/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
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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 | | #include "llvm/ADT/Optional.h" |
21 | | #include "llvm/ADT/StringMap.h" |
22 | | #include "llvm/ADT/StringRef.h" |
23 | | #include "llvm/Analysis/TargetTransformInfo.h" |
24 | | #include "llvm/Support/CodeGen.h" |
25 | | #include "llvm/Target/TargetMachine.h" |
26 | | #include <memory> |
27 | | |
28 | | namespace llvm { |
29 | | |
30 | | //===----------------------------------------------------------------------===// |
31 | | // AMDGPU Target Machine (R600+) |
32 | | //===----------------------------------------------------------------------===// |
33 | | |
34 | | class AMDGPUTargetMachine : public LLVMTargetMachine { |
35 | | protected: |
36 | | std::unique_ptr<TargetLoweringObjectFile> TLOF; |
37 | | AMDGPUIntrinsicInfo IntrinsicInfo; |
38 | | AMDGPUAS AS; |
39 | | |
40 | | StringRef getGPUName(const Function &F) const; |
41 | | StringRef getFeatureString(const Function &F) const; |
42 | | |
43 | | public: |
44 | | AMDGPUTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
45 | | StringRef FS, TargetOptions Options, |
46 | | Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
47 | | CodeGenOpt::Level OL); |
48 | | ~AMDGPUTargetMachine() override; |
49 | | |
50 | | const AMDGPUSubtarget *getSubtargetImpl() const; |
51 | | const AMDGPUSubtarget *getSubtargetImpl(const Function &) const override = 0; |
52 | | |
53 | 12.8k | const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override { |
54 | 12.8k | return &IntrinsicInfo; |
55 | 12.8k | } |
56 | | TargetIRAnalysis getTargetIRAnalysis() override; |
57 | | |
58 | 64.9k | TargetLoweringObjectFile *getObjFileLowering() const override { |
59 | 64.9k | return TLOF.get(); |
60 | 64.9k | } |
61 | 18.9k | AMDGPUAS getAMDGPUAS() const { |
62 | 18.9k | return AS; |
63 | 18.9k | } |
64 | | |
65 | | void adjustPassManager(PassManagerBuilder &) override; |
66 | | /// Get the integer value of a null pointer in the given address space. |
67 | 100 | uint64_t getNullPointerValue(unsigned AddrSpace) const { |
68 | 100 | if (AddrSpace == AS.LOCAL_ADDRESS || 100 AddrSpace == AS.REGION_ADDRESS81 ) |
69 | 21 | return -1; |
70 | 79 | return 0; |
71 | 100 | } |
72 | | }; |
73 | | |
74 | | //===----------------------------------------------------------------------===// |
75 | | // R600 Target Machine (R600 -> Cayman) |
76 | | //===----------------------------------------------------------------------===// |
77 | | |
78 | | class R600TargetMachine final : public AMDGPUTargetMachine { |
79 | | private: |
80 | | mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap; |
81 | | |
82 | | public: |
83 | | R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
84 | | StringRef FS, TargetOptions Options, |
85 | | Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
86 | | CodeGenOpt::Level OL, bool JIT); |
87 | | |
88 | | TargetPassConfig *createPassConfig(PassManagerBase &PM) override; |
89 | | |
90 | | const R600Subtarget *getSubtargetImpl(const Function &) const override; |
91 | | |
92 | 0 | bool isMachineVerifierClean() const override { |
93 | 0 | return false; |
94 | 0 | } |
95 | | }; |
96 | | |
97 | | //===----------------------------------------------------------------------===// |
98 | | // GCN Target Machine (SI+) |
99 | | //===----------------------------------------------------------------------===// |
100 | | |
101 | | class GCNTargetMachine final : public AMDGPUTargetMachine { |
102 | | private: |
103 | | mutable StringMap<std::unique_ptr<SISubtarget>> SubtargetMap; |
104 | | |
105 | | public: |
106 | | GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
107 | | StringRef FS, TargetOptions Options, |
108 | | Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
109 | | CodeGenOpt::Level OL, bool JIT); |
110 | | |
111 | | TargetPassConfig *createPassConfig(PassManagerBase &PM) override; |
112 | | |
113 | | const SISubtarget *getSubtargetImpl(const Function &) const override; |
114 | | }; |
115 | | |
116 | | } // end namespace llvm |
117 | | |
118 | | #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H |