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 HexagonTargetMachine : public LLVMTargetMachine { 25 std::unique_ptr<TargetLoweringObjectFile> TLOF; 26 mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap; 27 28 public: 29 HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 30 StringRef FS, const TargetOptions &Options, 31 std::optional<Reloc::Model> RM, 32 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL, 33 bool JIT); 34 ~HexagonTargetMachine() override; 35 const HexagonSubtarget *getSubtargetImpl(const Function &F) const override; 36 37 void registerPassBuilderCallbacks(PassBuilder &PB, 38 bool PopulateClassToPassNames) override; 39 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 40 TargetTransformInfo getTargetTransformInfo(const Function &F) const override; 41 42 HexagonTargetObjectFile *getObjFileLowering() const override { 43 return static_cast<HexagonTargetObjectFile*>(TLOF.get()); 44 } 45 46 MachineFunctionInfo * 47 createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, 48 const TargetSubtargetInfo *STI) const override; 49 }; 50 51 } // end namespace llvm 52 53 #endif 54