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 50
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