X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAsmParser%2FLLParser.h;h=5e92e570e7267c5025d72d50bc7af98f2192c9db;hb=2f5cbb59470f4f3b6144261bb36a8a806d799275;hp=ed7a1d7117681ddae6371b6befdb25b36c665de3;hpb=1e063d14df0f182626ebdd7ac7f32405aa754e03;p=oota-llvm.git diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h index ed7a1d71176..5e92e570e72 100644 --- a/lib/AsmParser/LLParser.h +++ b/lib/AsmParser/LLParser.h @@ -11,13 +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/Module.h" -#include "llvm/Type.h" -#include "llvm/Support/ValueHandle.h" +#include "llvm/ADT/DenseMap.h" +#include "llvm/ADT/StringMap.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 { @@ -29,8 +34,10 @@ namespace llvm { class Instruction; class Constant; class GlobalValue; + class Comdat; class MDString; class MDNode; + class StructType; /// 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 @@ -45,98 +52,114 @@ namespace llvm { 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; - + LLLexer::LocTy Loc; unsigned UIntVal; std::string StrVal, StrVal2; APSInt APSIntVal; APFloat APFloatVal; Constant *ConstantVal; - MDNode *MDNodeVal; - MDString *MDStringVal; - ValID() : APFloatVal(0.0) {} - + Constant **ConstantStructElts; + + ValID() : Kind(t_LocalID), APFloatVal(0.0) {} + ~ValID() { + if (Kind == t_ConstantStruct || Kind == t_PackedConstantStruct) + delete [] 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) && + 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; + LLVMContext &Context; LLLexer Lex; Module *M; - // Type resolution handling data structures. - std::map > ForwardRefTypes; - std::map > ForwardRefTypeIDs; - std::vector NumberedTypes; - std::vector > NumberedMetadata; - std::map, LocTy> > ForwardRefMDNodes; - struct UpRefRecord { - /// Loc - This is the location of the upref. - LocTy Loc; - - /// NestingLevel - The number of nesting levels that need to be popped - /// before this type is resolved. - unsigned NestingLevel; + // Instruction metadata resolution. Each instruction can have a list of + // MDRef info associated with them. + // + // The simpler approach of just creating temporary MDNodes and then calling + // RAUW on them when the definition is processed doesn't work because some + // instruction metadata kinds, such as dbg, get stored in the IR in an + // "optimized" format which doesn't participate in the normal value use + // lists. This means that RAUW doesn't work, even on temporary MDNodes + // which otherwise support RAUW. Instead, we defer resolving MDNode + // references until the definitions have been processed. + struct MDRef { + SMLoc Loc; + unsigned MDKind, MDSlot; + }; - /// LastContainedTy - This is the type at the current binding level for - /// the type. Every time we reduce the nesting level, this gets updated. - const Type *LastContainedTy; + SmallVector InstsWithTBAATag; - /// UpRefTy - This is the actual opaque type that the upreference is - /// represented with. - OpaqueType *UpRefTy; + // 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::map > NumberedTypes; - UpRefRecord(LocTy L, unsigned NL, OpaqueType *URTy) - : Loc(L), NestingLevel(NL), LastContainedTy((Type*)URTy), - UpRefTy(URTy) {} - }; - std::vector UpRefs; + 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; - - Function *MallocF; + 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), MallocF(NULL) {} + LLParser(StringRef F, SourceMgr &SM, SMDiagnostic &Err, Module *m) + : Context(m->getContext()), Lex(F, SM, Err, m->getContext()), M(m), + BlockAddressPFS(nullptr) {} bool Run(); - LLVMContext& getContext() { return Context; } + LLVMContext &getContext() { return Context; } private: - bool Error(LocTy L, const std::string &Msg) const { + bool Error(LocTy L, const Twine &Msg) const { return Lex.Error(L, Msg); } - bool TokError(const std::string &Msg) const { + bool TokError(const Twine &Msg) const { return Error(Lex.getLoc(), Msg); } /// 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, const Type *Ty, LocTy Loc); - GlobalValue *GetGlobalVal(unsigned ID, const Type *Ty, LocTy Loc); + 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); @@ -145,10 +168,28 @@ namespace llvm { Lex.Lex(); return true; } - bool ParseOptionalToken(lltok::Kind T, bool &Present) { + + 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 { + if (Loc) + *Loc = Lex.getLoc(); Lex.Lex(); Present = true; } @@ -160,19 +201,35 @@ 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 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 ParseOptionalDereferenceableBytes(uint64_t &Bytes); + bool ParseScopeAndOrdering(bool isAtomic, SynchronizationScope &Scope, + AtomicOrdering &Ordering); + bool ParseOrdering(AtomicOrdering &Ordering); bool ParseOptionalStackAlignment(unsigned &Alignment); - bool ParseInstructionMetadata(SmallVectorImpl > &); bool ParseOptionalCommaAlign(unsigned &Alignment, bool &AteExtraComma); + bool ParseOptionalCommaInAlloca(bool &IsInAlloca); bool ParseIndexList(SmallVectorImpl &Indices,bool &AteExtraComma); bool ParseIndexList(SmallVectorImpl &Indices) { bool AteExtraComma; @@ -186,8 +243,8 @@ 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(); @@ -197,24 +254,44 @@ 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 ParseUnnamedAttrGrp(); + bool ParseFnAttributeValuePairs(AttrBuilder &B, + std::vector &FwdRefAttrGrps, + bool inAttrGrp, LocTy &BuiltinLoc); // Type Parsing. - bool ParseType(PATypeHolder &Result, bool AllowVoid = false); - bool ParseType(PATypeHolder &Result, LocTy &Loc, 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); } - bool ParseTypeRec(PATypeHolder &H); - bool ParseStructType(PATypeHolder &H, bool Packed); - bool ParseArrayVectorType(PATypeHolder &H, bool isVector); - bool ParseFunctionType(PATypeHolder &Result); - PATypeHolder HandleUpRefs(const Type *Ty); + bool ParseAnonStructType(Type *&Result, bool Packed); + bool ParseStructBody(SmallVectorImpl &Body); + bool ParseStructDefinition(SMLoc TypeLoc, StringRef Name, + std::pair &Entry, + Type *&ResultTy); + + bool ParseArrayVectorType(Type *&Result, bool isVector); + bool ParseFunctionType(Type *&Result); // Function Semantic Analysis. class PerFunctionState { @@ -223,7 +300,7 @@ 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; @@ -238,8 +315,8 @@ namespace llvm { /// 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, const Type *Ty, LocTy Loc); - Value *GetVal(unsigned ID, const Type *Ty, LocTy Loc); + 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. @@ -256,19 +333,27 @@ 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(const Type *Ty, ValID &ID, Value *&V, + bool ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V, PerFunctionState *PFS); - bool ParseValue(const Type *Ty, Value *&V, PerFunctionState &PFS); - bool ParseValue(const Type *Ty, Value *&V, LocTy &Loc, + 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); + return ParseValue(Ty, V, &PFS); } - bool ParseTypeAndValue(Value *&V, PerFunctionState &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); @@ -280,38 +365,64 @@ namespace llvm { return ParseTypeAndBasicBlock(BB, Loc, PFS); } + 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); + PerFunctionState &PFS, + bool IsMustTailCall = false, + bool InVarArgsFunc = false); // Constant Parsing. - bool ParseValID(ValID &ID, PerFunctionState *PFS = NULL); - bool ParseGlobalValue(const Type *Ty, Constant *&V); + bool ParseValID(ValID &ID, PerFunctionState *PFS = nullptr); + bool ParseGlobalValue(Type *Ty, Constant *&V); bool ParseGlobalTypeAndValue(Constant *&V); - bool ParseGlobalValueVector(SmallVectorImpl &Elts); - bool ParseMDNodeVector(SmallVectorImpl &, 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 ParseInstructionMetadata(Instruction *Inst, PerFunctionState *PFS); + + 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; - PATypeHolder Type; - unsigned Attrs; + Type *Ty; + AttributeSet Attrs; std::string Name; - ArgInfo(LocTy L, PATypeHolder Ty, unsigned Attr, const std::string &N) - : Loc(L), Type(Ty), Attrs(Attr), Name(N) {} + ArgInfo(LocTy L, Type *ty, AttributeSet Attr, const std::string &N) + : Loc(L), Ty(ty), Attrs(Attr), Name(N) {} }; - bool ParseArgumentList(std::vector &ArgList, - bool &isVarArg, bool inType); + bool ParseArgumentList(SmallVectorImpl &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 }; @@ -319,11 +430,12 @@ namespace llvm { PerFunctionState &PFS); bool ParseCmpPredicate(unsigned &Pred, unsigned Opc); - int ParseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS); + 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 ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc, unsigned OperandType); @@ -336,20 +448,24 @@ 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); - int ParseAlloc(Instruction *&I, PerFunctionState &PFS, - BasicBlock *BB = 0, bool isAlloca = true); - bool ParseFree(Instruction *&I, PerFunctionState &PFS, BasicBlock *BB); - int ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile); - int ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile); - bool ParseGetResult(Instruction *&I, PerFunctionState &PFS); + 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); + 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