Disable vectorization for -Oz.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184089 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp
index 0ad45ec1bf2daa1c709b3fd4405143a557cf9f91..20aad6fa73a7e314ea146e161e2e36528f6c997a 100644 (file)
--- a/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -192,7 +192,7 @@ 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 > 1 && SizeLevel < 2)
     MPM.add(createLoopVectorizePass());
 
   if (!DisableUnrollLoops)