commit 98ec3f78b2f4c17e5aeb5f0c5df4b4ffbfc85565
author Chris Lattner <sabre@nondot.org> Fri Feb 18 22:34:47 2011 +0000
committer Chris Lattner <sabre@nondot.org> Fri Feb 18 22:34:47 2011 +0000
tree cba1c4052269a433cb7f22e5485bbe65dc8d6fd8
parent 813d8346529bf094eb2b249648906ba7fd226688

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

lib/CodeGen/BackendUtil.cpp

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 80c3b9c..9897b1b 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -111,7 +111,11 @@
   
   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 @@
 
   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,