X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeGenTarget.cpp;h=4e7a10c1d81ddf6379a6457944f21dfa7f7ad3b5;hb=b2a14325079f64debd7df6d5a8ed2037b3128154;hp=42864f54f3af2a6e014a44c4188271db5b975a63;hpb=2ca956f8dede03c23f6b497395cd3b99ebd1eb8a;p=oota-llvm.git diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp index 42864f54f3a..4e7a10c1d81 100644 --- a/utils/TableGen/CodeGenTarget.cpp +++ b/utils/TableGen/CodeGenTarget.cpp @@ -1,13 +1,13 @@ -//===- CodeGenTarget.cpp - CodeGen Target Class Wrapper ---------*- C++ -*-===// +//===- CodeGenTarget.cpp - CodeGen Target Class Wrapper -------------------===// // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // -// This class wrap target description classes used by the various code +// This class wraps target description classes used by the various code // generation TableGen backends. This makes it easier to access the data and // provides a single place that needs to check it for validity. All of these // classes throw exceptions on error conditions. @@ -19,7 +19,7 @@ #include "Record.h" #include "llvm/ADT/StringExtras.h" #include "llvm/Support/CommandLine.h" -#include +#include "llvm/Support/Streams.h" #include using namespace llvm; @@ -27,89 +27,107 @@ static cl::opt AsmWriterNum("asmwriternum", cl::init(0), cl::desc("Make -gen-asm-writer emit assembly writer #N")); -/// getValueType - Return the MCV::ValueType that the specified TableGen record -/// corresponds to. -MVT::ValueType llvm::getValueType(Record *Rec) { - return (MVT::ValueType)Rec->getValueAsInt("Value"); +/// getValueType - Return the MVT::SimpleValueType that the specified TableGen +/// record corresponds to. +MVT::SimpleValueType llvm::getValueType(Record *Rec) { + return (MVT::SimpleValueType)Rec->getValueAsInt("Value"); } -std::string llvm::getName(MVT::ValueType T) { +std::string llvm::getName(MVT::SimpleValueType 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::iAny: return "MVT::iAny"; + case MVT::fAny: return "MVT::fAny"; + 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::ppcf128: return "MVT::ppcf128"; + 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::v1i64: return "MVT::v1i64"; + 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::v3i32: return "MVT::v3i32"; + case MVT::v3f32: return "MVT::v3f32"; + case MVT::iPTR: return "TLI.getPointerTy()"; + case MVT::iPTRAny: return "TLI.getPointerTy()"; default: assert(0 && "ILLEGAL VALUE TYPE!"); return ""; } } -std::string llvm::getEnumName(MVT::ValueType T) { +std::string llvm::getEnumName(MVT::SimpleValueType 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::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::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::iAny: return "MVT::iAny"; + case MVT::fAny: return "MVT::fAny"; + 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::ppcf128: return "MVT::ppcf128"; + 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::v1i64: return "MVT::v1i64"; + 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::v3i32: return "MVT::v3i32"; + case MVT::v3f32: return "MVT::v3f32"; + case MVT::iPTR: return "MVT::iPTR"; + case MVT::iPTRAny: return "MVT::iPTRAny"; default: assert(0 && "ILLEGAL VALUE TYPE!"); return ""; } } - -std::ostream &llvm::operator<<(std::ostream &OS, MVT::ValueType T) { - return OS << getName(T); +/// getQualifiedName - Return the name of the specified record, with a +/// namespace qualifier if the record contains one. +/// +std::string llvm::getQualifiedName(const Record *R) { + std::string Namespace = R->getValueAsString("Namespace"); + if (Namespace.empty()) return R->getName(); + return Namespace + "::" + R->getName(); } + + /// 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")); } @@ -117,6 +135,21 @@ const std::string &CodeGenTarget::getName() const { return TargetRec->getName(); } +std::string CodeGenTarget::getInstNamespace() const { + std::string InstNS; + + for (inst_iterator i = inst_begin(), e = inst_end(); i != e; ++i) { + InstNS = i->second.Namespace; + + // Make sure not to pick up "TargetInstrInfo" by accidentally getting + // the namespace off the PHI instruction or something. + if (InstNS != "TargetInstrInfo") + break; + } + + return InstNS; +} + Record *CodeGenTarget::getInstructionSet() const { return TargetRec->getValueAsDef("InstructionSet"); } @@ -158,6 +191,23 @@ 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] == '.') { @@ -184,12 +234,23 @@ CodeGenRegisterClass::CodeGenRegisterClass(Record *R) : TheDef(R) { Elements.push_back(Reg); } + std::vector SubRegClassList = + R->getValueAsListOfDefs("SubRegClassList"); + for (unsigned i = 0, e = SubRegClassList.size(); i != e; ++i) { + Record *SubRegClass = SubRegClassList[i]; + if (!SubRegClass->isSubClassOf("RegisterClass")) + throw "Register Class member '" + SubRegClass->getName() + + "' does not derive from the RegisterClass class!"; + SubRegClasses.push_back(SubRegClass); + } + // Allow targets to override the size in bits of the RegisterClass. unsigned Size = R->getValueAsInt("Size"); Namespace = R->getValueAsString("Namespace"); - SpillSize = Size ? Size : MVT::getSizeInBits(VTs[0]); + SpillSize = Size ? Size : MVT(VTs[0]).getSizeInBits(); SpillAlignment = R->getValueAsInt("Alignment"); + CopyCost = R->getValueAsInt("CopyCost"); MethodBodies = R->getValueAsCode("MethodBodies"); MethodProtos = R->getValueAsCode("MethodProtos"); } @@ -242,11 +303,64 @@ getInstructionsByEnumValue(std::vector if (I == Instructions.end()) throw "Could not find 'INLINEASM' instruction!"; const CodeGenInstruction *INLINEASM = &I->second; + I = getInstructions().find("DBG_LABEL"); + if (I == Instructions.end()) throw "Could not find 'DBG_LABEL' instruction!"; + const CodeGenInstruction *DBG_LABEL = &I->second; + + I = getInstructions().find("EH_LABEL"); + if (I == Instructions.end()) throw "Could not find 'EH_LABEL' instruction!"; + const CodeGenInstruction *EH_LABEL = &I->second; + + I = getInstructions().find("GC_LABEL"); + if (I == Instructions.end()) throw "Could not find 'GC_LABEL' instruction!"; + const CodeGenInstruction *GC_LABEL = &I->second; + + I = getInstructions().find("DECLARE"); + if (I == Instructions.end()) throw "Could not find 'DECLARE' instruction!"; + const CodeGenInstruction *DECLARE = &I->second; + + I = getInstructions().find("EXTRACT_SUBREG"); + if (I == Instructions.end()) + throw "Could not find 'EXTRACT_SUBREG' instruction!"; + const CodeGenInstruction *EXTRACT_SUBREG = &I->second; + + I = getInstructions().find("INSERT_SUBREG"); + if (I == Instructions.end()) + throw "Could not find 'INSERT_SUBREG' instruction!"; + const CodeGenInstruction *INSERT_SUBREG = &I->second; + + I = getInstructions().find("IMPLICIT_DEF"); + if (I == Instructions.end()) + throw "Could not find 'IMPLICIT_DEF' instruction!"; + const CodeGenInstruction *IMPLICIT_DEF = &I->second; + + I = getInstructions().find("SUBREG_TO_REG"); + if (I == Instructions.end()) + throw "Could not find 'SUBREG_TO_REG' instruction!"; + const CodeGenInstruction *SUBREG_TO_REG = &I->second; + // Print out the rest of the instructions now. NumberedInstructions.push_back(PHI); NumberedInstructions.push_back(INLINEASM); + NumberedInstructions.push_back(DBG_LABEL); + NumberedInstructions.push_back(EH_LABEL); + NumberedInstructions.push_back(GC_LABEL); + NumberedInstructions.push_back(DECLARE); + NumberedInstructions.push_back(EXTRACT_SUBREG); + NumberedInstructions.push_back(INSERT_SUBREG); + NumberedInstructions.push_back(IMPLICIT_DEF); + NumberedInstructions.push_back(SUBREG_TO_REG); for (inst_iterator II = inst_begin(), E = inst_end(); II != E; ++II) - if (&II->second != PHI &&&II->second != INLINEASM) + if (&II->second != PHI && + &II->second != INLINEASM && + &II->second != DBG_LABEL && + &II->second != EH_LABEL && + &II->second != GC_LABEL && + &II->second != DECLARE && + &II->second != EXTRACT_SUBREG && + &II->second != INSERT_SUBREG && + &II->second != IMPLICIT_DEF && + &II->second != SUBREG_TO_REG) NumberedInstructions.push_back(&II->second); } @@ -258,87 +372,6 @@ bool CodeGenTarget::isLittleEndianEncoding() const { return getInstructionSet()->getValueAsBit("isLittleEndianEncoding"); } -CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr) - : TheDef(R), AsmString(AsmStr) { - Name = R->getValueAsString("Name"); - Namespace = R->getValueAsString("Namespace"); - - isReturn = R->getValueAsBit("isReturn"); - isBranch = R->getValueAsBit("isBranch"); - isBarrier = R->getValueAsBit("isBarrier"); - isCall = R->getValueAsBit("isCall"); - isLoad = R->getValueAsBit("isLoad"); - isStore = R->getValueAsBit("isStore"); - isTwoAddress = R->getValueAsBit("isTwoAddress"); - isConvertibleToThreeAddress = R->getValueAsBit("isConvertibleToThreeAddress"); - isCommutable = R->getValueAsBit("isCommutable"); - isTerminator = R->getValueAsBit("isTerminator"); - hasDelaySlot = R->getValueAsBit("hasDelaySlot"); - usesCustomDAGSchedInserter = R->getValueAsBit("usesCustomDAGSchedInserter"); - hasCtrlDep = R->getValueAsBit("hasCtrlDep"); - noResults = R->getValueAsBit("noResults"); - hasVariableNumberOfOperands = false; - - DagInit *DI; - try { - DI = R->getValueAsDag("OperandList"); - } catch (...) { - // Error getting operand list, just ignore it (sparcv9). - AsmString.clear(); - OperandList.clear(); - return; - } - - unsigned MIOperandNo = 0; - std::set OperandNames; - for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i) { - DefInit *Arg = dynamic_cast(DI->getArg(i)); - if (!Arg) - throw "Illegal operand for the '" + R->getName() + "' instruction!"; - - Record *Rec = Arg->getDef(); - std::string PrintMethod = "printOperand"; - unsigned NumOps = 1; - DagInit *MIOpInfo = 0; - if (Rec->isSubClassOf("Operand")) { - PrintMethod = Rec->getValueAsString("PrintMethod"); - NumOps = Rec->getValueAsInt("NumMIOperands"); - MIOpInfo = Rec->getValueAsDag("MIOperandInfo"); - } else if (Rec->getName() == "variable_ops") { - hasVariableNumberOfOperands = true; - continue; - } else if (!Rec->isSubClassOf("RegisterClass")) - throw "Unknown operand class '" + Rec->getName() + - "' in instruction '" + R->getName() + "' instruction!"; - - // Check that the operand has a name and that it's unique. - if (DI->getArgName(i).empty()) - throw "In instruction '" + R->getName() + "', operand #" + utostr(i) + - " has no name!"; - if (!OperandNames.insert(DI->getArgName(i)).second) - throw "In instruction '" + R->getName() + "', operand #" + utostr(i) + - " has the same name as a previous operand!"; - - OperandList.push_back(OperandInfo(Rec, DI->getArgName(i), PrintMethod, - MIOperandNo, NumOps, MIOpInfo)); - MIOperandNo += NumOps; - } -} - - - -/// getOperandNamed - Return the index of the operand with the specified -/// non-empty name. If the instruction does not have an operand with the -/// specified name, throw an exception. -/// -unsigned CodeGenInstruction::getOperandNamed(const std::string &Name) const { - assert(!Name.empty() && "Cannot search for operand with no name!"); - for (unsigned i = 0, e = OperandList.size(); i != e; ++i) - if (OperandList[i].Name == Name) return i; - throw "Instruction '" + TheDef->getName() + - "' does not have an operand named '$" + Name + "'!"; -} - //===----------------------------------------------------------------------===// // ComplexPattern implementation // @@ -347,6 +380,40 @@ ComplexPattern::ComplexPattern(Record *R) { NumOperands = R->getValueAsInt("NumOperands"); SelectFunc = R->getValueAsString("SelectFunc"); RootNodes = R->getValueAsListOfDefs("RootNodes"); + + // Parse the properties. + Properties = 0; + std::vector PropList = R->getValueAsListOfDefs("Properties"); + for (unsigned i = 0, e = PropList.size(); i != e; ++i) + if (PropList[i]->getName() == "SDNPHasChain") { + Properties |= 1 << SDNPHasChain; + } else if (PropList[i]->getName() == "SDNPOptInFlag") { + Properties |= 1 << SDNPOptInFlag; + } else if (PropList[i]->getName() == "SDNPMayStore") { + Properties |= 1 << SDNPMayStore; + } else if (PropList[i]->getName() == "SDNPMayLoad") { + Properties |= 1 << SDNPMayLoad; + } else if (PropList[i]->getName() == "SDNPSideEffect") { + Properties |= 1 << SDNPSideEffect; + } else if (PropList[i]->getName() == "SDNPMemOperand") { + Properties |= 1 << SDNPMemOperand; + } else { + cerr << "Unsupported SD Node property '" << PropList[i]->getName() + << "' on ComplexPattern '" << R->getName() << "'!\n"; + exit(1); + } + + // Parse the attributes. + Attributes = 0; + PropList = R->getValueAsListOfDefs("Attributes"); + for (unsigned i = 0, e = PropList.size(); i != e; ++i) + if (PropList[i]->getName() == "CPAttrParentAsRoot") { + Attributes |= 1 << CPAttrParentAsRoot; + } else { + cerr << "Unsupported pattern attribute '" << PropList[i]->getName() + << "' on ComplexPattern '" << R->getName() << "'!\n"; + exit(1); + } } //===----------------------------------------------------------------------===// @@ -355,13 +422,20 @@ ComplexPattern::ComplexPattern(Record *R) { std::vector llvm::LoadIntrinsics(const RecordKeeper &RC) { std::vector I = RC.getAllDerivedDefinitions("Intrinsic"); - return std::vector(I.begin(), I.end()); + + std::vector Result; + + for (unsigned i = 0, e = I.size(); i != e; ++i) + Result.push_back(CodeGenIntrinsic(I[i])); + return Result; } CodeGenIntrinsic::CodeGenIntrinsic(Record *R) { TheDef = R; std::string DefName = R->getName(); ModRef = WriteMem; + isOverloaded = false; + isCommutative = false; if (DefName.size() <= 4 || std::string(DefName.begin(), DefName.begin()+4) != "int_") @@ -399,37 +473,36 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) { // 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(); + Record *TyEl = TypeList->getElementAsRecord(i); assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!"); - ArgTypes.push_back(TyEl->getValueAsString("TypeVal")); - - ArgVTs.push_back(getValueType(TyEl->getValueAsDef("VT"))); + MVT::SimpleValueType VT = getValueType(TyEl->getValueAsDef("VT")); + isOverloaded |= VT == MVT::iAny || VT == MVT::fAny || VT == MVT::iPTRAny; + ArgVTs.push_back(VT); ArgTypeDefs.push_back(TyEl); } - if (ArgTypes.size() == 0) + if (ArgVTs.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(); + Record *Property = PropList->getElementAsRecord(i); assert(Property->isSubClassOf("IntrinsicProperty") && "Expected a property!"); - if (Property->getName() == "InstrNoMem") + if (Property->getName() == "IntrNoMem") ModRef = NoMem; - else if (Property->getName() == "InstrReadArgMem") + else if (Property->getName() == "IntrReadArgMem") ModRef = ReadArgMem; else if (Property->getName() == "IntrReadMem") ModRef = ReadMem; - else if (Property->getName() == "InstrWriteArgMem") + else if (Property->getName() == "IntrWriteArgMem") ModRef = WriteArgMem; else if (Property->getName() == "IntrWriteMem") ModRef = WriteMem; + else if (Property->getName() == "Commutative") + isCommutative = true; else assert(0 && "Unknown property!"); }