X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeGenTarget.cpp;h=9b3864780dab85b5d462b553b2e2988ff691c613;hb=56867520990a4fea1353d55f71bb74a0126554e6;hp=71fc824eadfdb519f9e3e430946d7c38d46af0b2;hpb=88cc092ca5bd79480205ee7b01aa39c13f3e35d7;p=oota-llvm.git diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp index 71fc824eadf..9b3864780da 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. @@ -20,7 +20,6 @@ #include "llvm/ADT/StringExtras.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Streams.h" -#include #include using namespace llvm; @@ -28,13 +27,13 @@ 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, const CodeGenTarget *CGT) { - 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 "MVT::i1"; @@ -44,10 +43,12 @@ std::string llvm::getName(MVT::ValueType T) { 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::void"; case MVT::v8i8: return "MVT::v8i8"; @@ -61,12 +62,14 @@ std::string llvm::getName(MVT::ValueType T) { 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()"; 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 "MVT::Other"; case MVT::i1: return "MVT::i1"; @@ -76,10 +79,12 @@ std::string llvm::getEnumName(MVT::ValueType T) { 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"; @@ -93,11 +98,24 @@ std::string llvm::getEnumName(MVT::ValueType T) { case MVT::v2f32: return "MVT::v2f32"; case MVT::v4f32: return "MVT::v4f32"; case MVT::v2f64: return "MVT::v2f64"; - case MVT::iPTR: return "TLI.getPointerTy()"; + case MVT::v3i32: return "MVT::v3i32"; + case MVT::v3f32: return "MVT::v3f32"; + case MVT::iPTR: return "MVT::iPTR"; default: assert(0 && "ILLEGAL VALUE TYPE!"); return ""; } } +/// 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. /// @@ -163,7 +181,7 @@ std::vector CodeGenTarget::getRegisterVTs(Record *R) const { 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(); + const std::vector &InVTs = RC.getValueTypes(); for (unsigned i = 0, e = InVTs.size(); i != e; ++i) Result.push_back(InVTs[i]); } @@ -213,8 +231,9 @@ CodeGenRegisterClass::CodeGenRegisterClass(Record *R) : TheDef(R) { 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"); } @@ -271,14 +290,48 @@ getInstructionsByEnumValue(std::vector if (I == Instructions.end()) throw "Could not find 'LABEL' instruction!"; const CodeGenInstruction *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(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 && - &II->second != LABEL) + &II->second != 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); } @@ -290,248 +343,6 @@ bool CodeGenTarget::isLittleEndianEncoding() const { return getInstructionSet()->getValueAsBit("isLittleEndianEncoding"); } - - -static void ParseConstraint(const std::string &CStr, CodeGenInstruction *I) { - // FIXME: Only supports TIED_TO for now. - std::string::size_type pos = CStr.find_first_of('='); - assert(pos != std::string::npos && "Unrecognized constraint"); - std::string Name = CStr.substr(0, pos); - - // TIED_TO: $src1 = $dst - std::string::size_type wpos = Name.find_first_of(" \t"); - if (wpos == std::string::npos) - throw "Illegal format for tied-to constraint: '" + CStr + "'"; - std::string DestOpName = Name.substr(0, wpos); - std::pair DestOp = I->ParseOperandName(DestOpName, false); - - Name = CStr.substr(pos+1); - wpos = Name.find_first_not_of(" \t"); - if (wpos == std::string::npos) - throw "Illegal format for tied-to constraint: '" + CStr + "'"; - - std::pair SrcOp = - I->ParseOperandName(Name.substr(wpos), false); - if (SrcOp > DestOp) - throw "Illegal tied-to operand constraint '" + CStr + "'"; - - - unsigned FlatOpNo = I->getFlattenedOperandNumber(SrcOp); - // Build the string for the operand. - std::string OpConstraint = - "((" + utostr(FlatOpNo) + " << 16) | (1 << TOI::TIED_TO))"; - - - if (!I->OperandList[DestOp.first].Constraints[DestOp.second].empty()) - throw "Operand '" + DestOpName + "' cannot have multiple constraints!"; - I->OperandList[DestOp.first].Constraints[DestOp.second] = OpConstraint; -} - -static void ParseConstraints(const std::string &CStr, CodeGenInstruction *I) { - // Make sure the constraints list for each operand is large enough to hold - // constraint info, even if none is present. - for (unsigned i = 0, e = I->OperandList.size(); i != e; ++i) - I->OperandList[i].Constraints.resize(I->OperandList[i].MINumOperands); - - if (CStr.empty()) return; - - const std::string delims(","); - std::string::size_type bidx, eidx; - - bidx = CStr.find_first_not_of(delims); - while (bidx != std::string::npos) { - eidx = CStr.find_first_of(delims, bidx); - if (eidx == std::string::npos) - eidx = CStr.length(); - - ParseConstraint(CStr.substr(bidx, eidx), I); - bidx = CStr.find_first_not_of(delims, eidx); - } -} - -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"); - bool isTwoAddress = R->getValueAsBit("isTwoAddress"); - isPredicable = R->getValueAsBit("isPredicable"); - isConvertibleToThreeAddress = R->getValueAsBit("isConvertibleToThreeAddress"); - isCommutable = R->getValueAsBit("isCommutable"); - isTerminator = R->getValueAsBit("isTerminator"); - isReMaterializable = R->getValueAsBit("isReMaterializable"); - hasDelaySlot = R->getValueAsBit("hasDelaySlot"); - usesCustomDAGSchedInserter = R->getValueAsBit("usesCustomDAGSchedInserter"); - hasCtrlDep = R->getValueAsBit("hasCtrlDep"); - noResults = R->getValueAsBit("noResults"); - isNotDuplicable = R->getValueAsBit("isNotDuplicable"); - hasOptionalDef = false; - 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"); - MIOpInfo = Rec->getValueAsDag("MIOperandInfo"); - - // Verify that MIOpInfo has an 'ops' root value. - if (!dynamic_cast(MIOpInfo->getOperator()) || - dynamic_cast(MIOpInfo->getOperator()) - ->getDef()->getName() != "ops") - throw "Bad value for MIOperandInfo in operand '" + Rec->getName() + - "'\n"; - - // If we have MIOpInfo, then we have #operands equal to number of entries - // in MIOperandInfo. - if (unsigned NumArgs = MIOpInfo->getNumArgs()) - NumOps = NumArgs; - - if (Rec->isSubClassOf("PredicateOperand")) - isPredicable = true; - else if (Rec->isSubClassOf("OptionalDefOperand")) - hasOptionalDef = true; - } else if (Rec->getName() == "variable_ops") { - hasVariableNumberOfOperands = true; - continue; - } else if (!Rec->isSubClassOf("RegisterClass") && - Rec->getName() != "ptr_rc") - 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; - } - - // Parse Constraints. - ParseConstraints(R->getValueAsString("Constraints"), this); - - // For backward compatibility: isTwoAddress means operand 1 is tied to - // operand 0. - if (isTwoAddress) { - if (!OperandList[1].Constraints[0].empty()) - throw R->getName() + ": cannot use isTwoAddress property: instruction " - "already has constraint set!"; - OperandList[1].Constraints[0] = "((0 << 16) | (1 << TOI::TIED_TO))"; - } - - // Any operands with unset constraints get 0 as their constraint. - for (unsigned op = 0, e = OperandList.size(); op != e; ++op) - for (unsigned j = 0, e = OperandList[op].MINumOperands; j != e; ++j) - if (OperandList[op].Constraints[j].empty()) - OperandList[op].Constraints[j] = "0"; - - // Parse the DisableEncoding field. - std::string DisableEncoding = R->getValueAsString("DisableEncoding"); - while (1) { - std::string OpName = getToken(DisableEncoding, " ,\t"); - if (OpName.empty()) break; - - // Figure out which operand this is. - std::pair Op = ParseOperandName(OpName, false); - - // Mark the operand as not-to-be encoded. - if (Op.second >= OperandList[Op.first].DoNotEncode.size()) - OperandList[Op.first].DoNotEncode.resize(Op.second+1); - OperandList[Op.first].DoNotEncode[Op.second] = true; - } -} - - - -/// 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 + "'!"; -} - -std::pair -CodeGenInstruction::ParseOperandName(const std::string &Op, - bool AllowWholeOp) { - if (Op.empty() || Op[0] != '$') - throw TheDef->getName() + ": Illegal operand name: '" + Op + "'"; - - std::string OpName = Op.substr(1); - std::string SubOpName; - - // Check to see if this is $foo.bar. - std::string::size_type DotIdx = OpName.find_first_of("."); - if (DotIdx != std::string::npos) { - SubOpName = OpName.substr(DotIdx+1); - if (SubOpName.empty()) - throw TheDef->getName() + ": illegal empty suboperand name in '" +Op +"'"; - OpName = OpName.substr(0, DotIdx); - } - - unsigned OpIdx = getOperandNamed(OpName); - - if (SubOpName.empty()) { // If no suboperand name was specified: - // If one was needed, throw. - if (OperandList[OpIdx].MINumOperands > 1 && !AllowWholeOp && - SubOpName.empty()) - throw TheDef->getName() + ": Illegal to refer to" - " whole operand part of complex operand '" + Op + "'"; - - // Otherwise, return the operand. - return std::make_pair(OpIdx, 0U); - } - - // Find the suboperand number involved. - DagInit *MIOpInfo = OperandList[OpIdx].MIOperandInfo; - if (MIOpInfo == 0) - throw TheDef->getName() + ": unknown suboperand name in '" + Op + "'"; - - // Find the operand with the right name. - for (unsigned i = 0, e = MIOpInfo->getNumArgs(); i != e; ++i) - if (MIOpInfo->getArgName(i) == SubOpName) - return std::make_pair(OpIdx, i); - - // Otherwise, didn't find it! - throw TheDef->getName() + ": unknown suboperand name in '" + Op + "'"; -} - - - - //===----------------------------------------------------------------------===// // ComplexPattern implementation // @@ -549,11 +360,29 @@ ComplexPattern::ComplexPattern(Record *R) { 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 { 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); + } } //===----------------------------------------------------------------------===// @@ -565,24 +394,17 @@ std::vector llvm::LoadIntrinsics(const RecordKeeper &RC) { 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; + Result.push_back(CodeGenIntrinsic(I[i])); return Result; } -CodeGenIntrinsic::CodeGenIntrinsic(Record *R, CodeGenTarget *CGT) { +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_") @@ -622,13 +444,12 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R, CodeGenTarget *CGT) { for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) { Record *TyEl = TypeList->getElementAsRecord(i); assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!"); - ArgTypes.push_back(TyEl->getValueAsString("TypeVal")); - MVT::ValueType VT = getValueType(TyEl->getValueAsDef("VT"), CGT); - isOverloaded |= VT == MVT::iAny; + MVT::SimpleValueType VT = getValueType(TyEl->getValueAsDef("VT")); + isOverloaded |= VT == MVT::iAny || VT == MVT::fAny; 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!"; @@ -649,6 +470,8 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R, CodeGenTarget *CGT) { ModRef = WriteArgMem; else if (Property->getName() == "IntrWriteMem") ModRef = WriteMem; + else if (Property->getName() == "Commutative") + isCommutative = true; else assert(0 && "Unknown property!"); }