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/Mips/MipsTargetMachine.cpp

@@ -37,7 +37,7 @@ MipsTargetMachine::
 MipsTargetMachine(const Target &T, const std::string &TT,
                   const std::string &CPU, const std::string &FS,
                   bool isLittle=false):
-  LLVMTargetMachine(T, TT),
+  LLVMTargetMachine(T, TT, CPU, FS),
   Subtarget(TT, CPU, FS, isLittle),
   DataLayout(isLittle ? 
              std::string("e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") :