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

tools/llvm-mc/llvm-mc.cpp

@@ -371,7 +371,8 @@ static int AssembleInput(const char *ProgName) {
 
   OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
                                                    *Str.get(), *MAI));
-  OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser, *TM));
+  OwningPtr<TargetAsmParser>
+    TAP(TheTarget->createAsmParser(TripleName, MCPU, FeaturesStr, *Parser));
   if (!TAP) {
     errs() << ProgName
            << ": error: this target does not support assembly parsing.\n";

tools/lto/LTOModule.cpp

@@ -619,7 +619,10 @@ bool LTOModule::addAsmGlobalSymbols(MCContext &Context) {
                                                   Context, *Streamer,
                                                   *_target->getMCAsmInfo()));
   OwningPtr<TargetAsmParser>
-    TAP(_target->getTarget().createAsmParser(*Parser.get(), *_target.get()));
+    TAP(_target->getTarget().createAsmParser(_target->getTargetTriple(),
+                                             _target->getTargetCPU(),
+                                             _target->getTargetFeatureString(),
+                                             *Parser.get()));
   Parser->setTargetParser(*TAP);
   int Res = Parser->Run(false);
   if (Res)