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[X86] ISD::INSERT_SUBVECTOR - use uint64_t index. NFCI.

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Keep the uint64_t type from getConstantOperandVal to stop truncation/extension overflow warnings in MSVC in subvector index math.

llvm-svn: 365328
This commit is contained in:
Simon Pilgrim 2019-07-08 14:52:56 +00:00
parent ecbe84fd95
commit 3736a3211d
1 changed files with 4 additions and 4 deletions
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8
lib/Target/X86/X86ISelLowering.cpp
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@ -6760,12 +6760,12 @@ static bool getFauxShuffleMask(SDValue N, const APInt &DemandedElts,
if (!isa<ConstantSDNode>(N.getOperand(2)) ||
!N->isOnlyUserOf(Sub.getNode()))
return false;
int InsertIdx = N.getConstantOperandVal(2);
uint64_t InsertIdx = N.getConstantOperandVal(2);
// Handle INSERT_SUBVECTOR(SRC0, EXTRACT_SUBVECTOR(SRC1)).
if (Sub.getOpcode() == ISD::EXTRACT_SUBVECTOR &&
Sub.getOperand(0).getValueType() == VT &&
isa<ConstantSDNode>(Sub.getOperand(1))) {
int ExtractIdx = Sub.getConstantOperandVal(1);
uint64_t ExtractIdx = Sub.getConstantOperandVal(1);
for (int i = 0; i != (int)NumElts; ++i)
Mask.push_back(i);
for (int i = 0; i != (int)NumSubElts; ++i)
@ -43625,7 +43625,7 @@ static SDValue combineInsertSubvector(SDNode *N, SelectionDAG &DAG,
SDValue Vec = N->getOperand(0);
SDValue SubVec = N->getOperand(1);
unsigned IdxVal = N->getConstantOperandVal(2);
uint64_t IdxVal = N->getConstantOperandVal(2);
MVT SubVecVT = SubVec.getSimpleValueType();
if (Vec.isUndef() && SubVec.isUndef())
@ -43641,7 +43641,7 @@ static SDValue combineInsertSubvector(SDNode *N, SelectionDAG &DAG,
// just insert into the larger zero vector directly.
if (SubVec.getOpcode() == ISD::INSERT_SUBVECTOR &&
ISD::isBuildVectorAllZeros(SubVec.getOperand(0).getNode())) {
unsigned Idx2Val = SubVec.getConstantOperandVal(2);
uint64_t Idx2Val = SubVec.getConstantOperandVal(2);
return DAG.getNode(ISD::INSERT_SUBVECTOR, dl, OpVT,
getZeroVector(OpVT, Subtarget, DAG, dl),
SubVec.getOperand(1),