1 //===- RISCVMacroFusion.h - RISCV Macro Fusion ----------------------------===// 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 /// \file This file contains the RISCV definition of the DAG scheduling mutation 10 /// to pair instructions back to back. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_RISCV_RISCVMACROFUSION_H 15 #define LLVM_LIB_TARGET_RISCV_RISCVMACROFUSION_H 16 17 #include "llvm/CodeGen/MachineScheduler.h" 18 19 namespace llvm { 20 21 /// Note that you have to add: 22 /// DAG.addMutation(createRISCVMacroFusionDAGMutation()); 23 /// to RISCVPassConfig::createMachineScheduler() to have an effect. 24 std::unique_ptr<ScheduleDAGMutation> createRISCVMacroFusionDAGMutation(); 25 26 } // namespace llvm 27 28 #endif 29