diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/IPO/PassManagerBuilder.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp index 986c0b8928..8ed7704d5a 100644 --- a/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -32,6 +32,12 @@ 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")); @@ -192,7 +198,7 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) { MPM.add(createLoopIdiomPass()); // Recognize idioms like memset. MPM.add(createLoopDeletionPass()); // Delete dead loops - if (LoopVectorize && OptLevel > 2) + if (LoopVectorize && (OptLevel > 2 || VectorizeO2)) MPM.add(createLoopVectorizePass()); if (!DisableUnrollLoops) |