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[SLP][NFC] Restructure getInsertIndex

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Reviewed By: ABataev

Differential Revision: https://reviews.llvm.org/D137567
This commit is contained in:
skc7
2022-11-07 21:28:03 +05:30
parent d917276cd8
commit 46d53f45d8
1 changed files with 11 additions and 9 deletions
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20
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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@@ -290,15 +290,17 @@ static Optional<unsigned> getInsertIndex(const Value *InsertInst,
unsigned Offset = 0) {
int Index = Offset;
if (const auto *IE = dyn_cast<InsertElementInst>(InsertInst)) {
if (const auto *CI = dyn_cast<ConstantInt>(IE->getOperand(2))) {
auto *VT = cast<FixedVectorType>(IE->getType());
if (CI->getValue().uge(VT->getNumElements()))
return None;
Index *= VT->getNumElements();
Index += CI->getZExtValue();
return Index;
}
return None;
const auto *VT = dyn_cast<FixedVectorType>(IE->getType());
if (!VT)
return None;
const auto *CI = dyn_cast<ConstantInt>(IE->getOperand(2));
if (!CI)
return None;
if (CI->getValue().uge(VT->getNumElements()))
return None;
Index *= VT->getNumElements();
Index += CI->getZExtValue();
return Index;
}
const auto *IV = cast<InsertValueInst>(InsertInst);