lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h

   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 "AMDGPU.h"
  19 #include "AMDKernelCodeT.h"
  20 #include "llvm/ADT/StringRef.h"
  21 #include "llvm/BinaryFormat/MsgPackDocument.h"
  22 #include "llvm/Support/AMDGPUMetadata.h"
  23
  24 namespace llvm {
  25
  26 class AMDGPUTargetStreamer;
  27 class Argument;
  28 class DataLayout;
  29 class Function;
  30 class MDNode;
  31 class Module;
  32 struct SIProgramInfo;
  33 class Type;
  34
  35 namespace AMDGPU {
  36 namespace HSAMD {
  37
  38 class MetadataStreamer {
  39 public:
  40   virtual ~MetadataStreamer(){};
  41
  42   virtual bool emitTo(AMDGPUTargetStreamer &TargetStreamer) = 0;
  43
  44   virtual void begin(const Module &Mod) = 0;
  45
  46   virtual void end() = 0;
  47
  48   virtual void emitKernel(const MachineFunction &MF,
  49                           const SIProgramInfo &ProgramInfo) = 0;
  50 };
  51
  52 class MetadataStreamerV3 final : public MetadataStreamer {
  53 private:
  54   std::unique_ptr<msgpack::Document> HSAMetadataDoc =
  55       std::make_unique<msgpack::Document>();
  56
  57   void dump(StringRef HSAMetadataString) const;
  58
  59   void verify(StringRef HSAMetadataString) const;
  60
  61   Optional<StringRef> getAccessQualifier(StringRef AccQual) const;
  62
  63   Optional<StringRef> getAddressSpaceQualifier(unsigned AddressSpace) const;
  64
  65   StringRef getValueKind(Type *Ty, StringRef TypeQual,
  66                          StringRef BaseTypeName) const;
  67
  68   StringRef getValueType(Type *Ty, StringRef TypeName) const;
  69
  70   std::string getTypeName(Type *Ty, bool Signed) const;
  71
  72   msgpack::ArrayDocNode getWorkGroupDimensions(MDNode *Node) const;
  73
  74   msgpack::MapDocNode getHSAKernelProps(const MachineFunction &MF,
  75                                         const SIProgramInfo &ProgramInfo) const;
  76
  77   void emitVersion();
  78
  79   void emitPrintf(const Module &Mod);
  80
  81   void emitKernelLanguage(const Function &Func, msgpack::MapDocNode Kern);
  82
  83   void emitKernelAttrs(const Function &Func, msgpack::MapDocNode Kern);
  84
  85   void emitKernelArgs(const Function &Func, msgpack::MapDocNode Kern);
  86
  87   void emitKernelArg(const Argument &Arg, unsigned &Offset,
  88                      msgpack::ArrayDocNode Args);
  89
  90   void emitKernelArg(const DataLayout &DL, Type *Ty, StringRef ValueKind,
  91                      unsigned &Offset, msgpack::ArrayDocNode Args,
  92                      unsigned PointeeAlign = 0, StringRef Name = "",
  93                      StringRef TypeName = "", StringRef BaseTypeName = "",
  94                      StringRef AccQual = "", StringRef TypeQual = "");
  95
  96   void emitHiddenKernelArgs(const Function &Func, unsigned &Offset,
  97                             msgpack::ArrayDocNode Args);
  98
  99   msgpack::DocNode &getRootMetadata(StringRef Key) {
 100     return HSAMetadataDoc->getRoot().getMap(/*Convert=*/true)[Key];
 101   }
 102
 103   msgpack::DocNode &getHSAMetadataRoot() {
 104     return HSAMetadataDoc->getRoot();
 105   }
 106
 107 public:
 108   MetadataStreamerV3() = default;
 109   ~MetadataStreamerV3() = default;
 110
 111   bool emitTo(AMDGPUTargetStreamer &TargetStreamer) override;
 112
 113   void begin(const Module &Mod) override;
 114
 115   void end() override;
 116
 117   void emitKernel(const MachineFunction &MF,
 118                   const SIProgramInfo &ProgramInfo) override;
 119 };
 120
 121 class MetadataStreamerV2 final : public MetadataStreamer {
 122 private:
 123   Metadata HSAMetadata;
 124
 125   void dump(StringRef HSAMetadataString) const;
 126
 127   void verify(StringRef HSAMetadataString) const;
 128
 129   AccessQualifier getAccessQualifier(StringRef AccQual) const;
 130
 131   AddressSpaceQualifier getAddressSpaceQualifier(unsigned AddressSpace) const;
 132
 133   ValueKind getValueKind(Type *Ty, StringRef TypeQual,
 134                          StringRef BaseTypeName) const;
 135
 136   ValueType getValueType(Type *Ty, StringRef TypeName) const;
 137
 138   std::string getTypeName(Type *Ty, bool Signed) const;
 139
 140   std::vector<uint32_t> getWorkGroupDimensions(MDNode *Node) const;
 141
 142   Kernel::CodeProps::Metadata getHSACodeProps(
 143       const MachineFunction &MF,
 144       const SIProgramInfo &ProgramInfo) const;
 145   Kernel::DebugProps::Metadata getHSADebugProps(
 146       const MachineFunction &MF,
 147       const SIProgramInfo &ProgramInfo) const;
 148
 149   void emitVersion();
 150
 151   void emitPrintf(const Module &Mod);
 152
 153   void emitKernelLanguage(const Function &Func);
 154
 155   void emitKernelAttrs(const Function &Func);
 156
 157   void emitKernelArgs(const Function &Func);
 158
 159   void emitKernelArg(const Argument &Arg);
 160
 161   void emitKernelArg(const DataLayout &DL, Type *Ty, ValueKind ValueKind,
 162                      unsigned PointeeAlign = 0,
 163                      StringRef Name = "", StringRef TypeName = "",
 164                      StringRef BaseTypeName = "", StringRef AccQual = "",
 165                      StringRef TypeQual = "");
 166
 167   void emitHiddenKernelArgs(const Function &Func);
 168
 169   const Metadata &getHSAMetadata() const {
 170     return HSAMetadata;
 171   }
 172
 173 public:
 174   MetadataStreamerV2() = default;
 175   ~MetadataStreamerV2() = default;
 176
 177   bool emitTo(AMDGPUTargetStreamer &TargetStreamer) override;
 178
 179   void begin(const Module &Mod) override;
 180
 181   void end() override;
 182
 183   void emitKernel(const MachineFunction &MF,
 184                   const SIProgramInfo &ProgramInfo) override;
 185 };
 186
 187 } // end namespace HSAMD
 188 } // end namespace AMDGPU
 189 } // end namespace llvm
 190
 191 #endif // LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUHSAMETADATASTREAMER_H