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| Rev | Author | Line No. | Line | 
|---|---|---|---|
| 14 | pmbaty | 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 | |||
| 40 | /// \returns true if \p Opcode is an optimization hint opcode which is not | ||
| 41 | /// supposed to appear after ISel. | ||
| 42 | inline 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 |