From 63318ce9577dcb0be1015418689ce850b61d8ada Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Mon, 18 Feb 2013 23:17:48 +0000
Subject: [PATCH] Add a 'no-builtin' attribute if we do not want to simplify
 calls.

llvm-svn: 175471
---
 clang/lib/CodeGen/CGCall.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 6072f60..ed448cc 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -1016,6 +1016,9 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
   if (CodeGenOpts.NoImplicitFloat)
     FuncAttrs.addAttribute(llvm::Attribute::NoImplicitFloat);
 
+  if (!CodeGenOpts.SimplifyLibCalls)
+    FuncAttrs.addAttribute("no-builtin");
+
   if (!TargetOpts.CPU.empty())
     FuncAttrs.addAttribute("target-cpu", TargetOpts.CPU);
 
-- 
2.7.4