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
16namespace llvm {
17
18/// Invariant opcodes: All instruction sets have these as their low opcodes.
19///
20namespace TargetOpcode {
21enum {
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.
30inline 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.
36inline bool isTargetSpecificOpcode(unsigned Opcode) {
37 return Opcode > TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
38}
39
40/// \returns true if \p Opcode is an optimization hint opcode which is not
41/// supposed to appear after ISel.
42inline bool isPreISelGenericOptimizationHint(unsigned Opcode) {
43 return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPTIMIZATION_HINT_START &&
44 Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPTIMIZATION_HINT_END;
45}
46
47} // end namespace llvm
48
49#endif
50