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Enable the loop vectorizer by default for -Os and -O2.

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llvm-svn: 184084
This commit is contained in:
Nadav Rotem 2013-06-17 16:23:34 +00:00
parent 845bfd3735
commit 5dfa56605f
1 changed files with 1 additions and 7 deletions
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8
lib/Transforms/IPO/PassManagerBuilder.cpp
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@ -32,12 +32,6 @@ static cl::opt<bool>
RunLoopVectorization("vectorize-loops",
cl::desc("Run the Loop vectorization passes"));
// This is a helper flag that we use for testing the profitability of
// vectorization on -O2 and -Os. It should go away once we make a decision.
static cl::opt<bool>
VectorizeO2("vectorize-o2",
cl::desc("Enable vectorization on all O levels"));
static cl::opt<bool>
RunSLPVectorization("vectorize-slp",
cl::desc("Run the SLP vectorization passes"));
@ -198,7 +192,7 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) {
MPM.add(createLoopIdiomPass()); // Recognize idioms like memset.
MPM.add(createLoopDeletionPass()); // Delete dead loops
if (LoopVectorize && (OptLevel > 2 || VectorizeO2))
if (LoopVectorize && (OptLevel > 1))
MPM.add(createLoopVectorizePass());
if (!DisableUnrollLoops)