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Add a MnemonicIsValid method to the asm matcher.

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Patch by Bill Wendling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124328 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2011-01-26 21:43:46 +00:00
parent 4a95c19977
commit 1fe3aa15e9
1 changed files with 11 additions and 0 deletions
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11
utils/TableGen/AsmMatcherEmitter.cpp
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@ -1897,6 +1897,7 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << " Match_Success, Match_MnemonicFail, Match_InvalidOperand,\n";
OS << " Match_MissingFeature\n";
OS << " };\n";
OS << " bool MnemonicIsValid(StringRef Mnemonic);\n";
OS << " MatchResultTy MatchInstructionImpl(\n";
OS << " const SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n";
OS << " MCInst &Inst, unsigned &ErrorInfo);\n\n";
@ -2013,6 +2014,16 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << "};\n\n";
// A method to determine if a mnemonic is in the list.
OS << "bool " << Target.getName() << ClassName << "::\n"
<< "MnemonicIsValid(StringRef Mnemonic) {\n";
OS << " // Search the table.\n";
OS << " std::pair<const MatchEntry*, const MatchEntry*> MnemonicRange =\n";
OS << " std::equal_range(MatchTable, MatchTable+"
<< Info.Matchables.size() << ", Mnemonic, LessOpcode());\n";
OS << " return MnemonicRange.first != MnemonicRange.second;\n";
OS << "}\n\n";
// Finally, build the match function.
OS << Target.getName() << ClassName << "::MatchResultTy "
<< Target.getName() << ClassName << "::\n"