| //===-- LLParser.h - Parser Class -------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the parser class for .ll files. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_ASMPARSER_LLPARSER_H |
| #define LLVM_ASMPARSER_LLPARSER_H |
| |
| #include "LLLexer.h" |
| #include "llvm/ADT/StringMap.h" |
| #include "llvm/AsmParser/Parser.h" |
| #include "llvm/IR/Attributes.h" |
| #include "llvm/IR/FMF.h" |
| #include "llvm/IR/Instructions.h" |
| #include "llvm/IR/ModuleSummaryIndex.h" |
| #include <map> |
| |
| namespace llvm { |
| class Module; |
| class ConstantRange; |
| class FunctionType; |
| class GlobalObject; |
| class SMDiagnostic; |
| class SMLoc; |
| class SourceMgr; |
| class Type; |
| struct MaybeAlign; |
| template <typename T> class Optional; |
| class Function; |
| class Value; |
| class BasicBlock; |
| class Instruction; |
| class Constant; |
| class GlobalValue; |
| class Comdat; |
| class MDString; |
| class MDNode; |
| struct SlotMapping; |
| |
| /// ValID - Represents a reference of a definition of some sort with no type. |
| /// There are several cases where we have to parse the value but where the |
| /// type can depend on later context. This may either be a numeric reference |
| /// or a symbolic (%var) reference. This is just a discriminated union. |
| struct ValID { |
| enum { |
| t_LocalID, t_GlobalID, // ID in UIntVal. |
| t_LocalName, t_GlobalName, // Name in StrVal. |
| t_APSInt, t_APFloat, // Value in APSIntVal/APFloatVal. |
| t_Null, t_Undef, t_Zero, t_None, t_Poison, // No value. |
| t_EmptyArray, // No value: [] |
| t_Constant, // Value in ConstantVal. |
| t_InlineAsm, // Value in FTy/StrVal/StrVal2/UIntVal. |
| t_ConstantStruct, // Value in ConstantStructElts. |
| t_PackedConstantStruct // Value in ConstantStructElts. |
| } Kind = t_LocalID; |
| |
| LLLexer::LocTy Loc; |
| unsigned UIntVal; |
| FunctionType *FTy = nullptr; |
| std::string StrVal, StrVal2; |
| APSInt APSIntVal; |
| APFloat APFloatVal{0.0}; |
| Constant *ConstantVal; |
| std::unique_ptr<Constant *[]> ConstantStructElts; |
| bool NoCFI = false; |
| |
| ValID() = default; |
| ValID(const ValID &RHS) |
| : Kind(RHS.Kind), Loc(RHS.Loc), UIntVal(RHS.UIntVal), FTy(RHS.FTy), |
| StrVal(RHS.StrVal), StrVal2(RHS.StrVal2), APSIntVal(RHS.APSIntVal), |
| APFloatVal(RHS.APFloatVal), ConstantVal(RHS.ConstantVal), |
| NoCFI(RHS.NoCFI) { |
| assert(!RHS.ConstantStructElts); |
| } |
| |
| bool operator<(const ValID &RHS) const { |
| if (Kind == t_LocalID || Kind == t_GlobalID) |
| return UIntVal < RHS.UIntVal; |
| assert((Kind == t_LocalName || Kind == t_GlobalName || |
| Kind == t_ConstantStruct || Kind == t_PackedConstantStruct) && |
| "Ordering not defined for this ValID kind yet"); |
| return StrVal < RHS.StrVal; |
| } |
| }; |
| |
| class LLParser { |
| public: |
| typedef LLLexer::LocTy LocTy; |
| private: |
| LLVMContext &Context; |
| // Lexer to determine whether to use opaque pointers or not. |
| LLLexer OPLex; |
| LLLexer Lex; |
| // Module being parsed, null if we are only parsing summary index. |
| Module *M; |
| // Summary index being parsed, null if we are only parsing Module. |
| ModuleSummaryIndex *Index; |
| SlotMapping *Slots; |
| |
| SmallVector<Instruction*, 64> InstsWithTBAATag; |
| |
| // Type resolution handling data structures. The location is set when we |
| // have processed a use of the type but not a definition yet. |
| StringMap<std::pair<Type*, LocTy> > NamedTypes; |
| std::map<unsigned, std::pair<Type*, LocTy> > NumberedTypes; |
| |
| std::map<unsigned, TrackingMDNodeRef> NumberedMetadata; |
| std::map<unsigned, std::pair<TempMDTuple, LocTy>> ForwardRefMDNodes; |
| |
| // Global Value reference information. |
| std::map<std::string, std::pair<GlobalValue*, LocTy> > ForwardRefVals; |
| std::map<unsigned, std::pair<GlobalValue*, LocTy> > ForwardRefValIDs; |
| std::vector<GlobalValue*> NumberedVals; |
| |
| // Comdat forward reference information. |
| std::map<std::string, LocTy> ForwardRefComdats; |
| |
| // References to blockaddress. The key is the function ValID, the value is |
| // a list of references to blocks in that function. |
| std::map<ValID, std::map<ValID, GlobalValue *>> ForwardRefBlockAddresses; |
| class PerFunctionState; |
| /// Reference to per-function state to allow basic blocks to be |
| /// forward-referenced by blockaddress instructions within the same |
| /// function. |
| PerFunctionState *BlockAddressPFS; |
| |
| // Attribute builder reference information. |
| std::map<Value*, std::vector<unsigned> > ForwardRefAttrGroups; |
| std::map<unsigned, AttrBuilder> NumberedAttrBuilders; |
| |
| // Summary global value reference information. |
| std::map<unsigned, std::vector<std::pair<ValueInfo *, LocTy>>> |
| ForwardRefValueInfos; |
| std::map<unsigned, std::vector<std::pair<AliasSummary *, LocTy>>> |
| ForwardRefAliasees; |
| std::vector<ValueInfo> NumberedValueInfos; |
| |
| // Summary type id reference information. |
| std::map<unsigned, std::vector<std::pair<GlobalValue::GUID *, LocTy>>> |
| ForwardRefTypeIds; |
| |
| // Map of module ID to path. |
| std::map<unsigned, StringRef> ModuleIdMap; |
| |
| /// Only the llvm-as tool may set this to false to bypass |
| /// UpgradeDebuginfo so it can generate broken bitcode. |
| bool UpgradeDebugInfo; |
| |
| std::string SourceFileName; |
| |
| public: |
| LLParser(StringRef F, SourceMgr &SM, SMDiagnostic &Err, Module *M, |
| ModuleSummaryIndex *Index, LLVMContext &Context, |
| SlotMapping *Slots = nullptr) |
| : Context(Context), OPLex(F, SM, Err, Context), |
| Lex(F, SM, Err, Context), M(M), Index(Index), Slots(Slots), |
| BlockAddressPFS(nullptr) {} |
| bool Run( |
| bool UpgradeDebugInfo, DataLayoutCallbackTy DataLayoutCallback = |
| [](StringRef) { return None; }); |
| |
| bool parseStandaloneConstantValue(Constant *&C, const SlotMapping *Slots); |
| |
| bool parseTypeAtBeginning(Type *&Ty, unsigned &Read, |
| const SlotMapping *Slots); |
| |
| LLVMContext &getContext() { return Context; } |
| |
| private: |
| bool error(LocTy L, const Twine &Msg) const { return Lex.Error(L, Msg); } |
| bool tokError(const Twine &Msg) const { return error(Lex.getLoc(), Msg); } |
| |
| /// Restore the internal name and slot mappings using the mappings that |
| /// were created at an earlier parsing stage. |
| void restoreParsingState(const SlotMapping *Slots); |
| |
| /// getGlobalVal - Get a value with the specified name or ID, creating a |
| /// forward reference record if needed. This can return null if the value |
| /// exists but does not have the right type. |
| GlobalValue *getGlobalVal(const std::string &N, Type *Ty, LocTy Loc); |
| GlobalValue *getGlobalVal(unsigned ID, Type *Ty, LocTy Loc); |
| |
| /// Get a Comdat with the specified name, creating a forward reference |
| /// record if needed. |
| Comdat *getComdat(const std::string &Name, LocTy Loc); |
| |
| // Helper Routines. |
| bool parseToken(lltok::Kind T, const char *ErrMsg); |
| bool EatIfPresent(lltok::Kind T) { |
| if (Lex.getKind() != T) return false; |
| Lex.Lex(); |
| return true; |
| } |
| |
| FastMathFlags EatFastMathFlagsIfPresent() { |
| FastMathFlags FMF; |
| while (true) |
| switch (Lex.getKind()) { |
| case lltok::kw_fast: FMF.setFast(); Lex.Lex(); continue; |
| case lltok::kw_nnan: FMF.setNoNaNs(); Lex.Lex(); continue; |
| case lltok::kw_ninf: FMF.setNoInfs(); Lex.Lex(); continue; |
| case lltok::kw_nsz: FMF.setNoSignedZeros(); Lex.Lex(); continue; |
| case lltok::kw_arcp: FMF.setAllowReciprocal(); Lex.Lex(); continue; |
| case lltok::kw_contract: |
| FMF.setAllowContract(true); |
| Lex.Lex(); |
| continue; |
| case lltok::kw_reassoc: FMF.setAllowReassoc(); Lex.Lex(); continue; |
| case lltok::kw_afn: FMF.setApproxFunc(); Lex.Lex(); continue; |
| default: return FMF; |
| } |
| return FMF; |
| } |
| |
| bool parseOptionalToken(lltok::Kind T, bool &Present, |
| LocTy *Loc = nullptr) { |
| if (Lex.getKind() != T) { |
| Present = false; |
| } else { |
| if (Loc) |
| *Loc = Lex.getLoc(); |
| Lex.Lex(); |
| Present = true; |
| } |
| return false; |
| } |
| bool parseStringConstant(std::string &Result); |
| bool parseUInt32(unsigned &Val); |
| bool parseUInt32(unsigned &Val, LocTy &Loc) { |
| Loc = Lex.getLoc(); |
| return parseUInt32(Val); |
| } |
| bool parseUInt64(uint64_t &Val); |
| bool parseUInt64(uint64_t &Val, LocTy &Loc) { |
| Loc = Lex.getLoc(); |
| return parseUInt64(Val); |
| } |
| bool parseFlag(unsigned &Val); |
| |
| bool parseStringAttribute(AttrBuilder &B); |
| |
| bool parseTLSModel(GlobalVariable::ThreadLocalMode &TLM); |
| bool parseOptionalThreadLocal(GlobalVariable::ThreadLocalMode &TLM); |
| bool parseOptionalUnnamedAddr(GlobalVariable::UnnamedAddr &UnnamedAddr); |
| bool parseOptionalAddrSpace(unsigned &AddrSpace, unsigned DefaultAS = 0); |
| bool parseOptionalProgramAddrSpace(unsigned &AddrSpace) { |
| return parseOptionalAddrSpace( |
| AddrSpace, M->getDataLayout().getProgramAddressSpace()); |
| }; |
| bool parseEnumAttribute(Attribute::AttrKind Attr, AttrBuilder &B, |
| bool InAttrGroup); |
| bool parseOptionalParamOrReturnAttrs(AttrBuilder &B, bool IsParam); |
| bool parseOptionalParamAttrs(AttrBuilder &B) { |
| return parseOptionalParamOrReturnAttrs(B, true); |
| } |
| bool parseOptionalReturnAttrs(AttrBuilder &B) { |
| return parseOptionalParamOrReturnAttrs(B, false); |
| } |
| bool parseOptionalLinkage(unsigned &Res, bool &HasLinkage, |
| unsigned &Visibility, unsigned &DLLStorageClass, |
| bool &DSOLocal); |
| void parseOptionalDSOLocal(bool &DSOLocal); |
| void parseOptionalVisibility(unsigned &Res); |
| void parseOptionalDLLStorageClass(unsigned &Res); |
| bool parseOptionalCallingConv(unsigned &CC); |
| bool parseOptionalAlignment(MaybeAlign &Alignment, |
| bool AllowParens = false); |
| bool parseOptionalDerefAttrBytes(lltok::Kind AttrKind, uint64_t &Bytes); |
| bool parseOptionalUWTableKind(UWTableKind &Kind); |
| bool parseScopeAndOrdering(bool IsAtomic, SyncScope::ID &SSID, |
| AtomicOrdering &Ordering); |
| bool parseScope(SyncScope::ID &SSID); |
| bool parseOrdering(AtomicOrdering &Ordering); |
| bool parseOptionalStackAlignment(unsigned &Alignment); |
| bool parseOptionalCommaAlign(MaybeAlign &Alignment, bool &AteExtraComma); |
| bool parseOptionalCommaAddrSpace(unsigned &AddrSpace, LocTy &Loc, |
| bool &AteExtraComma); |
| bool parseAllocSizeArguments(unsigned &BaseSizeArg, |
| Optional<unsigned> &HowManyArg); |
| bool parseVScaleRangeArguments(unsigned &MinValue, unsigned &MaxValue); |
| bool parseIndexList(SmallVectorImpl<unsigned> &Indices, |
| bool &AteExtraComma); |
| bool parseIndexList(SmallVectorImpl<unsigned> &Indices) { |
| bool AteExtraComma; |
| if (parseIndexList(Indices, AteExtraComma)) |
| return true; |
| if (AteExtraComma) |
| return tokError("expected index"); |
| return false; |
| } |
| |
| // Top-Level Entities |
| bool parseTopLevelEntities(); |
| bool validateEndOfModule(bool UpgradeDebugInfo); |
| bool validateEndOfIndex(); |
| bool parseTargetDefinitions(); |
| bool parseTargetDefinition(); |
| bool parseModuleAsm(); |
| bool parseSourceFileName(); |
| bool parseUnnamedType(); |
| bool parseNamedType(); |
| bool parseDeclare(); |
| bool parseDefine(); |
| |
| bool parseGlobalType(bool &IsConstant); |
| bool parseUnnamedGlobal(); |
| bool parseNamedGlobal(); |
| bool parseGlobal(const std::string &Name, LocTy NameLoc, unsigned Linkage, |
| bool HasLinkage, unsigned Visibility, |
| unsigned DLLStorageClass, bool DSOLocal, |
| GlobalVariable::ThreadLocalMode TLM, |
| GlobalVariable::UnnamedAddr UnnamedAddr); |
| bool parseAliasOrIFunc(const std::string &Name, LocTy NameLoc, unsigned L, |
| unsigned Visibility, unsigned DLLStorageClass, |
| bool DSOLocal, GlobalVariable::ThreadLocalMode TLM, |
| GlobalVariable::UnnamedAddr UnnamedAddr); |
| bool parseComdat(); |
| bool parseStandaloneMetadata(); |
| bool parseNamedMetadata(); |
| bool parseMDString(MDString *&Result); |
| bool parseMDNodeID(MDNode *&Result); |
| bool parseUnnamedAttrGrp(); |
| bool parseFnAttributeValuePairs(AttrBuilder &B, |
| std::vector<unsigned> &FwdRefAttrGrps, |
| bool inAttrGrp, LocTy &BuiltinLoc); |
| bool parseRequiredTypeAttr(AttrBuilder &B, lltok::Kind AttrToken, |
| Attribute::AttrKind AttrKind); |
| |
| // Module Summary Index Parsing. |
| bool skipModuleSummaryEntry(); |
| bool parseSummaryEntry(); |
| bool parseModuleEntry(unsigned ID); |
| bool parseModuleReference(StringRef &ModulePath); |
| bool parseGVReference(ValueInfo &VI, unsigned &GVId); |
| bool parseSummaryIndexFlags(); |
| bool parseBlockCount(); |
| bool parseGVEntry(unsigned ID); |
| bool parseFunctionSummary(std::string Name, GlobalValue::GUID, unsigned ID); |
| bool parseVariableSummary(std::string Name, GlobalValue::GUID, unsigned ID); |
| bool parseAliasSummary(std::string Name, GlobalValue::GUID, unsigned ID); |
| bool parseGVFlags(GlobalValueSummary::GVFlags &GVFlags); |
| bool parseGVarFlags(GlobalVarSummary::GVarFlags &GVarFlags); |
| bool parseOptionalFFlags(FunctionSummary::FFlags &FFlags); |
| bool parseOptionalCalls(std::vector<FunctionSummary::EdgeTy> &Calls); |
| bool parseHotness(CalleeInfo::HotnessType &Hotness); |
| bool parseOptionalTypeIdInfo(FunctionSummary::TypeIdInfo &TypeIdInfo); |
| bool parseTypeTests(std::vector<GlobalValue::GUID> &TypeTests); |
| bool parseVFuncIdList(lltok::Kind Kind, |
| std::vector<FunctionSummary::VFuncId> &VFuncIdList); |
| bool parseConstVCallList( |
| lltok::Kind Kind, |
| std::vector<FunctionSummary::ConstVCall> &ConstVCallList); |
| using IdToIndexMapType = |
| std::map<unsigned, std::vector<std::pair<unsigned, LocTy>>>; |
| bool parseConstVCall(FunctionSummary::ConstVCall &ConstVCall, |
| IdToIndexMapType &IdToIndexMap, unsigned Index); |
| bool parseVFuncId(FunctionSummary::VFuncId &VFuncId, |
| IdToIndexMapType &IdToIndexMap, unsigned Index); |
| bool parseOptionalVTableFuncs(VTableFuncList &VTableFuncs); |
| bool parseOptionalParamAccesses( |
| std::vector<FunctionSummary::ParamAccess> &Params); |
| bool parseParamNo(uint64_t &ParamNo); |
| using IdLocListType = std::vector<std::pair<unsigned, LocTy>>; |
| bool parseParamAccess(FunctionSummary::ParamAccess &Param, |
| IdLocListType &IdLocList); |
| bool parseParamAccessCall(FunctionSummary::ParamAccess::Call &Call, |
| IdLocListType &IdLocList); |
| bool parseParamAccessOffset(ConstantRange &Range); |
| bool parseOptionalRefs(std::vector<ValueInfo> &Refs); |
| bool parseTypeIdEntry(unsigned ID); |
| bool parseTypeIdSummary(TypeIdSummary &TIS); |
| bool parseTypeIdCompatibleVtableEntry(unsigned ID); |
| bool parseTypeTestResolution(TypeTestResolution &TTRes); |
| bool parseOptionalWpdResolutions( |
| std::map<uint64_t, WholeProgramDevirtResolution> &WPDResMap); |
| bool parseWpdRes(WholeProgramDevirtResolution &WPDRes); |
| bool parseOptionalResByArg( |
| std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg> |
| &ResByArg); |
| bool parseArgs(std::vector<uint64_t> &Args); |
| void addGlobalValueToIndex(std::string Name, GlobalValue::GUID, |
| GlobalValue::LinkageTypes Linkage, unsigned ID, |
| std::unique_ptr<GlobalValueSummary> Summary); |
| |
| // Type Parsing. |
| bool parseType(Type *&Result, const Twine &Msg, bool AllowVoid = false); |
| bool parseType(Type *&Result, bool AllowVoid = false) { |
| return parseType(Result, "expected type", AllowVoid); |
| } |
| bool parseType(Type *&Result, const Twine &Msg, LocTy &Loc, |
| bool AllowVoid = false) { |
| Loc = Lex.getLoc(); |
| return parseType(Result, Msg, AllowVoid); |
| } |
| bool parseType(Type *&Result, LocTy &Loc, bool AllowVoid = false) { |
| Loc = Lex.getLoc(); |
| return parseType(Result, AllowVoid); |
| } |
| bool parseAnonStructType(Type *&Result, bool Packed); |
| bool parseStructBody(SmallVectorImpl<Type *> &Body); |
| bool parseStructDefinition(SMLoc TypeLoc, StringRef Name, |
| std::pair<Type *, LocTy> &Entry, |
| Type *&ResultTy); |
| |
| bool parseArrayVectorType(Type *&Result, bool IsVector); |
| bool parseFunctionType(Type *&Result); |
| |
| // Function Semantic Analysis. |
| class PerFunctionState { |
| LLParser &P; |
| Function &F; |
| std::map<std::string, std::pair<Value*, LocTy> > ForwardRefVals; |
| std::map<unsigned, std::pair<Value*, LocTy> > ForwardRefValIDs; |
| std::vector<Value*> NumberedVals; |
| |
| /// FunctionNumber - If this is an unnamed function, this is the slot |
| /// number of it, otherwise it is -1. |
| int FunctionNumber; |
| public: |
| PerFunctionState(LLParser &p, Function &f, int functionNumber); |
| ~PerFunctionState(); |
| |
| Function &getFunction() const { return F; } |
| |
| bool finishFunction(); |
| |
| /// GetVal - Get a value with the specified name or ID, creating a |
| /// forward reference record if needed. This can return null if the value |
| /// exists but does not have the right type. |
| Value *getVal(const std::string &Name, Type *Ty, LocTy Loc); |
| Value *getVal(unsigned ID, Type *Ty, LocTy Loc); |
| |
| /// setInstName - After an instruction is parsed and inserted into its |
| /// basic block, this installs its name. |
| bool setInstName(int NameID, const std::string &NameStr, LocTy NameLoc, |
| Instruction *Inst); |
| |
| /// GetBB - Get a basic block with the specified name or ID, creating a |
| /// forward reference record if needed. This can return null if the value |
| /// is not a BasicBlock. |
| BasicBlock *getBB(const std::string &Name, LocTy Loc); |
| BasicBlock *getBB(unsigned ID, LocTy Loc); |
| |
| /// DefineBB - Define the specified basic block, which is either named or |
| /// unnamed. If there is an error, this returns null otherwise it returns |
| /// the block being defined. |
| BasicBlock *defineBB(const std::string &Name, int NameID, LocTy Loc); |
| |
| bool resolveForwardRefBlockAddresses(); |
| }; |
| |
| bool convertValIDToValue(Type *Ty, ValID &ID, Value *&V, |
| PerFunctionState *PFS); |
| |
| Value *checkValidVariableType(LocTy Loc, const Twine &Name, Type *Ty, |
| Value *Val); |
| |
| bool parseConstantValue(Type *Ty, Constant *&C); |
| bool parseValue(Type *Ty, Value *&V, PerFunctionState *PFS); |
| bool parseValue(Type *Ty, Value *&V, PerFunctionState &PFS) { |
| return parseValue(Ty, V, &PFS); |
| } |
| |
| bool parseValue(Type *Ty, Value *&V, LocTy &Loc, PerFunctionState &PFS) { |
| Loc = Lex.getLoc(); |
| return parseValue(Ty, V, &PFS); |
| } |
| |
| bool parseTypeAndValue(Value *&V, PerFunctionState *PFS); |
| bool parseTypeAndValue(Value *&V, PerFunctionState &PFS) { |
| return parseTypeAndValue(V, &PFS); |
| } |
| bool parseTypeAndValue(Value *&V, LocTy &Loc, PerFunctionState &PFS) { |
| Loc = Lex.getLoc(); |
| return parseTypeAndValue(V, PFS); |
| } |
| bool parseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc, |
| PerFunctionState &PFS); |
| bool parseTypeAndBasicBlock(BasicBlock *&BB, PerFunctionState &PFS) { |
| LocTy Loc; |
| return parseTypeAndBasicBlock(BB, Loc, PFS); |
| } |
| |
| struct ParamInfo { |
| LocTy Loc; |
| Value *V; |
| AttributeSet Attrs; |
| ParamInfo(LocTy loc, Value *v, AttributeSet attrs) |
| : Loc(loc), V(v), Attrs(attrs) {} |
| }; |
| bool parseParameterList(SmallVectorImpl<ParamInfo> &ArgList, |
| PerFunctionState &PFS, bool IsMustTailCall = false, |
| bool InVarArgsFunc = false); |
| |
| bool |
| parseOptionalOperandBundles(SmallVectorImpl<OperandBundleDef> &BundleList, |
| PerFunctionState &PFS); |
| |
| bool parseExceptionArgs(SmallVectorImpl<Value *> &Args, |
| PerFunctionState &PFS); |
| |
| // Constant Parsing. |
| bool parseValID(ValID &ID, PerFunctionState *PFS, |
| Type *ExpectedTy = nullptr); |
| bool parseGlobalValue(Type *Ty, Constant *&C); |
| bool parseGlobalTypeAndValue(Constant *&V); |
| bool parseGlobalValueVector(SmallVectorImpl<Constant *> &Elts, |
| Optional<unsigned> *InRangeOp = nullptr); |
| bool parseOptionalComdat(StringRef GlobalName, Comdat *&C); |
| bool parseMetadataAsValue(Value *&V, PerFunctionState &PFS); |
| bool parseValueAsMetadata(Metadata *&MD, const Twine &TypeMsg, |
| PerFunctionState *PFS); |
| bool parseMetadata(Metadata *&MD, PerFunctionState *PFS); |
| bool parseMDTuple(MDNode *&MD, bool IsDistinct = false); |
| bool parseMDNode(MDNode *&N); |
| bool parseMDNodeTail(MDNode *&N); |
| bool parseMDNodeVector(SmallVectorImpl<Metadata *> &Elts); |
| bool parseMetadataAttachment(unsigned &Kind, MDNode *&MD); |
| bool parseInstructionMetadata(Instruction &Inst); |
| bool parseGlobalObjectMetadataAttachment(GlobalObject &GO); |
| bool parseOptionalFunctionMetadata(Function &F); |
| |
| template <class FieldTy> |
| bool parseMDField(LocTy Loc, StringRef Name, FieldTy &Result); |
| template <class FieldTy> bool parseMDField(StringRef Name, FieldTy &Result); |
| template <class ParserTy> bool parseMDFieldsImplBody(ParserTy ParseField); |
| template <class ParserTy> |
| bool parseMDFieldsImpl(ParserTy ParseField, LocTy &ClosingLoc); |
| bool parseSpecializedMDNode(MDNode *&N, bool IsDistinct = false); |
| |
| #define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) \ |
| bool parse##CLASS(MDNode *&Result, bool IsDistinct); |
| #include "llvm/IR/Metadata.def" |
| bool parseDIArgList(MDNode *&Result, bool IsDistinct, |
| PerFunctionState *PFS); |
| |
| // Function Parsing. |
| struct ArgInfo { |
| LocTy Loc; |
| Type *Ty; |
| AttributeSet Attrs; |
| std::string Name; |
| ArgInfo(LocTy L, Type *ty, AttributeSet Attr, const std::string &N) |
| : Loc(L), Ty(ty), Attrs(Attr), Name(N) {} |
| }; |
| bool parseArgumentList(SmallVectorImpl<ArgInfo> &ArgList, bool &IsVarArg); |
| bool parseFunctionHeader(Function *&Fn, bool IsDefine); |
| bool parseFunctionBody(Function &Fn); |
| bool parseBasicBlock(PerFunctionState &PFS); |
| |
| enum TailCallType { TCT_None, TCT_Tail, TCT_MustTail }; |
| |
| // Instruction Parsing. Each instruction parsing routine can return with a |
| // normal result, an error result, or return having eaten an extra comma. |
| enum InstResult { InstNormal = 0, InstError = 1, InstExtraComma = 2 }; |
| int parseInstruction(Instruction *&Inst, BasicBlock *BB, |
| PerFunctionState &PFS); |
| bool parseCmpPredicate(unsigned &P, unsigned Opc); |
| |
| bool parseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS); |
| bool parseBr(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseSwitch(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseIndirectBr(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseInvoke(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseResume(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCleanupRet(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCatchRet(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCatchSwitch(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCatchPad(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCleanupPad(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCallBr(Instruction *&Inst, PerFunctionState &PFS); |
| |
| bool parseUnaryOp(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc, |
| bool IsFP); |
| bool parseArithmetic(Instruction *&Inst, PerFunctionState &PFS, |
| unsigned Opc, bool IsFP); |
| bool parseLogical(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc); |
| bool parseCompare(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc); |
| bool parseCast(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc); |
| bool parseSelect(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseVAArg(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseExtractElement(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseInsertElement(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseShuffleVector(Instruction *&Inst, PerFunctionState &PFS); |
| int parsePHI(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseLandingPad(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseCall(Instruction *&Inst, PerFunctionState &PFS, |
| CallInst::TailCallKind TCK); |
| int parseAlloc(Instruction *&Inst, PerFunctionState &PFS); |
| int parseLoad(Instruction *&Inst, PerFunctionState &PFS); |
| int parseStore(Instruction *&Inst, PerFunctionState &PFS); |
| int parseCmpXchg(Instruction *&Inst, PerFunctionState &PFS); |
| int parseAtomicRMW(Instruction *&Inst, PerFunctionState &PFS); |
| int parseFence(Instruction *&Inst, PerFunctionState &PFS); |
| int parseGetElementPtr(Instruction *&Inst, PerFunctionState &PFS); |
| int parseExtractValue(Instruction *&Inst, PerFunctionState &PFS); |
| int parseInsertValue(Instruction *&Inst, PerFunctionState &PFS); |
| bool parseFreeze(Instruction *&I, PerFunctionState &PFS); |
| |
| // Use-list order directives. |
| bool parseUseListOrder(PerFunctionState *PFS = nullptr); |
| bool parseUseListOrderBB(); |
| bool parseUseListOrderIndexes(SmallVectorImpl<unsigned> &Indexes); |
| bool sortUseListOrder(Value *V, ArrayRef<unsigned> Indexes, SMLoc Loc); |
| }; |
| } // End llvm namespace |
| |
| #endif |