Eliminate asm parser's dependency on TargetMachine:

- Each target asm parser now creates its own MCSubtatgetInfo (if needed).
- Changed AssemblerPredicate to take subtarget features which tablegen uses
  to generate asm matcher subtarget feature queries. e.g.
  "ModeThumb,FeatureThumb2" is translated to
  "(Bits & ModeThumb) != 0 && (Bits & FeatureThumb2) != 0".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134678 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/TargetMachine.cpp

@@ -216,8 +216,9 @@ FunctionSections("ffunction-sections",
 // TargetMachine Class
 //
 
-TargetMachine::TargetMachine(const Target &T) 
-  : TheTarget(T), AsmInfo(0),
+TargetMachine::TargetMachine(const Target &T,
+                             StringRef TT, StringRef CPU, StringRef FS)
+  : TheTarget(T), TargetTriple(TT), TargetCPU(CPU), TargetFS(FS), AsmInfo(0),
     MCRelaxAll(false),
     MCNoExecStack(false),
     MCSaveTempLabels(false),