//===----------------------------------------------------------------------===//
#include "CodeGenTarget.h"
+#include "CodeGenIntrinsics.h"
#include "Record.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Streams.h"
#include <set>
#include <algorithm>
using namespace llvm;
/// 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::iAny: return "MVT::iAny";
+ 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::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::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::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::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::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::iPTR: return "TLI.getPointerTy()";
default: assert(0 && "ILLEGAL VALUE TYPE!"); return "";
}
}
/// getTarget - Return the current instance of the Target class.
///
-CodeGenTarget::CodeGenTarget() : PointerType(MVT::Other) {
+CodeGenTarget::CodeGenTarget() {
std::vector<Record*> 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"));
}
RegisterClasses.assign(RegClasses.begin(), RegClasses.end());
}
+std::vector<unsigned char> CodeGenTarget::getRegisterVTs(Record *R) const {
+ std::vector<unsigned char> Result;
+ const std::vector<CodeGenRegisterClass> &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<MVT::ValueType> &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] == '.') {
if (I == Instructions.end()) throw "Could not find 'INLINEASM' instruction!";
const CodeGenInstruction *INLINEASM = &I->second;
+ I = getInstructions().find("LABEL");
+ if (I == Instructions.end()) throw "Could not find 'LABEL' instruction!";
+ const CodeGenInstruction *LABEL = &I->second;
+
// Print out the rest of the instructions now.
NumberedInstructions.push_back(PHI);
NumberedInstructions.push_back(INLINEASM);
+ NumberedInstructions.push_back(LABEL);
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 != LABEL)
NumberedInstructions.push_back(&II->second);
}
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<unsigned,unsigned> 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<unsigned,unsigned> 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");
isCall = R->getValueAsBit("isCall");
isLoad = R->getValueAsBit("isLoad");
isStore = R->getValueAsBit("isStore");
- isTwoAddress = R->getValueAsBit("isTwoAddress");
+ 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");
DagInit *MIOpInfo = 0;
if (Rec->isSubClassOf("Operand")) {
PrintMethod = Rec->getValueAsString("PrintMethod");
- NumOps = Rec->getValueAsInt("NumMIOperands");
MIOpInfo = Rec->getValueAsDag("MIOperandInfo");
+
+ // Verify that MIOpInfo has an 'ops' root value.
+ if (!dynamic_cast<DefInit*>(MIOpInfo->getOperator()) ||
+ dynamic_cast<DefInit*>(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;
+
+ isPredicable |= Rec->isSubClassOf("PredicateOperand");
} else if (Rec->getName() == "variable_ops") {
hasVariableNumberOfOperands = true;
continue;
- } else if (!Rec->isSubClassOf("RegisterClass"))
+ } else if (!Rec->isSubClassOf("RegisterClass") &&
+ Rec->getName() != "ptr_rc")
throw "Unknown operand class '" + Rec->getName() +
"' in instruction '" + R->getName() + "' instruction!";
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<unsigned,unsigned> 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;
+ }
}
"' does not have an operand named '$" + Name + "'!";
}
+std::pair<unsigned,unsigned>
+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
//
NumOperands = R->getValueAsInt("NumOperands");
SelectFunc = R->getValueAsString("SelectFunc");
RootNodes = R->getValueAsListOfDefs("RootNodes");
+
+ // Parse the properties.
+ Properties = 0;
+ std::vector<Record*> 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 {
+ cerr << "Unsupported SD Node property '" << PropList[i]->getName()
+ << "' on ComplexPattern '" << R->getName() << "'!\n";
+ exit(1);
+ }
}
+//===----------------------------------------------------------------------===//
+// CodeGenIntrinsic Implementation
+//===----------------------------------------------------------------------===//
+
+std::vector<CodeGenIntrinsic> llvm::LoadIntrinsics(const RecordKeeper &RC) {
+ std::vector<Record*> I = RC.getAllDerivedDefinitions("Intrinsic");
+
+ std::vector<CodeGenIntrinsic> 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;
+ isOverloaded = false;
+
+ 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.<targetprefix>.".
+ 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) {
+ 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;
+ ArgVTs.push_back(VT);
+ 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) {
+ Record *Property = PropList->getElementAsRecord(i);
+ 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!");
+ }
+}