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      1 //===-- llvm/ModuleSummaryIndexYAML.h - YAML I/O for summary ----*- 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 #ifndef LLVM_IR_MODULESUMMARYINDEXYAML_H
     11 #define LLVM_IR_MODULESUMMARYINDEXYAML_H
     12 
     13 #include "llvm/IR/ModuleSummaryIndex.h"
     14 #include "llvm/Support/YAMLTraits.h"
     15 
     16 namespace llvm {
     17 namespace yaml {
     18 
     19 template <> struct ScalarEnumerationTraits<TypeTestResolution::Kind> {
     20   static void enumeration(IO &io, TypeTestResolution::Kind &value) {
     21     io.enumCase(value, "Unsat", TypeTestResolution::Unsat);
     22     io.enumCase(value, "ByteArray", TypeTestResolution::ByteArray);
     23     io.enumCase(value, "Inline", TypeTestResolution::Inline);
     24     io.enumCase(value, "Single", TypeTestResolution::Single);
     25     io.enumCase(value, "AllOnes", TypeTestResolution::AllOnes);
     26   }
     27 };
     28 
     29 template <> struct MappingTraits<TypeTestResolution> {
     30   static void mapping(IO &io, TypeTestResolution &res) {
     31     io.mapOptional("Kind", res.TheKind);
     32     io.mapOptional("SizeM1BitWidth", res.SizeM1BitWidth);
     33   }
     34 };
     35 
     36 template <>
     37 struct ScalarEnumerationTraits<WholeProgramDevirtResolution::ByArg::Kind> {
     38   static void enumeration(IO &io,
     39                           WholeProgramDevirtResolution::ByArg::Kind &value) {
     40     io.enumCase(value, "Indir", WholeProgramDevirtResolution::ByArg::Indir);
     41     io.enumCase(value, "UniformRetVal",
     42                 WholeProgramDevirtResolution::ByArg::UniformRetVal);
     43     io.enumCase(value, "UniqueRetVal",
     44                 WholeProgramDevirtResolution::ByArg::UniqueRetVal);
     45     io.enumCase(value, "VirtualConstProp",
     46                 WholeProgramDevirtResolution::ByArg::VirtualConstProp);
     47   }
     48 };
     49 
     50 template <> struct MappingTraits<WholeProgramDevirtResolution::ByArg> {
     51   static void mapping(IO &io, WholeProgramDevirtResolution::ByArg &res) {
     52     io.mapOptional("Kind", res.TheKind);
     53     io.mapOptional("Info", res.Info);
     54   }
     55 };
     56 
     57 template <>
     58 struct CustomMappingTraits<
     59     std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg>> {
     60   static void inputOne(
     61       IO &io, StringRef Key,
     62       std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg> &V) {
     63     std::vector<uint64_t> Args;
     64     std::pair<StringRef, StringRef> P = {"", Key};
     65     while (!P.second.empty()) {
     66       P = P.second.split(',');
     67       uint64_t Arg;
     68       if (P.first.getAsInteger(0, Arg)) {
     69         io.setError("key not an integer");
     70         return;
     71       }
     72       Args.push_back(Arg);
     73     }
     74     io.mapRequired(Key.str().c_str(), V[Args]);
     75   }
     76   static void output(
     77       IO &io,
     78       std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg> &V) {
     79     for (auto &P : V) {
     80       std::string Key;
     81       for (uint64_t Arg : P.first) {
     82         if (!Key.empty())
     83           Key += ',';
     84         Key += llvm::utostr(Arg);
     85       }
     86       io.mapRequired(Key.c_str(), P.second);
     87     }
     88   }
     89 };
     90 
     91 template <> struct ScalarEnumerationTraits<WholeProgramDevirtResolution::Kind> {
     92   static void enumeration(IO &io, WholeProgramDevirtResolution::Kind &value) {
     93     io.enumCase(value, "Indir", WholeProgramDevirtResolution::Indir);
     94     io.enumCase(value, "SingleImpl", WholeProgramDevirtResolution::SingleImpl);
     95   }
     96 };
     97 
     98 template <> struct MappingTraits<WholeProgramDevirtResolution> {
     99   static void mapping(IO &io, WholeProgramDevirtResolution &res) {
    100     io.mapOptional("Kind", res.TheKind);
    101     io.mapOptional("SingleImplName", res.SingleImplName);
    102     io.mapOptional("ResByArg", res.ResByArg);
    103   }
    104 };
    105 
    106 template <>
    107 struct CustomMappingTraits<std::map<uint64_t, WholeProgramDevirtResolution>> {
    108   static void inputOne(IO &io, StringRef Key,
    109                        std::map<uint64_t, WholeProgramDevirtResolution> &V) {
    110     uint64_t KeyInt;
    111     if (Key.getAsInteger(0, KeyInt)) {
    112       io.setError("key not an integer");
    113       return;
    114     }
    115     io.mapRequired(Key.str().c_str(), V[KeyInt]);
    116   }
    117   static void output(IO &io, std::map<uint64_t, WholeProgramDevirtResolution> &V) {
    118     for (auto &P : V)
    119       io.mapRequired(llvm::utostr(P.first).c_str(), P.second);
    120   }
    121 };
    122 
    123 template <> struct MappingTraits<TypeIdSummary> {
    124   static void mapping(IO &io, TypeIdSummary& summary) {
    125     io.mapOptional("TTRes", summary.TTRes);
    126     io.mapOptional("WPDRes", summary.WPDRes);
    127   }
    128 };
    129 
    130 struct FunctionSummaryYaml {
    131   std::vector<uint64_t> TypeTests;
    132   std::vector<FunctionSummary::VFuncId> TypeTestAssumeVCalls,
    133       TypeCheckedLoadVCalls;
    134   std::vector<FunctionSummary::ConstVCall> TypeTestAssumeConstVCalls,
    135       TypeCheckedLoadConstVCalls;
    136 };
    137 
    138 } // End yaml namespace
    139 } // End llvm namespace
    140 
    141 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint64_t)
    142 
    143 namespace llvm {
    144 namespace yaml {
    145 
    146 template <> struct MappingTraits<FunctionSummary::VFuncId> {
    147   static void mapping(IO &io, FunctionSummary::VFuncId& id) {
    148     io.mapOptional("GUID", id.GUID);
    149     io.mapOptional("Offset", id.Offset);
    150   }
    151 };
    152 
    153 template <> struct MappingTraits<FunctionSummary::ConstVCall> {
    154   static void mapping(IO &io, FunctionSummary::ConstVCall& id) {
    155     io.mapOptional("VFunc", id.VFunc);
    156     io.mapOptional("Args", id.Args);
    157   }
    158 };
    159 
    160 } // End yaml namespace
    161 } // End llvm namespace
    162 
    163 LLVM_YAML_IS_SEQUENCE_VECTOR(FunctionSummary::VFuncId)
    164 LLVM_YAML_IS_SEQUENCE_VECTOR(FunctionSummary::ConstVCall)
    165 
    166 namespace llvm {
    167 namespace yaml {
    168 
    169 template <> struct MappingTraits<FunctionSummaryYaml> {
    170   static void mapping(IO &io, FunctionSummaryYaml& summary) {
    171     io.mapOptional("TypeTests", summary.TypeTests);
    172     io.mapOptional("TypeTestAssumeVCalls", summary.TypeTestAssumeVCalls);
    173     io.mapOptional("TypeCheckedLoadVCalls", summary.TypeCheckedLoadVCalls);
    174     io.mapOptional("TypeTestAssumeConstVCalls",
    175                    summary.TypeTestAssumeConstVCalls);
    176     io.mapOptional("TypeCheckedLoadConstVCalls",
    177                    summary.TypeCheckedLoadConstVCalls);
    178   }
    179 };
    180 
    181 } // End yaml namespace
    182 } // End llvm namespace
    183 
    184 LLVM_YAML_IS_STRING_MAP(TypeIdSummary)
    185 LLVM_YAML_IS_SEQUENCE_VECTOR(FunctionSummaryYaml)
    186 
    187 namespace llvm {
    188 namespace yaml {
    189 
    190 // FIXME: Add YAML mappings for the rest of the module summary.
    191 template <> struct CustomMappingTraits<GlobalValueSummaryMapTy> {
    192   static void inputOne(IO &io, StringRef Key, GlobalValueSummaryMapTy &V) {
    193     std::vector<FunctionSummaryYaml> FSums;
    194     io.mapRequired(Key.str().c_str(), FSums);
    195     uint64_t KeyInt;
    196     if (Key.getAsInteger(0, KeyInt)) {
    197       io.setError("key not an integer");
    198       return;
    199     }
    200     auto &Elem = V[KeyInt];
    201     for (auto &FSum : FSums) {
    202       GlobalValueSummary::GVFlags GVFlags(GlobalValue::ExternalLinkage, false,
    203                                           false);
    204       Elem.push_back(llvm::make_unique<FunctionSummary>(
    205           GVFlags, 0, ArrayRef<ValueInfo>{},
    206           ArrayRef<FunctionSummary::EdgeTy>{}, std::move(FSum.TypeTests),
    207           std::move(FSum.TypeTestAssumeVCalls),
    208           std::move(FSum.TypeCheckedLoadVCalls),
    209           std::move(FSum.TypeTestAssumeConstVCalls),
    210           std::move(FSum.TypeCheckedLoadConstVCalls)));
    211     }
    212   }
    213   static void output(IO &io, GlobalValueSummaryMapTy &V) {
    214     for (auto &P : V) {
    215       std::vector<FunctionSummaryYaml> FSums;
    216       for (auto &Sum : P.second) {
    217         if (auto *FSum = dyn_cast<FunctionSummary>(Sum.get()))
    218           FSums.push_back(FunctionSummaryYaml{
    219               FSum->type_tests(), FSum->type_test_assume_vcalls(),
    220               FSum->type_checked_load_vcalls(),
    221               FSum->type_test_assume_const_vcalls(),
    222               FSum->type_checked_load_const_vcalls()});
    223       }
    224       if (!FSums.empty())
    225         io.mapRequired(llvm::utostr(P.first).c_str(), FSums);
    226     }
    227   }
    228 };
    229 
    230 template <> struct MappingTraits<ModuleSummaryIndex> {
    231   static void mapping(IO &io, ModuleSummaryIndex& index) {
    232     io.mapOptional("GlobalValueMap", index.GlobalValueMap);
    233     io.mapOptional("TypeIdMap", index.TypeIdMap);
    234   }
    235 };
    236 
    237 } // End yaml namespace
    238 } // End llvm namespace
    239 
    240 #endif
    241