1 //===-- SPIRVTargetMachine.h - Define TargetMachine for SPIR-V -*- 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 SPIR-V specific subclass of TargetMachine.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVTARGETMACHINE_H
14 #define LLVM_LIB_TARGET_SPIRV_SPIRVTARGETMACHINE_H
15 
16 #include "SPIRVSubtarget.h"
17 #include "llvm/Target/TargetMachine.h"
18 
19 namespace llvm {
20 class SPIRVTargetMachine : public LLVMTargetMachine {
21   std::unique_ptr<TargetLoweringObjectFile> TLOF;
22   SPIRVSubtarget Subtarget;
23 
24 public:
25   SPIRVTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
26                      StringRef FS, const TargetOptions &Options,
27                      Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
28                      CodeGenOpt::Level OL, bool JIT);
29 
30   const SPIRVSubtarget *getSubtargetImpl() const { return &Subtarget; }
31 
32   const SPIRVSubtarget *getSubtargetImpl(const Function &) const override {
33     return &Subtarget;
34   }
35 
36   TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
37 
38   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
39   bool usesPhysRegsForValues() const override { return false; }
40 
41   TargetLoweringObjectFile *getObjFileLowering() const override {
42     return TLOF.get();
43   }
44 };
45 } // namespace llvm
46 
47 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVTARGETMACHINE_H
48