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author | Jim Laskey <jlaskey@mac.com> | 2005-10-31 17:16:46 +0000 |
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committer | Jim Laskey <jlaskey@mac.com> | 2005-10-31 17:16:46 +0000 |
commit | 0433df136f7eb1e9cc3a462bc410a6743d90a28c (patch) | |
tree | 9a768ecc51fae78bef4e3809007e07465099d841 | |
parent | 3763a50d82404d836ae278bee5d1c3114916c8d5 (diff) | |
download | llvm-0433df136f7eb1e9cc3a462bc410a6743d90a28c.zip llvm-0433df136f7eb1e9cc3a462bc410a6743d90a28c.tar.gz llvm-0433df136f7eb1e9cc3a462bc410a6743d90a28c.tar.bz2 |
Emit itinerary class in instruction info.
llvm-svn: 24122
-rw-r--r-- | llvm/utils/TableGen/InstrInfoEmitter.cpp | 34 | ||||
-rw-r--r-- | llvm/utils/TableGen/InstrInfoEmitter.h | 7 |
2 files changed, 39 insertions, 2 deletions
diff --git a/llvm/utils/TableGen/InstrInfoEmitter.cpp b/llvm/utils/TableGen/InstrInfoEmitter.cpp index b5a1a2e..0626a30 100644 --- a/llvm/utils/TableGen/InstrInfoEmitter.cpp +++ b/llvm/utils/TableGen/InstrInfoEmitter.cpp @@ -76,6 +76,8 @@ static std::vector<Record*> GetOperandInfo(const CodeGenInstruction &Inst) { // run - Emit the main instruction description records for the target... void InstrInfoEmitter::run(std::ostream &OS) { + GatherItinClasses(); + EmitSourceFileHeader("Target Instruction Descriptors", OS); OS << "namespace llvm {\n\n"; @@ -168,7 +170,13 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num, OS << Inst.TheDef->getName(); else OS << Inst.Name; - OS << "\",\t" << NumOperands << ", -1, 0, false, 0, 0, 0, 0"; + + unsigned ItinClass = !IsItineraries ? 0 : + ItinClassNumber(Inst.TheDef->getValueAsDef("Itinerary")->getName()); + + OS << "\",\t" << NumOperands << ", -1, 0, false, 0, 0, " + << ItinClass + << ", 0"; // Emit all of the target indepedent flags... if (Inst.isReturn) OS << "|M_RET_FLAG"; @@ -222,6 +230,30 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num, OS << " }, // Inst #" << Num << " = " << Inst.TheDef->getName() << "\n"; } +struct LessRecord { + bool operator()(const Record *Rec1, const Record *Rec2) const { + return Rec1->getName() < Rec2->getName(); + } +}; +void InstrInfoEmitter::GatherItinClasses() { + std::vector<Record*> DefList = + Records.getAllDerivedDefinitions("InstrItinClass"); + IsItineraries = !DefList.empty(); + + if (!IsItineraries) return; + + sort(DefList.begin(), DefList.end(), LessRecord()); + + for (unsigned i = 0, N = DefList.size(); i < N; i++) { + Record *Def = DefList[i]; + ItinClassMap[Def->getName()] = i + 1; + } +} + +unsigned InstrInfoEmitter::ItinClassNumber(std::string ItinName) { + return ItinClassMap[ItinName]; +} + void InstrInfoEmitter::emitShiftedValue(Record *R, StringInit *Val, IntInit *ShiftInt, std::ostream &OS) { if (Val == 0 || ShiftInt == 0) diff --git a/llvm/utils/TableGen/InstrInfoEmitter.h b/llvm/utils/TableGen/InstrInfoEmitter.h index 93f0e60..2389f3a 100644 --- a/llvm/utils/TableGen/InstrInfoEmitter.h +++ b/llvm/utils/TableGen/InstrInfoEmitter.h @@ -28,8 +28,11 @@ struct CodeGenInstruction; class InstrInfoEmitter : public TableGenBackend { RecordKeeper &Records; + bool IsItineraries; + std::map<std::string, unsigned> ItinClassMap; + public: - InstrInfoEmitter(RecordKeeper &R) : Records(R) {} + InstrInfoEmitter(RecordKeeper &R) : Records(R), IsItineraries(false) {} // run - Output the instruction set description, returning true on failure. void run(std::ostream &OS); @@ -44,6 +47,8 @@ private: std::map<std::vector<Record*>, unsigned> &EL, std::map<std::vector<Record*>, unsigned> &OpInfo, std::ostream &OS); + void GatherItinClasses(); + unsigned ItinClassNumber(std::string ItinName); void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift, std::ostream &OS); }; |