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path: root/contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
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Diffstat (limited to 'contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp')
-rw-r--r--contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index c1e8df9512a6..79fcb09f8913 100644
--- a/contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/contrib/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -3357,7 +3357,7 @@ void InnerLoopVectorizer::updateAnalysis() {
DT->addNewBlock(LoopMiddleBlock, LoopBypassBlocks[1]);
DT->addNewBlock(LoopScalarPreHeader, LoopBypassBlocks[0]);
DT->changeImmediateDominator(LoopScalarBody, LoopScalarPreHeader);
- DT->changeImmediateDominator(LoopExitBlock, LoopMiddleBlock);
+ DT->changeImmediateDominator(LoopExitBlock, LoopBypassBlocks[0]);
DEBUG(DT->verifyDomTree());
}
@@ -5201,7 +5201,13 @@ LoopVectorizationLegality::isInductionVariable(PHINode *Phi) {
return IK_NoInduction;
assert(PhiTy->isPointerTy() && "The PHI must be a pointer");
- uint64_t Size = DL->getTypeAllocSize(PhiTy->getPointerElementType());
+ Type *PointerElementType = PhiTy->getPointerElementType();
+ // The pointer stride cannot be determined if the pointer element type is not
+ // sized.
+ if (!PointerElementType->isSized())
+ return IK_NoInduction;
+
+ uint64_t Size = DL->getTypeAllocSize(PointerElementType);
if (C->getValue()->equalsInt(Size))
return IK_PtrInduction;
else if (C->getValue()->equalsInt(0 - Size))