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MC/AsmMatcher: Add support for custom conversion functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124870 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -248,6 +248,13 @@ class Instruction {
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/// Target-specific flags. This becomes the TSFlags field in TargetInstrDesc.
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/// Target-specific flags. This becomes the TSFlags field in TargetInstrDesc.
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bits<64> TSFlags = 0;
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bits<64> TSFlags = 0;
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///@name Assembler Parser Support
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///@{
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string AsmMatchConverter = "";
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///@}
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}
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}
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/// Predicates - These are extra conditionals which are turned into instruction
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/// Predicates - These are extra conditionals which are turned into instruction
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@ -1388,6 +1388,26 @@ static void EmitConvertToMCInst(CodeGenTarget &Target,
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ie = Infos.end(); it != ie; ++it) {
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ie = Infos.end(); it != ie; ++it) {
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MatchableInfo &II = **it;
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MatchableInfo &II = **it;
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// Check if we have a custom match function.
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StringRef AsmMatchConverter = II.getResultInst()->TheDef->getValueAsString(
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"AsmMatchConverter");
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if (!AsmMatchConverter.empty()) {
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std::string Signature = "ConvertCustom_" + AsmMatchConverter.str();
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II.ConversionFnKind = Signature;
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// Check if we have already generated this signature.
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if (!GeneratedFns.insert(Signature).second)
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continue;
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// If not, emit it now. Add to the enum list.
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OS << " " << Signature << ",\n";
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CvtOS << " case " << Signature << ":\n";
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CvtOS << " " << AsmMatchConverter << "(Inst, Opcode, Operands);\n";
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CvtOS << " return;\n";
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continue;
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}
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// Build the conversion function signature.
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// Build the conversion function signature.
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std::string Signature = "Convert";
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std::string Signature = "Convert";
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std::string CaseBody;
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std::string CaseBody;
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@ -1988,7 +2008,6 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
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it != ie; ++it) {
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it != ie; ++it) {
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MatchableInfo &II = **it;
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MatchableInfo &II = **it;
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OS << " { " << Target.getName() << "::"
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OS << " { " << Target.getName() << "::"
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<< II.getResultInst()->TheDef->getName() << ", \"" << II.Mnemonic << "\""
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<< II.getResultInst()->TheDef->getName() << ", \"" << II.Mnemonic << "\""
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<< ", " << II.ConversionFnKind << ", { ";
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<< ", " << II.ConversionFnKind << ", { ";
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