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.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166299 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 262b844..6a665e3 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/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);