[llvm] r176171 - Revert r176166 because it broke one of the lit tests.

[Nadav Rotem]

Author: nadav
Date: Tue Feb 26 23:56:20 2013
New Revision: 176171

URL: http://llvm.org/viewvc/llvm-project?rev=176171&view=rev
Log:
Revert r176166 because it broke one of the lit tests.

Modified:
    llvm/trunk/lib/Target/X86/X86Subtarget.cpp

Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=176171&r1=176170&r2=176171&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Tue Feb 26 23:56:20 2013
@@ -332,9 +332,9 @@ void X86Subtarget::resetSubtargetFeature
                                            "target-cpu");
   Attribute FSAttr = FnAttrs.getAttribute(AttributeSet::FunctionIndex,
                                           "target-features");
-  StringRef CPU =
-    !CPUAttr.hasAttribute(Attribute::None) ? CPUAttr.getValueAsString() : "";
-  StringRef FS =
+  std::string CPU =
+    !CPUAttr.hasAttribute(Attribute::None) ?CPUAttr.getValueAsString() : "";
+  std::string FS =
     !FSAttr.hasAttribute(Attribute::None) ? FSAttr.getValueAsString() : "";
   if (!FS.empty()) {
     initializeEnvironment();
@@ -343,7 +343,7 @@ void X86Subtarget::resetSubtargetFeature
 }
 
 void X86Subtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {
-  StringRef CPUName = CPU;
+  std::string CPUName = CPU;
   if (!FS.empty() || !CPU.empty()) {
     if (CPUName.empty()) {
 #if defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)\