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

llvm-svn: 169774
This commit is contained in:
Nadav Rotem 2012-12-10 21:45:01 +00:00
parent 3801f0fed5
commit a043fa4083

View File

@ -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)