LLVM  10.0.0svn
TargetOpcodes.h
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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
This class represents lattice values for constants.
Definition: AllocatorList.h:23
bool isTargetSpecificOpcode(unsigned Opcode)
Check whether the given Opcode is a target-specific opcode.
Definition: TargetOpcodes.h:36
bool isPreISelGenericOpcode(unsigned Opcode)
Check whether the given Opcode is a generic opcode that is not supposed to appear after ISel...
Definition: TargetOpcodes.h:30