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[LoadStoreVectorizer] vectorizeLoadChain - ensure we find a valid Type down the load chain. NFCI.

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Silence static analyzer uninitialized variable warning by setting the LoadTy to null and then asserting we find a real value.

llvm-svn: 371936
This commit is contained in:
Simon Pilgrim 2019-09-15 16:44:35 +00:00
parent 5387a45910
commit 1c7c7fdaaf
1 changed files with 2 additions and 1 deletions
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3
lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
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@ -1092,7 +1092,7 @@ bool Vectorizer::vectorizeLoadChain(
LoadInst *L0 = cast<LoadInst>(Chain[0]);
// If the vector has an int element, default to int for the whole load.
Type *LoadTy;
Type *LoadTy = nullptr;
for (const auto &V : Chain) {
LoadTy = cast<LoadInst>(V)->getType();
if (LoadTy->isIntOrIntVectorTy())
@ -1104,6 +1104,7 @@ bool Vectorizer::vectorizeLoadChain(
break;
}
}
assert(LoadTy && "Can't determine LoadInst type from chain");
unsigned Sz = DL.getTypeSizeInBits(LoadTy);
unsigned AS = L0->getPointerAddressSpace();