commit a4cbd78af84b76f92202f2f2b1a3c49ff1f85798
author Nadav Rotem <nrotem@apple.com> Thu Aug 01 18:28:15 2013 +0000
committer Nadav Rotem <nrotem@apple.com> Thu Aug 01 18:28:15 2013 +0000
tree a5bc75442065c7f5903ab34714ab49e4742e9536
parent df263de386fe4593a526e329e8c538ad54ce487d

Only enable SLP-vectorization on O3 builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187595 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/PassManagerBuilder.cpp

diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp
index 6355204..5363c91 100644
--- a/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -217,7 +217,7 @@
   addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
 
   if (!LateVectorize) {
-    if (SLPVectorize)
+    if (SLPVectorize && OptLevel > 2)
       MPM.add(createSLPVectorizerPass());   // Vectorize parallel scalar chains.
 
     if (BBVectorize) {