From: Chris Lattner <sabre@nondot.org>
Date: Fri, 18 Feb 2011 22:34:47 +0000 (+0000)
Subject: If -fno-builtin is passed, tell TargetLibraryInfo to
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=98ec3f78b2f4c17e5aeb5f0c5df4b4ffbfc85565;p=clang

If -fno-builtin is passed, tell TargetLibraryInfo to
turn off all builtin optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125979 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 80c3b9cd44..9897b1b1a0 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -111,7 +111,11 @@ void EmitAssemblyHelper::CreatePasses() {
   
   FunctionPassManager *FPM = getPerFunctionPasses();
   
-  FPM->add(new TargetLibraryInfo(Triple(TheModule->getTargetTriple())));
+  TargetLibraryInfo *TLI =
+    new TargetLibraryInfo(Triple(TheModule->getTargetTriple()));
+  if (!CodeGenOpts.SimplifyLibCalls)
+    TLI->disableAllFunctions();
+  FPM->add(TLI);
 
   // In -O0 if checking is disabled, we don't even have per-function passes.
   if (CodeGenOpts.VerifyModule)
@@ -143,7 +147,10 @@ void EmitAssemblyHelper::CreatePasses() {
 
   PassManager *MPM = getPerModulePasses();
   
-  MPM->add(new TargetLibraryInfo(Triple(TheModule->getTargetTriple())));
+  TLI = new TargetLibraryInfo(Triple(TheModule->getTargetTriple()));
+  if (!CodeGenOpts.SimplifyLibCalls)
+    TLI->disableAllFunctions();
+  MPM->add(TLI);
 
   // For now we always create per module passes.
   llvm::createStandardModulePasses(MPM, OptLevel,