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This patch is intend to implement the missing P8 MacroFusion for LLVM according to Power8 User's Manual Section 10.1.12 Instruction Fusion Differential Revision: https://reviews.llvm.org/D70651
23 lines
886 B
C++
23 lines
886 B
C++
//===- PPCMacroFusion.h - PowerPC Macro Fusion ----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file This file contains the PowerPC definition of the DAG scheduling
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/// mutation to pair instructions back to back.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineScheduler.h"
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namespace llvm {
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/// Note that you have to add:
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/// DAG.addMutation(createPowerPCMacroFusionDAGMutation());
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/// to PPCPassConfig::createMachineScheduler() to have an effect.
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std::unique_ptr<ScheduleDAGMutation> createPowerPCMacroFusionDAGMutation();
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} // llvm
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