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1//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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-exception6//7//===----------------------------------------------------------------------===//8//9// This file declares the X86 specific subclass of TargetMachine.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H14#define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H15 16#include "X86Subtarget.h"17#include "llvm/ADT/StringMap.h"18#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"19#include "llvm/Support/CodeGen.h"20#include <memory>21#include <optional>22 23namespace llvm {24 25class StringRef;26class TargetTransformInfo;27 28class X86TargetMachine final : public CodeGenTargetMachineImpl {29 std::unique_ptr<TargetLoweringObjectFile> TLOF;30 mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;31 // True if this is used in JIT.32 bool IsJIT;33 34 /// Reset internal state.35 void reset() override;36 37public:38 X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU,39 StringRef FS, const TargetOptions &Options,40 std::optional<Reloc::Model> RM,41 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,42 bool JIT);43 ~X86TargetMachine() override;44 45 const X86Subtarget *getSubtargetImpl(const Function &F) const override;46 // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,47 // subtargets are per-function entities based on the target-specific48 // attributes of each function.49 const X86Subtarget *getSubtargetImpl() const = delete;50 51 TargetTransformInfo getTargetTransformInfo(const Function &F) const override;52 53 // Set up the pass pipeline.54 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;55 56 TargetLoweringObjectFile *getObjFileLowering() const override {57 return TLOF.get();58 }59 60 MachineFunctionInfo *61 createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,62 const TargetSubtargetInfo *STI) const override;63 64 yaml::MachineFunctionInfo *createDefaultFuncInfoYAML() const override;65 yaml::MachineFunctionInfo *66 convertFuncInfoToYAML(const MachineFunction &MF) const override;67 bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &,68 PerFunctionMIParsingState &PFS,69 SMDiagnostic &Error,70 SMRange &SourceRange) const override;71 72 void registerPassBuilderCallbacks(PassBuilder &PB) override;73 74 Error buildCodeGenPipeline(ModulePassManager &, raw_pwrite_stream &,75 raw_pwrite_stream *, CodeGenFileType,76 const CGPassBuilderOption &,77 PassInstrumentationCallbacks *) override;78 79 bool isJIT() const { return IsJIT; }80 81 bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override;82 ScheduleDAGInstrs *83 createMachineScheduler(MachineSchedContext *C) const override;84 ScheduleDAGInstrs *85 createPostMachineScheduler(MachineSchedContext *C) const override;86};87 88} // end namespace llvm89 90#endif // LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H91