| //===-- llvm/CodeGen/TargetOpcodes.h - Target Indep Opcodes -----*- 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 the target independent instruction opcodes. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_TARGETOPCODES_H |
| #define LLVM_CODEGEN_TARGETOPCODES_H |
| |
| namespace llvm { |
| |
| /// Invariant opcodes: All instruction sets have these as their low opcodes. |
| /// |
| namespace TargetOpcode { |
| enum { |
| #define HANDLE_TARGET_OPCODE(OPC) OPC, |
| #define HANDLE_TARGET_OPCODE_MARKER(IDENT, OPC) IDENT = OPC, |
| #include "llvm/Support/TargetOpcodes.def" |
| }; |
| } // end namespace TargetOpcode |
| |
| /// Check whether the given Opcode is a generic opcode that is not supposed |
| /// to appear after ISel. |
| inline bool isPreISelGenericOpcode(unsigned Opcode) { |
| return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_START && |
| Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END; |
| } |
| |
| /// Check whether the given Opcode is a target-specific opcode. |
| inline bool isTargetSpecificOpcode(unsigned Opcode) { |
| return Opcode > TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END; |
| } |
| |
| /// \returns true if \p Opcode is an optimization hint opcode which is not |
| /// supposed to appear after ISel. |
| inline bool isPreISelGenericOptimizationHint(unsigned Opcode) { |
| return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPTIMIZATION_HINT_START && |
| Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPTIMIZATION_HINT_END; |
| } |
| |
| } // end namespace llvm |
| |
| #endif |
