X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FAnalysis%2FDebugInfo.h;h=7c6b421ca35c878408d7d536cf9f60155843b354;hb=f98d8fee3c5367622cf03e52f1e1b2251ac6cf3f;hp=164600e59d5cc1848fdbad615ba6583985732ced;hpb=aff9c270de8de7d1a0bc138d391bc67136bad58e;p=oota-llvm.git diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h index 164600e59d5..7c6b421ca35 100644 --- a/include/llvm/Analysis/DebugInfo.h +++ b/include/llvm/Analysis/DebugInfo.h @@ -8,15 +8,21 @@ //===----------------------------------------------------------------------===// // // This file defines a bunch of datatypes that are useful for creating and -// walking debug info in LLVM IR form. +// walking debug info in LLVM IR form. They essentially provide wrappers around +// the information in the global variables that's needed when constructing the +// DWARF information. // //===----------------------------------------------------------------------===// #ifndef LLVM_ANALYSIS_DEBUGINFO_H #define LLVM_ANALYSIS_DEBUGINFO_H +#include "llvm/Metadata.h" +#include "llvm/Target/TargetMachine.h" #include "llvm/ADT/StringMap.h" #include "llvm/ADT/DenseMap.h" +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/SmallPtrSet.h" #include "llvm/Support/Dwarf.h" namespace llvm { @@ -29,18 +35,24 @@ namespace llvm { class Value; struct DbgStopPointInst; struct DbgDeclareInst; + struct DbgFuncStartInst; + struct DbgRegionStartInst; + struct DbgRegionEndInst; + class DebugLoc; + struct DebugLocTracker; class Instruction; + class LLVMContext; class DIDescriptor { protected: - GlobalVariable *GV; + MDNode *DbgNode; - /// DIDescriptor constructor. If the specified GV is non-null, this checks + /// DIDescriptor constructor. If the specified node is non-null, check /// to make sure that the tag in the descriptor matches 'RequiredTag'. If /// not, the debug info is corrupt and we ignore it. - DIDescriptor(GlobalVariable *GV, unsigned RequiredTag); + DIDescriptor(MDNode *N, unsigned RequiredTag); - std::string getStringField(unsigned Elt) const; + const std::string &getStringField(unsigned Elt, std::string &Result) const; unsigned getUnsignedField(unsigned Elt) const { return (unsigned)getUInt64Field(Elt); } @@ -49,18 +61,18 @@ namespace llvm { template DescTy getFieldAs(unsigned Elt) const { - return DescTy(getDescriptorField(Elt).getGV()); + return DescTy(getDescriptorField(Elt).getNode()); } GlobalVariable *getGlobalVariableField(unsigned Elt) const; public: - explicit DIDescriptor() : GV(0) {} - explicit DIDescriptor(GlobalVariable *gv) : GV(gv) {} + explicit DIDescriptor() : DbgNode(0) {} + explicit DIDescriptor(MDNode *N) : DbgNode(N) {} - bool isNull() const { return GV == 0; } + bool isNull() const { return DbgNode == 0; } - GlobalVariable *getGV() const { return GV; } + MDNode *getNode() const { return DbgNode; } unsigned getVersion() const { return getUnsignedField(0) & LLVMDebugVersionMask; @@ -70,20 +82,28 @@ namespace llvm { return getUnsignedField(0) & ~LLVMDebugVersionMask; } - }; + /// ValidDebugInfo - Return true if N represents valid debug info value. + static bool ValidDebugInfo(MDNode *N, CodeGenOpt::Level OptLevel); - /// DIAnchor - A wrapper for various anchor descriptors. - class DIAnchor : public DIDescriptor { - public: - explicit DIAnchor(GlobalVariable *GV = 0); + /// dump - print descriptor. + void dump() const; - unsigned getAnchorTag() const { return getUnsignedField(1); } + bool isDerivedType() const; + bool isCompositeType() const; + bool isBasicType() const; + bool isVariable() const; + bool isSubprogram() const; + bool isGlobalVariable() const; + bool isScope() const; + bool isCompileUnit() const; + bool isLexicalBlock() const; }; /// DISubrange - This is used to represent ranges, for array bounds. class DISubrange : public DIDescriptor { public: - explicit DISubrange(GlobalVariable *GV = 0); + explicit DISubrange(MDNode *N = 0) + : DIDescriptor(N, dwarf::DW_TAG_subrange_type) {} int64_t getLo() const { return (int64_t)getUInt64Field(1); } int64_t getHi() const { return (int64_t)getUInt64Field(2); } @@ -92,7 +112,8 @@ namespace llvm { /// DIArray - This descriptor holds an array of descriptors. class DIArray : public DIDescriptor { public: - explicit DIArray(GlobalVariable *GV = 0) : DIDescriptor(GV) {} + explicit DIArray(MDNode *N = 0) + : DIDescriptor(N) {} unsigned getNumElements() const; DIDescriptor getElement(unsigned Idx) const { @@ -100,15 +121,42 @@ namespace llvm { } }; + /// DIScope - A base class for various scopes. + class DIScope : public DIDescriptor { + public: + explicit DIScope(MDNode *N = 0) : DIDescriptor (N) { + if (DbgNode && !isScope()) + DbgNode = 0; + } + + virtual const std::string &getFilename(std::string &F) const { + return F; + } + + virtual const std::string &getDirectory(std::string &D) const { + return D; + } + }; + /// DICompileUnit - A wrapper for a compile unit. - class DICompileUnit : public DIDescriptor { + class DICompileUnit : public DIScope { public: - explicit DICompileUnit(GlobalVariable *GV = 0); + explicit DICompileUnit(MDNode *N = 0) { + DbgNode = N; + if (DbgNode && !isCompileUnit()) + DbgNode = 0; + } unsigned getLanguage() const { return getUnsignedField(2); } - std::string getFilename() const { return getStringField(3); } - std::string getDirectory() const { return getStringField(4); } - std::string getProducer() const { return getStringField(5); } + const std::string &getFilename(std::string &F) const { + return getStringField(3, F); + } + const std::string &getDirectory(std::string &F) const { + return getStringField(4, F); + } + const std::string &getProducer(std::string &F) const { + return getStringField(5, F); + } /// isMain - Each input file is encoded as a separate compile unit in LLVM /// debugging information output. However, many target specific tool chains @@ -118,9 +166,13 @@ namespace llvm { /// code generator accepts maximum one main compile unit per module. If a /// module does not contain any main compile unit then the code generator /// will emit multiple compile units in the output object file. - bool isMain() const { return getUnsignedField(6); } - bool isOptimized() const { return getUnsignedField(7); } - std::string getFlags() const { return getStringField(8); } + + bool isMain() const { return getUnsignedField(6); } + bool isOptimized() const { return getUnsignedField(7); } + const std::string &getFlags(std::string &F) const { + return getStringField(8, F); + } + unsigned getRunTimeVersion() const { return getUnsignedField(9); } /// Verify - Verify that a compile unit is well formed. bool Verify() const; @@ -134,9 +186,12 @@ namespace llvm { /// type/precision or a file/line pair for location info. class DIEnumerator : public DIDescriptor { public: - explicit DIEnumerator(GlobalVariable *GV = 0); + explicit DIEnumerator(MDNode *N = 0) + : DIDescriptor(N, dwarf::DW_TAG_enumerator) {} - std::string getName() const { return getStringField(1); } + const std::string &getName(std::string &F) const { + return getStringField(1, F); + } uint64_t getEnumValue() const { return getUInt64Field(2); } }; @@ -146,41 +201,33 @@ namespace llvm { class DIType : public DIDescriptor { public: enum { - FlagPrivate = 1 << 0, - FlagProtected = 1 << 1, - FlagFwdDecl = 1 << 2 + FlagPrivate = 1 << 0, + FlagProtected = 1 << 1, + FlagFwdDecl = 1 << 2, + FlagAppleBlock = 1 << 3, + FlagBlockByrefStruct = 1 << 4 }; protected: - DIType(GlobalVariable *GV, unsigned Tag) : DIDescriptor(GV, Tag) {} + DIType(MDNode *N, unsigned Tag) + : DIDescriptor(N, Tag) {} // This ctor is used when the Tag has already been validated by a derived // ctor. - DIType(GlobalVariable *GV, bool, bool) : DIDescriptor(GV) {} + DIType(MDNode *N, bool, bool) : DIDescriptor(N) {} public: - /// isDerivedType - Return true if the specified tag is legal for - /// DIDerivedType. - static bool isDerivedType(unsigned TAG); - - /// isCompositeType - Return true if the specified tag is legal for - /// DICompositeType. - static bool isCompositeType(unsigned TAG); - - /// isBasicType - Return true if the specified tag is legal for - /// DIBasicType. - static bool isBasicType(unsigned TAG) { - return TAG == dwarf::DW_TAG_base_type; - } /// Verify - Verify that a type descriptor is well formed. bool Verify() const; public: - explicit DIType(GlobalVariable *GV); + explicit DIType(MDNode *N); explicit DIType() {} virtual ~DIType() {} DIDescriptor getContext() const { return getDescriptorField(1); } - std::string getName() const { return getStringField(2); } + const std::string &getName(std::string &F) const { + return getStringField(2, F); + } DICompileUnit getCompileUnit() const{ return getFieldAs(3); } unsigned getLineNumber() const { return getUnsignedField(4); } uint64_t getSizeInBits() const { return getUInt64Field(5); } @@ -189,9 +236,22 @@ namespace llvm { // carry this is just plain insane. uint64_t getOffsetInBits() const { return getUInt64Field(7); } unsigned getFlags() const { return getUnsignedField(8); } - bool isPrivate() const { return (getFlags() & FlagPrivate) != 0; } - bool isProtected() const { return (getFlags() & FlagProtected) != 0; } - bool isForwardDecl() const { return (getFlags() & FlagFwdDecl) != 0; } + bool isPrivate() const { + return (getFlags() & FlagPrivate) != 0; + } + bool isProtected() const { + return (getFlags() & FlagProtected) != 0; + } + bool isForwardDecl() const { + return (getFlags() & FlagFwdDecl) != 0; + } + // isAppleBlock - Return true if this is the Apple Blocks extension. + bool isAppleBlockExtension() const { + return (getFlags() & FlagAppleBlock) != 0; + } + bool isBlockByrefStruct() const { + return (getFlags() & FlagBlockByrefStruct) != 0; + } /// dump - print type. void dump() const; @@ -200,7 +260,9 @@ namespace llvm { /// DIBasicType - A basic type, like 'int' or 'float'. class DIBasicType : public DIType { public: - explicit DIBasicType(GlobalVariable *GV); + explicit DIBasicType(MDNode *N = 0) + : DIType(N, dwarf::DW_TAG_base_type) {} + unsigned getEncoding() const { return getUnsignedField(9); } /// dump - print basic type. @@ -211,14 +273,27 @@ namespace llvm { /// a typedef, a pointer or reference, etc. class DIDerivedType : public DIType { protected: - explicit DIDerivedType(GlobalVariable *GV, bool, bool) - : DIType(GV, true, true) {} + explicit DIDerivedType(MDNode *N, bool, bool) + : DIType(N, true, true) {} public: - explicit DIDerivedType(GlobalVariable *GV); + explicit DIDerivedType(MDNode *N = 0) + : DIType(N, true, true) { + if (DbgNode && !isDerivedType()) + DbgNode = 0; + } + DIType getTypeDerivedFrom() const { return getFieldAs(9); } + /// getOriginalTypeSize - If this type is derived from a base type then + /// return base type size. + uint64_t getOriginalTypeSize() const; /// dump - print derived type. void dump() const; + + /// replaceAllUsesWith - Replace all uses of debug info referenced by + /// this descriptor. After this completes, the current debug info value + /// is erased. + void replaceAllUsesWith(DIDescriptor &D); }; /// DICompositeType - This descriptor holds a type that can refer to multiple @@ -226,8 +301,14 @@ namespace llvm { /// FIXME: Why is this a DIDerivedType?? class DICompositeType : public DIDerivedType { public: - explicit DICompositeType(GlobalVariable *GV); + explicit DICompositeType(MDNode *N = 0) + : DIDerivedType(N, true, true) { + if (N && !isCompositeType()) + DbgNode = 0; + } + DIArray getTypeArray() const { return getFieldAs(10); } + unsigned getRunTimeLang() const { return getUnsignedField(11); } /// Verify - Verify that a composite type descriptor is well formed. bool Verify() const; @@ -239,28 +320,22 @@ namespace llvm { /// DIGlobal - This is a common class for global variables and subprograms. class DIGlobal : public DIDescriptor { protected: - explicit DIGlobal(GlobalVariable *GV, unsigned RequiredTag) - : DIDescriptor(GV, RequiredTag) {} - - /// isSubprogram - Return true if the specified tag is legal for - /// DISubprogram. - static bool isSubprogram(unsigned TAG) { - return TAG == dwarf::DW_TAG_subprogram; - } - - /// isGlobalVariable - Return true if the specified tag is legal for - /// DIGlobalVariable. - static bool isGlobalVariable(unsigned TAG) { - return TAG == dwarf::DW_TAG_variable; - } + explicit DIGlobal(MDNode *N, unsigned RequiredTag) + : DIDescriptor(N, RequiredTag) {} public: virtual ~DIGlobal() {} DIDescriptor getContext() const { return getDescriptorField(2); } - std::string getName() const { return getStringField(3); } - std::string getDisplayName() const { return getStringField(4); } - std::string getLinkageName() const { return getStringField(5); } + const std::string &getName(std::string &F) const { + return getStringField(3, F); + } + const std::string &getDisplayName(std::string &F) const { + return getStringField(4, F); + } + const std::string &getLinkageName(std::string &F) const { + return getStringField(5, F); + } DICompileUnit getCompileUnit() const{ return getFieldAs(6); } unsigned getLineNumber() const { return getUnsignedField(7); } DIType getType() const { return getFieldAs(8); } @@ -275,22 +350,70 @@ namespace llvm { }; /// DISubprogram - This is a wrapper for a subprogram (e.g. a function). - class DISubprogram : public DIGlobal { + class DISubprogram : public DIScope { public: - explicit DISubprogram(GlobalVariable *GV = 0); + explicit DISubprogram(MDNode *N = 0) { + DbgNode = N; + if (DbgNode && !isSubprogram()) + DbgNode = 0; + } + + DIDescriptor getContext() const { return getDescriptorField(2); } + const std::string &getName(std::string &F) const { + return getStringField(3, F); + } + const std::string &getDisplayName(std::string &F) const { + return getStringField(4, F); + } + const std::string &getLinkageName(std::string &F) const { + return getStringField(5, F); + } + DICompileUnit getCompileUnit() const{ return getFieldAs(6); } + unsigned getLineNumber() const { return getUnsignedField(7); } DICompositeType getType() const { return getFieldAs(8); } + /// getReturnTypeName - Subprogram return types are encoded either as + /// DIType or as DICompositeType. + const std::string &getReturnTypeName(std::string &F) const { + DICompositeType DCT(getFieldAs(8)); + if (!DCT.isNull()) { + DIArray A = DCT.getTypeArray(); + DIType T(A.getElement(0).getNode()); + return T.getName(F); + } + DIType T(getFieldAs(8)); + return T.getName(F); + } + + /// isLocalToUnit - Return true if this subprogram is local to the current + /// compile unit, like 'static' in C. + unsigned isLocalToUnit() const { return getUnsignedField(9); } + unsigned isDefinition() const { return getUnsignedField(10); } + + const std::string &getFilename(std::string &F) const { + return getCompileUnit().getFilename(F); + } + const std::string &getDirectory(std::string &F) const { + return getCompileUnit().getDirectory(F); + } + /// Verify - Verify that a subprogram descriptor is well formed. bool Verify() const; /// dump - print subprogram. void dump() const; + + /// describes - Return true if this subprogram provides debugging + /// information for the function F. + bool describes(const Function *F); }; /// DIGlobalVariable - This is a wrapper for a global variable. class DIGlobalVariable : public DIGlobal { public: - explicit DIGlobalVariable(GlobalVariable *GV = 0); + explicit DIGlobalVariable(MDNode *N = 0) + : DIGlobal(N, dwarf::DW_TAG_variable) {} + GlobalVariable *getGlobal() const { return getGlobalVariableField(11); } /// Verify - Verify that a global variable descriptor is well formed. @@ -304,38 +427,77 @@ namespace llvm { /// global etc). class DIVariable : public DIDescriptor { public: - explicit DIVariable(GlobalVariable *GV = 0); + explicit DIVariable(MDNode *N = 0) + : DIDescriptor(N) { + if (DbgNode && !isVariable()) + DbgNode = 0; + } DIDescriptor getContext() const { return getDescriptorField(1); } - std::string getName() const { return getStringField(2); } + const std::string &getName(std::string &F) const { + return getStringField(2, F); + } DICompileUnit getCompileUnit() const{ return getFieldAs(3); } unsigned getLineNumber() const { return getUnsignedField(4); } DIType getType() const { return getFieldAs(5); } - /// isVariable - Return true if the specified tag is legal for DIVariable. - static bool isVariable(unsigned Tag); /// Verify - Verify that a variable descriptor is well formed. bool Verify() const; + /// isBlockByrefVariable - Return true if the variable was declared as + /// a "__block" variable (Apple Blocks). + bool isBlockByrefVariable() const { + return getType().isBlockByrefStruct(); + } + /// dump - print variable. void dump() const; }; - /// DIBlock - This is a wrapper for a block (e.g. a function, scope, etc). - class DIBlock : public DIDescriptor { + /// DILexicalBlock - This is a wrapper for a lexical block. + class DILexicalBlock : public DIScope { public: - explicit DIBlock(GlobalVariable *GV = 0); - - DIDescriptor getContext() const { return getDescriptorField(1); } + explicit DILexicalBlock(MDNode *N = 0) { + DbgNode = N; + if (DbgNode && !isLexicalBlock()) + DbgNode = 0; + } + DIScope getContext() const { return getFieldAs(1); } + + const std::string &getFilename(std::string &F) const { + return getContext().getFilename(F); + } + const std::string &getDirectory(std::string &D) const { + return getContext().getDirectory(D); + } + }; + + /// DILocation - This object holds location information. This object + /// is not associated with any DWARF tag. + class DILocation : public DIDescriptor { + public: + explicit DILocation(MDNode *L) { DbgNode = L; } + + unsigned getLineNumber() const { return getUnsignedField(0); } + unsigned getColumnNumber() const { return getUnsignedField(1); } + DIScope getScope() const { return getFieldAs(3); } + DILocation getOrigLocation() const { return getFieldAs(4); } + std::string getFilename(std::string &F) const { + return getScope().getFilename(F); + } + std::string getDirectory(std::string &D) const { + return getScope().getDirectory(D); + } }; /// DIFactory - This object assists with the construction of the various /// descriptors. class DIFactory { Module &M; + LLVMContext& VMContext; + // Cached values for uniquing and faster lookups. - DIAnchor CompileUnitAnchor, SubProgramAnchor, GlobalVariableAnchor; const Type *EmptyStructPtr; // "{}*". Function *StopPointFn; // llvm.dbg.stoppoint Function *FuncStartFn; // llvm.dbg.func.start @@ -350,18 +512,6 @@ namespace llvm { public: explicit DIFactory(Module &m); - /// GetOrCreateCompileUnitAnchor - Return the anchor for compile units, - /// creating a new one if there isn't already one in the module. - DIAnchor GetOrCreateCompileUnitAnchor(); - - /// GetOrCreateSubprogramAnchor - Return the anchor for subprograms, - /// creating a new one if there isn't already one in the module. - DIAnchor GetOrCreateSubprogramAnchor(); - - /// GetOrCreateGlobalVariableAnchor - Return the anchor for globals, - /// creating a new one if there isn't already one in the module. - DIAnchor GetOrCreateGlobalVariableAnchor(); - /// GetOrCreateArray - Create an descriptor for an array of descriptors. /// This implicitly uniques the arrays created. DIArray GetOrCreateArray(DIDescriptor *Tys, unsigned NumTys); @@ -378,7 +528,8 @@ namespace llvm { const std::string &Producer, bool isMain = false, bool isOptimized = false, - const char *Flags = ""); + const char *Flags = "", + unsigned RunTimeVer = 0); /// CreateEnumerator - Create a single enumerator value. DIEnumerator CreateEnumerator(const std::string &Name, uint64_t Val); @@ -409,7 +560,8 @@ namespace llvm { uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags, DIType DerivedFrom, - DIArray Elements); + DIArray Elements, + unsigned RunTimeLang = 0); /// CreateSubprogram - Create a new descriptor for the specified subprogram. /// See comments in DISubprogram for descriptions of these fields. @@ -435,9 +587,13 @@ namespace llvm { DICompileUnit CompileUnit, unsigned LineNo, DIType Type); - /// CreateBlock - This creates a descriptor for a lexical block with the - /// specified parent context. - DIBlock CreateBlock(DIDescriptor Context); + /// CreateLexicalBlock - This creates a descriptor for a lexical block + /// with the specified parent context. + DILexicalBlock CreateLexicalBlock(DIDescriptor Context); + + /// CreateLocation - Creates a debug info location. + DILocation CreateLocation(unsigned LineNo, unsigned ColumnNo, + DIScope S, DILocation OrigLoc); /// InsertStopPoint - Create a new llvm.dbg.stoppoint intrinsic invocation, /// inserting it at the end of the specified basic block. @@ -461,11 +617,6 @@ namespace llvm { private: Constant *GetTagConstant(unsigned TAG); - Constant *GetStringConstant(const std::string &String); - DIAnchor GetOrCreateAnchor(unsigned TAG, const char *Name); - - /// getCastToEmpty - Return the descriptor as a Constant* with type '{}*'. - Constant *getCastToEmpty(DIDescriptor D); }; /// Finds the stoppoint coressponding to this instruction, that is the @@ -479,6 +630,119 @@ namespace llvm { /// Finds the dbg.declare intrinsic corresponding to this value if any. /// It looks through pointer casts too. const DbgDeclareInst *findDbgDeclare(const Value *V, bool stripCasts = true); + + /// Find the debug info descriptor corresponding to this global variable. + Value *findDbgGlobalDeclare(GlobalVariable *V); + + bool getLocationInfo(const Value *V, std::string &DisplayName, + std::string &Type, unsigned &LineNo, std::string &File, + std::string &Dir); + + /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug + /// info intrinsic. + bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI, + CodeGenOpt::Level OptLev); + + /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug + /// info intrinsic. + bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI, + CodeGenOpt::Level OptLev); + + /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug + /// info intrinsic. + bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI, + CodeGenOpt::Level OptLev); + + /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug + /// info intrinsic. + bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI, + CodeGenOpt::Level OptLev); + + /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug + /// info intrinsic. + bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI, + CodeGenOpt::Level OptLev); + + /// ExtractDebugLocation - Extract debug location information + /// from llvm.dbg.stoppoint intrinsic. + DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI, + DebugLocTracker &DebugLocInfo); + + /// ExtractDebugLocation - Extract debug location information + /// from llvm.dbg.func_start intrinsic. + DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI, + DebugLocTracker &DebugLocInfo); + + /// isInlinedFnStart - Return true if FSI is starting an inlined function. + bool isInlinedFnStart(DbgFuncStartInst &FSI, const Function *CurrentFn); + + /// isInlinedFnEnd - Return true if REI is ending an inlined function. + bool isInlinedFnEnd(DbgRegionEndInst &REI, const Function *CurrentFn); + /// DebugInfoFinder - This object collects DebugInfo from a module. + class DebugInfoFinder { + + public: + /// processModule - Process entire module and collect debug info + /// anchors. + void processModule(Module &M); + + private: + /// processType - Process DIType. + void processType(DIType DT); + + /// processSubprogram - Enumberate DISubprogram. + void processSubprogram(DISubprogram SP); + + /// processStopPoint - Process DbgStopPointInst. + void processStopPoint(DbgStopPointInst *SPI); + + /// processFuncStart - Process DbgFuncStartInst. + void processFuncStart(DbgFuncStartInst *FSI); + + /// processRegionStart - Process DbgRegionStart. + void processRegionStart(DbgRegionStartInst *DRS); + + /// processRegionEnd - Process DbgRegionEnd. + void processRegionEnd(DbgRegionEndInst *DRE); + + /// processDeclare - Process DbgDeclareInst. + void processDeclare(DbgDeclareInst *DDI); + + /// addCompileUnit - Add compile unit into CUs. + bool addCompileUnit(DICompileUnit CU); + + /// addGlobalVariable - Add global variable into GVs. + bool addGlobalVariable(DIGlobalVariable DIG); + + // addSubprogram - Add subprgoram into SPs. + bool addSubprogram(DISubprogram SP); + + /// addType - Add type into Tys. + bool addType(DIType DT); + + public: + typedef SmallVector::iterator iterator; + iterator compile_unit_begin() { return CUs.begin(); } + iterator compile_unit_end() { return CUs.end(); } + iterator subprogram_begin() { return SPs.begin(); } + iterator subprogram_end() { return SPs.end(); } + iterator global_variable_begin() { return GVs.begin(); } + iterator global_variable_end() { return GVs.end(); } + iterator type_begin() { return TYs.begin(); } + iterator type_end() { return TYs.end(); } + + unsigned compile_unit_count() { return CUs.size(); } + unsigned global_variable_count() { return GVs.size(); } + unsigned subprogram_count() { return SPs.size(); } + unsigned type_count() { return TYs.size(); } + + private: + SmallVector CUs; // Compile Units + SmallVector SPs; // Subprograms + SmallVector GVs; // Global Variables; + SmallVector TYs; // Types + SmallPtrSet NodesSeen; + }; } // end namespace llvm #endif