Replace string GNU Triples with llvm::Triple in MCSubtargetInfo and create*MCSubtargetInfo(). NFC.

Summary:
This continues the patch series to eliminate StringRef forms of GNU triples
from the internals of LLVM that began in r239036.

Reviewers: rafael

Reviewed By: rafael

Subscribers: rafael, ted, jfb, llvm-commits, rengolin, jholewinski

Differential Revision: http://reviews.llvm.org/D10311

llvm-svn: 239467

1 files changed, 7 insertions, 10 deletions

diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
index e00b2cb33d7..fafe25ae5be 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
@@ -130,16 +130,13 @@ static bool getARMLoadDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
 #define GET_SUBTARGETINFO_MC_DESC
 #include "ARMGenSubtargetInfo.inc"
 
-
-std::string ARM_MC::ParseARMTriple(StringRef TT, StringRef CPU) {
-  Triple triple(TT);
-
-  bool isThumb = triple.getArch() == Triple::thumb ||
-                 triple.getArch() == Triple::thumbeb;
+std::string ARM_MC::ParseARMTriple(const Triple &TT, StringRef CPU) {
+  bool isThumb =
+      TT.getArch() == Triple::thumb || TT.getArch() == Triple::thumbeb;
 
   bool NoCPU = CPU == "generic" || CPU.empty();
   std::string ARMArchFeature;
-  switch (triple.getSubArch()) {
+  switch (TT.getSubArch()) {
   default:
     llvm_unreachable("invalid sub-architecture for ARM");
   case Triple::ARMSubArch_v8:
@@ -240,7 +237,7 @@ std::string ARM_MC::ParseARMTriple(StringRef TT, StringRef CPU) {
       ARMArchFeature += ",+thumb-mode";
   }
 
-  if (triple.isOSNaCl()) {
+  if (TT.isOSNaCl()) {
     if (ARMArchFeature.empty())
       ARMArchFeature = "+nacl-trap";
     else
@@ -250,8 +247,8 @@ std::string ARM_MC::ParseARMTriple(StringRef TT, StringRef CPU) {
   return ARMArchFeature;
 }
 
-MCSubtargetInfo *ARM_MC::createARMMCSubtargetInfo(StringRef TT, StringRef CPU,
-                                                  StringRef FS) {
+MCSubtargetInfo *ARM_MC::createARMMCSubtargetInfo(const Triple &TT,
+                                                  StringRef CPU, StringRef FS) {
   std::string ArchFS = ARM_MC::ParseARMTriple(TT, CPU);
   if (!FS.empty()) {
     if (!ArchFS.empty())