llvm/lib/Target/AMDGPU/AMDGPUCombinerHelper.h

   1 //=== lib/CodeGen/GlobalISel/AMDGPUCombinerHelper.h -------------*- 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 /// \file
  10 /// This contains common combine transformations that may be used in a combine
  11 /// pass.
  12 ///
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUCOMBINERHELPER_H
  16 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUCOMBINERHELPER_H
  17
  18 #include "llvm/CodeGen/GlobalISel/Combiner.h"
  19 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
  20
  21 using namespace llvm;
  22
  23 class AMDGPUCombinerHelper : public CombinerHelper {
  24 public:
  25   using CombinerHelper::CombinerHelper;
  26
  27   bool matchFoldableFneg(MachineInstr &MI, MachineInstr *&MatchInfo);
  28   void applyFoldableFneg(MachineInstr &MI, MachineInstr *&MatchInfo);
  29
  30   bool matchExpandPromotedF16FMed3(MachineInstr &MI, Register Src0,
  31                                    Register Src1, Register Src2);
  32   void applyExpandPromotedF16FMed3(MachineInstr &MI, Register Src0,
  33                                    Register Src1, Register Src2);
  34 };
  35
  36 #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUCOMBINERHELPER_H