1 //===-- LanaiTargetMachine.h - Define TargetMachine for Lanai --- 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 Lanai specific subclass of TargetMachine.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_LANAI_LANAITARGETMACHINE_H
14 #define LLVM_LIB_TARGET_LANAI_LANAITARGETMACHINE_H
15 
16 #include "LanaiISelLowering.h"
17 #include "LanaiInstrInfo.h"
18 #include "LanaiSelectionDAGInfo.h"
19 #include "LanaiSubtarget.h"
20 #include "llvm/Target/TargetMachine.h"
21 #include <optional>
22 
23 namespace llvm {
24 
25 class LanaiTargetMachine : public LLVMTargetMachine {
26   LanaiSubtarget Subtarget;
27   std::unique_ptr<TargetLoweringObjectFile> TLOF;
28 
29 public:
30   LanaiTargetMachine(const Target &TheTarget, const Triple &TargetTriple,
31                      StringRef Cpu, StringRef FeatureString,
32                      const TargetOptions &Options,
33                      std::optional<Reloc::Model> RM,
34                      std::optional<CodeModel::Model> CodeModel,
35                      CodeGenOpt::Level OptLevel, bool JIT);
36 
37   const LanaiSubtarget *
38   getSubtargetImpl(const llvm::Function & /*Fn*/) const override {
39     return &Subtarget;
40   }
41 
42   TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
43 
44   // Pass Pipeline Configuration
45   TargetPassConfig *createPassConfig(PassManagerBase &pass_manager) override;
46 
47   TargetLoweringObjectFile *getObjFileLowering() const override {
48     return TLOF.get();
49   }
50 
51   MachineFunctionInfo *
52   createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
53                             const TargetSubtargetInfo *STI) const override;
54 
55   bool isMachineVerifierClean() const override {
56     return false;
57   }
58 };
59 } // namespace llvm
60 
61 #endif // LLVM_LIB_TARGET_LANAI_LANAITARGETMACHINE_H
62