X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeGenTarget.cpp;h=8159ae7bd7fad7a24cc2e5302a1dbfacec9eb79e;hb=02cdb377eca9fedd28180fa396222e78c8e7134a;hp=8c6436d5de3ef950c81555a3cc7c1d75f979836c;hpb=9073dea7c0490f8c20599e6e513c527954cc33d3;p=oota-llvm.git diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp index 8c6436d5de3..8159ae7bd7f 100644 --- a/utils/TableGen/CodeGenTarget.cpp +++ b/utils/TableGen/CodeGenTarget.cpp @@ -15,6 +15,7 @@ //===----------------------------------------------------------------------===// #include "CodeGenTarget.h" +#include "CodeGenIntrinsics.h" #include "Record.h" #include "llvm/ADT/StringExtras.h" #include "llvm/Support/CommandLine.h" @@ -28,61 +29,66 @@ AsmWriterNum("asmwriternum", cl::init(0), /// getValueType - Return the MCV::ValueType that the specified TableGen record /// corresponds to. -MVT::ValueType llvm::getValueType(Record *Rec) { +MVT::ValueType llvm::getValueType(Record *Rec, const CodeGenTarget *CGT) { return (MVT::ValueType)Rec->getValueAsInt("Value"); } std::string llvm::getName(MVT::ValueType T) { switch (T) { case MVT::Other: return "UNKNOWN"; - case MVT::i1: return "i1"; - case MVT::i8: return "i8"; - case MVT::i16: return "i16"; - case MVT::i32: return "i32"; - case MVT::i64: return "i64"; - case MVT::i128: return "i128"; - case MVT::f32: return "f32"; - case MVT::f64: return "f64"; - case MVT::f80: return "f80"; - case MVT::f128: return "f128"; - case MVT::Flag: return "Flag"; - case MVT::isVoid:return "void"; - case MVT::v8i8: return "v8i8"; - case MVT::v4i16: return "v4i16"; - case MVT::v2i32: return "v2i32"; - case MVT::v16i8: return "v16i8"; - case MVT::v8i16: return "v8i16"; - case MVT::v4i32: return "v4i32"; - case MVT::v2i64: return "v2i64"; - case MVT::v2f32: return "v2f32"; - case MVT::v4f32: return "v4f32"; - case MVT::v2f64: return "v2f64"; + case MVT::i1: return "MVT::i1"; + case MVT::i8: return "MVT::i8"; + case MVT::i16: return "MVT::i16"; + case MVT::i32: return "MVT::i32"; + case MVT::i64: return "MVT::i64"; + case MVT::i128: return "MVT::i128"; + case MVT::f32: return "MVT::f32"; + case MVT::f64: return "MVT::f64"; + case MVT::f80: return "MVT::f80"; + case MVT::f128: return "MVT::f128"; + case MVT::Flag: return "MVT::Flag"; + case MVT::isVoid:return "MVT::void"; + case MVT::v8i8: return "MVT::v8i8"; + case MVT::v4i16: return "MVT::v4i16"; + case MVT::v2i32: return "MVT::v2i32"; + case MVT::v16i8: return "MVT::v16i8"; + case MVT::v8i16: return "MVT::v8i16"; + case MVT::v4i32: return "MVT::v4i32"; + case MVT::v2i64: return "MVT::v2i64"; + case MVT::v2f32: return "MVT::v2f32"; + case MVT::v4f32: return "MVT::v4f32"; + case MVT::v2f64: return "MVT::v2f64"; + case MVT::iPTR: return "TLI.getPointerTy()"; default: assert(0 && "ILLEGAL VALUE TYPE!"); return ""; } } std::string llvm::getEnumName(MVT::ValueType T) { switch (T) { - case MVT::Other: return "Other"; - case MVT::i1: return "i1"; - case MVT::i8: return "i8"; - case MVT::i16: return "i16"; - case MVT::i32: return "i32"; - case MVT::i64: return "i64"; - case MVT::i128: return "i128"; - case MVT::f32: return "f32"; - case MVT::f64: return "f64"; - case MVT::f80: return "f80"; - case MVT::f128: return "f128"; - case MVT::Flag: return "Flag"; - case MVT::isVoid:return "isVoid"; - case MVT::v16i8: return "v16i8"; - case MVT::v8i16: return "v8i16"; - case MVT::v4i32: return "v4i32"; - case MVT::v2i64: return "v2i64"; - case MVT::v2f32: return "v2f32"; - case MVT::v4f32: return "v4f32"; - case MVT::v2f64: return "v2f64"; + case MVT::Other: return "MVT::Other"; + case MVT::i1: return "MVT::i1"; + case MVT::i8: return "MVT::i8"; + case MVT::i16: return "MVT::i16"; + case MVT::i32: return "MVT::i32"; + case MVT::i64: return "MVT::i64"; + case MVT::i128: return "MVT::i128"; + case MVT::f32: return "MVT::f32"; + case MVT::f64: return "MVT::f64"; + case MVT::f80: return "MVT::f80"; + case MVT::f128: return "MVT::f128"; + case MVT::Flag: return "MVT::Flag"; + case MVT::isVoid:return "MVT::isVoid"; + case MVT::v8i8: return "MVT::v8i8"; + case MVT::v4i16: return "MVT::v4i16"; + case MVT::v2i32: return "MVT::v2i32"; + case MVT::v16i8: return "MVT::v16i8"; + case MVT::v8i16: return "MVT::v8i16"; + case MVT::v4i32: return "MVT::v4i32"; + case MVT::v2i64: return "MVT::v2i64"; + case MVT::v2f32: return "MVT::v2f32"; + case MVT::v4f32: return "MVT::v4f32"; + case MVT::v2f64: return "MVT::v2f64"; + case MVT::iPTR: return "TLI.getPointerTy()"; default: assert(0 && "ILLEGAL VALUE TYPE!"); return ""; } } @@ -95,17 +101,13 @@ std::ostream &llvm::operator<<(std::ostream &OS, MVT::ValueType T) { /// getTarget - Return the current instance of the Target class. /// -CodeGenTarget::CodeGenTarget() : PointerType(MVT::Other) { +CodeGenTarget::CodeGenTarget() { std::vector Targets = Records.getAllDerivedDefinitions("Target"); if (Targets.size() == 0) throw std::string("ERROR: No 'Target' subclasses defined!"); if (Targets.size() != 1) throw std::string("ERROR: Multiple subclasses of Target defined!"); TargetRec = Targets[0]; - - // Read in all of the CalleeSavedRegisters. - CalleeSavedRegisters =TargetRec->getValueAsListOfDefs("CalleeSavedRegisters"); - PointerType = getValueType(TargetRec->getValueAsDef("PointerType")); } @@ -154,6 +156,23 @@ void CodeGenTarget::ReadRegisterClasses() const { RegisterClasses.assign(RegClasses.begin(), RegClasses.end()); } +std::vector CodeGenTarget::getRegisterVTs(Record *R) const { + std::vector Result; + const std::vector &RCs = getRegisterClasses(); + for (unsigned i = 0, e = RCs.size(); i != e; ++i) { + const CodeGenRegisterClass &RC = RegisterClasses[i]; + for (unsigned ei = 0, ee = RC.Elements.size(); ei != ee; ++ei) { + if (R == RC.Elements[ei]) { + const std::vector &InVTs = RC.getValueTypes(); + for (unsigned i = 0, e = InVTs.size(); i != e; ++i) + Result.push_back(InVTs[i]); + } + } + } + return Result; +} + + CodeGenRegisterClass::CodeGenRegisterClass(Record *R) : TheDef(R) { // Rename anonymous register classes. if (R->getName().size() > 9 && R->getName()[9] == '.') { @@ -345,3 +364,102 @@ ComplexPattern::ComplexPattern(Record *R) { RootNodes = R->getValueAsListOfDefs("RootNodes"); } +//===----------------------------------------------------------------------===// +// CodeGenIntrinsic Implementation +//===----------------------------------------------------------------------===// + +std::vector llvm::LoadIntrinsics(const RecordKeeper &RC) { + std::vector I = RC.getAllDerivedDefinitions("Intrinsic"); + + std::vector Result; + + // If we are in the context of a target .td file, get the target info so that + // we can decode the current intptr_t. + CodeGenTarget *CGT = 0; + if (Records.getClass("Target") && + Records.getAllDerivedDefinitions("Target").size() == 1) + CGT = new CodeGenTarget(); + + for (unsigned i = 0, e = I.size(); i != e; ++i) + Result.push_back(CodeGenIntrinsic(I[i], CGT)); + delete CGT; + return Result; +} + +CodeGenIntrinsic::CodeGenIntrinsic(Record *R, CodeGenTarget *CGT) { + TheDef = R; + std::string DefName = R->getName(); + ModRef = WriteMem; + + if (DefName.size() <= 4 || + std::string(DefName.begin(), DefName.begin()+4) != "int_") + throw "Intrinsic '" + DefName + "' does not start with 'int_'!"; + EnumName = std::string(DefName.begin()+4, DefName.end()); + if (R->getValue("GCCBuiltinName")) // Ignore a missing GCCBuiltinName field. + GCCBuiltinName = R->getValueAsString("GCCBuiltinName"); + TargetPrefix = R->getValueAsString("TargetPrefix"); + Name = R->getValueAsString("LLVMName"); + if (Name == "") { + // If an explicit name isn't specified, derive one from the DefName. + Name = "llvm."; + for (unsigned i = 0, e = EnumName.size(); i != e; ++i) + if (EnumName[i] == '_') + Name += '.'; + else + Name += EnumName[i]; + } else { + // Verify it starts with "llvm.". + if (Name.size() <= 5 || + std::string(Name.begin(), Name.begin()+5) != "llvm.") + throw "Intrinsic '" + DefName + "'s name does not start with 'llvm.'!"; + } + + // If TargetPrefix is specified, make sure that Name starts with + // "llvm..". + if (!TargetPrefix.empty()) { + if (Name.size() < 6+TargetPrefix.size() || + std::string(Name.begin()+5, Name.begin()+6+TargetPrefix.size()) + != (TargetPrefix+".")) + throw "Intrinsic '" + DefName + "' does not start with 'llvm." + + TargetPrefix + ".'!"; + } + + // Parse the list of argument types. + ListInit *TypeList = R->getValueAsListInit("Types"); + for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) { + DefInit *DI = dynamic_cast(TypeList->getElement(i)); + assert(DI && "Invalid list type!"); + Record *TyEl = DI->getDef(); + assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!"); + ArgTypes.push_back(TyEl->getValueAsString("TypeVal")); + + if (CGT) + ArgVTs.push_back(getValueType(TyEl->getValueAsDef("VT"), CGT)); + ArgTypeDefs.push_back(TyEl); + } + if (ArgTypes.size() == 0) + throw "Intrinsic '"+DefName+"' needs at least a type for the ret value!"; + + // Parse the intrinsic properties. + ListInit *PropList = R->getValueAsListInit("Properties"); + for (unsigned i = 0, e = PropList->getSize(); i != e; ++i) { + DefInit *DI = dynamic_cast(PropList->getElement(i)); + assert(DI && "Invalid list type!"); + Record *Property = DI->getDef(); + assert(Property->isSubClassOf("IntrinsicProperty") && + "Expected a property!"); + + if (Property->getName() == "IntrNoMem") + ModRef = NoMem; + else if (Property->getName() == "IntrReadArgMem") + ModRef = ReadArgMem; + else if (Property->getName() == "IntrReadMem") + ModRef = ReadMem; + else if (Property->getName() == "IntrWriteArgMem") + ModRef = WriteArgMem; + else if (Property->getName() == "IntrWriteMem") + ModRef = WriteMem; + else + assert(0 && "Unknown property!"); + } +}