commit e7c52282dd1b0f2d53c72c0036e28badb43221b6
author Nadav Rotem <nrotem@apple.com> Wed Feb 27 05:23:56 2013 +0000
committer Nadav Rotem <nrotem@apple.com> Wed Feb 27 05:23:56 2013 +0000
tree 0d97c0e8bdd18e33eb1c4d3937f7af2cc6c13817
parent c1a2caf870ab37d887cb89f21ca59a2efde88928

std::string to StringRef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176166 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86Subtarget.cpp

diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 0f2c008..ec8733f 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -332,9 +332,9 @@
                                            "target-cpu");
   Attribute FSAttr = FnAttrs.getAttribute(AttributeSet::FunctionIndex,
                                           "target-features");
-  std::string CPU =
-    !CPUAttr.hasAttribute(Attribute::None) ?CPUAttr.getValueAsString() : "";
-  std::string FS =
+  StringRef CPU =
+    !CPUAttr.hasAttribute(Attribute::None) ? CPUAttr.getValueAsString() : "";
+  StringRef FS =
     !FSAttr.hasAttribute(Attribute::None) ? FSAttr.getValueAsString() : "";
   if (!FS.empty()) {
     initializeEnvironment();
@@ -343,7 +343,7 @@
 }
 
 void X86Subtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {
-  std::string CPUName = CPU;
+  StringRef CPUName = CPU;
   if (!FS.empty() || !CPU.empty()) {
     if (CPUName.empty()) {
 #if defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)\