#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;
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::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::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::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";
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 std::pair<unsigned, unsigned> parseConstraint(const std::string &CStr,
- CodeGenInstruction *I) {
- const std::string ops("="); // FIXME: Only supports TIED_TO for now.
- std::string::size_type pos = CStr.find_first_of(ops);
+
+
+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(1, pos); // Skip '$'
+ std::string Name = CStr.substr(0, pos);
// TIED_TO: $src1 = $dst
- const std::string delims(" \t");
- std::string::size_type wpos = Name.find_first_of(delims);
- if (wpos != std::string::npos)
- Name = Name.substr(0, wpos);
- unsigned FIdx = I->getOperandNamed(Name);
+ 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(delims);
- if (wpos != std::string::npos)
- Name = Name.substr(wpos+1);
- unsigned TIdx = I->getOperandNamed(Name);
- if (TIdx >= FIdx)
+ 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 + "'";
- return std::make_pair(FIdx, (TIdx << 16) | 1);
-}
+
+
+ unsigned FlatOpNo = I->getFlattenedOperandNumber(SrcOp);
+ // Build the string for the operand.
+ std::string OpConstraint =
+ "((" + utostr(FlatOpNo) + " << 16) | (1 << TOI::TIED_TO))";
-static std::vector<unsigned> parseConstraints(const std::string &CStr,
- CodeGenInstruction *I) {
- unsigned NumOps = I->OperandList.size();
- std::vector<unsigned> Res(NumOps, 0);
- if (CStr == "")
- return Res;
+
+ 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;
eidx = CStr.find_first_of(delims, bidx);
if (eidx == std::string::npos)
eidx = CStr.length();
- std::pair<unsigned, unsigned> C =
- parseConstraint(CStr.substr(bidx, eidx), I);
- Res[C.first] = C.second;
+
+ ParseConstraint(CStr.substr(bidx, eidx), I);
bidx = CStr.find_first_not_of(delims, eidx);
}
-
- return Res;
}
CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
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;
}
- ConstraintStr = R->getValueAsString("Constraints");
- ConstraintsList = parseConstraints(ConstraintStr, this);
+ // 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
//
} else if (PropList[i]->getName() == "SDNPOptInFlag") {
Properties |= 1 << SDNPOptInFlag;
} else {
- std::cerr << "Unsupported SD Node property '" << PropList[i]->getName()
- << "' on ComplexPattern '" << R->getName() << "'!\n";
+ cerr << "Unsupported SD Node property '" << PropList[i]->getName()
+ << "' on ComplexPattern '" << R->getName() << "'!\n";
exit(1);
}
}
TheDef = R;
std::string DefName = R->getName();
ModRef = WriteMem;
+ isOverloaded = false;
if (DefName.size() <= 4 ||
std::string(DefName.begin(), DefName.begin()+4) != "int_")
// 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<DefInit*>(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"));
-
- if (CGT)
- ArgVTs.push_back(getValueType(TyEl->getValueAsDef("VT"), CGT));
+ 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) {
- DefInit *DI = dynamic_cast<DefInit*>(PropList->getElement(i));
- assert(DI && "Invalid list type!");
- Record *Property = DI->getDef();
+ Record *Property = PropList->getElementAsRecord(i);
assert(Property->isSubClassOf("IntrinsicProperty") &&
"Expected a property!");
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