llvm/lib/Target/AMDGPU/AMDGPUMacroFusion.h
Matt Arsenault 8763b3ac42 AMDGPU: Add macro fusion schedule DAG mutation
Try to increase opportunities to shrink vcc uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307313 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-06 20:57:05 +00:00

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//===- AMDGPUMacroFusion.h - AMDGPU Macro Fusion ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineScheduler.h"
namespace llvm {
/// Note that you have to add:
/// DAG.addMutation(createAMDGPUMacroFusionDAGMutation());
/// to AMDGPUPassConfig::createMachineScheduler() to have an effect.
std::unique_ptr<ScheduleDAGMutation> createAMDGPUMacroFusionDAGMutation();
} // llvm