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[X86] lowerShuffleWithPERMV - use MVT::changeTypeToInteger helper. NFCI.

This commit is contained in:
Simon Pilgrim 2020-10-23 12:14:19 +01:00
parent cb86522c94
commit 936ef89ebe
1 changed files with 4 additions and 6 deletions
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10
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -15091,10 +15091,7 @@ static SDValue lowerShuffleWithPERMV(const SDLoc &DL, MVT VT,
ArrayRef<int> Mask, SDValue V1, SDValue V2,
const X86Subtarget &Subtarget,
SelectionDAG &DAG) {
int NumElts = VT.getVectorNumElements();
MVT MaskEltVT = MVT::getIntegerVT(VT.getScalarSizeInBits());
MVT MaskVecVT = MVT::getVectorVT(MaskEltVT, NumElts);
MVT MaskVT = VT.changeTypeToInteger();
SDValue MaskNode;
MVT ShuffleVT = VT;
if (!VT.is512BitVector() && !Subtarget.hasVLX()) {
@ -15103,15 +15100,16 @@ static SDValue lowerShuffleWithPERMV(const SDLoc &DL, MVT VT,
ShuffleVT = V1.getSimpleValueType();
// Adjust mask to correct indices for the second input.
int NumElts = VT.getVectorNumElements();
unsigned Scale = 512 / VT.getSizeInBits();
SmallVector<int, 32> AdjustedMask(Mask.begin(), Mask.end());
for (int &M : AdjustedMask)
if (NumElts <= M)
M += (Scale - 1) * NumElts;
MaskNode = getConstVector(AdjustedMask, MaskVecVT, DAG, DL, true);
MaskNode = getConstVector(AdjustedMask, MaskVT, DAG, DL, true);
MaskNode = widenSubVector(MaskNode, false, Subtarget, DAG, DL, 512);
} else {
MaskNode = getConstVector(Mask, MaskVecVT, DAG, DL, true);
MaskNode = getConstVector(Mask, MaskVT, DAG, DL, true);
}
SDValue Result;