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Enable the loop vectorizer only on O2 and above. (Still disabled by default)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169774 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2012-12-10 21:45:01 +00:00
parent f45d11b56b
commit 9e81a440f5
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/IPO/PassManagerBuilder.cpp
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@ -188,7 +188,7 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) {
MPM.add(createLoopIdiomPass()); // Recognize idioms like memset.
MPM.add(createLoopDeletionPass()); // Delete dead loops
if (LoopVectorize)
if (LoopVectorize && OptLevel > 1)
MPM.add(createLoopVectorizePass());
if (!DisableUnrollLoops)