From b7fbcc9696e38ca26c7eb67077c04b51c846c9cb Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 24 Jul 2011 20:45:08 +0000
Subject: [PATCH] switch Triple to take twines instead of stringrefs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135889 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/Triple.h | 29 +++++++++--------------------
 lib/Support/Triple.cpp    |  5 -----
 2 files changed, 9 insertions(+), 25 deletions(-)

diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index fd23608a759..0ad096b9377 100644
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -10,8 +10,7 @@
 #ifndef LLVM_ADT_TRIPLE_H
 #define LLVM_ADT_TRIPLE_H
 
-#include "llvm/ADT/StringRef.h"
-#include <string>
+#include "llvm/ADT/Twine.h"
 
 // Some system headers or GCC predefined macros conflict with identifiers in
 // this file.  Undefine them here.
@@ -19,8 +18,6 @@
 #undef sparc
 
 namespace llvm {
-class StringRef;
-class Twine;
 
 /// Triple - Helper class for working with target triples.
 ///
@@ -134,24 +131,16 @@ public:
   /// @{
 
   Triple() : Data(), Arch(InvalidArch) {}
-  explicit Triple(StringRef Str) : Data(Str), Arch(InvalidArch) {}
-  explicit Triple(StringRef ArchStr, StringRef VendorStr, StringRef OSStr)
-    : Data(ArchStr), Arch(InvalidArch) {
-    Data += '-';
-    Data += VendorStr;
-    Data += '-';
-    Data += OSStr;
+  explicit Triple(const Twine &Str) : Data(Str.str()), Arch(InvalidArch) {}
+  Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr)
+    : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()),
+      Arch(InvalidArch) {
   }
 
-  explicit Triple(StringRef ArchStr, StringRef VendorStr, StringRef OSStr,
-    StringRef EnvironmentStr)
-    : Data(ArchStr), Arch(InvalidArch) {
-    Data += '-';
-    Data += VendorStr;
-    Data += '-';
-    Data += OSStr;
-    Data += '-';
-    Data += EnvironmentStr;
+  Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr,
+         const Twine &EnvironmentStr)
+    : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') +
+            EnvironmentStr).str()), Arch(InvalidArch) {
   }
 
   /// @}
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 20026194b85..e1729bfdf37 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -8,16 +8,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/Triple.h"
-
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/Twine.h"
-#include <cassert>
 #include <cstring>
 using namespace llvm;
 
-//
-
 const char *Triple::getArchTypeName(ArchType Kind) {
   switch (Kind) {
   case InvalidArch: return "<invalid>";