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[SLP] use dyn_cast instead of isa + cast; NFC

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This commit is contained in:
Sanjay Patel 2021-03-26 13:52:01 -04:00
parent 934fb256bb
commit d84adfbff5
1 changed files with 2 additions and 3 deletions
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5
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -7098,10 +7098,9 @@ public:
// select, we also have to RAUW for the compare instruction feeding the
// reduction root. That's because the original compare may have extra uses
// besides the final select of the reduction.
if (isa<SelectInst>(ReductionRoot)) {
if (auto *ScalarSelect = dyn_cast<SelectInst>(ReductionRoot)) {
if (auto *VecSelect = dyn_cast<SelectInst>(VectorizedTree)) {
Instruction *ScalarCmp =
getCmpForMinMaxReduction(cast<Instruction>(ReductionRoot));
Instruction *ScalarCmp = getCmpForMinMaxReduction(ScalarSelect);
ScalarCmp->replaceAllUsesWith(VecSelect->getCondition());
}
}