LCOV - code coverage report
Current view: top level - include/llvm/CodeGen - MIRYamlMapping.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 175 203 86.2 %
Date: 2018-07-13 00:08:38 Functions: 33 42 78.6 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- MIRYAMLMapping.h - Describes the mapping between MIR and YAML ------===//
       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             : // This file implements the mapping between various MIR data structures and
      11             : // their corresponding YAML representation.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_CODEGEN_MIRYAMLMAPPING_H
      16             : #define LLVM_CODEGEN_MIRYAMLMAPPING_H
      17             : 
      18             : #include "llvm/ADT/Optional.h"
      19             : #include "llvm/ADT/StringRef.h"
      20             : #include "llvm/CodeGen/MachineJumpTableInfo.h"
      21             : #include "llvm/Support/SMLoc.h"
      22             : #include "llvm/Support/YAMLTraits.h"
      23             : #include "llvm/Support/raw_ostream.h"
      24             : #include <algorithm>
      25             : #include <cstdint>
      26             : #include <string>
      27             : #include <vector>
      28             : 
      29             : namespace llvm {
      30             : namespace yaml {
      31             : 
      32             : /// A wrapper around std::string which contains a source range that's being
      33             : /// set during parsing.
      34      368013 : struct StringValue {
      35             :   std::string Value;
      36             :   SMRange SourceRange;
      37             : 
      38             :   StringValue() = default;
      39         216 :   StringValue(std::string Value) : Value(std::move(Value)) {}
      40             : 
      41             :   bool operator==(const StringValue &Other) const {
      42       49639 :     return Value == Other.Value;
      43             :   }
      44             : };
      45             : 
      46             : template <> struct ScalarTraits<StringValue> {
      47             :   static void output(const StringValue &S, void *, raw_ostream &OS) {
      48             :     OS << S.Value;
      49             :   }
      50             : 
      51       25237 :   static StringRef input(StringRef Scalar, void *Ctx, StringValue &S) {
      52       50474 :     S.Value = Scalar.str();
      53       25237 :     if (const auto *Node =
      54       25237 :             reinterpret_cast<yaml::Input *>(Ctx)->getCurrentNode())
      55       25237 :       S.SourceRange = Node->getSourceRange();
      56       25237 :     return "";
      57             :   }
      58             : 
      59       77504 :   static QuotingType mustQuote(StringRef S) { return needsQuotes(S); }
      60             : };
      61             : 
      62        3867 : struct FlowStringValue : StringValue {
      63             :   FlowStringValue() = default;
      64         154 :   FlowStringValue(std::string Value) : StringValue(std::move(Value)) {}
      65             : };
      66             : 
      67             : template <> struct ScalarTraits<FlowStringValue> {
      68             :   static void output(const FlowStringValue &S, void *, raw_ostream &OS) {
      69             :     return ScalarTraits<StringValue>::output(S, nullptr, OS);
      70             :   }
      71             : 
      72             :   static StringRef input(StringRef Scalar, void *Ctx, FlowStringValue &S) {
      73         822 :     return ScalarTraits<StringValue>::input(Scalar, Ctx, S);
      74             :   }
      75             : 
      76        1312 :   static QuotingType mustQuote(StringRef S) { return needsQuotes(S); }
      77             : };
      78             : 
      79        8167 : struct BlockStringValue {
      80             :   StringValue Value;
      81             : 
      82             :   bool operator==(const BlockStringValue &Other) const {
      83             :     return Value == Other.Value;
      84             :   }
      85             : };
      86             : 
      87             : template <> struct BlockScalarTraits<BlockStringValue> {
      88             :   static void output(const BlockStringValue &S, void *Ctx, raw_ostream &OS) {
      89             :     return ScalarTraits<StringValue>::output(S.Value, Ctx, OS);
      90             :   }
      91             : 
      92             :   static StringRef input(StringRef Scalar, void *Ctx, BlockStringValue &S) {
      93        4013 :     return ScalarTraits<StringValue>::input(Scalar, Ctx, S.Value);
      94             :   }
      95             : };
      96             : 
      97             : /// A wrapper around unsigned which contains a source range that's being set
      98             : /// during parsing.
      99             : struct UnsignedValue {
     100             :   unsigned Value = 0;
     101             :   SMRange SourceRange;
     102             : 
     103       12852 :   UnsignedValue() = default;
     104             :   UnsignedValue(unsigned Value) : Value(Value) {}
     105             : 
     106             :   bool operator==(const UnsignedValue &Other) const {
     107             :     return Value == Other.Value;
     108             :   }
     109             : };
     110             : 
     111             : template <> struct ScalarTraits<UnsignedValue> {
     112             :   static void output(const UnsignedValue &Value, void *Ctx, raw_ostream &OS) {
     113       20422 :     return ScalarTraits<unsigned>::output(Value.Value, Ctx, OS);
     114             :   }
     115             : 
     116       12434 :   static StringRef input(StringRef Scalar, void *Ctx, UnsignedValue &Value) {
     117       12434 :     if (const auto *Node =
     118       12434 :             reinterpret_cast<yaml::Input *>(Ctx)->getCurrentNode())
     119       12434 :       Value.SourceRange = Node->getSourceRange();
     120       12434 :     return ScalarTraits<unsigned>::input(Scalar, Ctx, Value.Value);
     121             :   }
     122             : 
     123             :   static QuotingType mustQuote(StringRef Scalar) {
     124             :     return ScalarTraits<unsigned>::mustQuote(Scalar);
     125             :   }
     126             : };
     127             : 
     128             : template <> struct ScalarEnumerationTraits<MachineJumpTableInfo::JTEntryKind> {
     129          18 :   static void enumeration(yaml::IO &IO,
     130             :                           MachineJumpTableInfo::JTEntryKind &EntryKind) {
     131          18 :     IO.enumCase(EntryKind, "block-address",
     132             :                 MachineJumpTableInfo::EK_BlockAddress);
     133          18 :     IO.enumCase(EntryKind, "gp-rel64-block-address",
     134             :                 MachineJumpTableInfo::EK_GPRel64BlockAddress);
     135          18 :     IO.enumCase(EntryKind, "gp-rel32-block-address",
     136             :                 MachineJumpTableInfo::EK_GPRel32BlockAddress);
     137          18 :     IO.enumCase(EntryKind, "label-difference32",
     138             :                 MachineJumpTableInfo::EK_LabelDifference32);
     139          18 :     IO.enumCase(EntryKind, "inline", MachineJumpTableInfo::EK_Inline);
     140          18 :     IO.enumCase(EntryKind, "custom32", MachineJumpTableInfo::EK_Custom32);
     141          18 :   }
     142             : };
     143             : 
     144             : } // end namespace yaml
     145             : } // end namespace llvm
     146             : 
     147             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::StringValue)
     148             : LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(llvm::yaml::FlowStringValue)
     149             : LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(llvm::yaml::UnsignedValue)
     150             : 
     151             : namespace llvm {
     152             : namespace yaml {
     153             : 
     154      285680 : struct VirtualRegisterDefinition {
     155             :   UnsignedValue ID;
     156             :   StringValue Class;
     157             :   StringValue PreferredRegister;
     158             : 
     159             :   // TODO: Serialize the target specific register hints.
     160             : 
     161           0 :   bool operator==(const VirtualRegisterDefinition &Other) const {
     162           0 :     return ID == Other.ID && Class == Other.Class &&
     163           0 :            PreferredRegister == Other.PreferredRegister;
     164             :   }
     165             : };
     166             : 
     167             : template <> struct MappingTraits<VirtualRegisterDefinition> {
     168       31637 :   static void mapping(IO &YamlIO, VirtualRegisterDefinition &Reg) {
     169       31637 :     YamlIO.mapRequired("id", Reg.ID);
     170       31637 :     YamlIO.mapRequired("class", Reg.Class);
     171       31637 :     YamlIO.mapOptional("preferred-register", Reg.PreferredRegister,
     172       63274 :                        StringValue()); // Don't print out when it's empty.
     173       31637 :   }
     174             : 
     175             :   static const bool flow = true;
     176             : };
     177             : 
     178       18496 : struct MachineFunctionLiveIn {
     179             :   StringValue Register;
     180             :   StringValue VirtualRegister;
     181             : 
     182           0 :   bool operator==(const MachineFunctionLiveIn &Other) const {
     183           0 :     return Register == Other.Register &&
     184           0 :            VirtualRegister == Other.VirtualRegister;
     185             :   }
     186             : };
     187             : 
     188             : template <> struct MappingTraits<MachineFunctionLiveIn> {
     189        3082 :   static void mapping(IO &YamlIO, MachineFunctionLiveIn &LiveIn) {
     190        3082 :     YamlIO.mapRequired("reg", LiveIn.Register);
     191        3082 :     YamlIO.mapOptional(
     192             :         "virtual-reg", LiveIn.VirtualRegister,
     193        6164 :         StringValue()); // Don't print the virtual register when it's empty.
     194        3082 :   }
     195             : 
     196             :   static const bool flow = true;
     197             : };
     198             : 
     199             : /// Serializable representation of stack object from the MachineFrameInfo class.
     200             : ///
     201             : /// The flags 'isImmutable' and 'isAliased' aren't serialized, as they are
     202             : /// determined by the object's type and frame information flags.
     203             : /// Dead stack objects aren't serialized.
     204             : ///
     205             : /// The 'isPreallocated' flag is determined by the local offset.
     206        9732 : struct MachineStackObject {
     207             :   enum ObjectType { DefaultType, SpillSlot, VariableSized };
     208             :   UnsignedValue ID;
     209             :   StringValue Name;
     210             :   // TODO: Serialize unnamed LLVM alloca reference.
     211             :   ObjectType Type = DefaultType;
     212             :   int64_t Offset = 0;
     213             :   uint64_t Size = 0;
     214             :   unsigned Alignment = 0;
     215             :   uint8_t StackID = 0;
     216             :   StringValue CalleeSavedRegister;
     217             :   bool CalleeSavedRestored = true;
     218             :   Optional<int64_t> LocalOffset;
     219             :   StringValue DebugVar;
     220             :   StringValue DebugExpr;
     221             :   StringValue DebugLoc;
     222             : 
     223           0 :   bool operator==(const MachineStackObject &Other) const {
     224           0 :     return ID == Other.ID && Name == Other.Name && Type == Other.Type &&
     225           0 :            Offset == Other.Offset && Size == Other.Size &&
     226           0 :            Alignment == Other.Alignment &&
     227           0 :            StackID == Other.StackID &&
     228           0 :            CalleeSavedRegister == Other.CalleeSavedRegister &&
     229           0 :            CalleeSavedRestored == Other.CalleeSavedRestored &&
     230           0 :            LocalOffset == Other.LocalOffset && DebugVar == Other.DebugVar &&
     231           0 :            DebugExpr == Other.DebugExpr && DebugLoc == Other.DebugLoc;
     232             :   }
     233             : };
     234             : 
     235             : template <> struct ScalarEnumerationTraits<MachineStackObject::ObjectType> {
     236         593 :   static void enumeration(yaml::IO &IO, MachineStackObject::ObjectType &Type) {
     237         593 :     IO.enumCase(Type, "default", MachineStackObject::DefaultType);
     238         593 :     IO.enumCase(Type, "spill-slot", MachineStackObject::SpillSlot);
     239         593 :     IO.enumCase(Type, "variable-sized", MachineStackObject::VariableSized);
     240         593 :   }
     241             : };
     242             : 
     243             : template <> struct MappingTraits<MachineStackObject> {
     244         683 :   static void mapping(yaml::IO &YamlIO, MachineStackObject &Object) {
     245         683 :     YamlIO.mapRequired("id", Object.ID);
     246         683 :     YamlIO.mapOptional("name", Object.Name,
     247        1366 :                        StringValue()); // Don't print out an empty name.
     248        1366 :     YamlIO.mapOptional(
     249             :         "type", Object.Type,
     250             :         MachineStackObject::DefaultType); // Don't print the default type.
     251        1366 :     YamlIO.mapOptional("offset", Object.Offset, (int64_t)0);
     252         683 :     if (Object.Type != MachineStackObject::VariableSized)
     253         670 :       YamlIO.mapRequired("size", Object.Size);
     254        1366 :     YamlIO.mapOptional("alignment", Object.Alignment, (unsigned)0);
     255         683 :     YamlIO.mapOptional("stack-id", Object.StackID);
     256         683 :     YamlIO.mapOptional("callee-saved-register", Object.CalleeSavedRegister,
     257        1366 :                        StringValue()); // Don't print it out when it's empty.
     258        1366 :     YamlIO.mapOptional("callee-saved-restored", Object.CalleeSavedRestored,
     259             :                        true);
     260        1366 :     YamlIO.mapOptional("local-offset", Object.LocalOffset, Optional<int64_t>());
     261         683 :     YamlIO.mapOptional("debug-info-variable", Object.DebugVar,
     262        1366 :                        StringValue()); // Don't print it out when it's empty.
     263         683 :     YamlIO.mapOptional("debug-info-expression", Object.DebugExpr,
     264        1366 :                        StringValue()); // Don't print it out when it's empty.
     265         683 :     YamlIO.mapOptional("debug-info-location", Object.DebugLoc,
     266        1366 :                        StringValue()); // Don't print it out when it's empty.
     267         683 :   }
     268             : 
     269             :   static const bool flow = true;
     270             : };
     271             : 
     272             : /// Serializable representation of the fixed stack object from the
     273             : /// MachineFrameInfo class.
     274        4474 : struct FixedMachineStackObject {
     275             :   enum ObjectType { DefaultType, SpillSlot };
     276             :   UnsignedValue ID;
     277             :   ObjectType Type = DefaultType;
     278             :   int64_t Offset = 0;
     279             :   uint64_t Size = 0;
     280             :   unsigned Alignment = 0;
     281             :   uint8_t StackID = 0;
     282             :   bool IsImmutable = false;
     283             :   bool IsAliased = false;
     284             :   StringValue CalleeSavedRegister;
     285             :   bool CalleeSavedRestored = true;
     286             :   StringValue DebugVar;
     287             :   StringValue DebugExpr;
     288             :   StringValue DebugLoc;
     289             : 
     290           0 :   bool operator==(const FixedMachineStackObject &Other) const {
     291           0 :     return ID == Other.ID && Type == Other.Type && Offset == Other.Offset &&
     292           0 :            Size == Other.Size && Alignment == Other.Alignment &&
     293             :            StackID == Other.StackID &&
     294           0 :            IsImmutable == Other.IsImmutable && IsAliased == Other.IsAliased &&
     295           0 :            CalleeSavedRegister == Other.CalleeSavedRegister &&
     296           0 :            CalleeSavedRestored == Other.CalleeSavedRestored &&
     297           0 :            DebugVar == Other.DebugVar && DebugExpr == Other.DebugExpr
     298           0 :            && DebugLoc == Other.DebugLoc;
     299             :   }
     300             : };
     301             : 
     302             : template <>
     303             : struct ScalarEnumerationTraits<FixedMachineStackObject::ObjectType> {
     304         389 :   static void enumeration(yaml::IO &IO,
     305             :                           FixedMachineStackObject::ObjectType &Type) {
     306         389 :     IO.enumCase(Type, "default", FixedMachineStackObject::DefaultType);
     307         389 :     IO.enumCase(Type, "spill-slot", FixedMachineStackObject::SpillSlot);
     308         389 :   }
     309             : };
     310             : 
     311             : template <> struct MappingTraits<FixedMachineStackObject> {
     312         438 :   static void mapping(yaml::IO &YamlIO, FixedMachineStackObject &Object) {
     313         438 :     YamlIO.mapRequired("id", Object.ID);
     314         876 :     YamlIO.mapOptional(
     315             :         "type", Object.Type,
     316             :         FixedMachineStackObject::DefaultType); // Don't print the default type.
     317         876 :     YamlIO.mapOptional("offset", Object.Offset, (int64_t)0);
     318         876 :     YamlIO.mapOptional("size", Object.Size, (uint64_t)0);
     319         876 :     YamlIO.mapOptional("alignment", Object.Alignment, (unsigned)0);
     320         438 :     YamlIO.mapOptional("stack-id", Object.StackID);
     321         438 :     if (Object.Type != FixedMachineStackObject::SpillSlot) {
     322         650 :       YamlIO.mapOptional("isImmutable", Object.IsImmutable, false);
     323         650 :       YamlIO.mapOptional("isAliased", Object.IsAliased, false);
     324             :     }
     325         438 :     YamlIO.mapOptional("callee-saved-register", Object.CalleeSavedRegister,
     326         876 :                        StringValue()); // Don't print it out when it's empty.
     327         876 :     YamlIO.mapOptional("callee-saved-restored", Object.CalleeSavedRestored,
     328             :                      true);
     329         438 :     YamlIO.mapOptional("debug-info-variable", Object.DebugVar,
     330         876 :                        StringValue()); // Don't print it out when it's empty.
     331         438 :     YamlIO.mapOptional("debug-info-expression", Object.DebugExpr,
     332         876 :                        StringValue()); // Don't print it out when it's empty.
     333         438 :     YamlIO.mapOptional("debug-info-location", Object.DebugLoc,
     334         876 :                        StringValue()); // Don't print it out when it's empty.
     335         438 :   }
     336             : 
     337             :   static const bool flow = true;
     338             : };
     339             : 
     340         374 : struct MachineConstantPoolValue {
     341             :   UnsignedValue ID;
     342             :   StringValue Value;
     343             :   unsigned Alignment = 0;
     344             :   bool IsTargetSpecific = false;
     345             : 
     346           0 :   bool operator==(const MachineConstantPoolValue &Other) const {
     347           0 :     return ID == Other.ID && Value == Other.Value &&
     348           0 :            Alignment == Other.Alignment &&
     349           0 :            IsTargetSpecific == Other.IsTargetSpecific;
     350             :   }
     351             : };
     352             : 
     353             : template <> struct MappingTraits<MachineConstantPoolValue> {
     354          80 :   static void mapping(IO &YamlIO, MachineConstantPoolValue &Constant) {
     355          80 :     YamlIO.mapRequired("id", Constant.ID);
     356         240 :     YamlIO.mapOptional("value", Constant.Value, StringValue());
     357         160 :     YamlIO.mapOptional("alignment", Constant.Alignment, (unsigned)0);
     358         160 :     YamlIO.mapOptional("isTargetSpecific", Constant.IsTargetSpecific, false);
     359          80 :   }
     360             : };
     361             : 
     362       28465 : struct MachineJumpTable {
     363          36 :   struct Entry {
     364             :     UnsignedValue ID;
     365             :     std::vector<FlowStringValue> Blocks;
     366             : 
     367             :     bool operator==(const Entry &Other) const {
     368           0 :       return ID == Other.ID && Blocks == Other.Blocks;
     369             :     }
     370             :   };
     371             : 
     372             :   MachineJumpTableInfo::JTEntryKind Kind = MachineJumpTableInfo::EK_Custom32;
     373             :   std::vector<Entry> Entries;
     374             : 
     375             :   bool operator==(const MachineJumpTable &Other) const {
     376           8 :     return Kind == Other.Kind && Entries == Other.Entries;
     377             :   }
     378             : };
     379             : 
     380             : template <> struct MappingTraits<MachineJumpTable::Entry> {
     381          18 :   static void mapping(IO &YamlIO, MachineJumpTable::Entry &Entry) {
     382          18 :     YamlIO.mapRequired("id", Entry.ID);
     383          36 :     YamlIO.mapOptional("blocks", Entry.Blocks, std::vector<FlowStringValue>());
     384          18 :   }
     385             : };
     386             : 
     387             : } // end namespace yaml
     388             : } // end namespace llvm
     389             : 
     390             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineFunctionLiveIn)
     391             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::VirtualRegisterDefinition)
     392             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineStackObject)
     393             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::FixedMachineStackObject)
     394             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineConstantPoolValue)
     395             : LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineJumpTable::Entry)
     396             : 
     397             : namespace llvm {
     398             : namespace yaml {
     399             : 
     400             : template <> struct MappingTraits<MachineJumpTable> {
     401          18 :   static void mapping(IO &YamlIO, MachineJumpTable &JT) {
     402          18 :     YamlIO.mapRequired("kind", JT.Kind);
     403          18 :     YamlIO.mapOptional("entries", JT.Entries,
     404          18 :                        std::vector<MachineJumpTable::Entry>());
     405          18 :   }
     406             : };
     407             : 
     408             : /// Serializable representation of MachineFrameInfo.
     409             : ///
     410             : /// Doesn't serialize attributes like 'StackAlignment', 'IsStackRealignable' and
     411             : /// 'RealignOption' as they are determined by the target and LLVM function
     412             : /// attributes.
     413             : /// It also doesn't serialize attributes like 'NumFixedObject' and
     414             : /// 'HasVarSizedObjects' as they are determined by the frame objects themselves.
     415       67396 : struct MachineFrameInfo {
     416             :   bool IsFrameAddressTaken = false;
     417             :   bool IsReturnAddressTaken = false;
     418             :   bool HasStackMap = false;
     419             :   bool HasPatchPoint = false;
     420             :   uint64_t StackSize = 0;
     421             :   int OffsetAdjustment = 0;
     422             :   unsigned MaxAlignment = 0;
     423             :   bool AdjustsStack = false;
     424             :   bool HasCalls = false;
     425             :   StringValue StackProtector;
     426             :   // TODO: Serialize FunctionContextIdx
     427             :   unsigned MaxCallFrameSize = ~0u; ///< ~0u means: not computed yet.
     428             :   bool HasOpaqueSPAdjustment = false;
     429             :   bool HasVAStart = false;
     430             :   bool HasMustTailInVarArgFunc = false;
     431             :   unsigned LocalFrameSize = 0;
     432             :   StringValue SavePoint;
     433             :   StringValue RestorePoint;
     434             : 
     435        4172 :   bool operator==(const MachineFrameInfo &Other) const {
     436             :     return IsFrameAddressTaken == Other.IsFrameAddressTaken &&
     437             :            IsReturnAddressTaken == Other.IsReturnAddressTaken &&
     438        4172 :            HasStackMap == Other.HasStackMap &&
     439        4162 :            HasPatchPoint == Other.HasPatchPoint &&
     440        4162 :            StackSize == Other.StackSize &&
     441        4082 :            OffsetAdjustment == Other.OffsetAdjustment &&
     442             :            MaxAlignment == Other.MaxAlignment &&
     443        7232 :            AdjustsStack == Other.AdjustsStack && HasCalls == Other.HasCalls &&
     444             :            StackProtector == Other.StackProtector &&
     445             :            MaxCallFrameSize == Other.MaxCallFrameSize &&
     446             :            HasOpaqueSPAdjustment == Other.HasOpaqueSPAdjustment &&
     447        3523 :            HasVAStart == Other.HasVAStart &&
     448        2436 :            HasMustTailInVarArgFunc == Other.HasMustTailInVarArgFunc &&
     449        4872 :            LocalFrameSize == Other.LocalFrameSize &&
     450        6608 :            SavePoint == Other.SavePoint && RestorePoint == Other.RestorePoint;
     451             :   }
     452             : };
     453             : 
     454             : template <> struct MappingTraits<MachineFrameInfo> {
     455        4847 :   static void mapping(IO &YamlIO, MachineFrameInfo &MFI) {
     456        9694 :     YamlIO.mapOptional("isFrameAddressTaken", MFI.IsFrameAddressTaken, false);
     457        9694 :     YamlIO.mapOptional("isReturnAddressTaken", MFI.IsReturnAddressTaken, false);
     458        9694 :     YamlIO.mapOptional("hasStackMap", MFI.HasStackMap, false);
     459        9694 :     YamlIO.mapOptional("hasPatchPoint", MFI.HasPatchPoint, false);
     460        9694 :     YamlIO.mapOptional("stackSize", MFI.StackSize, (uint64_t)0);
     461        9694 :     YamlIO.mapOptional("offsetAdjustment", MFI.OffsetAdjustment, (int)0);
     462        9694 :     YamlIO.mapOptional("maxAlignment", MFI.MaxAlignment, (unsigned)0);
     463        9694 :     YamlIO.mapOptional("adjustsStack", MFI.AdjustsStack, false);
     464        9694 :     YamlIO.mapOptional("hasCalls", MFI.HasCalls, false);
     465        4847 :     YamlIO.mapOptional("stackProtector", MFI.StackProtector,
     466        9694 :                        StringValue()); // Don't print it out when it's empty.
     467        9694 :     YamlIO.mapOptional("maxCallFrameSize", MFI.MaxCallFrameSize, (unsigned)~0);
     468        9694 :     YamlIO.mapOptional("hasOpaqueSPAdjustment", MFI.HasOpaqueSPAdjustment,
     469             :                        false);
     470        9694 :     YamlIO.mapOptional("hasVAStart", MFI.HasVAStart, false);
     471        9694 :     YamlIO.mapOptional("hasMustTailInVarArgFunc", MFI.HasMustTailInVarArgFunc,
     472             :                        false);
     473        9694 :     YamlIO.mapOptional("localFrameSize", MFI.LocalFrameSize, (unsigned)0);
     474        4847 :     YamlIO.mapOptional("savePoint", MFI.SavePoint,
     475        9694 :                        StringValue()); // Don't print it out when it's empty.
     476        4847 :     YamlIO.mapOptional("restorePoint", MFI.RestorePoint,
     477        9694 :                        StringValue()); // Don't print it out when it's empty.
     478        4847 :   }
     479             : };
     480             : 
     481       49110 : struct MachineFunction {
     482             :   StringRef Name;
     483             :   unsigned Alignment = 0;
     484             :   bool ExposesReturnsTwice = false;
     485             :   // GISel MachineFunctionProperties.
     486             :   bool Legalized = false;
     487             :   bool RegBankSelected = false;
     488             :   bool Selected = false;
     489             :   bool FailedISel = false;
     490             :   // Register information
     491             :   bool TracksRegLiveness = false;
     492             :   std::vector<VirtualRegisterDefinition> VirtualRegisters;
     493             :   std::vector<MachineFunctionLiveIn> LiveIns;
     494             :   Optional<std::vector<FlowStringValue>> CalleeSavedRegisters;
     495             :   // TODO: Serialize the various register masks.
     496             :   // Frame information
     497             :   MachineFrameInfo FrameInfo;
     498             :   std::vector<FixedMachineStackObject> FixedStackObjects;
     499             :   std::vector<MachineStackObject> StackObjects;
     500             :   std::vector<MachineConstantPoolValue> Constants; /// Constant pool.
     501             :   MachineJumpTable JumpTableInfo;
     502             :   BlockStringValue Body;
     503             : };
     504             : 
     505             : template <> struct MappingTraits<MachineFunction> {
     506        8203 :   static void mapping(IO &YamlIO, MachineFunction &MF) {
     507        8203 :     YamlIO.mapRequired("name", MF.Name);
     508       16406 :     YamlIO.mapOptional("alignment", MF.Alignment, (unsigned)0);
     509       16406 :     YamlIO.mapOptional("exposesReturnsTwice", MF.ExposesReturnsTwice, false);
     510       16406 :     YamlIO.mapOptional("legalized", MF.Legalized, false);
     511       16406 :     YamlIO.mapOptional("regBankSelected", MF.RegBankSelected, false);
     512       16406 :     YamlIO.mapOptional("selected", MF.Selected, false);
     513       16406 :     YamlIO.mapOptional("failedISel", MF.FailedISel, false);
     514       16406 :     YamlIO.mapOptional("tracksRegLiveness", MF.TracksRegLiveness, false);
     515        8203 :     YamlIO.mapOptional("registers", MF.VirtualRegisters,
     516        8203 :                        std::vector<VirtualRegisterDefinition>());
     517        8203 :     YamlIO.mapOptional("liveins", MF.LiveIns,
     518        8203 :                        std::vector<MachineFunctionLiveIn>());
     519        8203 :     YamlIO.mapOptional("calleeSavedRegisters", MF.CalleeSavedRegisters,
     520        8203 :                        Optional<std::vector<FlowStringValue>>());
     521       24609 :     YamlIO.mapOptional("frameInfo", MF.FrameInfo, MachineFrameInfo());
     522        8203 :     YamlIO.mapOptional("fixedStack", MF.FixedStackObjects,
     523        8203 :                        std::vector<FixedMachineStackObject>());
     524        8203 :     YamlIO.mapOptional("stack", MF.StackObjects,
     525        8203 :                        std::vector<MachineStackObject>());
     526        8203 :     YamlIO.mapOptional("constants", MF.Constants,
     527        8203 :                        std::vector<MachineConstantPoolValue>());
     528       12375 :     if (!YamlIO.outputting() || !MF.JumpTableInfo.Entries.empty())
     529        8078 :       YamlIO.mapOptional("jumpTable", MF.JumpTableInfo, MachineJumpTable());
     530       24609 :     YamlIO.mapOptional("body", MF.Body, BlockStringValue());
     531        8203 :   }
     532             : };
     533             : 
     534             : } // end namespace yaml
     535             : } // end namespace llvm
     536             : 
     537             : #endif // LLVM_CODEGEN_MIRYAMLMAPPING_H

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