127 lines
5.3 KiB
C++
127 lines
5.3 KiB
C++
//===--------------------- PredicateExpander.h ----------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
/// \file
|
|
/// Functionalities used by the Tablegen backends to expand machine predicates.
|
|
///
|
|
/// See file llvm/Target/TargetInstrPredicate.td for a full list and description
|
|
/// of all the supported MCInstPredicate classes.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_UTILS_TABLEGEN_PREDICATEEXPANDER_H
|
|
#define LLVM_UTILS_TABLEGEN_PREDICATEEXPANDER_H
|
|
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
|
|
class raw_ostream;
|
|
class Record;
|
|
|
|
class PredicateExpander {
|
|
bool EmitCallsByRef;
|
|
bool NegatePredicate;
|
|
bool ExpandForMC;
|
|
unsigned IndentLevel;
|
|
StringRef TargetName;
|
|
|
|
PredicateExpander(const PredicateExpander &) = delete;
|
|
PredicateExpander &operator=(const PredicateExpander &) = delete;
|
|
|
|
public:
|
|
PredicateExpander(StringRef Target)
|
|
: EmitCallsByRef(true), NegatePredicate(false), ExpandForMC(false),
|
|
IndentLevel(1U), TargetName(Target) {}
|
|
bool isByRef() const { return EmitCallsByRef; }
|
|
bool shouldNegate() const { return NegatePredicate; }
|
|
bool shouldExpandForMC() const { return ExpandForMC; }
|
|
unsigned getIndentLevel() const { return IndentLevel; }
|
|
StringRef getTargetName() const { return TargetName; }
|
|
|
|
void setByRef(bool Value) { EmitCallsByRef = Value; }
|
|
void flipNegatePredicate() { NegatePredicate = !NegatePredicate; }
|
|
void setNegatePredicate(bool Value) { NegatePredicate = Value; }
|
|
void setExpandForMC(bool Value) { ExpandForMC = Value; }
|
|
void setIndentLevel(unsigned Level) { IndentLevel = Level; }
|
|
void increaseIndentLevel() { ++IndentLevel; }
|
|
void decreaseIndentLevel() { --IndentLevel; }
|
|
|
|
using RecVec = std::vector<Record *>;
|
|
void expandTrue(raw_ostream &OS);
|
|
void expandFalse(raw_ostream &OS);
|
|
void expandCheckImmOperand(raw_ostream &OS, int OpIndex, int ImmVal,
|
|
StringRef FunctionMapper);
|
|
void expandCheckImmOperand(raw_ostream &OS, int OpIndex, StringRef ImmVal,
|
|
StringRef FunctionMapperer);
|
|
void expandCheckImmOperandSimple(raw_ostream &OS, int OpIndex,
|
|
StringRef FunctionMapper);
|
|
void expandCheckRegOperand(raw_ostream &OS, int OpIndex, const Record *Reg,
|
|
StringRef FunctionMapper);
|
|
void expandCheckRegOperandSimple(raw_ostream &OS, int OpIndex,
|
|
StringRef FunctionMapper);
|
|
void expandCheckSameRegOperand(raw_ostream &OS, int First, int Second);
|
|
void expandCheckNumOperands(raw_ostream &OS, int NumOps);
|
|
void expandCheckOpcode(raw_ostream &OS, const Record *Inst);
|
|
|
|
void expandCheckPseudo(raw_ostream &OS, const RecVec &Opcodes);
|
|
void expandCheckOpcode(raw_ostream &OS, const RecVec &Opcodes);
|
|
void expandPredicateSequence(raw_ostream &OS, const RecVec &Sequence,
|
|
bool IsCheckAll);
|
|
void expandTIIFunctionCall(raw_ostream &OS, StringRef MethodName);
|
|
void expandCheckIsRegOperand(raw_ostream &OS, int OpIndex);
|
|
void expandCheckIsImmOperand(raw_ostream &OS, int OpIndex);
|
|
void expandCheckInvalidRegOperand(raw_ostream &OS, int OpIndex);
|
|
void expandCheckFunctionPredicate(raw_ostream &OS, StringRef MCInstFn,
|
|
StringRef MachineInstrFn);
|
|
void expandCheckFunctionPredicateWithTII(raw_ostream &OS, StringRef MCInstFn,
|
|
StringRef MachineInstrFn,
|
|
StringRef TIIPtr);
|
|
void expandCheckNonPortable(raw_ostream &OS, StringRef CodeBlock);
|
|
void expandPredicate(raw_ostream &OS, const Record *Rec);
|
|
void expandReturnStatement(raw_ostream &OS, const Record *Rec);
|
|
void expandOpcodeSwitchCase(raw_ostream &OS, const Record *Rec);
|
|
void expandOpcodeSwitchStatement(raw_ostream &OS, const RecVec &Cases,
|
|
const Record *Default);
|
|
void expandStatement(raw_ostream &OS, const Record *Rec);
|
|
};
|
|
|
|
// Forward declarations.
|
|
class STIPredicateFunction;
|
|
class OpcodeGroup;
|
|
|
|
class STIPredicateExpander : public PredicateExpander {
|
|
StringRef ClassPrefix;
|
|
bool ExpandDefinition;
|
|
|
|
STIPredicateExpander(const PredicateExpander &) = delete;
|
|
STIPredicateExpander &operator=(const PredicateExpander &) = delete;
|
|
|
|
void expandHeader(raw_ostream &OS, const STIPredicateFunction &Fn);
|
|
void expandPrologue(raw_ostream &OS, const STIPredicateFunction &Fn);
|
|
void expandOpcodeGroup(raw_ostream &OS, const OpcodeGroup &Group,
|
|
bool ShouldUpdateOpcodeMask);
|
|
void expandBody(raw_ostream &OS, const STIPredicateFunction &Fn);
|
|
void expandEpilogue(raw_ostream &OS, const STIPredicateFunction &Fn);
|
|
|
|
public:
|
|
STIPredicateExpander(StringRef Target)
|
|
: PredicateExpander(Target), ExpandDefinition(false) {}
|
|
|
|
bool shouldExpandDefinition() const { return ExpandDefinition; }
|
|
StringRef getClassPrefix() const { return ClassPrefix; }
|
|
void setClassPrefix(StringRef S) { ClassPrefix = S; }
|
|
void setExpandDefinition(bool Value) { ExpandDefinition = Value; }
|
|
|
|
void expandSTIPredicate(raw_ostream &OS, const STIPredicateFunction &Fn);
|
|
};
|
|
|
|
} // namespace llvm
|
|
|
|
#endif
|