From b7c772922e53a2b4705fe93397dfbc92d1dc8ef7 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Fri, 4 Jan 2013 17:57:44 +0000 Subject: [PATCH] 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 --- lib/Transforms/IPO/PassManagerBuilder.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp index 40bbfb67f28..e6ee9432c6e 100644 --- a/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -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)