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| author | Bob Wilson <bob.wilson@apple.com> | 2011-01-26 21:43:46 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2011-01-26 21:43:46 +0000 |
| commit | 1fe3aa15e9cdc4981d7a125d87eaf257c1d75af1 (patch) | |
| tree | f43295a300211a5317143d10fdac6544b6af1d26 /utils/TableGen | |
| parent | 4a95c199779037d1dc60db8f7b883e28c794b001 (diff) | |
Add a MnemonicIsValid method to the asm matcher.
Patch by Bill Wendling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124328 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen')
| -rw-r--r-- | utils/TableGen/AsmMatcherEmitter.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp index 97cc3ff3db..a04428c4c6 100644 --- a/utils/TableGen/AsmMatcherEmitter.cpp +++ b/utils/TableGen/AsmMatcherEmitter.cpp @@ -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" |