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;
44
getIntrinsicInfo()45 const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
46 return &IntrinsicInfo;
47 }
48 TargetIRAnalysis getTargetIRAnalysis() override;
49
getObjFileLowering()50 TargetLoweringObjectFile *getObjFileLowering() const override {
51 return TLOF.get();
52 }
53 };
54
55 //===----------------------------------------------------------------------===//
56 // R600 Target Machine (R600 -> Cayman)
57 //===----------------------------------------------------------------------===//
58
59 class R600TargetMachine final : public AMDGPUTargetMachine {
60 private:
61 mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
62
63 public:
64 R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
65 StringRef FS, TargetOptions Options,
66 Optional<Reloc::Model> RM, CodeModel::Model CM,
67 CodeGenOpt::Level OL);
68
69 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
70
71 const R600Subtarget *getSubtargetImpl(const Function &) const override;
72 };
73
74 //===----------------------------------------------------------------------===//
75 // GCN Target Machine (SI+)
76 //===----------------------------------------------------------------------===//
77
78 class GCNTargetMachine final : public AMDGPUTargetMachine {
79 private:
80 mutable StringMap<std::unique_ptr<SISubtarget>> SubtargetMap;
81
82 public:
83 GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
84 StringRef FS, TargetOptions Options,
85 Optional<Reloc::Model> RM, CodeModel::Model CM,
86 CodeGenOpt::Level OL);
87
88 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
89
90 const SISubtarget *getSubtargetImpl(const Function &) const override;
91 };
92
getSubtargetImpl(const Function & F)93 inline const AMDGPUSubtarget *AMDGPUTargetMachine::getSubtargetImpl(
94 const Function &F) const {
95 if (getTargetTriple().getArch() == Triple::amdgcn)
96 return static_cast<const GCNTargetMachine *>(this)->getSubtargetImpl(F);
97 return static_cast<const R600TargetMachine *>(this)->getSubtargetImpl(F);
98 }
99
100 } // End namespace llvm
101
102 #endif
103