Introduce virtual ParseRegister method in TargetAsmParser.

Create override of this method in X86/ARM/MBlaze.

llvm-svn: 124378

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index b388dced012..018e17d032f 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -53,6 +53,7 @@ class ARMAsmParser : public TargetAsmParser {
   bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); }
 
   int TryParseRegister();
+  virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
   bool TryParseCoprocessorOperandName(SmallVectorImpl<MCParsedAsmOperand*>&);
   bool TryParseRegisterWithWriteBack(SmallVectorImpl<MCParsedAsmOperand*> &);
   bool ParseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &);
@@ -549,6 +550,12 @@ static unsigned MatchRegisterName(StringRef Name);
 
 /// }
 
+bool ARMAsmParser::ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) {
+  RegNo = TryParseRegister();
+
+  return (RegNo == (unsigned)-1);
+}
+
 /// Try to parse a register name.  The token must be an Identifier when called,
 /// and if it is a register name the token is eaten and the register number is
 /// returned.  Otherwise return -1.