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/ARM/ARMTargetMachine.cpp

@@ -80,7 +80,7 @@ ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T,
                                            const std::string &TT,
                                            const std::string &CPU,
                                            const std::string &FS)
-  : LLVMTargetMachine(T, TT),
+  : LLVMTargetMachine(T, TT, CPU, FS),
     Subtarget(TT, CPU, FS),
     JITInfo(),
     InstrItins(Subtarget.getInstrItineraryData()) {