| 1 | //=- LoongArchTargetMachine.h - Define TargetMachine for LoongArch -*- 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-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | // |
|---|
| 9 | // This file declares the LoongArch specific subclass of TargetMachine. |
|---|
| 10 | // |
|---|
| 11 | //===----------------------------------------------------------------------===// |
|---|
| 12 | |
|---|
| 13 | #ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H |
|---|
| 14 | #define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H |
|---|
| 15 | |
|---|
| 16 | #include "LoongArchSubtarget.h" |
|---|
| 17 | #include "llvm/Target/TargetMachine.h" |
|---|
| 18 | #include <optional> |
|---|
| 19 | |
|---|
| 20 | namespace llvm { |
|---|
| 21 | |
|---|
| 22 | class LoongArchTargetMachine : public LLVMTargetMachine { |
|---|
| 23 | std::unique_ptr<TargetLoweringObjectFile> TLOF; |
|---|
| 24 | mutable StringMap<std::unique_ptr<LoongArchSubtarget>> SubtargetMap; |
|---|
| 25 | |
|---|
| 26 | public: |
|---|
| 27 | LoongArchTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
|---|
| 28 | StringRef FS, const TargetOptions &Options, |
|---|
| 29 | std::optional<Reloc::Model> RM, |
|---|
| 30 | std::optional<CodeModel::Model> CM, CodeGenOptLevel OL, |
|---|
| 31 | bool JIT); |
|---|
| 32 | ~LoongArchTargetMachine() override; |
|---|
| 33 | |
|---|
| 34 | TargetTransformInfo getTargetTransformInfo(const Function &F) const override; |
|---|
| 35 | const LoongArchSubtarget *getSubtargetImpl(const Function &F) const override; |
|---|
| 36 | const LoongArchSubtarget *getSubtargetImpl() const = delete; |
|---|
| 37 | |
|---|
| 38 | // Pass Pipeline Configuration |
|---|
| 39 | TargetPassConfig *createPassConfig(PassManagerBase &PM) override; |
|---|
| 40 | |
|---|
| 41 | TargetLoweringObjectFile *getObjFileLowering() const override { |
|---|
| 42 | return TLOF.get(); |
|---|
| 43 | } |
|---|
| 44 | |
|---|
| 45 | MachineFunctionInfo * |
|---|
| 46 | createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, |
|---|
| 47 | const TargetSubtargetInfo *STI) const override; |
|---|
| 48 | |
|---|
| 49 | // Addrspacecasts are always noops. |
|---|
| 50 | bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override { |
|---|
| 51 | return true; |
|---|
| 52 | } |
|---|
| 53 | }; |
|---|
| 54 | |
|---|
| 55 | } // end namespace llvm |
|---|
| 56 | |
|---|
| 57 | #endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H |
|---|
| 58 | |
|---|
