tblgen/AsmMatcher: Always emit the match function as 'MatchInstructionImpl',

target specific parsers can adapt the TargetAsmParser to this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110888 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/Target.td

@@ -511,10 +511,6 @@ class AsmParser {
   // perform target specific instruction post-processing.
   string AsmParserInstCleanup  = "";
 
-  // MatchInstructionName - The name of the instruction matching function to
-  // generate.
-  string MatchInstructionName  = "MatchInstruction";
-
   // Variant - AsmParsers can be of multiple different variants.  Variants are
   // used to support targets that need to parser multiple formats for the
   // assembly language.

lib/Target/ARM/AsmParser/ARMAsmParser.cpp

@@ -80,13 +80,19 @@ private:
 
   bool ParseDirectiveSyntax(SMLoc L);
 
+  bool MatchInstruction(const SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+                        MCInst &Inst) {
+    return MatchInstructionImpl(Operands, Inst);
+  }
+
   /// @name Auto-generated Match Functions
   /// {
 
   unsigned ComputeAvailableFeatures(const ARMSubtarget *Subtarget) const;
 
-  bool MatchInstruction(const SmallVectorImpl<MCParsedAsmOperand*> &Operands,
-                        MCInst &Inst);
+  bool MatchInstructionImpl(const SmallVectorImpl<MCParsedAsmOperand*>
+                              &Operands,
+                            MCInst &Inst);
 
   /// }
 

lib/Target/X86/X86.td

@@ -182,7 +182,6 @@ include "X86CallingConv.td"
 // Currently the X86 assembly parser only supports ATT syntax.
 def ATTAsmParser : AsmParser {
   string AsmParserClassName = "ATTAsmParser";
-  string MatchInstructionName = "MatchInstructionImpl";
   int Variant = 0;
 
   // Discard comments in assembly strings.

utils/TableGen/AsmMatcherEmitter.cpp

@@ -1699,13 +1699,10 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
        it != ie; ++it)
     MaxNumOperands = std::max(MaxNumOperands, (*it)->Operands.size());
 
-  const std::string &MatchName =
-    AsmParser->getValueAsString("MatchInstructionName");
   OS << "bool " << Target.getName() << ClassName << "::\n"
-     << MatchName
-     << "(const SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n";
-  OS.indent(MatchName.size() + 1);
-  OS << "MCInst &Inst) {\n";
+     << "MatchInstructionImpl(const SmallVectorImpl<MCParsedAsmOperand*>"
+     << " &Operands,\n";
+  OS << "                     MCInst &Inst) {\n";
 
   // Emit the static match table; unused classes get initalized to 0 which is
   // guaranteed to be InvalidMatchClass.