IRgen: Initialize TargetLoweringInfo with a triple.

 - We create two TargetLoweringInfo instances for different pass managers, and
   they weren't consistent (the one for codegen didn't have the right info). I'm
   not sure this mattered anywhere in practice.

llvm-svn: 166299
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 262b844..6a665e3 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -396,7 +396,8 @@
   PassManager *PM = getCodeGenPasses();
 
   // Add LibraryInfo.
-  TargetLibraryInfo *TLI = new TargetLibraryInfo();
+  llvm::Triple TargetTriple(TheModule->getTargetTriple());
+  TargetLibraryInfo *TLI = new TargetLibraryInfo(TargetTriple);
   if (!CodeGenOpts.SimplifyLibCalls)
     TLI->disableAllFunctions();
   PM->add(TLI);