1*0b57cec5SDimitry Andric //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // This file declares the X86 specific subclass of TargetMachine. 10*0b57cec5SDimitry Andric // 11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 14*0b57cec5SDimitry Andric #define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 15*0b57cec5SDimitry Andric 16*0b57cec5SDimitry Andric #include "X86Subtarget.h" 17*0b57cec5SDimitry Andric #include "llvm/ADT/Optional.h" 18*0b57cec5SDimitry Andric #include "llvm/ADT/StringMap.h" 19*0b57cec5SDimitry Andric #include "llvm/Analysis/TargetTransformInfo.h" 20*0b57cec5SDimitry Andric #include "llvm/Support/CodeGen.h" 21*0b57cec5SDimitry Andric #include "llvm/Target/TargetMachine.h" 22*0b57cec5SDimitry Andric #include <memory> 23*0b57cec5SDimitry Andric 24*0b57cec5SDimitry Andric namespace llvm { 25*0b57cec5SDimitry Andric 26*0b57cec5SDimitry Andric class StringRef; 27*0b57cec5SDimitry Andric class X86Subtarget; 28*0b57cec5SDimitry Andric class X86RegisterBankInfo; 29*0b57cec5SDimitry Andric 30*0b57cec5SDimitry Andric class X86TargetMachine final : public LLVMTargetMachine { 31*0b57cec5SDimitry Andric std::unique_ptr<TargetLoweringObjectFile> TLOF; 32*0b57cec5SDimitry Andric mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap; 33*0b57cec5SDimitry Andric 34*0b57cec5SDimitry Andric public: 35*0b57cec5SDimitry Andric X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU, 36*0b57cec5SDimitry Andric StringRef FS, const TargetOptions &Options, 37*0b57cec5SDimitry Andric Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, 38*0b57cec5SDimitry Andric CodeGenOpt::Level OL, bool JIT); 39*0b57cec5SDimitry Andric ~X86TargetMachine() override; 40*0b57cec5SDimitry Andric 41*0b57cec5SDimitry Andric const X86Subtarget *getSubtargetImpl(const Function &F) const override; 42*0b57cec5SDimitry Andric // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget, 43*0b57cec5SDimitry Andric // subtargets are per-function entities based on the target-specific 44*0b57cec5SDimitry Andric // attributes of each function. 45*0b57cec5SDimitry Andric const X86Subtarget *getSubtargetImpl() const = delete; 46*0b57cec5SDimitry Andric 47*0b57cec5SDimitry Andric TargetTransformInfo getTargetTransformInfo(const Function &F) override; 48*0b57cec5SDimitry Andric 49*0b57cec5SDimitry Andric // Set up the pass pipeline. 50*0b57cec5SDimitry Andric TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 51*0b57cec5SDimitry Andric 52*0b57cec5SDimitry Andric TargetLoweringObjectFile *getObjFileLowering() const override { 53*0b57cec5SDimitry Andric return TLOF.get(); 54*0b57cec5SDimitry Andric } 55*0b57cec5SDimitry Andric }; 56*0b57cec5SDimitry Andric 57*0b57cec5SDimitry Andric } // end namespace llvm 58*0b57cec5SDimitry Andric 59*0b57cec5SDimitry Andric #endif // LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 60