From 785d8a29d35ecf624e9d049ed68ad2e59e59584e Mon Sep 17 00:00:00 2001
From: Matt Pharr <matt.pharr@intel.com>
Date: Fri, 9 Sep 2011 09:24:34 -0700
Subject: [PATCH] Run mem2reg pass even when doing -O0 compiles

---
 opt.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/opt.cpp b/opt.cpp
index 7dfa38d1..63bea4da 100644
--- a/opt.cpp
+++ b/opt.cpp
@@ -193,6 +193,7 @@ Optimize(llvm::Module *module, int optLevel) {
         // run absolutely no optimizations, since the front-end needs us to
         // take the various __pseudo_* functions it has emitted and turn
         // them into something that can actually execute.
+        optPM.add(llvm::createPromoteMemoryToRegisterPass());
         optPM.add(CreateGatherScatterFlattenPass());
         optPM.add(CreateLowerGatherScatterPass());
         optPM.add(CreateLowerMaskedStorePass());