-//===- 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.
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Streams.h"
-#include <set>
#include <algorithm>
using namespace llvm;
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";
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";
}
}
+/// 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.
///
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!";
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);
for (inst_iterator II = inst_begin(), E = inst_end(); II != E; ++II)
if (&II->second != PHI &&
&II->second != INLINEASM &&
&II->second != LABEL &&
+ &II->second != DECLARE &&
&II->second != EXTRACT_SUBREG &&
&II->second != INSERT_SUBREG)
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");
- 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");
- isNotDuplicable = R->getValueAsBit("isNotDuplicable");
- hasOptionalDef = false;
- hasVariableNumberOfOperands = false;
-
- DagInit *DI;
- try {
- DI = R->getValueAsDag("OutOperandList");
- } catch (...) {
- // Error getting operand list, just ignore it (sparcv9).
- AsmString.clear();
- OperandList.clear();
- return;
- }
- NumDefs = DI->getNumArgs();
-
- DagInit *IDI;
- try {
- IDI = R->getValueAsDag("InOperandList");
- } catch (...) {
- // Error getting operand list, just ignore it (sparcv9).
- AsmString.clear();
- OperandList.clear();
- return;
- }
- DI = (DagInit*)(new BinOpInit(BinOpInit::CONCAT, DI, IDI))->Fold();
-
- unsigned MIOperandNo = 0;
- std::set<std::string> OperandNames;
- for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i) {
- DefInit *Arg = dynamic_cast<DefInit*>(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<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;
-
- 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<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;
- }
-}
-
-
-
-/// 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<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
//
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);
+ }
}
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff