| //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the X86 specific subclass of TargetMachine. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H |
| #define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H |
| |
| #include "X86Subtarget.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/StringMap.h" |
| #include "llvm/Support/CodeGen.h" |
| #include "llvm/Target/TargetMachine.h" |
| #include <memory> |
| |
| namespace llvm { |
| |
| class StringRef; |
| class TargetTransformInfo; |
| |
| class X86TargetMachine final : public LLVMTargetMachine { |
| std::unique_ptr<TargetLoweringObjectFile> TLOF; |
| mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap; |
| // True if this is used in JIT. |
| bool IsJIT; |
| |
| public: |
| X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
| StringRef FS, const TargetOptions &Options, |
| Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
| CodeGenOpt::Level OL, bool JIT); |
| ~X86TargetMachine() override; |
| |
| const X86Subtarget *getSubtargetImpl(const Function &F) const override; |
| // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget, |
| // subtargets are per-function entities based on the target-specific |
| // attributes of each function. |
| const X86Subtarget *getSubtargetImpl() const = delete; |
| |
| TargetTransformInfo getTargetTransformInfo(const Function &F) override; |
| |
| // Set up the pass pipeline. |
| TargetPassConfig *createPassConfig(PassManagerBase &PM) override; |
| |
| TargetLoweringObjectFile *getObjFileLowering() const override { |
| return TLOF.get(); |
| } |
| |
| bool isJIT() const { return IsJIT; } |
| |
| bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override; |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H |