1 //===-- AMDGPUTargetMachine.h - AMDGPU TargetMachine Interface --*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 /// \file
11 /// \brief The AMDGPU TargetMachine interface definition for hw codgen targets.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
16 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
17 
18 #include "AMDGPUIntrinsicInfo.h"
19 #include "AMDGPUSubtarget.h"
20 
21 namespace llvm {
22 
23 //===----------------------------------------------------------------------===//
24 // AMDGPU Target Machine (R600+)
25 //===----------------------------------------------------------------------===//
26 
27 class AMDGPUTargetMachine : public LLVMTargetMachine {
28 protected:
29   std::unique_ptr<TargetLoweringObjectFile> TLOF;
30   AMDGPUIntrinsicInfo IntrinsicInfo;
31 
32   StringRef getGPUName(const Function &F) const;
33   StringRef getFeatureString(const Function &F) const;
34 
35 public:
36   AMDGPUTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
37                       StringRef FS, TargetOptions Options,
38                       Optional<Reloc::Model> RM, CodeModel::Model CM,
39                       CodeGenOpt::Level OL);
40   ~AMDGPUTargetMachine();
41 
42   const AMDGPUSubtarget *getSubtargetImpl() const;
43   const AMDGPUSubtarget *getSubtargetImpl(const Function &) const override = 0;
44 
45   const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
46     return &IntrinsicInfo;
47   }
48   TargetIRAnalysis getTargetIRAnalysis() override;
49 
50   TargetLoweringObjectFile *getObjFileLowering() const override {
51     return TLOF.get();
52   }
53   void addEarlyAsPossiblePasses(PassManagerBase &PM) override;
54 };
55 
56 //===----------------------------------------------------------------------===//
57 // R600 Target Machine (R600 -> Cayman)
58 //===----------------------------------------------------------------------===//
59 
60 class R600TargetMachine final : public AMDGPUTargetMachine {
61 private:
62   mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
63 
64 public:
65   R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
66                     StringRef FS, TargetOptions Options,
67                     Optional<Reloc::Model> RM, CodeModel::Model CM,
68                     CodeGenOpt::Level OL);
69 
70   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
71 
72   const R600Subtarget *getSubtargetImpl(const Function &) const override;
73 };
74 
75 //===----------------------------------------------------------------------===//
76 // GCN Target Machine (SI+)
77 //===----------------------------------------------------------------------===//
78 
79 class GCNTargetMachine final : public AMDGPUTargetMachine {
80 private:
81   mutable StringMap<std::unique_ptr<SISubtarget>> SubtargetMap;
82 
83 public:
84   GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
85                    StringRef FS, TargetOptions Options,
86                    Optional<Reloc::Model> RM, CodeModel::Model CM,
87                    CodeGenOpt::Level OL);
88 
89   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
90 
91   const SISubtarget *getSubtargetImpl(const Function &) const override;
92 };
93 
94 } // End namespace llvm
95 
96 #endif
97