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📄 CodeGenHwModes.cpp(3.45 KB)
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📄 CodeGenInstruction.h(13.7 KB)
📄 CodeGenIntrinsics.h(6.6 KB)
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📄 DAGISelEmitter.cpp(6.92 KB)
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📄 DAGISelMatcher.h(37.72 KB)
📄 DAGISelMatcherEmitter.cpp(37.44 KB)
📄 DAGISelMatcherGen.cpp(44.06 KB)
📄 DAGISelMatcherOpt.cpp(17.35 KB)
📄 DFAEmitter.cpp(13.11 KB)
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📄 DirectiveEmitter.cpp(20.15 KB)
📄 DisassemblerEmitter.cpp(7.02 KB)
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📄 FastISelEmitter.cpp(30.83 KB)
📄 FixedLenDecoderEmitter.cpp(90.04 KB)
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📄 GlobalISelEmitter.cpp(215.56 KB)
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📄 IntrinsicEmitter.cpp(32.87 KB)
📄 OptEmitter.cpp(2.9 KB)
📄 OptEmitter.h(575 B)
📄 OptParserEmitter.cpp(15.16 KB)
📄 OptRSTEmitter.cpp(2.71 KB)
📄 PredicateExpander.cpp(17.39 KB)
📄 PredicateExpander.h(5.19 KB)
📄 PseudoLoweringEmitter.cpp(11.8 KB)
📄 RISCVCompressInstEmitter.cpp(39.23 KB)
📄 RegisterBankEmitter.cpp(12.52 KB)
📄 RegisterInfoEmitter.cpp(61.32 KB)
📄 SDNodeProperties.cpp(1.9 KB)
📄 SDNodeProperties.h(985 B)
📄 SearchableTableEmitter.cpp(26.81 KB)
📄 SequenceToOffsetTable.h(8.49 KB)
📄 SubtargetEmitter.cpp(70.77 KB)
📄 SubtargetFeatureInfo.cpp(5.72 KB)
📄 SubtargetFeatureInfo.h(4.05 KB)
📄 TableGen.cpp(9.7 KB)
📄 TableGenBackends.h(4.62 KB)
📄 Types.cpp(1.46 KB)
📄 Types.h(900 B)
📄 WebAssemblyDisassemblerEmitter.cpp(6.79 KB)
📄 WebAssemblyDisassemblerEmitter.h(980 B)
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📄 X86DisassemblerTables.cpp(42.64 KB)
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📄 X86EVEX2VEXTablesEmitter.cpp(8.77 KB)
📄 X86FoldTablesEmitter.cpp(26.09 KB)
📄 X86ModRMFilters.cpp(636 B)
📄 X86ModRMFilters.h(4.69 KB)
📄 X86RecognizableInstr.cpp(47.05 KB)
📄 X86RecognizableInstr.h(14.13 KB)

Editing: PredicateExpander.h

//===--------------------- 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 "llvm/Support/raw_ostream.h"
#include "llvm/TableGen/Record.h"

namespace llvm {

class raw_ostream;

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 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), ClassPrefix(), 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

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