From c0aac87374e72ba9254eeb44a424ec9bb3f847aa Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 10 Apr 2008 01:33:05 +0000
Subject: [PATCH] Move memcpy / memset optimization pass after GVN.

llvm-svn: 49457
---
 tools/opt/opt.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 6155386e6ad..80deb75b745 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -282,8 +282,8 @@ void AddStandardCompilePasses(PassManager &PM) {
   addPass(PM, createIndVarSimplifyPass());       // Canonicalize indvars
   addPass(PM, createLoopUnrollPass());           // Unroll small loops
   addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
-  addPass(PM, createMemCpyOptPass());            // Remove unneeded memcpy's
   addPass(PM, createGVNPass());                  // Remove redundancies
+  addPass(PM, createMemCpyOptPass());            // Remove memcpy / form memset
   addPass(PM, createSCCPPass());                 // Constant prop with SCCP
 
   // Run instcombine after redundancy elimination to exploit opportunities