1//===- SPIRVLegalizerInfo.h --- SPIR-V Legalization Rules --------*- 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 declares the targeting of the MachineLegalizer class for SPIR-V. 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H 14#define LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H 15 16#include "SPIRVGlobalRegistry.h" 17#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h" 18 19bool isTypeFoldingSupported(unsigned Opcode); 20 21namespace llvm { 22 23class LLVMContext; 24class SPIRVSubtarget; 25 26// This class provides the information for legalizing SPIR-V instructions. 27class SPIRVLegalizerInfo : public LegalizerInfo { 28 const SPIRVSubtarget *ST; 29 SPIRVGlobalRegistry *GR; 30 31public: 32 bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI, 33 LostDebugLocObserver &LocObserver) const override; 34 SPIRVLegalizerInfo(const SPIRVSubtarget &ST); 35}; 36} // namespace llvm 37#endif // LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H 38