From ff2a43ac19954ff487e62928dd9e5267b472401a Mon Sep 17 00:00:00 2001
From: Matt Pharr <matt.pharr@intel.com>
Date: Thu, 6 Oct 2011 09:20:50 -0700
Subject: [PATCH] Run the CFG simplification pass even when optimization is
 disabled.

This fixes an issue with undefined SVML symbols with code that called
transcendental functions in the stdandard library, even when the SVML
math library hadn't been selected.
---
 opt.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/opt.cpp b/opt.cpp
index 337031bc..fd4f1709 100644
--- a/opt.cpp
+++ b/opt.cpp
@@ -204,6 +204,7 @@ Optimize(llvm::Module *module, int optLevel) {
         optPM.add(CreateIsCompileTimeConstantPass(true));
         optPM.add(llvm::createFunctionInliningPass());
         optPM.add(CreateMakeInternalFuncsStaticPass());
+        optPM.add(llvm::createCFGSimplificationPass());
         optPM.add(llvm::createGlobalDCEPass());
     }
     else {