X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FAsmParser%2FLLParser.h;h=dbbb97ab62a4aa5ddd6a0623c758808700798b92;hp=2a7210a31168e1f7cfbc0792b10372536dd25f61;hb=5b8c55e5b65ce4b5315f8609afb9b08a9e1d6850;hpb=10c6d12a9fd4dab411091f64db4db69670b88850 diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h index 2a7210a3116..dbbb97ab62a 100644 --- a/lib/AsmParser/LLParser.h +++ b/lib/AsmParser/LLParser.h @@ -11,16 +11,18 @@ // //===----------------------------------------------------------------------===// -#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/Instructions.h" -#include "llvm/Module.h" -#include "llvm/Type.h" #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/StringMap.h" -#include "llvm/Support/ValueHandle.h" +#include "llvm/IR/Attributes.h" +#include "llvm/IR/Instructions.h" +#include "llvm/IR/Module.h" +#include "llvm/IR/Operator.h" +#include "llvm/IR/Type.h" +#include "llvm/IR/ValueHandle.h" #include namespace llvm { @@ -32,8 +34,10 @@ namespace llvm { 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. @@ -48,39 +52,38 @@ namespace llvm { 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_InlineAsm, // Value in FTy/StrVal/StrVal2/UIntVal. t_ConstantStruct, // Value in ConstantStructElts. t_PackedConstantStruct // Value in ConstantStructElts. - } Kind; - + } Kind = t_LocalID; + LLLexer::LocTy Loc; unsigned UIntVal; + FunctionType *FTy; 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 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 { if (Kind == t_LocalID || Kind == t_GlobalID) return UIntVal < RHS.UIntVal; assert((Kind == t_LocalName || Kind == t_GlobalName || - Kind == t_ConstantStruct || Kind == t_PackedConstantStruct) && + 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; @@ -88,7 +91,8 @@ namespace llvm { LLVMContext &Context; LLLexer Lex; Module *M; - + SlotMapping *Slots; + // Instruction metadata resolution. Each instruction can have a list of // MDRef info associated with them. // @@ -103,32 +107,47 @@ namespace llvm { SMLoc Loc; unsigned MDKind, MDSlot; }; - DenseMap > ForwardRefInstMetadata; + + SmallVector 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 > NamedTypes; - std::vector > NumberedTypes; - - std::vector > NumberedMetadata; - std::map, LocTy> > ForwardRefMDNodes; + std::map > NumberedTypes; + + std::map NumberedMetadata; + std::map> ForwardRefMDNodes; // Global Value reference information. std::map > ForwardRefVals; std::map > ForwardRefValIDs; std::vector NumberedVals; - + + // Comdat forward reference information. + std::map ForwardRefComdats; + // References to blockaddress. The key is the function ValID, the value is // a list of references to blocks in that function. - std::map > > - ForwardRefBlockAddresses; - + std::map> 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 > ForwardRefAttrGroups; + std::map 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); + LLVMContext &getContext() { return Context; } private: @@ -146,6 +165,10 @@ namespace llvm { 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) { @@ -153,7 +176,23 @@ namespace llvm { Lex.Lex(); return true; } - bool ParseOptionalToken(lltok::Kind T, bool &Present, LocTy *Loc = 0) { + + FastMathFlags EatFastMathFlagsIfPresent() { + FastMathFlags FMF; + while (true) + switch (Lex.getKind()) { + case lltok::kw_fast: FMF.setUnsafeAlgebra(); 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; + default: return FMF; + } + return FMF; + } + + bool ParseOptionalToken(lltok::Kind T, bool &Present, + LocTy *Loc = nullptr) { if (Lex.getKind() != T) { Present = false; } else { @@ -170,19 +209,37 @@ namespace llvm { 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 parseOptionalUnnamedAddr(bool &UnnamedAddr) { + return ParseOptionalToken(lltok::kw_unnamed_addr, UnnamedAddr); + } bool ParseOptionalAddrSpace(unsigned &AddrSpace); - bool ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind); + bool ParseOptionalParamAttrs(AttrBuilder &B); + bool ParseOptionalReturnAttrs(AttrBuilder &B); bool ParseOptionalLinkage(unsigned &Linkage, bool &HasLinkage); bool ParseOptionalLinkage(unsigned &Linkage) { bool HasLinkage; return ParseOptionalLinkage(Linkage, HasLinkage); } bool ParseOptionalVisibility(unsigned &Visibility); - bool ParseOptionalCallingConv(CallingConv::ID &CC); + bool ParseOptionalDLLStorageClass(unsigned &DLLStorageClass); + 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 ParseOptionalStackAlignment(unsigned &Alignment); bool ParseOptionalCommaAlign(unsigned &Alignment, bool &AteExtraComma); + bool ParseOptionalCommaInAlloca(bool &IsInAlloca); bool ParseIndexList(SmallVectorImpl &Indices,bool &AteExtraComma); bool ParseIndexList(SmallVectorImpl &Indices) { bool AteExtraComma; @@ -196,8 +253,8 @@ namespace llvm { bool ParseTopLevelEntities(); bool ValidateEndOfModule(); bool ParseTargetDefinition(); - bool ParseDepLibs(); bool ParseModuleAsm(); + bool ParseDepLibs(); // FIXME: Remove in 4.0. bool ParseUnnamedType(); bool ParseNamedType(); bool ParseDeclare(); @@ -207,16 +264,32 @@ namespace llvm { bool ParseUnnamedGlobal(); bool ParseNamedGlobal(); bool ParseGlobal(const std::string &Name, LocTy Loc, unsigned Linkage, - bool HasLinkage, unsigned Visibility); - bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Visibility); + bool HasLinkage, unsigned Visibility, + unsigned DLLStorageClass, + GlobalVariable::ThreadLocalMode TLM, bool UnnamedAddr); + 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 &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); @@ -237,7 +310,7 @@ namespace llvm { std::map > ForwardRefVals; std::map > ForwardRefValIDs; std::vector NumberedVals; - + /// FunctionNumber - If this is an unnamed function, this is the slot /// number of it, otherwise it is -1. int FunctionNumber; @@ -270,11 +343,14 @@ namespace llvm { /// 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); @@ -304,30 +380,56 @@ namespace llvm { struct ParamInfo { LocTy Loc; Value *V; - unsigned Attrs; - ParamInfo(LocTy loc, Value *v, unsigned attrs) + AttributeSet Attrs; + ParamInfo(LocTy loc, Value *v, AttributeSet attrs) : Loc(loc), V(v), Attrs(attrs) {} }; bool ParseParameterList(SmallVectorImpl &ArgList, + PerFunctionState &PFS, + bool IsMustTailCall = false, + bool InVarArgsFunc = false); + + bool ParseExceptionArgs(SmallVectorImpl &Args, PerFunctionState &PFS); // Constant Parsing. - bool ParseValID(ValID &ID, PerFunctionState *PFS = NULL); + bool ParseValID(ValID &ID, PerFunctionState *PFS = nullptr); bool ParseGlobalValue(Type *Ty, Constant *&V); bool ParseGlobalTypeAndValue(Constant *&V); - bool ParseGlobalValueVector(SmallVectorImpl &Elts); - bool ParseMetadataListValue(ValID &ID, PerFunctionState *PFS); - bool ParseMetadataValue(ValID &ID, PerFunctionState *PFS); - bool ParseMDNodeVector(SmallVectorImpl &, PerFunctionState *PFS); - bool ParseInstructionMetadata(Instruction *Inst, PerFunctionState *PFS); + bool ParseGlobalValueVector(SmallVectorImpl &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 &MDs); + bool ParseMetadataAttachment(unsigned &Kind, MDNode *&MD); + bool ParseInstructionMetadata(Instruction &Inst); + bool ParseOptionalFunctionMetadata(Function &F); + + template + bool ParseMDField(LocTy Loc, StringRef Name, FieldTy &Result); + template bool ParseMDField(StringRef Name, FieldTy &Result); + template + bool ParseMDFieldsImplBody(ParserTy parseField); + template + 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 { LocTy Loc; Type *Ty; - unsigned Attrs; + AttributeSet Attrs; std::string Name; - ArgInfo(LocTy L, Type *ty, unsigned Attr, const std::string &N) + ArgInfo(LocTy L, Type *ty, AttributeSet Attr, const std::string &N) : Loc(L), Ty(ty), Attrs(Attr), Name(N) {} }; bool ParseArgumentList(SmallVectorImpl &ArgList, bool &isVarArg); @@ -335,6 +437,8 @@ namespace llvm { 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 }; @@ -347,6 +451,13 @@ namespace llvm { 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 ParseCatchPad(Instruction *&Inst, PerFunctionState &PFS); + bool ParseTerminatePad(Instruction *&Inst, PerFunctionState &PFS); + bool ParseCleanupPad(Instruction *&Inst, PerFunctionState &PFS); + bool ParseCatchEndPad(Instruction *&Inst, PerFunctionState &PFS); bool ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc, unsigned OperandType); @@ -359,20 +470,24 @@ namespace llvm { bool ParseInsertElement(Instruction *&I, PerFunctionState &PFS); bool ParseShuffleVector(Instruction *&I, PerFunctionState &PFS); int ParsePHI(Instruction *&I, PerFunctionState &PFS); - bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail); + bool ParseLandingPad(Instruction *&I, PerFunctionState &PFS); + bool ParseCall(Instruction *&I, PerFunctionState &PFS, + CallInst::TailCallKind IsTail); int ParseAlloc(Instruction *&I, PerFunctionState &PFS); - int ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile); - int ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile); - int ParseCmpXchg(Instruction *&I, PerFunctionState &PFS, bool isVolatile); - int ParseAtomicRMW(Instruction *&I, PerFunctionState &PFS, bool isVolatile); + int ParseLoad(Instruction *&I, PerFunctionState &PFS); + int ParseStore(Instruction *&I, PerFunctionState &PFS); + int ParseCmpXchg(Instruction *&I, PerFunctionState &PFS); + int ParseAtomicRMW(Instruction *&I, PerFunctionState &PFS); int ParseFence(Instruction *&I, PerFunctionState &PFS); int ParseGetElementPtr(Instruction *&I, PerFunctionState &PFS); int ParseExtractValue(Instruction *&I, PerFunctionState &PFS); int ParseInsertValue(Instruction *&I, PerFunctionState &PFS); - - bool ResolveForwardRefBlockAddresses(Function *TheFn, - std::vector > &Refs, - PerFunctionState *PFS); + + // Use-list order directives. + bool ParseUseListOrder(PerFunctionState *PFS = nullptr); + bool ParseUseListOrderBB(); + bool ParseUseListOrderIndexes(SmallVectorImpl &Indexes); + bool sortUseListOrder(Value *V, ArrayRef Indexes, SMLoc Loc); }; } // End llvm namespace