Move the loop vectorizer from O2 to O3. It looks like the increase in code size actually hurts the performance on many programs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171471 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2013-01-04 17:57:44 +00:00
parent 4aa55bbafa
commit b7c772922e

View File

@ -187,7 +187,7 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) {
MPM.add(createLoopIdiomPass()); // Recognize idioms like memset.
MPM.add(createLoopDeletionPass()); // Delete dead loops
if (LoopVectorize && OptLevel > 1)
if (LoopVectorize && OptLevel > 2)
MPM.add(createLoopVectorizePass());
if (!DisableUnrollLoops)