1 //===-- SPIRVSubtarget.h - SPIR-V Subtarget Information --------*- 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 SPIR-V specific subclass of TargetSubtargetInfo. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVSUBTARGET_H 14 #define LLVM_LIB_TARGET_SPIRV_SPIRVSUBTARGET_H 15 16 #include "SPIRVCallLowering.h" 17 #include "SPIRVFrameLowering.h" 18 #include "SPIRVISelLowering.h" 19 #include "SPIRVInstrInfo.h" 20 #include "llvm/CodeGen/GlobalISel/CallLowering.h" 21 #include "llvm/CodeGen/GlobalISel/InstructionSelector.h" 22 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h" 23 #include "llvm/CodeGen/SelectionDAGTargetInfo.h" 24 #include "llvm/CodeGen/TargetSubtargetInfo.h" 25 #include "llvm/IR/DataLayout.h" 26 #include "llvm/Target/TargetMachine.h" 27 28 #define GET_SUBTARGETINFO_HEADER 29 #include "SPIRVGenSubtargetInfo.inc" 30 31 namespace llvm { 32 class StringRef; 33 class SPIRVGlobalRegistry; 34 class SPIRVTargetMachine; 35 36 class SPIRVSubtarget : public SPIRVGenSubtargetInfo { 37 private: 38 const unsigned PointerSize; 39 uint32_t SPIRVVersion; 40 41 std::unique_ptr<SPIRVGlobalRegistry> GR; 42 43 SPIRVInstrInfo InstrInfo; 44 SPIRVFrameLowering FrameLowering; 45 SPIRVTargetLowering TLInfo; 46 47 // GlobalISel related APIs. 48 std::unique_ptr<CallLowering> CallLoweringInfo; 49 std::unique_ptr<RegisterBankInfo> RegBankInfo; 50 std::unique_ptr<LegalizerInfo> Legalizer; 51 std::unique_ptr<InstructionSelector> InstSelector; 52 53 public: 54 // This constructor initializes the data members to match that 55 // of the specified triple. 56 SPIRVSubtarget(const Triple &TT, const std::string &CPU, 57 const std::string &FS, const SPIRVTargetMachine &TM); 58 SPIRVSubtarget &initSubtargetDependencies(StringRef CPU, StringRef FS); 59 60 // Parses features string setting specified subtarget options. 61 // The definition of this function is auto generated by tblgen. 62 void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS); 63 unsigned getPointerSize() const { return PointerSize; } 64 bool canDirectlyComparePointers() const; 65 uint32_t getSPIRVVersion() const { return SPIRVVersion; }; 66 SPIRVGlobalRegistry *getSPIRVGlobalRegistry() const { return GR.get(); } 67 68 const CallLowering *getCallLowering() const override { 69 return CallLoweringInfo.get(); 70 } 71 const RegisterBankInfo *getRegBankInfo() const override { 72 return RegBankInfo.get(); 73 } 74 const LegalizerInfo *getLegalizerInfo() const override { 75 return Legalizer.get(); 76 } 77 InstructionSelector *getInstructionSelector() const override { 78 return InstSelector.get(); 79 } 80 const SPIRVInstrInfo *getInstrInfo() const override { return &InstrInfo; } 81 const SPIRVFrameLowering *getFrameLowering() const override { 82 return &FrameLowering; 83 } 84 const SPIRVTargetLowering *getTargetLowering() const override { 85 return &TLInfo; 86 } 87 const SPIRVRegisterInfo *getRegisterInfo() const override { 88 return &InstrInfo.getRegisterInfo(); 89 } 90 }; 91 } // namespace llvm 92 93 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVSUBTARGET_H 94