diff --git a/llvm/lib/TableGen/TGParser.cpp b/llvm/lib/TableGen/TGParser.cpp index 067ce42ffbf33..f373f2c4d7de5 100644 --- a/llvm/lib/TableGen/TGParser.cpp +++ b/llvm/lib/TableGen/TGParser.cpp @@ -304,32 +304,16 @@ bool TGParser::AddSubClass(Record *CurRec, SubClassReference &SubClass) { Record *SC = SubClass.Rec; MapResolver R(CurRec); - // Loop over all the subclass record's fields. Add template arguments - // to the resolver map. Add regular fields to the new record. - for (const RecordVal &Field : SC->getValues()) { - if (Field.isTemplateArg()) { - R.set(Field.getNameInit(), Field.getValue()); - } else { + // Loop over all the subclass record's fields. Add regular fields to the new + // record. + for (const RecordVal &Field : SC->getValues()) + if (!Field.isTemplateArg()) if (AddValue(CurRec, SubClass.RefRange.Start, Field)) return true; - } - } - - ArrayRef TArgs = SC->getTemplateArgs(); - assert(SubClass.TemplateArgs.size() <= TArgs.size() && - "Too many template arguments allowed"); - // Loop over the template argument names. If a value was specified, - // reset the map value. If not and there was no default, complain. - for (unsigned I = 0, E = TArgs.size(); I != E; ++I) { - if (I < SubClass.TemplateArgs.size()) - R.set(TArgs[I], SubClass.TemplateArgs[I]); - else if (!R.isComplete(TArgs[I])) - return Error(SubClass.RefRange.Start, - "Value not specified for template argument '" + - TArgs[I]->getAsUnquotedString() + "' (#" + Twine(I) + - ") of parent class '" + SC->getNameInitAsString() + "'"); - } + if (resolveArgumentsOfClass(R, SC, SubClass.TemplateArgs, + SubClass.RefRange.Start)) + return true; // Copy the subclass record's assertions to the new record. CurRec->appendAssertions(SC); @@ -383,36 +367,16 @@ bool TGParser::AddSubMultiClass(MultiClass *CurMC, SubMultiClassReference &SubMultiClass) { MultiClass *SMC = SubMultiClass.MC; - ArrayRef SMCTArgs = SMC->Rec.getTemplateArgs(); - if (SMCTArgs.size() < SubMultiClass.TemplateArgs.size()) - return Error(SubMultiClass.RefRange.Start, - "More template args specified than expected"); - - // Prepare the mapping of template argument name to value, filling in default - // values if necessary. - SubstStack TemplateArgs; - for (unsigned i = 0, e = SMCTArgs.size(); i != e; ++i) { - if (i < SubMultiClass.TemplateArgs.size()) { - TemplateArgs.emplace_back(SMCTArgs[i], SubMultiClass.TemplateArgs[i]); - } else { - Init *Default = SMC->Rec.getValue(SMCTArgs[i])->getValue(); - if (!Default->isComplete()) { - return Error(SubMultiClass.RefRange.Start, - "value not specified for template argument #" + Twine(i) + - " (" + SMCTArgs[i]->getAsUnquotedString() + - ") of multiclass '" + SMC->Rec.getNameInitAsString() + - "'"); - } - TemplateArgs.emplace_back(SMCTArgs[i], Default); - } - } - - TemplateArgs.emplace_back(QualifiedNameOfImplicitName(SMC), - VarInit::get(QualifiedNameOfImplicitName(CurMC), - StringRecTy::get(Records))); + SubstStack Substs; + if (resolveArgumentsOfMultiClass( + Substs, SMC, SubMultiClass.TemplateArgs, + VarInit::get(QualifiedNameOfImplicitName(CurMC), + StringRecTy::get(Records)), + SubMultiClass.RefRange.Start)) + return true; // Add all of the defs in the subclass into the current multiclass. - return resolve(SMC->Entries, TemplateArgs, false, &CurMC->Entries); + return resolve(SMC->Entries, Substs, false, &CurMC->Entries); } /// Add a record, foreach loop, or assertion to the current context. @@ -605,6 +569,51 @@ bool TGParser::addDefOne(std::unique_ptr Rec) { return false; } +bool TGParser::resolveArguments(Record *Rec, ArrayRef ArgValues, + SMLoc Loc, ArgValueHandler ArgValueHandler) { + ArrayRef ArgNames = Rec->getTemplateArgs(); + assert(ArgValues.size() <= ArgNames.size() && + "Too many template arguments allowed"); + + // Loop over the template argument names. If a value was specified, + // handle the (name, value) pair. If not and there was no default, complain. + for (unsigned I = 0, E = ArgNames.size(); I != E; ++I) { + if (I < ArgValues.size()) + ArgValueHandler(ArgNames[I], ArgValues[I]); + else { + Init *Default = Rec->getValue(ArgNames[I])->getValue(); + if (!Default->isComplete()) + return Error(Loc, "Value not specified for template argument '" + + ArgNames[I]->getAsUnquotedString() + "' (#" + + Twine(I) + ") of parent class '" + + Rec->getNameInitAsString() + "'"); + ArgValueHandler(ArgNames[I], Default); + } + } + + return false; +} + +/// Resolve the arguments of class and set them to MapResolver. +/// Returns true if failed. +bool TGParser::resolveArgumentsOfClass(MapResolver &R, Record *Rec, + ArrayRef ArgValues, SMLoc Loc) { + return resolveArguments(Rec, ArgValues, Loc, + [&](Init *Name, Init *Value) { R.set(Name, Value); }); +} + +/// Resolve the arguments of multiclass and store them into SubstStack. +/// Returns true if failed. +bool TGParser::resolveArgumentsOfMultiClass(SubstStack &Substs, MultiClass *MC, + ArrayRef ArgValues, + Init *DefmName, SMLoc Loc) { + // Add an implicit argument NAME. + Substs.emplace_back(QualifiedNameOfImplicitName(MC), DefmName); + return resolveArguments( + &MC->Rec, ArgValues, Loc, + [&](Init *Name, Init *Value) { Substs.emplace_back(Name, Value); }); +} + //===----------------------------------------------------------------------===// // Parser Code //===----------------------------------------------------------------------===// @@ -2595,18 +2604,8 @@ Init *TGParser::ParseSimpleValue(Record *CurRec, RecTy *ItemType, if (CheckTemplateArgValues(Args, NameLoc.Start, Class)) return nullptr; // Error checking template argument values. - // Loop through the arguments that were not specified and make sure - // they have a complete value. - ArrayRef TArgs = Class->getTemplateArgs(); - for (unsigned I = Args.size(), E = TArgs.size(); I < E; ++I) { - RecordVal *Arg = Class->getValue(TArgs[I]); - if (!Arg->getValue()->isComplete()) { - Error(NameLoc.Start, "Value not specified for template argument '" + - TArgs[I]->getAsUnquotedString() + "' (#" + - Twine(I) + ") of parent class '" + - Class->getNameInitAsString() + "'"); - } - } + if (resolveArguments(Class, Args, NameLoc.Start)) + return nullptr; if (TrackReferenceLocs) Class->appendReferenceLoc(NameLoc); @@ -4119,26 +4118,10 @@ bool TGParser::ParseDefm(MultiClass *CurMultiClass) { MultiClass *MC = MultiClasses[std::string(Ref.Rec->getName())].get(); assert(MC && "Didn't lookup multiclass correctly?"); - ArrayRef TemplateVals = Ref.TemplateArgs; - ArrayRef TArgs = MC->Rec.getTemplateArgs(); SubstStack Substs; - - for (unsigned i = 0, e = TArgs.size(); i != e; ++i) { - if (i < TemplateVals.size()) { - Substs.emplace_back(TArgs[i], TemplateVals[i]); - } else { - Init *Default = MC->Rec.getValue(TArgs[i])->getValue(); - if (!Default->isComplete()) - return Error(SubClassLoc, - "value not specified for template argument '" + - TArgs[i]->getAsUnquotedString() + "' (#" + - Twine(i) + ") of multiclass '" + - MC->Rec.getNameInitAsString() + "'"); - Substs.emplace_back(TArgs[i], Default); - } - } - - Substs.emplace_back(QualifiedNameOfImplicitName(MC), DefmName); + if (resolveArgumentsOfMultiClass(Substs, MC, Ref.TemplateArgs, DefmName, + SubClassLoc)) + return true; if (resolve(MC->Entries, Substs, !CurMultiClass && Loops.empty(), &NewEntries, &SubClassLoc)) diff --git a/llvm/lib/TableGen/TGParser.h b/llvm/lib/TableGen/TGParser.h index d43f292b38480..538f8ae4c2d3d 100644 --- a/llvm/lib/TableGen/TGParser.h +++ b/llvm/lib/TableGen/TGParser.h @@ -242,6 +242,16 @@ class TGParser { SMLoc *Loc = nullptr); bool addDefOne(std::unique_ptr Rec); + using ArgValueHandler = std::function; + bool resolveArguments( + Record *Rec, ArrayRef ArgValues, SMLoc Loc, + ArgValueHandler ArgValueHandler = [](Init *, Init *) {}); + bool resolveArgumentsOfClass(MapResolver &R, Record *Rec, + ArrayRef ArgValues, SMLoc Loc); + bool resolveArgumentsOfMultiClass(SubstStack &Substs, MultiClass *MC, + ArrayRef ArgValues, Init *DefmName, + SMLoc Loc); + private: // Parser methods. bool consume(tgtok::TokKind K); bool ParseObjectList(MultiClass *MC = nullptr);