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[NFC][InstCombine] Fix inconsistent comments

This commit is contained in:
hyeongyu kim 2021-09-23 09:31:39 +09:00
parent 85d4e29fd8
commit 10a5632550
1 changed files with 4 additions and 4 deletions
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8
llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
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@ -1215,8 +1215,8 @@ static Instruction *foldInsEltIntoSplat(InsertElementInst &InsElt) {
// Replace the shuffle mask element at the index of this insert with a zero.
// For example:
// inselt (shuf (inselt undef, X, 0), undef, <0,undef,0,undef>), X, 1
// --> shuf (inselt undef, X, 0), undef, <0,0,0,undef>
// inselt (shuf (inselt undef, X, 0), _, <0,undef,0,undef>), X, 1
// --> shuf (inselt undef, X, 0), poison, <0,0,0,undef>
unsigned NumMaskElts =
cast<FixedVectorType>(Shuf->getType())->getNumElements();
SmallVector<int, 16> NewMask(NumMaskElts);
@ -1973,8 +1973,8 @@ static Instruction *canonicalizeInsertSplat(ShuffleVectorInst &Shuf,
// Splat from element 0. Any mask element that is undefined remains undefined.
// For example:
// shuf (inselt undef, X, 2), undef, <2,2,undef>
// --> shuf (inselt undef, X, 0), undef, <0,0,undef>
// shuf (inselt undef, X, 2), _, <2,2,undef>
// --> shuf (inselt undef, X, 0), poison, <0,0,undef>
unsigned NumMaskElts =
cast<FixedVectorType>(Shuf.getType())->getNumElements();
SmallVector<int, 16> NewMask(NumMaskElts, 0);