10b57cec5SDimitry Andric //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file declares the X86 specific subclass of TargetMachine. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "X86Subtarget.h" 170b57cec5SDimitry Andric #include "llvm/ADT/Optional.h" 180b57cec5SDimitry Andric #include "llvm/ADT/StringMap.h" 190b57cec5SDimitry Andric #include "llvm/Support/CodeGen.h" 200b57cec5SDimitry Andric #include "llvm/Target/TargetMachine.h" 210b57cec5SDimitry Andric #include <memory> 220b57cec5SDimitry Andric 230b57cec5SDimitry Andric namespace llvm { 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric class StringRef; 260b57cec5SDimitry Andric class X86Subtarget; 270b57cec5SDimitry Andric class X86RegisterBankInfo; 288bcb0991SDimitry Andric class TargetTransformInfo; 290b57cec5SDimitry Andric 300b57cec5SDimitry Andric class X86TargetMachine final : public LLVMTargetMachine { 310b57cec5SDimitry Andric std::unique_ptr<TargetLoweringObjectFile> TLOF; 320b57cec5SDimitry Andric mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap; 33*d65cd7a5SDimitry Andric // True if this is used in JIT. 34*d65cd7a5SDimitry Andric bool IsJIT; 350b57cec5SDimitry Andric 360b57cec5SDimitry Andric public: 370b57cec5SDimitry Andric X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU, 380b57cec5SDimitry Andric StringRef FS, const TargetOptions &Options, 390b57cec5SDimitry Andric Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, 400b57cec5SDimitry Andric CodeGenOpt::Level OL, bool JIT); 410b57cec5SDimitry Andric ~X86TargetMachine() override; 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric const X86Subtarget *getSubtargetImpl(const Function &F) const override; 440b57cec5SDimitry Andric // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget, 450b57cec5SDimitry Andric // subtargets are per-function entities based on the target-specific 460b57cec5SDimitry Andric // attributes of each function. 470b57cec5SDimitry Andric const X86Subtarget *getSubtargetImpl() const = delete; 480b57cec5SDimitry Andric 490b57cec5SDimitry Andric TargetTransformInfo getTargetTransformInfo(const Function &F) override; 500b57cec5SDimitry Andric 510b57cec5SDimitry Andric // Set up the pass pipeline. 520b57cec5SDimitry Andric TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 530b57cec5SDimitry Andric 540b57cec5SDimitry Andric TargetLoweringObjectFile *getObjFileLowering() const override { 550b57cec5SDimitry Andric return TLOF.get(); 560b57cec5SDimitry Andric } 57*d65cd7a5SDimitry Andric 58*d65cd7a5SDimitry Andric bool isJIT() const { return IsJIT; } 590b57cec5SDimitry Andric }; 600b57cec5SDimitry Andric 610b57cec5SDimitry Andric } // end namespace llvm 620b57cec5SDimitry Andric 630b57cec5SDimitry Andric #endif // LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 64