Pass in a "const Triple &T" instead of a raw StringRef.

llvm-svn: 232429
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
index ad7ae91..f02d2fb 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -224,11 +224,11 @@
 }
 
 // This is duplicated code. Refactor this.
-static MCStreamer *createMCStreamer(StringRef TT, MCContext &Ctx,
+static MCStreamer *createMCStreamer(const Triple &T, MCContext &Ctx,
                                     MCAsmBackend &MAB, raw_ostream &OS,
                                     MCCodeEmitter *Emitter,
                                     const MCSubtargetInfo &STI, bool RelaxAll) {
-  if (Triple(TT).isOSDarwin()) {
+  if (T.isOSDarwin()) {
     MCStreamer *S = createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
     new PPCTargetMachOStreamer(*S);
     return S;