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Correctly update dom-tree after loop vectorizer.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221009 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Zolotukhin
2014-10-31 22:28:03 +00:00
parent 021153f536
commit cf19403e39
2 changed files with 143 additions and 1 deletions
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2
lib/Transforms/Vectorize/LoopVectorize.cpp
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@@ -3428,7 +3428,7 @@ 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());
}