xref: /freebsd/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h (revision d56accc7c3dcc897489b6a07834763a03b9f3d68)
1 //===--- AMDGPUHSAMetadataStreamer.h ----------------------------*- 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 /// \file
10 /// AMDGPU HSA Metadata Streamer.
11 ///
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUHSAMETADATASTREAMER_H
16 #define LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUHSAMETADATASTREAMER_H
17 
18 #include "llvm/BinaryFormat/MsgPackDocument.h"
19 #include "llvm/Support/AMDGPUMetadata.h"
20 #include "llvm/Support/Alignment.h"
21 
22 namespace llvm {
23 
24 class AMDGPUTargetStreamer;
25 class Argument;
26 class DataLayout;
27 class Function;
28 class MachineFunction;
29 class MDNode;
30 class Module;
31 struct SIProgramInfo;
32 class Type;
33 class GCNSubtarget;
34 
35 namespace AMDGPU {
36 
37 namespace IsaInfo {
38 class AMDGPUTargetID;
39 }
40 
41 namespace HSAMD {
42 
43 class MetadataStreamer {
44 public:
45   virtual ~MetadataStreamer(){};
46 
47   virtual bool emitTo(AMDGPUTargetStreamer &TargetStreamer) = 0;
48 
49   virtual void begin(const Module &Mod,
50                      const IsaInfo::AMDGPUTargetID &TargetID) = 0;
51 
52   virtual void end() = 0;
53 
54   virtual void emitKernel(const MachineFunction &MF,
55                           const SIProgramInfo &ProgramInfo) = 0;
56 
57 protected:
58   virtual void emitVersion() = 0;
59   virtual void emitHiddenKernelArgs(const MachineFunction &MF, unsigned &Offset,
60                                     msgpack::ArrayDocNode Args) = 0;
61 };
62 
63 // TODO: Rename MetadataStreamerV3 -> MetadataStreamerMsgPackV3.
64 class MetadataStreamerV3 : public MetadataStreamer {
65 protected:
66   std::unique_ptr<msgpack::Document> HSAMetadataDoc =
67       std::make_unique<msgpack::Document>();
68 
69   void dump(StringRef HSAMetadataString) const;
70 
71   void verify(StringRef HSAMetadataString) const;
72 
73   Optional<StringRef> getAccessQualifier(StringRef AccQual) const;
74 
75   Optional<StringRef> getAddressSpaceQualifier(unsigned AddressSpace) const;
76 
77   StringRef getValueKind(Type *Ty, StringRef TypeQual,
78                          StringRef BaseTypeName) const;
79 
80   std::string getTypeName(Type *Ty, bool Signed) const;
81 
82   msgpack::ArrayDocNode getWorkGroupDimensions(MDNode *Node) const;
83 
84   msgpack::MapDocNode getHSAKernelProps(const MachineFunction &MF,
85                                         const SIProgramInfo &ProgramInfo) const;
86 
87   void emitVersion() override;
88 
89   void emitPrintf(const Module &Mod);
90 
91   void emitKernelLanguage(const Function &Func, msgpack::MapDocNode Kern);
92 
93   void emitKernelAttrs(const Function &Func, msgpack::MapDocNode Kern);
94 
95   void emitKernelArgs(const MachineFunction &MF, msgpack::MapDocNode Kern);
96 
97   void emitKernelArg(const Argument &Arg, unsigned &Offset,
98                      msgpack::ArrayDocNode Args);
99 
100   void emitKernelArg(const DataLayout &DL, Type *Ty, Align Alignment,
101                      StringRef ValueKind, unsigned &Offset,
102                      msgpack::ArrayDocNode Args, MaybeAlign PointeeAlign = None,
103                      StringRef Name = "", StringRef TypeName = "",
104                      StringRef BaseTypeName = "", StringRef AccQual = "",
105                      StringRef TypeQual = "");
106 
107   void emitHiddenKernelArgs(const MachineFunction &MF, unsigned &Offset,
108                             msgpack::ArrayDocNode Args) override;
109 
110   msgpack::DocNode &getRootMetadata(StringRef Key) {
111     return HSAMetadataDoc->getRoot().getMap(/*Convert=*/true)[Key];
112   }
113 
114   msgpack::DocNode &getHSAMetadataRoot() {
115     return HSAMetadataDoc->getRoot();
116   }
117 
118 public:
119   MetadataStreamerV3() = default;
120   ~MetadataStreamerV3() = default;
121 
122   bool emitTo(AMDGPUTargetStreamer &TargetStreamer) override;
123 
124   void begin(const Module &Mod,
125              const IsaInfo::AMDGPUTargetID &TargetID) override;
126 
127   void end() override;
128 
129   void emitKernel(const MachineFunction &MF,
130                   const SIProgramInfo &ProgramInfo) override;
131 };
132 
133 // TODO: Rename MetadataStreamerV4 -> MetadataStreamerMsgPackV4.
134 class MetadataStreamerV4 : public MetadataStreamerV3 {
135 protected:
136   void emitVersion() override;
137   void emitTargetID(const IsaInfo::AMDGPUTargetID &TargetID);
138 
139 public:
140   MetadataStreamerV4() = default;
141   ~MetadataStreamerV4() = default;
142 
143   void begin(const Module &Mod,
144              const IsaInfo::AMDGPUTargetID &TargetID) override;
145 };
146 
147 // TODO: Rename MetadataStreamerV5 -> MetadataStreamerMsgPackV5.
148 class MetadataStreamerV5 final : public MetadataStreamerV4 {
149 protected:
150   void emitVersion() override;
151   void emitHiddenKernelArgs(const MachineFunction &MF, unsigned &Offset,
152                             msgpack::ArrayDocNode Args) override;
153 
154 public:
155   MetadataStreamerV5() = default;
156   ~MetadataStreamerV5() = default;
157 };
158 
159 // TODO: Rename MetadataStreamerV2 -> MetadataStreamerYamlV2.
160 class MetadataStreamerV2 final : public MetadataStreamer {
161 private:
162   Metadata HSAMetadata;
163 
164   void dump(StringRef HSAMetadataString) const;
165 
166   void verify(StringRef HSAMetadataString) const;
167 
168   AccessQualifier getAccessQualifier(StringRef AccQual) const;
169 
170   AddressSpaceQualifier getAddressSpaceQualifier(unsigned AddressSpace) const;
171 
172   ValueKind getValueKind(Type *Ty, StringRef TypeQual,
173                          StringRef BaseTypeName) const;
174 
175   std::string getTypeName(Type *Ty, bool Signed) const;
176 
177   std::vector<uint32_t> getWorkGroupDimensions(MDNode *Node) const;
178 
179   Kernel::CodeProps::Metadata getHSACodeProps(
180       const MachineFunction &MF,
181       const SIProgramInfo &ProgramInfo) const;
182   Kernel::DebugProps::Metadata getHSADebugProps(
183       const MachineFunction &MF,
184       const SIProgramInfo &ProgramInfo) const;
185 
186   void emitPrintf(const Module &Mod);
187 
188   void emitKernelLanguage(const Function &Func);
189 
190   void emitKernelAttrs(const Function &Func);
191 
192   void emitKernelArgs(const Function &Func, const GCNSubtarget &ST);
193 
194   void emitKernelArg(const Argument &Arg);
195 
196   void emitKernelArg(const DataLayout &DL, Type *Ty, Align Alignment,
197                      ValueKind ValueKind, MaybeAlign PointeeAlign = None,
198                      StringRef Name = "", StringRef TypeName = "",
199                      StringRef BaseTypeName = "", StringRef AccQual = "",
200                      StringRef TypeQual = "");
201 
202   void emitHiddenKernelArgs(const Function &Func, const GCNSubtarget &ST);
203 
204   const Metadata &getHSAMetadata() const {
205     return HSAMetadata;
206   }
207 
208 protected:
209   void emitVersion() override;
210   void emitHiddenKernelArgs(const MachineFunction &MF, unsigned &Offset,
211                             msgpack::ArrayDocNode Args) override {
212     llvm_unreachable("Dummy override should not be invoked!");
213   }
214 
215 public:
216   MetadataStreamerV2() = default;
217   ~MetadataStreamerV2() = default;
218 
219   bool emitTo(AMDGPUTargetStreamer &TargetStreamer) override;
220 
221   void begin(const Module &Mod,
222              const IsaInfo::AMDGPUTargetID &TargetID) override;
223 
224   void end() override;
225 
226   void emitKernel(const MachineFunction &MF,
227                   const SIProgramInfo &ProgramInfo) override;
228 };
229 
230 } // end namespace HSAMD
231 } // end namespace AMDGPU
232 } // end namespace llvm
233 
234 #endif // LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUHSAMETADATASTREAMER_H
235