Clean up redundant copies of Triple objects. NFC

Summary:

Reviewers: rengolin

Reviewed By: rengolin

Subscribers: llvm-commits, rengolin, jholewinski

Differential Revision: http://reviews.llvm.org/D10382

llvm-svn: 239823

llvm/lib/Target/TargetLoweringObjectFile.cpp

@@ -44,7 +44,7 @@ void TargetLoweringObjectFile::Initialize(MCContext &ctx,
                                           const TargetMachine &TM) {
   Ctx = &ctx;
   DL = TM.getDataLayout();
-  InitMCObjectFileInfo(Triple(TM.getTargetTriple()), TM.getRelocationModel(),
+  InitMCObjectFileInfo(TM.getTargetTriple(), TM.getRelocationModel(),
                        TM.getCodeModel(), *Ctx);
 }