1. Use SubtargetFeatures in llc/lli.

2. Propagate feature "string" to all targets.

3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.

llvm-svn: 23192
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index ed8b871..7a4a178 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -15,7 +15,7 @@
 #include "llvm/Module.h"
 using namespace llvm;
 
-X86Subtarget::X86Subtarget(const Module &M)
+X86Subtarget::X86Subtarget(const Module &M, const std::string &FS)
   : TargetSubtarget(), stackAlignment(8),
     indirectExternAndWeakGlobals(false), asmDarwinLinkerStubs(false),
     asmLeadingUnderscore(false), asmAlignmentIsInBytes(false),