).hasOneUse();
- }
+ Op.getOperand(0).hasOneUse();
return false;
}
if (Cond.getOpcode() == ISD::SETCC) {
// Check for setcc([su]{add,sub,mul}o == 0).
if (cast<CondCodeSDNode>(Cond.getOperand(2))->get() == ISD::SETEQ &&
- isa<ConstantSDNode>(Cond.getOperand(1)) &&
- cast<ConstantSDNode>(Cond.getOperand(1))->isNullValue() &&
+ isNullConstant(Cond.getOperand(1)) &&
Cond.getOperand(0).getResNo() == 1 &&
(Cond.getOperand(0).getOpcode() == ISD::SADDO ||
Cond.getOperand(0).getOpcode() == ISD::UADDO ||
// Look pass (and (setcc_carry (cmp ...)), 1).
if (Cond.getOpcode() == ISD::AND &&
- Cond.getOperand(0).getOpcode() == X86ISD::SETCC_CARRY) {
- ConstantSDNode *C = dyn_cast<ConstantSDNode>(Cond.getOperand(1));
- if (C && C->getAPIntValue() == 1)
- Cond = Cond.getOperand(0);
- }
+ Cond.getOperand(0).getOpcode() == X86ISD::SETCC_CARRY &&
+ isOneConstant(Cond.getOperand(1)))
+ Cond = Cond.getOperand(0);
// If condition flag is set by a X86ISD::CMP, then use it as the condition
// setting operand in place of the X86ISD::SETCC.
switch (CondOpcode) {
case ISD::UADDO: X86Opcode = X86ISD::ADD; X86Cond = X86::COND_B; break;
case ISD::SADDO:
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS))
- if (C->isOne()) {
+ if (isOneConstant(RHS)) {
X86Opcode = X86ISD::INC; X86Cond = X86::COND_O;
break;
}
X86Opcode = X86ISD::ADD; X86Cond = X86::COND_O; break;
case ISD::USUBO: X86Opcode = X86ISD::SUB; X86Cond = X86::COND_B; break;
case ISD::SSUBO:
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS))
- if (C->isOne()) {
+ if (isOneConstant(RHS)) {
X86Opcode = X86ISD::DEC; X86Cond = X86::COND_O;
break;
}
unsigned OpcodeSelect = ISD::VSELECT;
SDLoc dl(Op);
- if (isAllOnes(Mask))
+ if (isAllOnesConstant(Mask))
return Op;
if (MaskVT.bitsGT(Mask.getSimpleValueType())) {
case X86ISD::CMPMU:
return DAG.getNode(ISD::AND, dl, VT, Op, VMask);
case X86ISD::VFPCLASS:
+ case X86ISD::VFPCLASSS:
return DAG.getNode(ISD::OR, dl, VT, Op, VMask);
case X86ISD::VTRUNC:
case X86ISD::VTRUNCS:
SDValue PreservedSrc,
const X86Subtarget *Subtarget,
SelectionDAG &DAG) {
- if (isAllOnes(Mask))
+ if (isAllOnesConstant(Mask))
return Op;
MVT VT = Op.getSimpleValueType();
if (Op.getOpcode() == X86ISD::FSETCC)
return DAG.getNode(ISD::AND, dl, VT, Op, IMask);
- if (Op.getOpcode() == X86ISD::VFPCLASS)
+ if (Op.getOpcode() == X86ISD::VFPCLASS ||
+ Op.getOpcode() == X86ISD::VFPCLASSS)
return DAG.getNode(ISD::OR, dl, VT, Op, IMask);
if (PreservedSrc.getOpcode() == ISD::UNDEF)
Mask, PassThru, Subtarget, DAG);
}
case VPERM_3OP_MASKZ:
- case VPERM_3OP_MASK:
+ case VPERM_3OP_MASK:{
+ // Src2 is the PassThru
+ SDValue Src1 = Op.getOperand(1);
+ SDValue Src2 = Op.getOperand(2);
+ SDValue Src3 = Op.getOperand(3);
+ SDValue Mask = Op.getOperand(4);
+ MVT VT = Op.getSimpleValueType();
+ SDValue PassThru = SDValue();
+
+ // set PassThru element
+ if (IntrData->Type == VPERM_3OP_MASKZ)
+ PassThru = getZeroVector(VT, Subtarget, DAG, dl);
+ else
+ PassThru = DAG.getBitcast(VT, Src2);
+
+ // Swap Src1 and Src2 in the node creation
+ return getVectorMaskingNode(DAG.getNode(IntrData->Opc0,
+ dl, Op.getValueType(),
+ Src2, Src1, Src3),
+ Mask, PassThru, Subtarget, DAG);
+ }
case FMA_OP_MASK3:
case FMA_OP_MASKZ:
case FMA_OP_MASK: {
SDValue PassThru = SDValue();
// set PassThru element
- if (IntrData->Type == VPERM_3OP_MASKZ || IntrData->Type == FMA_OP_MASKZ)
+ if (IntrData->Type == FMA_OP_MASKZ)
PassThru = getZeroVector(VT, Subtarget, DAG, dl);
else if (IntrData->Type == FMA_OP_MASK3)
PassThru = Src3;
SDValue Mask = Op.getOperand(3);
SDValue DataToCompress = Op.getOperand(1);
SDValue PassThru = Op.getOperand(2);
- if (isAllOnes(Mask)) // return data as is
+ if (isAllOnesConstant(Mask)) // return data as is
return Op.getOperand(1);
return getVectorMaskingNode(DAG.getNode(IntrData->Opc0, dl, VT,
MVT VT = DataToTruncate.getSimpleValueType();
MVT SVT = MVT::getVectorVT(ElementType, VT.getVectorNumElements());
- if (isAllOnes(Mask)) // return just a truncate store
+ if (isAllOnesConstant(Mask)) // return just a truncate store
return DAG.getTruncStore(Chain, dl, DataToTruncate, Addr,
MachinePointerInfo(), SVT, false, false,
SVT.getScalarSizeInBits()/8);
SDValue Chain = Op.getOperand(0);
MVT VT = DataToCompress.getSimpleValueType();
- if (isAllOnes(Mask)) // return just a store
+ if (isAllOnesConstant(Mask)) // return just a store
return DAG.getStore(Chain, dl, DataToCompress, Addr,
MachinePointerInfo(), false, false,
VT.getScalarSizeInBits()/8);
SDValue Chain = Op.getOperand(0);
MVT VT = Op.getSimpleValueType();
- if (isAllOnes(Mask)) // return just a load
+ if (isAllOnesConstant(Mask)) // return just a load
return DAG.getLoad(VT, dl, Chain, Addr, MachinePointerInfo(), false, false,
false, VT.getScalarSizeInBits()/8);
case ISD::SADDO:
// A subtract of one will be selected as a INC. Note that INC doesn't
// set CF, so we can't do this for UADDO.
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS))
- if (C->isOne()) {
+ if (isOneConstant(RHS)) {
BaseOp = X86ISD::INC;
Cond = X86::COND_O;
break;
case ISD::SSUBO:
// A subtract of one will be selected as a DEC. Note that DEC doesn't
// set CF, so we can't do this for USUBO.
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS))
- if (C->isOne()) {
+ if (isOneConstant(RHS)) {
BaseOp = X86ISD::DEC;
Cond = X86::COND_O;
break;
case X86ISD::FP_TO_SINT_RND: return "X86ISD::FP_TO_SINT_RND";
case X86ISD::FP_TO_UINT_RND: return "X86ISD::FP_TO_UINT_RND";
case X86ISD::VFPCLASS: return "X86ISD::VFPCLASS";
+ case X86ISD::VFPCLASSS: return "X86ISD::VFPCLASSS";
}
return nullptr;
}
return SDValue();
auto *SVN = cast<ShuffleVectorSDNode>(N);
- ArrayRef<int> Mask = SVN->getMask();
+ SmallVector<int, 8> Mask;
+ for (int M : SVN->getMask())
+ Mask.push_back(M);
+
SDValue V1 = N->getOperand(0);
SDValue V2 = N->getOperand(1);
- // We require the first shuffle operand to be the SUB node, and the second to
- // be the ADD node.
- // FIXME: We should support the commuted patterns.
- if (V1->getOpcode() != ISD::FSUB || V2->getOpcode() != ISD::FADD)
+ // We require the first shuffle operand to be the FSUB node, and the second to
+ // be the FADD node.
+ if (V1.getOpcode() == ISD::FADD && V2.getOpcode() == ISD::FSUB) {
+ ShuffleVectorSDNode::commuteMask(Mask);
+ std::swap(V1, V2);
+ } else if (V1.getOpcode() != ISD::FSUB || V2.getOpcode() != ISD::FADD)
return SDValue();
// If there are other uses of these operations we can't fold them.
// store-load conversions.
if (VT == MVT::x86mmx && N0.getOpcode() == ISD::BUILD_VECTOR &&
N0.getValueType() == MVT::v2i32 &&
- isa<ConstantSDNode>(N0.getOperand(1))) {
+ isNullConstant(N0.getOperand(1))) {
SDValue N00 = N0->getOperand(0);
- if (N0.getConstantOperandVal(1) == 0 && N00.getValueType() == MVT::i32)
+ if (N00.getValueType() == MVT::i32)
return DAG.getNode(X86ISD::MMX_MOVW2D, SDLoc(N00), VT, N00);
}
SetCC.getOpcode() == ISD::AND) {
if (SetCC.getOpcode() == ISD::AND) {
int OpIdx = -1;
- ConstantSDNode *CS;
- if ((CS = dyn_cast<ConstantSDNode>(SetCC.getOperand(0))) &&
- CS->getZExtValue() == 1)
+ if (isOneConstant(SetCC.getOperand(0)))
OpIdx = 1;
- if ((CS = dyn_cast<ConstantSDNode>(SetCC.getOperand(1))) &&
- CS->getZExtValue() == 1)
+ if (isOneConstant(SetCC.getOperand(1)))
OpIdx = 0;
if (OpIdx == -1)
break;
X86::CondCode &CC1, SDValue &Flags,
bool &isAnd) {
if (Cond->getOpcode() == X86ISD::CMP) {
- ConstantSDNode *CondOp1C = dyn_cast<ConstantSDNode>(Cond->getOperand(1));
- if (!CondOp1C || !CondOp1C->isNullValue())
+ if (!isNullConstant(Cond->getOperand(1)))
return false;
Cond = Cond->getOperand(0);
return SDValue();
// Make sure we are performing an xor against one.
- if (!isa<ConstantSDNode>(N1) || !cast<ConstantSDNode>(N1)->isOne())
+ if (!isOneConstant(N1))
return SDValue();
// SetCC on x86 zero extends so only act on this if it's a logical shift.
SmallVector<int, 16> ShuffleVec(NumElems * SizeRatio, -1);
for (unsigned i = 0; i != NumElems; ++i)
ShuffleVec[i] = i * SizeRatio;
- for (unsigned i = NumElems; i != NumElems*SizeRatio; ++i)
- ShuffleVec[i] = NumElems*SizeRatio;
+ for (unsigned i = NumElems; i != NumElems * SizeRatio; ++i)
+ ShuffleVec[i] = NumElems * SizeRatio;
NewMask = DAG.getVectorShuffle(WideVecVT, dl, NewMask,
DAG.getConstant(0, dl, WideVecVT),
&ShuffleVec[0]);
"WideVecVT should be legal");
SDValue TruncatedVal = DAG.getVectorShuffle(WideVecVT, dl, WideVec,
- DAG.getUNDEF(WideVecVT),
- &ShuffleVec[0]);
+ DAG.getUNDEF(WideVecVT),
+ &ShuffleVec[0]);
SDValue NewMask;
SDValue Mask = Mst->getMask();
NewMask = DAG.getNode(ISD::CONCAT_VECTORS, dl, NewMaskVT, Ops);
}
- return DAG.getMaskedStore(Mst->getChain(), dl, TruncatedVal, Mst->getBasePtr(),
- NewMask, StVT, Mst->getMemOperand(), false);
+ return DAG.getMaskedStore(Mst->getChain(), dl, TruncatedVal,
+ Mst->getBasePtr(), NewMask, StVT,
+ Mst->getMemOperand(), false);
}
/// PerformSTORECombine - Do target-specific dag combines on STORE nodes.
static SDValue PerformSTORECombine(SDNode *N, SelectionDAG &DAG,
N0.getOperand(0).hasOneUse()) {
SDValue N00 = N0.getOperand(0);
if (N00.getOpcode() == X86ISD::SETCC_CARRY) {
- ConstantSDNode *C = dyn_cast<ConstantSDNode>(N0.getOperand(1));
- if (!C || C->getZExtValue() != 1)
+ if (!isOneConstant(N0.getOperand(1)))
return SDValue();
return DAG.getNode(ISD::AND, dl, VT,
DAG.getNode(X86ISD::SETCC_CARRY, dl, VT,
SDLoc DL(N);
if ((CC == ISD::SETNE || CC == ISD::SETEQ) && LHS.getOpcode() == ISD::SUB)
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(LHS.getOperand(0)))
- if (C->getAPIntValue() == 0 && LHS.hasOneUse()) {
+ if (isNullConstant(LHS.getOperand(0)) && LHS.hasOneUse()) {
SDValue addV = DAG.getNode(ISD::ADD, DL, LHS.getValueType(), RHS,
LHS.getOperand(1));
return DAG.getSetCC(DL, N->getValueType(0), addV,
DAG.getConstant(0, DL, addV.getValueType()), CC);
}
if ((CC == ISD::SETNE || CC == ISD::SETEQ) && RHS.getOpcode() == ISD::SUB)
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(RHS.getOperand(0)))
- if (C->getAPIntValue() == 0 && RHS.hasOneUse()) {
+ if (isNullConstant(RHS.getOperand(0)) && RHS.hasOneUse()) {
SDValue addV = DAG.getNode(ISD::ADD, DL, RHS.getValueType(), LHS,
RHS.getOperand(1));
return DAG.getSetCC(DL, N->getValueType(0), addV,
V.getOperand(0).getSimpleValueType().getSizeInBits() == InputBits) {
SDValue ExtractedV = V.getOperand(0);
SDValue OrigV = ExtractedV.getOperand(0);
- if (auto *ExtractIdx = dyn_cast<ConstantSDNode>(ExtractedV.getOperand(1)))
- if (ExtractIdx->getZExtValue() == 0) {
+ if (isNullConstant(ExtractedV.getOperand(1))) {
MVT OrigVT = OrigV.getSimpleValueType();
// Extract a subvector if necessary...
if (OrigVT.getSizeInBits() > OpVT.getSizeInBits()) {
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