include/llvm/CodeGen/TargetOpcodes.h

   1 //===-- llvm/CodeGen/TargetOpcodes.h - Target Indep Opcodes -----*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines the target independent instruction opcodes.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_CODEGEN_TARGETOPCODES_H
  14 #define LLVM_CODEGEN_TARGETOPCODES_H
  15
  16 namespace llvm {
  17
  18 /// Invariant opcodes: All instruction sets have these as their low opcodes.
  19 ///
  20 namespace TargetOpcode {
  21 enum {
  22 #define HANDLE_TARGET_OPCODE(OPC) OPC,
  23 #define HANDLE_TARGET_OPCODE_MARKER(IDENT, OPC) IDENT = OPC,
  24 #include "llvm/Support/TargetOpcodes.def"
  25 };
  26 } // end namespace TargetOpcode
  27
  28 /// Check whether the given Opcode is a generic opcode that is not supposed
  29 /// to appear after ISel.
  30 inline bool isPreISelGenericOpcode(unsigned Opcode) {
  31   return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_START &&
  32          Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
  33 }
  34
  35 /// Check whether the given Opcode is a target-specific opcode.
  36 inline bool isTargetSpecificOpcode(unsigned Opcode) {
  37   return Opcode > TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
  38 }
  39 } // end namespace llvm
  40
  41 #endif