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📄 AsmMatcherEmitter.cpp(149.98 KB)
📄 AsmWriterEmitter.cpp(46.29 KB)
📄 AsmWriterInst.cpp(7.57 KB)
📄 AsmWriterInst.h(3.83 KB)
📄 Attributes.cpp(3.12 KB)
📄 CTagsEmitter.cpp(2.52 KB)
📄 CallingConvEmitter.cpp(11.74 KB)
📄 CodeEmitterGen.cpp(22.5 KB)
📄 CodeGenDAGPatterns.cpp(168.72 KB)
📄 CodeGenDAGPatterns.h(47.85 KB)
📄 CodeGenHwModes.cpp(3.45 KB)
📄 CodeGenHwModes.h(1.84 KB)
📄 CodeGenInstruction.cpp(30.97 KB)
📄 CodeGenInstruction.h(13.7 KB)
📄 CodeGenIntrinsics.h(6.6 KB)
📄 CodeGenMapTable.cpp(23.38 KB)
📄 CodeGenRegisters.cpp(90.68 KB)
📄 CodeGenRegisters.h(29.9 KB)
📄 CodeGenSchedule.cpp(84.92 KB)
📄 CodeGenSchedule.h(23.14 KB)
📄 CodeGenTarget.cpp(32.63 KB)
📄 CodeGenTarget.h(7.22 KB)
📄 DAGISelEmitter.cpp(6.92 KB)
📄 DAGISelMatcher.cpp(13.53 KB)
📄 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)
📄 DFAEmitter.h(3.96 KB)
📄 DFAPacketizerEmitter.cpp(13.02 KB)
📄 DirectiveEmitter.cpp(20.15 KB)
📄 DisassemblerEmitter.cpp(7.02 KB)
📄 ExegesisEmitter.cpp(7.39 KB)
📄 FastISelEmitter.cpp(30.83 KB)
📄 FixedLenDecoderEmitter.cpp(90.04 KB)
📄 GICombinerEmitter.cpp(40.12 KB)
📁 GlobalISel
📄 GlobalISelEmitter.cpp(215.56 KB)
📄 InfoByHwMode.cpp(6.69 KB)
📄 InfoByHwMode.h(5.74 KB)
📄 InstrDocsEmitter.cpp(7.05 KB)
📄 InstrInfoEmitter.cpp(31.52 KB)
📄 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)
📄 X86DisassemblerShared.h(1.88 KB)
📄 X86DisassemblerTables.cpp(42.64 KB)
📄 X86DisassemblerTables.h(11.7 KB)
📄 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: CodeGenIntrinsics.h

//===- CodeGenIntrinsic.h - Intrinsic Class Wrapper ------------*- C++ -*--===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file defines a wrapper class for the 'Intrinsic' TableGen class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_UTILS_TABLEGEN_CODEGENINTRINSICS_H
#define LLVM_UTILS_TABLEGEN_CODEGENINTRINSICS_H

#include "SDNodeProperties.h"
#include "llvm/Support/MachineValueType.h"
#include <string>
#include <vector>

namespace llvm {
class Record;
class RecordKeeper;
class CodeGenTarget;

struct CodeGenIntrinsic {
  Record *TheDef;             // The actual record defining this intrinsic.
  std::string Name;           // The name of the LLVM function "llvm.bswap.i32"
  std::string EnumName;       // The name of the enum "bswap_i32"
  std::string GCCBuiltinName; // Name of the corresponding GCC builtin, or "".
  std::string MSBuiltinName;  // Name of the corresponding MS builtin, or "".
  std::string TargetPrefix;   // Target prefix, e.g. "ppc" for t-s intrinsics.

/// This structure holds the return values and parameter values of an
  /// intrinsic. If the number of return values is > 1, then the intrinsic
  /// implicitly returns a first-class aggregate. The numbering of the types
  /// starts at 0 with the first return value and continues from there through
  /// the parameter list. This is useful for "matching" types.
  struct IntrinsicSignature {
    /// The MVT::SimpleValueType for each return type. Note that this list is
    /// only populated when in the context of a target .td file. When building
    /// Intrinsics.td, this isn't available, because we don't know the target
    /// pointer size.
    std::vector<MVT::SimpleValueType> RetVTs;

/// The records for each return type.
    std::vector<Record *> RetTypeDefs;

/// The MVT::SimpleValueType for each parameter type. Note that this list is
    /// only populated when in the context of a target .td file.  When building
    /// Intrinsics.td, this isn't available, because we don't know the target
    /// pointer size.
    std::vector<MVT::SimpleValueType> ParamVTs;

/// The records for each parameter type.
    std::vector<Record *> ParamTypeDefs;
  };

IntrinsicSignature IS;

/// Bit flags describing the type (ref/mod) and location of memory
  /// accesses that may be performed by the intrinsics. Analogous to
  /// \c FunctionModRefBehaviour.
  enum ModRefBits {
    /// The intrinsic may access memory that is otherwise inaccessible via
    /// LLVM IR.
    MR_InaccessibleMem = 1,

/// The intrinsic may access memory through pointer arguments.
    /// LLVM IR.
    MR_ArgMem = 2,

/// The intrinsic may access memory anywhere, i.e. it is not restricted
    /// to access through pointer arguments.
    MR_Anywhere = 4 | MR_ArgMem | MR_InaccessibleMem,

/// The intrinsic may read memory.
    MR_Ref = 8,

/// The intrinsic may write memory.
    MR_Mod = 16,

/// The intrinsic may both read and write memory.
    MR_ModRef = MR_Ref | MR_Mod,
  };

/// Memory mod/ref behavior of this intrinsic, corresponding to intrinsic
  /// properties (IntrReadMem, IntrArgMemOnly, etc.).
  enum ModRefBehavior {
    NoMem = 0,
    ReadArgMem = MR_Ref | MR_ArgMem,
    ReadInaccessibleMem = MR_Ref | MR_InaccessibleMem,
    ReadInaccessibleMemOrArgMem = MR_Ref | MR_ArgMem | MR_InaccessibleMem,
    ReadMem = MR_Ref | MR_Anywhere,
    WriteArgMem = MR_Mod | MR_ArgMem,
    WriteInaccessibleMem = MR_Mod | MR_InaccessibleMem,
    WriteInaccessibleMemOrArgMem = MR_Mod | MR_ArgMem | MR_InaccessibleMem,
    WriteMem = MR_Mod | MR_Anywhere,
    ReadWriteArgMem = MR_ModRef | MR_ArgMem,
    ReadWriteInaccessibleMem = MR_ModRef | MR_InaccessibleMem,
    ReadWriteInaccessibleMemOrArgMem = MR_ModRef | MR_ArgMem |
                                       MR_InaccessibleMem,
    ReadWriteMem = MR_ModRef | MR_Anywhere,
  };
  ModRefBehavior ModRef;

/// SDPatternOperator Properties applied to the intrinsic.
  unsigned Properties;

/// This is set to true if the intrinsic is overloaded by its argument
  /// types.
  bool isOverloaded;

/// True if the intrinsic is commutative.
  bool isCommutative;

/// True if the intrinsic can throw.
  bool canThrow;

/// True if the intrinsic is marked as noduplicate.
  bool isNoDuplicate;

/// True if the intrinsic is no-return.
  bool isNoReturn;

/// True if the intrinsic is no-sync.
  bool isNoSync;

/// True if the intrinsic is no-free.
  bool isNoFree;

/// True if the intrinsic is will-return.
  bool isWillReturn;

/// True if the intrinsic is cold.
  bool isCold;

/// True if the intrinsic is marked as convergent.
  bool isConvergent;

/// True if the intrinsic has side effects that aren't captured by any
  /// of the other flags.
  bool hasSideEffects;

// True if the intrinsic is marked as speculatable.
  bool isSpeculatable;

enum ArgAttrKind {
    NoCapture,
    NoAlias,
    Returned,
    ReadOnly,
    WriteOnly,
    ReadNone,
    ImmArg,
    Alignment
  };

struct ArgAttribute {
    unsigned Index;
    ArgAttrKind Kind;
    uint64_t Value;

ArgAttribute(unsigned Idx, ArgAttrKind K, uint64_t V)
        : Index(Idx), Kind(K), Value(V) {}

bool operator<(const ArgAttribute &Other) const {
      return std::tie(Index, Kind, Value) <
             std::tie(Other.Index, Other.Kind, Other.Value);
    }
  };

std::vector<ArgAttribute> ArgumentAttributes;

bool hasProperty(enum SDNP Prop) const {
    return Properties & (1 << Prop);
  }

/// Returns true if the parameter at \p ParamIdx is a pointer type. Returns
  /// false if the parameter is not a pointer, or \p ParamIdx is greater than
  /// the size of \p IS.ParamVTs.
  ///
  /// Note that this requires that \p IS.ParamVTs is available.
  bool isParamAPointer(unsigned ParamIdx) const;

bool isParamImmArg(unsigned ParamIdx) const;

CodeGenIntrinsic(Record *R);
};

class CodeGenIntrinsicTable {
  std::vector<CodeGenIntrinsic> Intrinsics;

public:
  struct TargetSet {
    std::string Name;
    size_t Offset;
    size_t Count;
  };
  std::vector<TargetSet> Targets;

explicit CodeGenIntrinsicTable(const RecordKeeper &RC);
  CodeGenIntrinsicTable() = default;

bool empty() const { return Intrinsics.empty(); }
  size_t size() const { return Intrinsics.size(); }
  CodeGenIntrinsic &operator[](size_t Pos) { return Intrinsics[Pos]; }
  const CodeGenIntrinsic &operator[](size_t Pos) const {
    return Intrinsics[Pos];
  }
};
}

#endif

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