1 //=-- HexagonTargetMachine.h - Define TargetMachine for Hexagon ---*- 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 Hexagon specific subclass of TargetMachine. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H 14 #define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H 15 16 #include "HexagonInstrInfo.h" 17 #include "HexagonSubtarget.h" 18 #include "HexagonTargetObjectFile.h" 19 #include "llvm/Target/TargetMachine.h" 20 #include <optional> 21 22 namespace llvm { 23 24 class Module; 25 26 class HexagonTargetMachine : public LLVMTargetMachine { 27 std::unique_ptr<TargetLoweringObjectFile> TLOF; 28 mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap; 29 30 public: 31 HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 32 StringRef FS, const TargetOptions &Options, 33 std::optional<Reloc::Model> RM, 34 std::optional<CodeModel::Model> CM, CodeGenOpt::Level OL, 35 bool JIT); 36 ~HexagonTargetMachine() override; 37 const HexagonSubtarget *getSubtargetImpl(const Function &F) const override; 38 39 static unsigned getModuleMatchQuality(const Module &M); 40 41 void registerPassBuilderCallbacks(PassBuilder &PB) override; 42 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 43 TargetTransformInfo getTargetTransformInfo(const Function &F) const override; 44 45 HexagonTargetObjectFile *getObjFileLowering() const override { 46 return static_cast<HexagonTargetObjectFile*>(TLOF.get()); 47 } 48 49 MachineFunctionInfo * 50 createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, 51 const TargetSubtargetInfo *STI) const override; 52 }; 53 54 } // end namespace llvm 55 56 #endif 57