//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_ASMPARSER_LLPARSER_H
-#define LLVM_ASMPARSER_LLPARSER_H
+#ifndef LLVM_LIB_ASMPARSER_LLPARSER_H
+#define LLVM_LIB_ASMPARSER_LLPARSER_H
#include "LLLexer.h"
#include "llvm/ADT/DenseMap.h"
class Instruction;
class Constant;
class GlobalValue;
+ class Comdat;
class MDString;
class MDNode;
+ struct SlotMapping;
class StructType;
/// ValID - Represents a reference of a definition of some sort with no type.
/// 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, // No value.
- t_EmptyArray, // No value: []
- t_Constant, // Value in ConstantVal.
- t_InlineAsm, // Value in StrVal/StrVal2/UIntVal.
- t_MDNode, // Value in MDNodeVal.
- t_MDString, // Value in MDStringVal.
- t_ConstantStruct, // Value in ConstantStructElts.
- t_PackedConstantStruct // Value in ConstantStructElts.
- } Kind;
+ 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, // 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;
+ APFloat APFloatVal{0.0};
Constant *ConstantVal;
- MDNode *MDNodeVal;
- MDString *MDStringVal;
- Constant **ConstantStructElts;
-
- ValID() : Kind(t_LocalID), APFloatVal(0.0) {}
- ~ValID() {
- if (Kind == t_ConstantStruct || Kind == t_PackedConstantStruct)
- delete [] ConstantStructElts;
+ std::unique_ptr<Constant *[]> ConstantStructElts;
+
+ 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) {
+ assert(!RHS.ConstantStructElts);
}
bool operator<(const ValID &RHS) const {
LLVMContext &Context;
LLLexer Lex;
Module *M;
+ SlotMapping *Slots;
// Instruction metadata resolution. Each instruction can have a list of
// MDRef info associated with them.
SMLoc Loc;
unsigned MDKind, MDSlot;
};
- DenseMap<Instruction*, std::vector<MDRef> > ForwardRefInstMetadata;
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::vector<std::pair<Type*, LocTy> > NumberedTypes;
+ std::map<unsigned, std::pair<Type*, LocTy> > NumberedTypes;
- std::vector<TrackingVH<MDNode> > NumberedMetadata;
- std::map<unsigned, std::pair<TrackingVH<MDNode>, LocTy> > ForwardRefMDNodes;
+ 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::vector<std::pair<ValID, GlobalValue*> > >
- ForwardRefBlockAddresses;
+ 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;
public:
- LLParser(MemoryBuffer *F, SourceMgr &SM, SMDiagnostic &Err, Module *m) :
- Context(m->getContext()), Lex(F, SM, Err, m->getContext()),
- M(m) {}
+ LLParser(StringRef F, SourceMgr &SM, SMDiagnostic &Err, Module *M,
+ SlotMapping *Slots = nullptr)
+ : Context(M->getContext()), Lex(F, SM, Err, M->getContext()), M(M),
+ Slots(Slots), BlockAddressPFS(nullptr) {}
bool Run();
+ bool parseStandaloneConstantValue(Constant *&C, const SlotMapping *Slots);
+
LLVMContext &getContext() { return Context; }
private:
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 &N, LocTy Loc);
+
// Helper Routines.
bool ParseToken(lltok::Kind T, const char *ErrMsg);
bool EatIfPresent(lltok::Kind T) {
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 ParseStringAttribute(AttrBuilder &B);
bool ParseTLSModel(GlobalVariable::ThreadLocalMode &TLM);
bool ParseOptionalThreadLocal(GlobalVariable::ThreadLocalMode &TLM);
}
bool ParseOptionalVisibility(unsigned &Visibility);
bool ParseOptionalDLLStorageClass(unsigned &DLLStorageClass);
- bool ParseOptionalCallingConv(CallingConv::ID &CC);
+ bool ParseOptionalCallingConv(unsigned &CC);
bool ParseOptionalAlignment(unsigned &Alignment);
+ bool ParseOptionalDerefAttrBytes(lltok::Kind AttrKind, uint64_t &Bytes);
bool ParseScopeAndOrdering(bool isAtomic, SynchronizationScope &Scope,
AtomicOrdering &Ordering);
bool ParseOrdering(AtomicOrdering &Ordering);
bool HasLinkage, unsigned Visibility,
unsigned DLLStorageClass,
GlobalVariable::ThreadLocalMode TLM, bool UnnamedAddr);
- bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Visibility,
- unsigned DLLStorageClass,
+ bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Linkage,
+ unsigned Visibility, unsigned DLLStorageClass,
GlobalVariable::ThreadLocalMode TLM, bool UnnamedAddr);
+ bool parseComdat();
bool ParseStandaloneMetadata();
bool ParseNamedMetadata();
bool ParseMDString(MDString *&Result);
bool ParseMDNodeID(MDNode *&Result);
- bool ParseMDNodeID(MDNode *&Result, unsigned &SlotNo);
bool ParseUnnamedAttrGrp();
bool ParseFnAttributeValuePairs(AttrBuilder &B,
std::vector<unsigned> &FwdRefAttrGrps,
bool inAttrGrp, LocTy &BuiltinLoc);
// Type Parsing.
- bool ParseType(Type *&Result, bool AllowVoid = false);
+ 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);
/// unnamed. If there is an error, this returns null otherwise it returns
/// the block being defined.
BasicBlock *DefineBB(const std::string &Name, LocTy Loc);
+
+ bool resolveForwardRefBlockAddresses();
};
bool ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V,
PerFunctionState *PFS);
+ 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();
: 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 = nullptr);
bool ParseGlobalValue(Type *Ty, Constant *&V);
bool ParseGlobalTypeAndValue(Constant *&V);
- bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);
- bool ParseMetadataListValue(ValID &ID, PerFunctionState *PFS);
- bool ParseMetadataValue(ValID &ID, PerFunctionState *PFS);
- bool ParseMDNodeVector(SmallVectorImpl<Value*> &, PerFunctionState *PFS);
- bool ParseInstructionMetadata(Instruction *Inst, PerFunctionState *PFS);
+ bool ParseGlobalValueVector(SmallVectorImpl<Constant *> &Elts);
+ 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 *&MD);
+ bool ParseMDNodeTail(MDNode *&MD);
+ bool ParseMDNodeVector(SmallVectorImpl<Metadata *> &MDs);
+ bool ParseMetadataAttachment(unsigned &Kind, MDNode *&MD);
+ bool ParseInstructionMetadata(Instruction &Inst);
+ 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"
// Function Parsing.
struct ArgInfo {
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 ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc,
unsigned OperandType);
int ParseExtractValue(Instruction *&I, PerFunctionState &PFS);
int ParseInsertValue(Instruction *&I, PerFunctionState &PFS);
- bool ResolveForwardRefBlockAddresses(Function *TheFn,
- std::vector<std::pair<ValID, GlobalValue*> > &Refs,
- 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
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