10b57cec5SDimitry Andric //=- SystemZTargetMachine.h - Define TargetMachine for SystemZ ----*- 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 SystemZ specific subclass of TargetMachine. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H 150b57cec5SDimitry Andric #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric #include "SystemZSubtarget.h" 180b57cec5SDimitry Andric #include "llvm/ADT/StringRef.h" 190b57cec5SDimitry Andric #include "llvm/Analysis/TargetTransformInfo.h" 200b57cec5SDimitry Andric #include "llvm/Support/CodeGen.h" 210b57cec5SDimitry Andric #include "llvm/Target/TargetMachine.h" 220b57cec5SDimitry Andric #include <memory> 23bdd1243dSDimitry Andric #include <optional> 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric namespace llvm { 260b57cec5SDimitry Andric 270b57cec5SDimitry Andric class SystemZTargetMachine : public LLVMTargetMachine { 280b57cec5SDimitry Andric std::unique_ptr<TargetLoweringObjectFile> TLOF; 295ffd83dbSDimitry Andric 305ffd83dbSDimitry Andric mutable StringMap<std::unique_ptr<SystemZSubtarget>> SubtargetMap; 310b57cec5SDimitry Andric 320b57cec5SDimitry Andric public: 330b57cec5SDimitry Andric SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 340b57cec5SDimitry Andric StringRef FS, const TargetOptions &Options, 35bdd1243dSDimitry Andric std::optional<Reloc::Model> RM, 36*5f757f3fSDimitry Andric std::optional<CodeModel::Model> CM, CodeGenOptLevel OL, 37bdd1243dSDimitry Andric bool JIT); 380b57cec5SDimitry Andric ~SystemZTargetMachine() override; 390b57cec5SDimitry Andric 405ffd83dbSDimitry Andric const SystemZSubtarget *getSubtargetImpl(const Function &) const override; 415ffd83dbSDimitry Andric // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget, 425ffd83dbSDimitry Andric // subtargets are per-function entities based on the target-specific 435ffd83dbSDimitry Andric // attributes of each function. 445ffd83dbSDimitry Andric const SystemZSubtarget *getSubtargetImpl() const = delete; 450b57cec5SDimitry Andric 460b57cec5SDimitry Andric // Override LLVMTargetMachine 470b57cec5SDimitry Andric TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 4881ad6265SDimitry Andric TargetTransformInfo getTargetTransformInfo(const Function &F) const override; 490b57cec5SDimitry Andric getObjFileLowering()500b57cec5SDimitry Andric TargetLoweringObjectFile *getObjFileLowering() const override { 510b57cec5SDimitry Andric return TLOF.get(); 520b57cec5SDimitry Andric } 530b57cec5SDimitry Andric 54bdd1243dSDimitry Andric MachineFunctionInfo * 55bdd1243dSDimitry Andric createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, 56bdd1243dSDimitry Andric const TargetSubtargetInfo *STI) const override; 57bdd1243dSDimitry Andric targetSchedulesPostRAScheduling()580b57cec5SDimitry Andric bool targetSchedulesPostRAScheduling() const override { return true; }; 590b57cec5SDimitry Andric }; 600b57cec5SDimitry Andric 610b57cec5SDimitry Andric } // end namespace llvm 620b57cec5SDimitry Andric 630b57cec5SDimitry Andric #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H 64