[llvm-commits] [llvm] r62199 - in /llvm/trunk: include/llvm/CodeGen/MachineModuleInfo.h lib/CodeGen/AsmPrinter/DwarfWriter.cpp lib/CodeGen/MachineModuleInfo.cpp lib/CodeGen/SelectionDAG/SelectionDAG.cpp
Devang Patel
dpatel at apple.com
Tue Jan 13 15:54:55 PST 2009
Author: dpatel
Date: Tue Jan 13 17:54:55 2009
New Revision: 62199
URL: http://llvm.org/viewvc/llvm-project?rev=62199&view=rev
Log:
Removoe MachineModuleInfo methods (and related DebugInfoDesc class hierarchy) that were used to handle debug info.
Modified:
llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
Modified: llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h?rev=62199&r1=62198&r2=62199&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h Tue Jan 13 17:54:55 2009
@@ -47,7 +47,6 @@
//===----------------------------------------------------------------------===//
// Forward declarations.
class Constant;
-class DebugInfoDesc;
class GlobalVariable;
class MachineBasicBlock;
class MachineFunction;
@@ -67,787 +66,6 @@
};
//===----------------------------------------------------------------------===//
-/// DIVisitor - Subclasses of this class apply steps to each of the fields in
-/// the supplied DebugInfoDesc.
-class DIVisitor {
-public:
- DIVisitor() {}
- virtual ~DIVisitor() {}
-
- /// ApplyToFields - Target the visitor to each field of the debug information
- /// descriptor.
- void ApplyToFields(DebugInfoDesc *DD);
-
- /// Apply - Subclasses override each of these methods to perform the
- /// appropriate action for the type of field.
- virtual void Apply(int &Field) = 0;
- virtual void Apply(unsigned &Field) = 0;
- virtual void Apply(int64_t &Field) = 0;
- virtual void Apply(uint64_t &Field) = 0;
- virtual void Apply(bool &Field) = 0;
- virtual void Apply(std::string &Field) = 0;
- virtual void Apply(DebugInfoDesc *&Field) = 0;
- virtual void Apply(GlobalVariable *&Field) = 0;
- virtual void Apply(std::vector<DebugInfoDesc *> &Field) = 0;
-};
-
-//===----------------------------------------------------------------------===//
-/// DebugInfoDesc - This class is the base class for debug info descriptors.
-///
-class DebugInfoDesc {
-private:
- unsigned Tag; // Content indicator. Dwarf values are
- // used but that does not limit use to
- // Dwarf writers.
-
-protected:
- explicit DebugInfoDesc(unsigned T) : Tag(T | LLVMDebugVersion) {}
-
-public:
- virtual ~DebugInfoDesc() {}
-
- // Accessors
- unsigned getTag() const { return Tag & ~LLVMDebugVersionMask; }
- unsigned getVersion() const { return Tag & LLVMDebugVersionMask; }
- void setTag(unsigned T) { Tag = T | LLVMDebugVersion; }
-
- /// TagFromGlobal - Returns the tag number from a debug info descriptor
- /// GlobalVariable. Return DIIValid if operand is not an unsigned int.
- static unsigned TagFromGlobal(GlobalVariable *GV);
-
- /// VersionFromGlobal - Returns the version number from a debug info
- /// descriptor GlobalVariable. Return DIIValid if operand is not an unsigned
- /// int.
- static unsigned VersionFromGlobal(GlobalVariable *GV);
-
- /// DescFactory - Create an instance of debug info descriptor based on Tag.
- /// Return NULL if not a recognized Tag.
- static DebugInfoDesc *DescFactory(unsigned Tag);
-
- /// getLinkage - get linkage appropriate for this type of descriptor.
- ///
- virtual GlobalValue::LinkageTypes getLinkage() const;
-
- //===--------------------------------------------------------------------===//
- // Subclasses should supply the following static methods.
-
- // Implement isa/cast/dyncast.
- static bool classof(const DebugInfoDesc *) { return true; }
-
- //===--------------------------------------------------------------------===//
- // Subclasses should supply the following virtual methods.
-
- /// ApplyToFields - Target the vistor to the fields of the descriptor.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const = 0;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const = 0;
-
-#ifndef NDEBUG
- virtual void dump() = 0;
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// AnchorDesc - Descriptors of this class act as markers for identifying
-/// descriptors of certain groups.
-class AnchoredDesc;
-class AnchorDesc : public DebugInfoDesc {
-private:
- unsigned AnchorTag; // Tag number of descriptors anchored
- // by this object.
-
-public:
- AnchorDesc();
- explicit AnchorDesc(AnchoredDesc *D);
-
- // Accessors
- unsigned getAnchorTag() const { return AnchorTag; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const AnchorDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// getLinkage - get linkage appropriate for this type of descriptor.
- ///
- virtual GlobalValue::LinkageTypes getLinkage() const;
-
- /// ApplyToFields - Target the visitor to the fields of the AnchorDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// AnchoredDesc - This class manages anchors for a variety of top level
-/// descriptors.
-class AnchoredDesc : public DebugInfoDesc {
-private:
- DebugInfoDesc *Anchor; // Anchor for all descriptors of the
- // same type.
-
-protected:
-
- explicit AnchoredDesc(unsigned T);
-
-public:
- // Accessors.
- AnchorDesc *getAnchor() const { return static_cast<AnchorDesc *>(Anchor); }
- void setAnchor(AnchorDesc *A) { Anchor = static_cast<DebugInfoDesc *>(A); }
-
- //===--------------------------------------------------------------------===//
- // Subclasses should supply the following virtual methods.
-
- /// getAnchorString - Return a string used to label descriptor's anchor.
- ///
- virtual const char *getAnchorString() const = 0;
-
- /// ApplyToFields - Target the visitor to the fields of the AnchoredDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-};
-
-//===----------------------------------------------------------------------===//
-/// CompileUnitDesc - This class packages debug information associated with a
-/// source/header file.
-class CompileUnitDesc : public AnchoredDesc {
-private:
- unsigned Language; // Language number (ex. DW_LANG_C89.)
- std::string FileName; // Source file name.
- std::string Directory; // Source file directory.
- std::string Producer; // Compiler string.
-
-public:
- CompileUnitDesc();
-
-
- // Accessors
- unsigned getLanguage() const { return Language; }
- const std::string &getFileName() const { return FileName; }
- const std::string &getDirectory() const { return Directory; }
- const std::string &getProducer() const { return Producer; }
- void setLanguage(unsigned L) { Language = L; }
- void setFileName(const std::string &FN) { FileName = FN; }
- void setDirectory(const std::string &D) { Directory = D; }
- void setProducer(const std::string &P) { Producer = P; }
-
- // FIXME - Need translation unit getter/setter.
-
- // Implement isa/cast/dyncast.
- static bool classof(const CompileUnitDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
- /// getAnchorString - Return a string used to label this descriptor's anchor.
- ///
- static const char *const AnchorString;
- virtual const char *getAnchorString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// TypeDesc - This class packages debug information associated with a type.
-///
-class TypeDesc : public DebugInfoDesc {
-private:
- enum {
- FlagPrivate = 1 << 0,
- FlagProtected = 1 << 1,
- FlagFwdDecl = 1 << 2
- };
- DebugInfoDesc *Context; // Context debug descriptor.
- std::string Name; // Type name (may be empty.)
- DebugInfoDesc *File; // Defined compile unit (may be NULL.)
- unsigned Line; // Defined line# (may be zero.)
- uint64_t Size; // Type bit size (may be zero.)
- uint64_t Align; // Type bit alignment (may be zero.)
- uint64_t Offset; // Type bit offset (may be zero.)
-
-protected:
- unsigned Flags; // Miscellaneous flags.
-
-public:
- explicit TypeDesc(unsigned T);
-
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- const std::string &getName() const { return Name; }
- CompileUnitDesc *getFile() const {
- return static_cast<CompileUnitDesc *>(File);
- }
- unsigned getLine() const { return Line; }
- uint64_t getSize() const { return Size; }
- uint64_t getAlign() const { return Align; }
- uint64_t getOffset() const { return Offset; }
- bool isPrivate() const {
- return (Flags & FlagPrivate) != 0;
- }
- bool isProtected() const {
- return (Flags & FlagProtected) != 0;
- }
- bool isForwardDecl() const {
- return (Flags & FlagFwdDecl) != 0;
- }
- void setContext(DebugInfoDesc *C) { Context = C; }
- void setName(const std::string &N) { Name = N; }
- void setFile(CompileUnitDesc *U) {
- File = static_cast<DebugInfoDesc *>(U);
- }
- void setLine(unsigned L) { Line = L; }
- void setSize(uint64_t S) { Size = S; }
- void setAlign(uint64_t A) { Align = A; }
- void setOffset(uint64_t O) { Offset = O; }
- void setIsPrivate() { Flags |= FlagPrivate; }
- void setIsProtected() { Flags |= FlagProtected; }
- void setIsForwardDecl() { Flags |= FlagFwdDecl; }
-
- /// ApplyToFields - Target the visitor to the fields of the TypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// BasicTypeDesc - This class packages debug information associated with a
-/// basic type (eg. int, bool, double.)
-class BasicTypeDesc : public TypeDesc {
-private:
- unsigned Encoding; // Type encoding.
-
-public:
- BasicTypeDesc();
-
- // Accessors
- unsigned getEncoding() const { return Encoding; }
- void setEncoding(unsigned E) { Encoding = E; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const BasicTypeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the BasicTypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-
-//===----------------------------------------------------------------------===//
-/// DerivedTypeDesc - This class packages debug information associated with a
-/// derived types (eg., typedef, pointer, reference.)
-class DerivedTypeDesc : public TypeDesc {
-private:
- DebugInfoDesc *FromType; // Type derived from.
-
-public:
- explicit DerivedTypeDesc(unsigned T);
-
- // Accessors
- TypeDesc *getFromType() const {
- return static_cast<TypeDesc *>(FromType);
- }
- void setFromType(TypeDesc *F) {
- FromType = static_cast<DebugInfoDesc *>(F);
- }
-
- // Implement isa/cast/dyncast.
- static bool classof(const DerivedTypeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// CompositeTypeDesc - This class packages debug information associated with a
-/// array/struct types (eg., arrays, struct, union, enums.)
-class CompositeTypeDesc : public DerivedTypeDesc {
-private:
- std::vector<DebugInfoDesc *> Elements;// Information used to compose type.
-
-public:
- explicit CompositeTypeDesc(unsigned T);
-
- // Accessors
- std::vector<DebugInfoDesc *> &getElements() { return Elements; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const CompositeTypeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the CompositeTypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// SubrangeDesc - This class packages debug information associated with integer
-/// value ranges.
-class SubrangeDesc : public DebugInfoDesc {
-private:
- int64_t Lo; // Low value of range.
- int64_t Hi; // High value of range.
-
-public:
- SubrangeDesc();
-
- // Accessors
- int64_t getLo() const { return Lo; }
- int64_t getHi() const { return Hi; }
- void setLo(int64_t L) { Lo = L; }
- void setHi(int64_t H) { Hi = H; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const SubrangeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the SubrangeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// EnumeratorDesc - This class packages debug information associated with
-/// named integer constants.
-class EnumeratorDesc : public DebugInfoDesc {
-private:
- std::string Name; // Enumerator name.
- int64_t Value; // Enumerator value.
-
-public:
- EnumeratorDesc();
-
- // Accessors
- const std::string &getName() const { return Name; }
- int64_t getValue() const { return Value; }
- void setName(const std::string &N) { Name = N; }
- void setValue(int64_t V) { Value = V; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const EnumeratorDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the EnumeratorDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// VariableDesc - This class packages debug information associated with a
-/// subprogram variable.
-///
-class VariableDesc : public DebugInfoDesc {
-private:
- DebugInfoDesc *Context; // Context debug descriptor.
- std::string Name; // Type name (may be empty.)
- DebugInfoDesc *File; // Defined compile unit (may be NULL.)
- unsigned Line; // Defined line# (may be zero.)
- DebugInfoDesc *TyDesc; // Type of variable.
-
-public:
- explicit VariableDesc(unsigned T);
-
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- const std::string &getName() const { return Name; }
- CompileUnitDesc *getFile() const {
- return static_cast<CompileUnitDesc *>(File);
- }
- unsigned getLine() const { return Line; }
- TypeDesc *getType() const {
- return static_cast<TypeDesc *>(TyDesc);
- }
- void setContext(DebugInfoDesc *C) { Context = C; }
- void setName(const std::string &N) { Name = N; }
- void setFile(CompileUnitDesc *U) {
- File = static_cast<DebugInfoDesc *>(U);
- }
- void setLine(unsigned L) { Line = L; }
- void setType(TypeDesc *T) {
- TyDesc = static_cast<DebugInfoDesc *>(T);
- }
-
- // Implement isa/cast/dyncast.
- static bool classof(const VariableDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the VariableDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// GlobalDesc - This class is the base descriptor for global functions and
-/// variables.
-class GlobalDesc : public AnchoredDesc {
-private:
- DebugInfoDesc *Context; // Context debug descriptor.
- std::string Name; // Global name.
- std::string FullName; // Fully qualified name.
- std::string LinkageName; // Name for binding to MIPS linkage.
- DebugInfoDesc *File; // Defined compile unit (may be NULL.)
- unsigned Line; // Defined line# (may be zero.)
- DebugInfoDesc *TyDesc; // Type debug descriptor.
- bool IsStatic; // Is the global a static.
- bool IsDefinition; // Is the global defined in context.
-
-protected:
- explicit GlobalDesc(unsigned T);
-
-public:
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- const std::string &getName() const { return Name; }
- const std::string &getFullName() const { return FullName; }
- const std::string &getLinkageName() const { return LinkageName; }
- CompileUnitDesc *getFile() const {
- return static_cast<CompileUnitDesc *>(File);
- }
- unsigned getLine() const { return Line; }
- TypeDesc *getType() const {
- return static_cast<TypeDesc *>(TyDesc);
- }
- bool isStatic() const { return IsStatic; }
- bool isDefinition() const { return IsDefinition; }
- void setContext(DebugInfoDesc *C) { Context = C; }
- void setName(const std::string &N) { Name = N; }
- void setFullName(const std::string &N) { FullName = N; }
- void setLinkageName(const std::string &N) { LinkageName = N; }
- void setFile(CompileUnitDesc *U) {
- File = static_cast<DebugInfoDesc *>(U);
- }
- void setLine(unsigned L) { Line = L; }
- void setType(TypeDesc *T) {
- TyDesc = static_cast<DebugInfoDesc *>(T);
- }
- void setIsStatic(bool IS) { IsStatic = IS; }
- void setIsDefinition(bool ID) { IsDefinition = ID; }
-
- /// ApplyToFields - Target the visitor to the fields of the GlobalDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-};
-
-//===----------------------------------------------------------------------===//
-/// GlobalVariableDesc - This class packages debug information associated with a
-/// GlobalVariable.
-class GlobalVariableDesc : public GlobalDesc {
-private:
- GlobalVariable *Global; // llvm global.
-
-public:
- GlobalVariableDesc();
-
- // Accessors.
- GlobalVariable *getGlobalVariable() const { return Global; }
- void setGlobalVariable(GlobalVariable *GV) { Global = GV; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const GlobalVariableDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the
- /// GlobalVariableDesc.
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
- /// getAnchorString - Return a string used to label this descriptor's anchor.
- ///
- static const char *const AnchorString;
- virtual const char *getAnchorString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// SubprogramDesc - This class packages debug information associated with a
-/// subprogram/function.
-class SubprogramDesc : public GlobalDesc {
-private:
-
-public:
- SubprogramDesc();
-
- // Accessors
-
- // Implement isa/cast/dyncast.
- static bool classof(const SubprogramDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the SubprogramDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
- /// getAnchorString - Return a string used to label this descriptor's anchor.
- ///
- static const char *const AnchorString;
- virtual const char *getAnchorString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// BlockDesc - This descriptor groups variables and blocks nested in a block.
-///
-class BlockDesc : public DebugInfoDesc {
-private:
- DebugInfoDesc *Context; // Context debug descriptor.
-
-public:
- BlockDesc();
-
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- void setContext(DebugInfoDesc *C) { Context = C; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const BlockDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the BlockDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// DIDeserializer - This class is responsible for casting GlobalVariables
-/// into DebugInfoDesc objects.
-class DIDeserializer {
- // Previously defined gloabls.
- std::map<GlobalVariable*, DebugInfoDesc*> GlobalDescs;
-public:
- const std::map<GlobalVariable *, DebugInfoDesc *> &getGlobalDescs() const {
- return GlobalDescs;
- }
-
- /// Deserialize - Reconstitute a GlobalVariable into it's component
- /// DebugInfoDesc objects.
- DebugInfoDesc *Deserialize(Value *V);
- DebugInfoDesc *Deserialize(GlobalVariable *GV);
-};
-
-//===----------------------------------------------------------------------===//
-/// DISerializer - This class is responsible for casting DebugInfoDesc objects
-/// into GlobalVariables.
-class DISerializer {
- Module *M; // Definition space module.
- PointerType *StrPtrTy; // A "i8*" type. Created lazily.
- PointerType *EmptyStructPtrTy; // A "{ }*" type. Created lazily.
-
- // Types per Tag. Created lazily.
- std::map<unsigned, StructType *> TagTypes;
-
- // Previously defined descriptors.
- DenseMap<DebugInfoDesc *, GlobalVariable *> DescGlobals;
-
- // Previously defined strings.
- StringMap<Constant*> StringCache;
-public:
- DISerializer()
- : M(NULL), StrPtrTy(NULL), EmptyStructPtrTy(NULL), TagTypes(),
- DescGlobals(), StringCache()
- {}
-
- // Accessors
- Module *getModule() const { return M; };
- void setModule(Module *module) { M = module; }
-
- /// getStrPtrType - Return a "i8*" type.
- ///
- const PointerType *getStrPtrType();
-
- /// getEmptyStructPtrType - Return a "{ }*" type.
- ///
- const PointerType *getEmptyStructPtrType();
-
- /// getTagType - Return the type describing the specified descriptor (via
- /// tag.)
- const StructType *getTagType(DebugInfoDesc *DD);
-
- /// getString - Construct the string as constant string global.
- ///
- Constant *getString(const std::string &String);
-
- /// Serialize - Recursively cast the specified descriptor into a
- /// GlobalVariable so that it can be serialized to a .bc or .ll file.
- GlobalVariable *Serialize(DebugInfoDesc *DD);
-
- /// addDescriptor - Directly connect DD with existing GV.
- void addDescriptor(DebugInfoDesc *DD, GlobalVariable *GV);
-};
-
-//===----------------------------------------------------------------------===//
-/// DIVerifier - This class is responsible for verifying the given network of
-/// GlobalVariables are valid as DebugInfoDesc objects.
-class DIVerifier {
- enum {
- Unknown = 0,
- Invalid,
- Valid
- };
- DenseMap<GlobalVariable *, unsigned> Validity; // Tracks prior results.
- std::map<unsigned, unsigned> Counts; // Count of fields per Tag type.
-public:
- DIVerifier()
- : Validity(), Counts()
- {}
-
- /// Verify - Return true if the GlobalVariable appears to be a valid
- /// serialization of a DebugInfoDesc.
- bool Verify(Value *V);
- bool Verify(GlobalVariable *GV);
-
- /// isVerified - Return true if the specified GV has already been
- /// verified as a debug information descriptor.
- bool isVerified(GlobalVariable *GV);
-};
-
-//===----------------------------------------------------------------------===//
/// SourceLineInfo - This class is used to record source line correspondence.
///
class SourceLineInfo {
@@ -867,95 +85,6 @@
};
//===----------------------------------------------------------------------===//
-/// SourceFileInfo - This class is used to track source information.
-///
-class SourceFileInfo {
- unsigned DirectoryID; // Directory ID number.
- std::string Name; // File name (not including directory.)
-public:
- SourceFileInfo(unsigned D, const std::string &N) : DirectoryID(D), Name(N) {}
-
- // Accessors
- unsigned getDirectoryID() const { return DirectoryID; }
- const std::string &getName() const { return Name; }
-
- /// operator== - Used by UniqueVector to locate entry.
- ///
- bool operator==(const SourceFileInfo &SI) const {
- return getDirectoryID() == SI.getDirectoryID() && getName() == SI.getName();
- }
-
- /// operator< - Used by UniqueVector to locate entry.
- ///
- bool operator<(const SourceFileInfo &SI) const {
- return getDirectoryID() < SI.getDirectoryID() ||
- (getDirectoryID() == SI.getDirectoryID() && getName() < SI.getName());
- }
-};
-
-//===----------------------------------------------------------------------===//
-/// DebugVariable - This class is used to track local variable information.
-///
-class DebugVariable {
-private:
- VariableDesc *Desc; // Variable Descriptor.
- unsigned FrameIndex; // Variable frame index.
-
-public:
- DebugVariable(VariableDesc *D, unsigned I)
- : Desc(D)
- , FrameIndex(I)
- {}
-
- // Accessors.
- VariableDesc *getDesc() const { return Desc; }
- unsigned getFrameIndex() const { return FrameIndex; }
-};
-
-//===----------------------------------------------------------------------===//
-/// DebugScope - This class is used to track scope information.
-///
-class DebugScope {
-private:
- DebugScope *Parent; // Parent to this scope.
- DebugInfoDesc *Desc; // Debug info descriptor for scope.
- // Either subprogram or block.
- unsigned StartLabelID; // Label ID of the beginning of scope.
- unsigned EndLabelID; // Label ID of the end of scope.
- std::vector<DebugScope *> Scopes; // Scopes defined in scope.
- std::vector<DebugVariable *> Variables;// Variables declared in scope.
-
-public:
- DebugScope(DebugScope *P, DebugInfoDesc *D)
- : Parent(P)
- , Desc(D)
- , StartLabelID(0)
- , EndLabelID(0)
- , Scopes()
- , Variables()
- {}
- ~DebugScope();
-
- // Accessors.
- DebugScope *getParent() const { return Parent; }
- DebugInfoDesc *getDesc() const { return Desc; }
- unsigned getStartLabelID() const { return StartLabelID; }
- unsigned getEndLabelID() const { return EndLabelID; }
- std::vector<DebugScope *> &getScopes() { return Scopes; }
- std::vector<DebugVariable *> &getVariables() { return Variables; }
- void setStartLabelID(unsigned S) { StartLabelID = S; }
- void setEndLabelID(unsigned E) { EndLabelID = E; }
-
- /// AddScope - Add a scope to the scope.
- ///
- void AddScope(DebugScope *S) { Scopes.push_back(S); }
-
- /// AddVariable - Add a variable to the scope.
- ///
- void AddVariable(DebugVariable *V) { Variables.push_back(V); }
-};
-
-//===----------------------------------------------------------------------===//
/// LandingPadInfo - This structure is used to retain landing pad info for
/// the current function.
///
@@ -981,19 +110,6 @@
///
class MachineModuleInfo : public ImmutablePass {
private:
- // Use the same deserializer/verifier for the module.
- DIDeserializer DR;
- DIVerifier VR;
-
- // CompileUnits - Uniquing vector for compile units.
- UniqueVector<CompileUnitDesc *> CompileUnits;
-
- // Directories - Uniquing vector for directories.
- UniqueVector<std::string> Directories;
-
- // SourceFiles - Uniquing vector for source files.
- UniqueVector<SourceFileInfo> SourceFiles;
-
// Lines - List of of source line correspondence.
std::vector<SourceLineInfo> Lines;
@@ -1003,13 +119,6 @@
// another label.
std::vector<unsigned> LabelIDList;
- // ScopeMap - Tracks the scopes in the current function.
- std::map<DebugInfoDesc *, DebugScope *> ScopeMap;
-
- // RootScope - Top level scope for the current function.
- //
- DebugScope *RootScope;
-
// FrameMoves - List of moves done by a function's prolog. Used to construct
// frame maps by debug and exception handling consumers.
std::vector<MachineMove> FrameMoves;
@@ -1067,19 +176,6 @@
///
void EndFunction();
- /// getDescFor - Convert a Value to a debug information descriptor.
- ///
- // FIXME - use new Value type when available.
- DebugInfoDesc *getDescFor(Value *V);
-
- /// Verify - Verify that a Value is debug information descriptor.
- ///
- bool Verify(Value *V) { return VR.Verify(V); }
-
- /// isVerified - Return true if the specified GV has already been
- /// verified as a debug information descriptor.
- bool isVerified(GlobalVariable *GV) { return VR.isVerified(GV); }
-
/// AnalyzeModule - Scan the module for global debug information.
///
void AnalyzeModule(Module &M);
@@ -1132,82 +228,12 @@
return LabelID ? LabelIDList[LabelID - 1] : 0;
}
- /// RecordSource - Register a source file with debug info. Returns an source
- /// ID.
- unsigned RecordSource(const std::string &Directory,
- const std::string &Source);
- unsigned RecordSource(const CompileUnitDesc *CompileUnit);
-
- /// getDirectories - Return the UniqueVector of std::string representing
- /// directories.
- const UniqueVector<std::string> &getDirectories() const {
- return Directories;
- }
-
- /// getSourceFiles - Return the UniqueVector of source files.
- ///
- const UniqueVector<SourceFileInfo> &getSourceFiles() const {
- return SourceFiles;
- }
-
/// getSourceLines - Return a vector of source lines.
///
const std::vector<SourceLineInfo> &getSourceLines() const {
return Lines;
}
- /// SetupCompileUnits - Set up the unique vector of compile units.
- ///
- void SetupCompileUnits(Module &M);
-
- /// getCompileUnits - Return a vector of debug compile units.
- ///
- const UniqueVector<CompileUnitDesc *> getCompileUnits() const;
-
- /// getGlobalVariablesUsing - Return all of the GlobalVariables that use the
- /// named GlobalVariable.
- void getGlobalVariablesUsing(Module &M, const std::string &RootName,
- std::vector<GlobalVariable*> &Result);
-
- /// getAnchoredDescriptors - Return a vector of anchored debug descriptors.
- ///
- template <class T>
- void getAnchoredDescriptors(Module &M, std::vector<T*> &AnchoredDescs) {
- T Desc;
- std::vector<GlobalVariable *> Globals;
- getGlobalVariablesUsing(M, Desc.getAnchorString(), Globals);
-
- for (unsigned i = 0, N = Globals.size(); i < N; ++i) {
- GlobalVariable *GV = Globals[i];
-
- // FIXME - In the short term, changes are too drastic to continue.
- if (DebugInfoDesc::TagFromGlobal(GV) == Desc.getTag() &&
- DebugInfoDesc::VersionFromGlobal(GV) == LLVMDebugVersion) {
- AnchoredDescs.push_back(cast<T>(DR.Deserialize(GV)));
- }
- }
- }
-
- /// RecordRegionStart - Indicate the start of a region.
- ///
- unsigned RecordRegionStart(Value *V);
-
- /// RecordRegionEnd - Indicate the end of a region.
- ///
- unsigned RecordRegionEnd(Value *V);
-
- /// RecordVariable - Indicate the declaration of a local variable.
- ///
- void RecordVariable(GlobalValue *GV, unsigned FrameIndex);
-
- /// getRootScope - Return current functions root scope.
- ///
- DebugScope *getRootScope() { return RootScope; }
-
- /// getOrCreateScope - Returns the scope associated with the given descriptor.
- ///
- DebugScope *getOrCreateScope(DebugInfoDesc *ScopeDesc);
-
/// getFrameMoves - Returns a reference to a list of moves done in the current
/// function's prologue. Used to construct frame maps for debug and exception
/// handling comsumers.
@@ -1294,7 +320,6 @@
/// of one is required to emit exception handling info.
Function *getPersonality() const;
- DIDeserializer *getDIDeserializer() { return &DR; }
}; // End class MachineModuleInfo
} // End llvm namespace
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfWriter.cpp?rev=62199&r1=62198&r2=62199&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfWriter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfWriter.cpp Tue Jan 13 17:54:55 2009
@@ -749,10 +749,6 @@
/// with a source file.
class CompileUnit {
private:
- /// Desc - Compile unit debug descriptor.
- ///
- CompileUnitDesc *Desc;
-
/// ID - File identifier for source.
///
unsigned ID;
@@ -761,14 +757,12 @@
///
DIE *Die;
- /// DescToDieMap - Tracks the mapping of unit level debug informaton
- /// descriptors to debug information entries.
- std::map<DebugInfoDesc *, DIE *> DescToDieMap;
+ /// GVToDieMap - Tracks the mapping of unit level debug informaton
+ /// variables to debug information entries.
DenseMap<GlobalVariable *, DIE *> GVToDieMap;
- /// DescToDIEntryMap - Tracks the mapping of unit level debug informaton
+ /// GVToDIEntryMap - Tracks the mapping of unit level debug informaton
/// descriptors to debug information entries using a DIEntry proxy.
- std::map<DebugInfoDesc *, DIEntry *> DescToDIEntryMap;
DenseMap<GlobalVariable *, DIEntry *> GVToDIEntryMap;
/// Globals - A map of globally visible named entities for this unit.
@@ -785,23 +779,10 @@
public:
CompileUnit(unsigned I, DIE *D)
- : ID(I), Die(D), DescToDieMap(), GVToDieMap(), DescToDIEntryMap(),
+ : ID(I), Die(D), GVToDieMap(),
GVToDIEntryMap(), Globals(), DiesSet(InitDiesSetSize), Dies()
{}
- CompileUnit(CompileUnitDesc *CUD, unsigned I, DIE *D)
- : Desc(CUD)
- , ID(I)
- , Die(D)
- , DescToDieMap()
- , GVToDieMap()
- , DescToDIEntryMap()
- , GVToDIEntryMap()
- , Globals()
- , DiesSet(InitDiesSetSize)
- , Dies()
- {}
-
~CompileUnit() {
delete Die;
@@ -810,7 +791,6 @@
}
// Accessors.
- CompileUnitDesc *getDesc() const { return Desc; }
unsigned getID() const { return ID; }
DIE* getDie() const { return Die; }
std::map<std::string, DIE *> &getGlobals() { return Globals; }
@@ -828,19 +808,13 @@
}
/// getDieMapSlotFor - Returns the debug information entry map slot for the
- /// specified debug descriptor.
- DIE *&getDieMapSlotFor(DebugInfoDesc *DID) {
- return DescToDieMap[DID];
- }
+ /// specified debug variable.
DIE *&getDieMapSlotFor(GlobalVariable *GV) {
return GVToDieMap[GV];
}
/// getDIEntrySlotFor - Returns the debug information entry proxy slot for the
- /// specified debug descriptor.
- DIEntry *&getDIEntrySlotFor(DebugInfoDesc *DID) {
- return DescToDIEntryMap[DID];
- }
+ /// specified debug variable.
DIEntry *&getDIEntrySlotFor(GlobalVariable *GV) {
return GVToDIEntryMap[GV];
}
@@ -1204,7 +1178,7 @@
/// operator== - Used by UniqueVector to locate entry.
///
- bool operator==(const SourceFileInfo &SI) const {
+ bool operator==(const SrcFileInfo &SI) const {
return getDirectoryID() == SI.getDirectoryID() && getName() == SI.getName();
}
@@ -1317,10 +1291,6 @@
///
UniqueVector<std::string> StringPool;
- /// UnitMap - Map debug information descriptor to compile unit.
- ///
- std::map<DebugInfoDesc *, CompileUnit *> DescToUnitMap;
-
/// SectionMap - Provides a unique id per text section.
///
UniqueVector<const Section*> SectionMap;
@@ -1574,17 +1544,6 @@
/// AddSourceLine - Add location information to specified debug information
/// entry.
- void AddSourceLine(DIE *Die, CompileUnitDesc *File, unsigned Line) {
- if (File && Line) {
- CompileUnit *FileUnit = FindCompileUnit(File);
- unsigned FileID = FileUnit->getID();
- AddUInt(Die, DW_AT_decl_file, 0, FileID);
- AddUInt(Die, DW_AT_decl_line, 0, Line);
- }
- }
-
- /// AddSourceLine - Add location information to specified debug information
- /// entry.
void AddSourceLine(DIE *Die, DIVariable *V) {
unsigned FileID = 0;
unsigned Line = V->getLineNumber();
@@ -1690,46 +1649,6 @@
}
/// AddType - Add a new type attribute to the specified entity.
- ///
- void AddType(DIE *Entity, TypeDesc *TyDesc, CompileUnit *Unit) {
- if (!TyDesc) {
- AddBasicType(Entity, Unit, "", DW_ATE_signed, sizeof(int32_t));
- } else {
- // Check for pre-existence.
- DIEntry *&Slot = Unit->getDIEntrySlotFor(TyDesc);
-
- // If it exists then use the existing value.
- if (Slot) {
- Entity->AddValue(DW_AT_type, DW_FORM_ref4, Slot);
- return;
- }
-
- if (SubprogramDesc *SubprogramTy = dyn_cast<SubprogramDesc>(TyDesc)) {
- // FIXME - Not sure why programs and variables are coming through here.
- // Short cut for handling subprogram types (not really a TyDesc.)
- AddPointerType(Entity, Unit, SubprogramTy->getName());
- } else if (GlobalVariableDesc *GlobalTy =
- dyn_cast<GlobalVariableDesc>(TyDesc)) {
- // FIXME - Not sure why programs and variables are coming through here.
- // Short cut for handling global variable types (not really a TyDesc.)
- AddPointerType(Entity, Unit, GlobalTy->getName());
- } else {
- // Set up proxy.
- Slot = NewDIEntry();
-
- // Construct type.
- DIE Buffer(DW_TAG_base_type);
- ConstructType(Buffer, TyDesc, Unit);
-
- // Add debug information entry to entity and unit.
- DIE *Die = Unit->AddDie(Buffer);
- SetDIEntry(Slot, Die);
- Entity->AddValue(DW_AT_type, DW_FORM_ref4, Slot);
- }
- }
- }
-
- /// AddType - Add a new type attribute to the specified entity.
void AddType(CompileUnit *DW_Unit, DIE *Entity, DIType Ty) {
if (Ty.isNull()) {
AddBasicType(Entity, DW_Unit, "", DW_ATE_signed, sizeof(int32_t));
@@ -2040,332 +1959,6 @@
Buffer.AddChild(MemberDie);
}
- /// ConstructType - Adds all the required attributes to the type.
- ///
- void ConstructType(DIE &Buffer, TypeDesc *TyDesc, CompileUnit *Unit) {
- // Get core information.
- const std::string &Name = TyDesc->getName();
- uint64_t Size = TyDesc->getSize() >> 3;
-
- if (BasicTypeDesc *BasicTy = dyn_cast<BasicTypeDesc>(TyDesc)) {
- // Fundamental types like int, float, bool
- Buffer.setTag(DW_TAG_base_type);
- AddUInt(&Buffer, DW_AT_encoding, DW_FORM_data1, BasicTy->getEncoding());
- } else if (DerivedTypeDesc *DerivedTy = dyn_cast<DerivedTypeDesc>(TyDesc)) {
- // Fetch tag.
- unsigned Tag = DerivedTy->getTag();
- // FIXME - Workaround for templates.
- if (Tag == DW_TAG_inheritance) Tag = DW_TAG_reference_type;
- // Pointers, typedefs et al.
- Buffer.setTag(Tag);
- // Map to main type, void will not have a type.
- if (TypeDesc *FromTy = DerivedTy->getFromType())
- AddType(&Buffer, FromTy, Unit);
- } else if (CompositeTypeDesc *CompTy = dyn_cast<CompositeTypeDesc>(TyDesc)){
- // Fetch tag.
- unsigned Tag = CompTy->getTag();
-
- // Set tag accordingly.
- if (Tag == DW_TAG_vector_type)
- Buffer.setTag(DW_TAG_array_type);
- else
- Buffer.setTag(Tag);
-
- std::vector<DebugInfoDesc *> &Elements = CompTy->getElements();
-
- switch (Tag) {
- case DW_TAG_vector_type:
- AddUInt(&Buffer, DW_AT_GNU_vector, DW_FORM_flag, 1);
- // Fall thru
- case DW_TAG_array_type: {
- // Add element type.
- if (TypeDesc *FromTy = CompTy->getFromType())
- AddType(&Buffer, FromTy, Unit);
-
- // Don't emit size attribute.
- Size = 0;
-
- // Construct an anonymous type for index type.
- DIE Buffer(DW_TAG_base_type);
- AddUInt(&Buffer, DW_AT_byte_size, 0, sizeof(int32_t));
- AddUInt(&Buffer, DW_AT_encoding, DW_FORM_data1, DW_ATE_signed);
- DIE *IndexTy = Unit->AddDie(Buffer);
-
- // Add subranges to array type.
- for (unsigned i = 0, N = Elements.size(); i < N; ++i) {
- SubrangeDesc *SRD = cast<SubrangeDesc>(Elements[i]);
- int64_t Lo = SRD->getLo();
- int64_t Hi = SRD->getHi();
- DIE *Subrange = new DIE(DW_TAG_subrange_type);
-
- // If a range is available.
- if (Lo != Hi) {
- AddDIEntry(Subrange, DW_AT_type, DW_FORM_ref4, IndexTy);
- // Only add low if non-zero.
- if (Lo) AddSInt(Subrange, DW_AT_lower_bound, 0, Lo);
- AddSInt(Subrange, DW_AT_upper_bound, 0, Hi);
- }
-
- Buffer.AddChild(Subrange);
- }
- break;
- }
- case DW_TAG_structure_type:
- case DW_TAG_union_type: {
- // Add elements to structure type.
- for (unsigned i = 0, N = Elements.size(); i < N; ++i) {
- DebugInfoDesc *Element = Elements[i];
-
- if (DerivedTypeDesc *MemberDesc = dyn_cast<DerivedTypeDesc>(Element)){
- // Add field or base class.
- unsigned Tag = MemberDesc->getTag();
-
- // Extract the basic information.
- const std::string &Name = MemberDesc->getName();
- uint64_t Size = MemberDesc->getSize();
- uint64_t Align = MemberDesc->getAlign();
- uint64_t Offset = MemberDesc->getOffset();
-
- // Construct member debug information entry.
- DIE *Member = new DIE(Tag);
-
- // Add name if not "".
- if (!Name.empty())
- AddString(Member, DW_AT_name, DW_FORM_string, Name);
-
- // Add location if available.
- AddSourceLine(Member, MemberDesc->getFile(), MemberDesc->getLine());
-
- // Most of the time the field info is the same as the members.
- uint64_t FieldSize = Size;
- uint64_t FieldAlign = Align;
- uint64_t FieldOffset = Offset;
-
- // Set the member type.
- TypeDesc *FromTy = MemberDesc->getFromType();
- AddType(Member, FromTy, Unit);
-
- // Walk up typedefs until a real size is found.
- while (FromTy) {
- if (FromTy->getTag() != DW_TAG_typedef) {
- FieldSize = FromTy->getSize();
- FieldAlign = FromTy->getAlign();
- break;
- }
-
- FromTy = cast<DerivedTypeDesc>(FromTy)->getFromType();
- }
-
- // Unless we have a bit field.
- if (Tag == DW_TAG_member && FieldSize != Size) {
- // Construct the alignment mask.
- uint64_t AlignMask = ~(FieldAlign - 1);
- // Determine the high bit + 1 of the declared size.
- uint64_t HiMark = (Offset + FieldSize) & AlignMask;
- // Work backwards to determine the base offset of the field.
- FieldOffset = HiMark - FieldSize;
- // Now normalize offset to the field.
- Offset -= FieldOffset;
-
- // Maybe we need to work from the other end.
- if (TD->isLittleEndian()) Offset = FieldSize - (Offset + Size);
-
- // Add size and offset.
- AddUInt(Member, DW_AT_byte_size, 0, FieldSize >> 3);
- AddUInt(Member, DW_AT_bit_size, 0, Size);
- AddUInt(Member, DW_AT_bit_offset, 0, Offset);
- }
-
- // Add computation for offset.
- DIEBlock *Block = new DIEBlock();
- AddUInt(Block, 0, DW_FORM_data1, DW_OP_plus_uconst);
- AddUInt(Block, 0, DW_FORM_udata, FieldOffset >> 3);
- AddBlock(Member, DW_AT_data_member_location, 0, Block);
-
- // Add accessibility (public default unless is base class.
- if (MemberDesc->isProtected()) {
- AddUInt(Member, DW_AT_accessibility, 0, DW_ACCESS_protected);
- } else if (MemberDesc->isPrivate()) {
- AddUInt(Member, DW_AT_accessibility, 0, DW_ACCESS_private);
- } else if (Tag == DW_TAG_inheritance) {
- AddUInt(Member, DW_AT_accessibility, 0, DW_ACCESS_public);
- }
-
- Buffer.AddChild(Member);
- } else if (GlobalVariableDesc *StaticDesc =
- dyn_cast<GlobalVariableDesc>(Element)) {
- // Add static member.
-
- // Construct member debug information entry.
- DIE *Static = new DIE(DW_TAG_variable);
-
- // Add name and mangled name.
- const std::string &Name = StaticDesc->getName();
- const std::string &LinkageName = StaticDesc->getLinkageName();
- AddString(Static, DW_AT_name, DW_FORM_string, Name);
- if (!LinkageName.empty()) {
- AddString(Static, DW_AT_MIPS_linkage_name, DW_FORM_string,
- LinkageName);
- }
-
- // Add location.
- AddSourceLine(Static, StaticDesc->getFile(), StaticDesc->getLine());
-
- // Add type.
- if (TypeDesc *StaticTy = StaticDesc->getType())
- AddType(Static, StaticTy, Unit);
-
- // Add flags.
- if (!StaticDesc->isStatic())
- AddUInt(Static, DW_AT_external, DW_FORM_flag, 1);
- AddUInt(Static, DW_AT_declaration, DW_FORM_flag, 1);
-
- Buffer.AddChild(Static);
- } else if (SubprogramDesc *MethodDesc =
- dyn_cast<SubprogramDesc>(Element)) {
- // Add member function.
-
- // Construct member debug information entry.
- DIE *Method = new DIE(DW_TAG_subprogram);
-
- // Add name and mangled name.
- const std::string &Name = MethodDesc->getName();
- const std::string &LinkageName = MethodDesc->getLinkageName();
-
- AddString(Method, DW_AT_name, DW_FORM_string, Name);
- bool IsCTor = TyDesc->getName() == Name;
-
- if (!LinkageName.empty()) {
- AddString(Method, DW_AT_MIPS_linkage_name, DW_FORM_string,
- LinkageName);
- }
-
- // Add location.
- AddSourceLine(Method, MethodDesc->getFile(), MethodDesc->getLine());
-
- // Add type.
- if (CompositeTypeDesc *MethodTy =
- dyn_cast_or_null<CompositeTypeDesc>(MethodDesc->getType())) {
- // Get argument information.
- std::vector<DebugInfoDesc *> &Args = MethodTy->getElements();
-
- // If not a ctor.
- if (!IsCTor) {
- // Add return type.
- AddType(Method, dyn_cast<TypeDesc>(Args[0]), Unit);
- }
-
- // Add arguments.
- for (unsigned i = 1, N = Args.size(); i < N; ++i) {
- DIE *Arg = new DIE(DW_TAG_formal_parameter);
- AddType(Arg, cast<TypeDesc>(Args[i]), Unit);
- AddUInt(Arg, DW_AT_artificial, DW_FORM_flag, 1);
- Method->AddChild(Arg);
- }
- }
-
- // Add flags.
- if (!MethodDesc->isStatic())
- AddUInt(Method, DW_AT_external, DW_FORM_flag, 1);
- AddUInt(Method, DW_AT_declaration, DW_FORM_flag, 1);
-
- Buffer.AddChild(Method);
- }
- }
- break;
- }
- case DW_TAG_enumeration_type: {
- // Add enumerators to enumeration type.
- for (unsigned i = 0, N = Elements.size(); i < N; ++i) {
- EnumeratorDesc *ED = cast<EnumeratorDesc>(Elements[i]);
- const std::string &Name = ED->getName();
- int64_t Value = ED->getValue();
- DIE *Enumerator = new DIE(DW_TAG_enumerator);
- AddString(Enumerator, DW_AT_name, DW_FORM_string, Name);
- AddSInt(Enumerator, DW_AT_const_value, DW_FORM_sdata, Value);
- Buffer.AddChild(Enumerator);
- }
-
- break;
- }
- case DW_TAG_subroutine_type: {
- // Add prototype flag.
- AddUInt(&Buffer, DW_AT_prototyped, DW_FORM_flag, 1);
- // Add return type.
- AddType(&Buffer, dyn_cast<TypeDesc>(Elements[0]), Unit);
-
- // Add arguments.
- for (unsigned i = 1, N = Elements.size(); i < N; ++i) {
- DIE *Arg = new DIE(DW_TAG_formal_parameter);
- AddType(Arg, cast<TypeDesc>(Elements[i]), Unit);
- Buffer.AddChild(Arg);
- }
-
- break;
- }
- default: break;
- }
- }
-
- // Add name if not anonymous or intermediate type.
- if (!Name.empty()) AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
-
- // Add size if non-zero (derived types might be zero-sized.)
- if (Size)
- AddUInt(&Buffer, DW_AT_byte_size, 0, Size);
- else if (isa<CompositeTypeDesc>(TyDesc)) {
- // If TyDesc is a composite type, then add size even if it's zero unless
- // it's a forward declaration.
- if (TyDesc->isForwardDecl())
- AddUInt(&Buffer, DW_AT_declaration, DW_FORM_flag, 1);
- else
- AddUInt(&Buffer, DW_AT_byte_size, 0, 0);
- }
-
- // Add source line info if available and TyDesc is not a forward
- // declaration.
- if (!TyDesc->isForwardDecl())
- AddSourceLine(&Buffer, TyDesc->getFile(), TyDesc->getLine());
- }
-
- /// NewCompileUnit - Create new compile unit and it's debug information entry.
- ///
- CompileUnit *NewCompileUnit(CompileUnitDesc *UnitDesc, unsigned ID) {
- // Construct debug information entry.
- DIE *Die = new DIE(DW_TAG_compile_unit);
- AddSectionOffset(Die, DW_AT_stmt_list, DW_FORM_data4,
- DWLabel("section_line", 0), DWLabel("section_line", 0), false);
- AddString(Die, DW_AT_producer, DW_FORM_string, UnitDesc->getProducer());
- AddUInt (Die, DW_AT_language, DW_FORM_data1, UnitDesc->getLanguage());
- AddString(Die, DW_AT_name, DW_FORM_string, UnitDesc->getFileName());
- if (!UnitDesc->getDirectory().empty())
- AddString(Die, DW_AT_comp_dir, DW_FORM_string, UnitDesc->getDirectory());
-
- // Construct compile unit.
- CompileUnit *Unit = new CompileUnit(UnitDesc, ID, Die);
-
- // Add Unit to compile unit map.
- DescToUnitMap[UnitDesc] = Unit;
-
- return Unit;
- }
-
- /// GetBaseCompileUnit - Get the main compile unit.
- ///
- CompileUnit *GetBaseCompileUnit() const {
- CompileUnit *Unit = CompileUnits[0];
- assert(Unit && "Missing compile unit.");
- return Unit;
- }
-
- /// FindCompileUnit - Get the compile unit for the given descriptor.
- ///
- CompileUnit *FindCompileUnit(CompileUnitDesc *UnitDesc) {
- CompileUnit *Unit = DescToUnitMap[UnitDesc];
- assert(Unit && "Missing compile unit.");
- return Unit;
- }
-
/// FindCompileUnit - Get the compile unit for the given descriptor.
///
CompileUnit *FindCompileUnit(DICompileUnit Unit) {
@@ -2374,136 +1967,7 @@
return DW_Unit;
}
- /// NewGlobalVariable - Add a new global variable DIE.
- ///
- DIE *NewGlobalVariable(GlobalVariableDesc *GVD) {
- // Get the compile unit context.
- CompileUnitDesc *UnitDesc =
- static_cast<CompileUnitDesc *>(GVD->getContext());
- CompileUnit *Unit = GetBaseCompileUnit();
-
- // Check for pre-existence.
- DIE *&Slot = Unit->getDieMapSlotFor(GVD);
- if (Slot) return Slot;
-
- // Get the global variable itself.
- GlobalVariable *GV = GVD->getGlobalVariable();
-
- const std::string &Name = GVD->getName();
- const std::string &FullName = GVD->getFullName();
- const std::string &LinkageName = GVD->getLinkageName();
- // Create the global's variable DIE.
- DIE *VariableDie = new DIE(DW_TAG_variable);
- AddString(VariableDie, DW_AT_name, DW_FORM_string, Name);
- if (!LinkageName.empty()) {
- AddString(VariableDie, DW_AT_MIPS_linkage_name, DW_FORM_string,
- LinkageName);
- }
- AddType(VariableDie, GVD->getType(), Unit);
- if (!GVD->isStatic())
- AddUInt(VariableDie, DW_AT_external, DW_FORM_flag, 1);
-
- // Add source line info if available.
- AddSourceLine(VariableDie, UnitDesc, GVD->getLine());
-
- // Add address.
- DIEBlock *Block = new DIEBlock();
- AddUInt(Block, 0, DW_FORM_data1, DW_OP_addr);
- AddObjectLabel(Block, 0, DW_FORM_udata, Asm->getGlobalLinkName(GV));
- AddBlock(VariableDie, DW_AT_location, 0, Block);
-
- // Add to map.
- Slot = VariableDie;
-
- // Add to context owner.
- Unit->getDie()->AddChild(VariableDie);
-
- // Expose as global.
- // FIXME - need to check external flag.
- Unit->AddGlobal(FullName, VariableDie);
-
- return VariableDie;
- }
-
- /// NewSubprogram - Add a new subprogram DIE.
- ///
- DIE *NewSubprogram(SubprogramDesc *SPD) {
- // Get the compile unit context.
- CompileUnitDesc *UnitDesc =
- static_cast<CompileUnitDesc *>(SPD->getContext());
- CompileUnit *Unit = GetBaseCompileUnit();
-
- // Check for pre-existence.
- DIE *&Slot = Unit->getDieMapSlotFor(SPD);
- if (Slot) return Slot;
-
- // Gather the details (simplify add attribute code.)
- const std::string &Name = SPD->getName();
- const std::string &FullName = SPD->getFullName();
- const std::string &LinkageName = SPD->getLinkageName();
-
- DIE *SubprogramDie = new DIE(DW_TAG_subprogram);
- AddString(SubprogramDie, DW_AT_name, DW_FORM_string, Name);
- if (!LinkageName.empty()) {
- AddString(SubprogramDie, DW_AT_MIPS_linkage_name, DW_FORM_string,
- LinkageName);
- }
- if (SPD->getType()) AddType(SubprogramDie, SPD->getType(), Unit);
- if (!SPD->isStatic())
- AddUInt(SubprogramDie, DW_AT_external, DW_FORM_flag, 1);
- AddUInt(SubprogramDie, DW_AT_prototyped, DW_FORM_flag, 1);
-
- // Add source line info if available.
- AddSourceLine(SubprogramDie, UnitDesc, SPD->getLine());
-
- // Add to map.
- Slot = SubprogramDie;
-
- // Add to context owner.
- Unit->getDie()->AddChild(SubprogramDie);
-
- // Expose as global.
- Unit->AddGlobal(FullName, SubprogramDie);
-
- return SubprogramDie;
- }
-
- /// NewScopeVariable - Create a new scope variable.
- ///
- DIE *NewScopeVariable(DebugVariable *DV, CompileUnit *Unit) {
- // Get the descriptor.
- VariableDesc *VD = DV->getDesc();
-
- // Translate tag to proper Dwarf tag. The result variable is dropped for
- // now.
- unsigned Tag;
- switch (VD->getTag()) {
- case DW_TAG_return_variable: return NULL;
- case DW_TAG_arg_variable: Tag = DW_TAG_formal_parameter; break;
- case DW_TAG_auto_variable: // fall thru
- default: Tag = DW_TAG_variable; break;
- }
-
- // Define variable debug information entry.
- DIE *VariableDie = new DIE(Tag);
- AddString(VariableDie, DW_AT_name, DW_FORM_string, VD->getName());
-
- // Add source line info if available.
- AddSourceLine(VariableDie, VD->getFile(), VD->getLine());
-
- // Add variable type.
- AddType(VariableDie, VD->getType(), Unit);
-
- // Add variable address.
- MachineLocation Location;
- Location.set(RI->getFrameRegister(*MF),
- RI->getFrameIndexOffset(*MF, DV->getFrameIndex()));
- AddAddress(VariableDie, DW_AT_location, Location);
-
- return VariableDie;
- }
-
- /// NewScopeVariable - Create a new scope variable.
+ /// NewDbgScopeVariable - Create a new scope variable.
///
DIE *NewDbgScopeVariable(DbgVariable *DV, CompileUnit *Unit) {
// Get the descriptor.
@@ -2688,125 +2152,6 @@
#endif
}
- /// ConstructScope - Construct the components of a scope.
- ///
- void ConstructScope(DebugScope *ParentScope,
- unsigned ParentStartID, unsigned ParentEndID,
- DIE *ParentDie, CompileUnit *Unit) {
- // Add variables to scope.
- std::vector<DebugVariable *> &Variables = ParentScope->getVariables();
- for (unsigned i = 0, N = Variables.size(); i < N; ++i) {
- DIE *VariableDie = NewScopeVariable(Variables[i], Unit);
- if (VariableDie) ParentDie->AddChild(VariableDie);
- }
-
- // Add nested scopes.
- std::vector<DebugScope *> &Scopes = ParentScope->getScopes();
- for (unsigned j = 0, M = Scopes.size(); j < M; ++j) {
- // Define the Scope debug information entry.
- DebugScope *Scope = Scopes[j];
- // FIXME - Ignore inlined functions for the time being.
- if (!Scope->getParent()) continue;
-
- unsigned StartID = MMI->MappedLabel(Scope->getStartLabelID());
- unsigned EndID = MMI->MappedLabel(Scope->getEndLabelID());
-
- // Ignore empty scopes.
- if (StartID == EndID && StartID != 0) continue;
- if (Scope->getScopes().empty() && Scope->getVariables().empty()) continue;
-
- if (StartID == ParentStartID && EndID == ParentEndID) {
- // Just add stuff to the parent scope.
- ConstructScope(Scope, ParentStartID, ParentEndID, ParentDie, Unit);
- } else {
- DIE *ScopeDie = new DIE(DW_TAG_lexical_block);
-
- // Add the scope bounds.
- if (StartID) {
- AddLabel(ScopeDie, DW_AT_low_pc, DW_FORM_addr,
- DWLabel("label", StartID));
- } else {
- AddLabel(ScopeDie, DW_AT_low_pc, DW_FORM_addr,
- DWLabel("func_begin", SubprogramCount));
- }
- if (EndID) {
- AddLabel(ScopeDie, DW_AT_high_pc, DW_FORM_addr,
- DWLabel("label", EndID));
- } else {
- AddLabel(ScopeDie, DW_AT_high_pc, DW_FORM_addr,
- DWLabel("func_end", SubprogramCount));
- }
-
- // Add the scope contents.
- ConstructScope(Scope, StartID, EndID, ScopeDie, Unit);
- ParentDie->AddChild(ScopeDie);
- }
- }
- }
-
- /// ConstructRootScope - Construct the scope for the subprogram.
- ///
- void ConstructRootScope(DebugScope *RootScope) {
- // Exit if there is no root scope.
- if (!RootScope) return;
-
- // Get the subprogram debug information entry.
- SubprogramDesc *SPD = cast<SubprogramDesc>(RootScope->getDesc());
-
- // Get the compile unit context.
- CompileUnit *Unit = GetBaseCompileUnit();
-
- // Get the subprogram die.
- DIE *SPDie = Unit->getDieMapSlotFor(SPD);
- assert(SPDie && "Missing subprogram descriptor");
-
- // Add the function bounds.
- AddLabel(SPDie, DW_AT_low_pc, DW_FORM_addr,
- DWLabel("func_begin", SubprogramCount));
- AddLabel(SPDie, DW_AT_high_pc, DW_FORM_addr,
- DWLabel("func_end", SubprogramCount));
- MachineLocation Location(RI->getFrameRegister(*MF));
- AddAddress(SPDie, DW_AT_frame_base, Location);
-
- ConstructScope(RootScope, 0, 0, SPDie, Unit);
- }
-
- /// ConstructDefaultScope - Construct a default scope for the subprogram.
- ///
- void ConstructDefaultScope(MachineFunction *MF) {
- // Find the correct subprogram descriptor.
- std::vector<SubprogramDesc *> Subprograms;
- MMI->getAnchoredDescriptors<SubprogramDesc>(*M, Subprograms);
-
- for (unsigned i = 0, N = Subprograms.size(); i < N; ++i) {
- SubprogramDesc *SPD = Subprograms[i];
-
- if (SPD->getName() == MF->getFunction()->getName()) {
- // Get the compile unit context.
- CompileUnit *Unit = GetBaseCompileUnit();
-
- // Get the subprogram die.
- DIE *SPDie = Unit->getDieMapSlotFor(SPD);
- assert(SPDie && "Missing subprogram descriptor");
-
- // Add the function bounds.
- AddLabel(SPDie, DW_AT_low_pc, DW_FORM_addr,
- DWLabel("func_begin", SubprogramCount));
- AddLabel(SPDie, DW_AT_high_pc, DW_FORM_addr,
- DWLabel("func_end", SubprogramCount));
-
- MachineLocation Location(RI->getFrameRegister(*MF));
- AddAddress(SPDie, DW_AT_frame_base, Location);
- return;
- }
- }
-#if 0
- // FIXME: This is causing an abort because C++ mangled names are compared
- // with their unmangled counterparts. See PR2885. Don't do this assert.
- assert(0 && "Couldn't find DIE for machine function!");
-#endif
- }
-
/// EmitInitial - Emit initial Dwarf declarations. This is necessary for cc
/// tools to recognize the object file contains Dwarf information.
void EmitInitial() {
@@ -3443,18 +2788,6 @@
}
}
- /// ConstructCompileUnitDIEs - Create a compile unit DIE for each source and
- /// header file.
- void ConstructCompileUnitDIEs() {
- const UniqueVector<CompileUnitDesc *> CUW = MMI->getCompileUnits();
-
- for (unsigned i = 1, N = CUW.size(); i <= N; ++i) {
- unsigned ID = MMI->RecordSource(CUW[i]);
- CompileUnit *Unit = NewCompileUnit(CUW[i], ID);
- CompileUnits.push_back(Unit);
- }
- }
-
/// ConstructGlobalVariableDIEs - Create DIEs for each of the externally
/// visible global variables.
void ConstructGlobalVariableDIEs() {
@@ -3502,18 +2835,6 @@
}
}
- /// ConstructGlobalDIEs - Create DIEs for each of the externally visible
- /// global variables.
- void ConstructGlobalDIEs() {
- std::vector<GlobalVariableDesc *> GlobalVariables;
- MMI->getAnchoredDescriptors<GlobalVariableDesc>(*M, GlobalVariables);
-
- for (unsigned i = 0, N = GlobalVariables.size(); i < N; ++i) {
- GlobalVariableDesc *GVD = GlobalVariables[i];
- NewGlobalVariable(GVD);
- }
- }
-
/// ConstructSubprograms - Create DIEs for each of the externally visible
/// subprograms.
void ConstructSubprograms() {
@@ -3553,18 +2874,6 @@
}
}
- /// ConstructSubprogramDIEs - Create DIEs for each of the externally visible
- /// subprograms.
- void ConstructSubprogramDIEs() {
- std::vector<SubprogramDesc *> Subprograms;
- MMI->getAnchoredDescriptors<SubprogramDesc>(*M, Subprograms);
-
- for (unsigned i = 0, N = Subprograms.size(); i < N; ++i) {
- SubprogramDesc *SPD = Subprograms[i];
- NewSubprogram(SPD);
- }
- }
-
public:
//===--------------------------------------------------------------------===//
// Main entry points.
@@ -3577,7 +2886,6 @@
, ValuesSet(InitValuesSetSize)
, Values()
, StringPool()
- , DescToUnitMap()
, SectionMap()
, SectionSourceLines()
, didInitial(false)
@@ -3632,47 +2940,6 @@
EmitInitial();
}
- /// SetModuleInfo - Set machine module information when it's known that pass
- /// manager has created it. Set by the target AsmPrinter.
- void SetModuleInfo(MachineModuleInfo *mmi) {
- assert (0 && "Who is this?");
- // Make sure initial declarations are made.
- if (!MMI && mmi->hasDebugInfo()) {
- MMI = mmi;
- shouldEmit = true;
-
- // Create all the compile unit DIEs.
- ConstructCompileUnitDIEs();
-
- // Create DIEs for each of the externally visible global variables.
- ConstructGlobalDIEs();
-
- // Create DIEs for each of the externally visible subprograms.
- ConstructSubprogramDIEs();
-
- // Prime section data.
- SectionMap.insert(TAI->getTextSection());
-
- // Print out .file directives to specify files for .loc directives. These
- // are printed out early so that they precede any .loc directives.
- if (TAI->hasDotLocAndDotFile()) {
- const UniqueVector<SourceFileInfo> &SourceFiles = MMI->getSourceFiles();
- const UniqueVector<std::string> &Directories = MMI->getDirectories();
- for (unsigned i = 1, e = SourceFiles.size(); i <= e; ++i) {
- sys::Path FullPath(Directories[SourceFiles[i].getDirectoryID()]);
- bool AppendOk = FullPath.appendComponent(SourceFiles[i].getName());
- assert(AppendOk && "Could not append filename to directory!");
- AppendOk = false;
- Asm->EmitFile(i, FullPath.toString());
- Asm->EOL();
- }
- }
-
- // Emit initial sections
- EmitInitial();
- }
- }
-
/// BeginModule - Emit all Dwarf sections that should come prior to the
/// content.
void BeginModule(Module *M) {
@@ -4991,3 +4258,4 @@
void DwarfWriter::RecordVariable(GlobalVariable *GV, unsigned FrameIndex) {
DD->RecordVariable(GV, FrameIndex);
}
+
Modified: llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp?rev=62199&r1=62198&r2=62199&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineModuleInfo.cpp Tue Jan 13 17:54:55 2009
@@ -33,1598 +33,11 @@
char MachineModuleInfo::ID = 0;
//===----------------------------------------------------------------------===//
-
-/// getGlobalVariablesUsing - Return all of the GlobalVariables which have the
-/// specified value in their initializer somewhere.
-static void
-getGlobalVariablesUsing(Value *V, std::vector<GlobalVariable*> &Result) {
- // Scan though value users.
- for (Value::use_iterator I = V->use_begin(), E = V->use_end(); I != E; ++I) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(*I)) {
- // If the user is a GlobalVariable then add to result.
- Result.push_back(GV);
- } else if (Constant *C = dyn_cast<Constant>(*I)) {
- // If the user is a constant variable then scan its users
- getGlobalVariablesUsing(C, Result);
- }
- }
-}
-
-/// getGlobalVariablesUsing - Return all of the GlobalVariables that use the
-/// named GlobalVariable.
-static void
-getGlobalVariablesUsing(Module &M, const std::string &RootName,
- std::vector<GlobalVariable*> &Result) {
- std::vector<const Type*> FieldTypes;
- FieldTypes.push_back(Type::Int32Ty);
- FieldTypes.push_back(Type::Int32Ty);
-
- // Get the GlobalVariable root.
- GlobalVariable *UseRoot = M.getGlobalVariable(RootName,
- StructType::get(FieldTypes));
-
- // If present and linkonce then scan for users.
- if (UseRoot && UseRoot->hasLinkOnceLinkage())
- getGlobalVariablesUsing(UseRoot, Result);
-}
-
-/// isStringValue - Return true if the given value can be coerced to a string.
-///
-static bool isStringValue(Value *V) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
- if (GV->hasInitializer() && isa<ConstantArray>(GV->getInitializer())) {
- ConstantArray *Init = cast<ConstantArray>(GV->getInitializer());
- return Init->isString();
- }
- } else if (Constant *C = dyn_cast<Constant>(V)) {
- if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
- return isStringValue(GV);
- else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
- if (CE->getOpcode() == Instruction::GetElementPtr) {
- if (CE->getNumOperands() == 3 &&
- cast<Constant>(CE->getOperand(1))->isNullValue() &&
- isa<ConstantInt>(CE->getOperand(2))) {
- return isStringValue(CE->getOperand(0));
- }
- }
- }
- }
- return false;
-}
-
-/// getGlobalVariable - Return either a direct or cast Global value.
-///
-static GlobalVariable *getGlobalVariable(Value *V) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
- return GV;
- } else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
- if (CE->getOpcode() == Instruction::BitCast) {
- return dyn_cast<GlobalVariable>(CE->getOperand(0));
- } else if (CE->getOpcode() == Instruction::GetElementPtr) {
- for (unsigned int i=1; i<CE->getNumOperands(); i++) {
- if (!CE->getOperand(i)->isNullValue())
- return NULL;
- }
- return dyn_cast<GlobalVariable>(CE->getOperand(0));
- }
- }
- return NULL;
-}
-
-/// isGlobalVariable - Return true if the given value can be coerced to a
-/// GlobalVariable.
-static bool isGlobalVariable(Value *V) {
- if (isa<GlobalVariable>(V) || isa<ConstantPointerNull>(V)) {
- return true;
- } else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
- if (CE->getOpcode() == Instruction::BitCast) {
- return isa<GlobalVariable>(CE->getOperand(0));
- } else if (CE->getOpcode() == Instruction::GetElementPtr) {
- for (unsigned int i=1; i<CE->getNumOperands(); i++) {
- if (!CE->getOperand(i)->isNullValue())
- return false;
- }
- return isa<GlobalVariable>(CE->getOperand(0));
- }
- }
- return false;
-}
-
-/// getUIntOperand - Return ith operand if it is an unsigned integer.
-///
-static ConstantInt *getUIntOperand(GlobalVariable *GV, unsigned i) {
- // Make sure the GlobalVariable has an initializer.
- if (!GV->hasInitializer()) return NULL;
-
- // Get the initializer constant.
- ConstantStruct *CI = dyn_cast<ConstantStruct>(GV->getInitializer());
- if (!CI) return NULL;
-
- // Check if there is at least i + 1 operands.
- unsigned N = CI->getNumOperands();
- if (i >= N) return NULL;
-
- // Check constant.
- return dyn_cast<ConstantInt>(CI->getOperand(i));
-}
-
-//===----------------------------------------------------------------------===//
-
-static unsigned CountFields(DebugInfoDesc *DD) {
- unsigned Count = 0;
-
- switch (DD->getTag()) {
- case DW_TAG_anchor: // AnchorDesc
- // Tag
- // AnchorTag
- Count = 2;
- break;
- case DW_TAG_compile_unit: // CompileUnitDesc
- // [DW_TAG_anchor]
- // if (Version == 0) DebugVersion
- // Language
- // FileName
- // Directory
- // Producer
- Count = 6;
-
- // Handle cases out of sync with compiler.
- if (DD->getVersion() == 0)
- ++Count;
-
- break;
- case DW_TAG_variable: // GlobalVariableDesc
- // [DW_TAG_anchor]
- // Context
- // Name
- // FullName
- // LinkageName
- // File
- // Line
- // TyDesc
- // IsStatic
- // IsDefinition
- // Global
- Count = 12;
- break;
- case DW_TAG_subprogram: // SubprogramDesc
- // [DW_TAG_anchor]
- // Context
- // Name
- // FullName
- // LinkageName
- // File
- // Line
- // TyDesc
- // IsStatic
- // IsDefinition
- Count = 11;
- break;
- case DW_TAG_lexical_block: // BlockDesc
- // Tag
- // Context
- Count = 2;
- break;
- case DW_TAG_base_type: // BasicTypeDesc
- // Tag
- // Context
- // Name
- // File
- // Line
- // Size
- // Align
- // Offset
- // if (Version > LLVMDebugVersion4) Flags
- // Encoding
- Count = 9;
-
- if (DD->getVersion() > LLVMDebugVersion4)
- ++Count;
-
- break;
- case DW_TAG_typedef:
- case DW_TAG_pointer_type:
- case DW_TAG_reference_type:
- case DW_TAG_const_type:
- case DW_TAG_volatile_type:
- case DW_TAG_restrict_type:
- case DW_TAG_member:
- case DW_TAG_inheritance: // DerivedTypeDesc
- // Tag
- // Context
- // Name
- // File
- // Line
- // Size
- // Align
- // Offset
- // if (Version > LLVMDebugVersion4) Flags
- // FromType
- Count = 9;
-
- if (DD->getVersion() > LLVMDebugVersion4)
- ++Count;
-
- break;
- case DW_TAG_array_type:
- case DW_TAG_structure_type:
- case DW_TAG_union_type:
- case DW_TAG_enumeration_type:
- case DW_TAG_vector_type:
- case DW_TAG_subroutine_type: // CompositeTypeDesc
- // Tag
- // Context
- // Name
- // File
- // Line
- // Size
- // Align
- // Offset
- // if (Version > LLVMDebugVersion4) Flags
- // FromType
- // Elements
- Count = 10;
-
- if (DD->getVersion() > LLVMDebugVersion4)
- ++Count;
-
- break;
- case DW_TAG_subrange_type: // SubrangeDesc
- // Tag
- // Lo
- // Hi
- Count = 3;
- break;
- case DW_TAG_enumerator: // EnumeratorDesc
- // Tag
- // Name
- // Value
- Count = 3;
- break;
- case DW_TAG_return_variable:
- case DW_TAG_arg_variable:
- case DW_TAG_auto_variable: // VariableDesc
- // Tag
- // Context
- // Name
- // File
- // Line
- // TyDesc
- Count = 6;
- break;
- default:
- break;
- }
-
- return Count;
-}
-
-//===----------------------------------------------------------------------===//
-
-/// ApplyToFields - Target the visitor to each field of the debug information
-/// descriptor.
-void DIVisitor::ApplyToFields(DebugInfoDesc *DD) {
- DD->ApplyToFields(this);
-}
-
-namespace {
-
-//===----------------------------------------------------------------------===//
-/// DIDeserializeVisitor - This DIVisitor deserializes all the fields in the
-/// supplied DebugInfoDesc.
-class DIDeserializeVisitor : public DIVisitor {
-private:
- DIDeserializer &DR; // Active deserializer.
- unsigned I; // Current operand index.
- ConstantStruct *CI; // GlobalVariable constant initializer.
-
-public:
- DIDeserializeVisitor(DIDeserializer &D, GlobalVariable *GV)
- : DIVisitor(), DR(D), I(0), CI(cast<ConstantStruct>(GV->getInitializer()))
- {}
-
- /// Apply - Set the value of each of the fields.
- ///
- virtual void Apply(int &Field) {
- Constant *C = CI->getOperand(I++);
- Field = cast<ConstantInt>(C)->getSExtValue();
- }
- virtual void Apply(unsigned &Field) {
- Constant *C = CI->getOperand(I++);
- Field = cast<ConstantInt>(C)->getZExtValue();
- }
- virtual void Apply(int64_t &Field) {
- Constant *C = CI->getOperand(I++);
- Field = cast<ConstantInt>(C)->getSExtValue();
- }
- virtual void Apply(uint64_t &Field) {
- Constant *C = CI->getOperand(I++);
- Field = cast<ConstantInt>(C)->getZExtValue();
- }
- virtual void Apply(bool &Field) {
- Constant *C = CI->getOperand(I++);
- Field = cast<ConstantInt>(C)->getZExtValue();
- }
- virtual void Apply(std::string &Field) {
- Constant *C = CI->getOperand(I++);
- // Fills in the string if it succeeds
- if (!GetConstantStringInfo(C, Field))
- Field.clear();
- }
- virtual void Apply(DebugInfoDesc *&Field) {
- Constant *C = CI->getOperand(I++);
- Field = DR.Deserialize(C);
- }
- virtual void Apply(GlobalVariable *&Field) {
- Constant *C = CI->getOperand(I++);
- Field = getGlobalVariable(C);
- }
- virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
- Field.resize(0);
- Constant *C = CI->getOperand(I++);
- GlobalVariable *GV = getGlobalVariable(C);
- if (GV && GV->hasInitializer()) {
- if (ConstantArray *CA = dyn_cast<ConstantArray>(GV->getInitializer())) {
- for (unsigned i = 0, N = CA->getNumOperands(); i < N; ++i) {
- GlobalVariable *GVE = getGlobalVariable(CA->getOperand(i));
- DebugInfoDesc *DE = DR.Deserialize(GVE);
- Field.push_back(DE);
- }
- } else if (GV->getInitializer()->isNullValue()) {
- if (const ArrayType *T =
- dyn_cast<ArrayType>(GV->getType()->getElementType())) {
- Field.resize(T->getNumElements());
- }
- }
- }
- }
-};
-
-//===----------------------------------------------------------------------===//
-/// DISerializeVisitor - This DIVisitor serializes all the fields in
-/// the supplied DebugInfoDesc.
-class DISerializeVisitor : public DIVisitor {
-private:
- DISerializer &SR; // Active serializer.
- std::vector<Constant*> &Elements; // Element accumulator.
-
-public:
- DISerializeVisitor(DISerializer &S, std::vector<Constant*> &E)
- : DIVisitor()
- , SR(S)
- , Elements(E)
- {}
-
- /// Apply - Set the value of each of the fields.
- ///
- virtual void Apply(int &Field) {
- Elements.push_back(ConstantInt::get(Type::Int32Ty, int32_t(Field)));
- }
- virtual void Apply(unsigned &Field) {
- Elements.push_back(ConstantInt::get(Type::Int32Ty, uint32_t(Field)));
- }
- virtual void Apply(int64_t &Field) {
- Elements.push_back(ConstantInt::get(Type::Int64Ty, int64_t(Field)));
- }
- virtual void Apply(uint64_t &Field) {
- Elements.push_back(ConstantInt::get(Type::Int64Ty, uint64_t(Field)));
- }
- virtual void Apply(bool &Field) {
- Elements.push_back(ConstantInt::get(Type::Int1Ty, Field));
- }
- virtual void Apply(std::string &Field) {
- Elements.push_back(SR.getString(Field));
- }
- virtual void Apply(DebugInfoDesc *&Field) {
- GlobalVariable *GV = NULL;
-
- // If non-NULL then convert to global.
- if (Field) GV = SR.Serialize(Field);
-
- // FIXME - At some point should use specific type.
- const PointerType *EmptyTy = SR.getEmptyStructPtrType();
-
- if (GV) {
- // Set to pointer to global.
- Elements.push_back(ConstantExpr::getBitCast(GV, EmptyTy));
- } else {
- // Use NULL.
- Elements.push_back(ConstantPointerNull::get(EmptyTy));
- }
- }
- virtual void Apply(GlobalVariable *&Field) {
- const PointerType *EmptyTy = SR.getEmptyStructPtrType();
- if (Field) {
- Elements.push_back(ConstantExpr::getBitCast(Field, EmptyTy));
- } else {
- Elements.push_back(ConstantPointerNull::get(EmptyTy));
- }
- }
- virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
- const PointerType *EmptyTy = SR.getEmptyStructPtrType();
- unsigned N = Field.size();
- ArrayType *AT = ArrayType::get(EmptyTy, N);
- std::vector<Constant *> ArrayElements;
-
- for (unsigned i = 0, N = Field.size(); i < N; ++i) {
- if (DebugInfoDesc *Element = Field[i]) {
- GlobalVariable *GVE = SR.Serialize(Element);
- Constant *CE = ConstantExpr::getBitCast(GVE, EmptyTy);
- ArrayElements.push_back(cast<Constant>(CE));
- } else {
- ArrayElements.push_back(ConstantPointerNull::get(EmptyTy));
- }
- }
-
- Constant *CA = ConstantArray::get(AT, ArrayElements);
- GlobalVariable *CAGV = new GlobalVariable(AT, true,
- GlobalValue::InternalLinkage,
- CA, "llvm.dbg.array",
- SR.getModule());
- CAGV->setSection("llvm.metadata");
- Constant *CAE = ConstantExpr::getBitCast(CAGV, EmptyTy);
- Elements.push_back(CAE);
- }
-};
-
-//===----------------------------------------------------------------------===//
-/// DIGetTypesVisitor - This DIVisitor gathers all the field types in
-/// the supplied DebugInfoDesc.
-class DIGetTypesVisitor : public DIVisitor {
-private:
- DISerializer &SR; // Active serializer.
- std::vector<const Type*> &Fields; // Type accumulator.
-
-public:
- DIGetTypesVisitor(DISerializer &S, std::vector<const Type*> &F)
- : DIVisitor()
- , SR(S)
- , Fields(F)
- {}
-
- /// Apply - Set the value of each of the fields.
- ///
- virtual void Apply(int &Field) {
- Fields.push_back(Type::Int32Ty);
- }
- virtual void Apply(unsigned &Field) {
- Fields.push_back(Type::Int32Ty);
- }
- virtual void Apply(int64_t &Field) {
- Fields.push_back(Type::Int64Ty);
- }
- virtual void Apply(uint64_t &Field) {
- Fields.push_back(Type::Int64Ty);
- }
- virtual void Apply(bool &Field) {
- Fields.push_back(Type::Int1Ty);
- }
- virtual void Apply(std::string &Field) {
- Fields.push_back(SR.getStrPtrType());
- }
- virtual void Apply(DebugInfoDesc *&Field) {
- // FIXME - At some point should use specific type.
- const PointerType *EmptyTy = SR.getEmptyStructPtrType();
- Fields.push_back(EmptyTy);
- }
- virtual void Apply(GlobalVariable *&Field) {
- const PointerType *EmptyTy = SR.getEmptyStructPtrType();
- Fields.push_back(EmptyTy);
- }
- virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
- const PointerType *EmptyTy = SR.getEmptyStructPtrType();
- Fields.push_back(EmptyTy);
- }
-};
-
-//===----------------------------------------------------------------------===//
-/// DIVerifyVisitor - This DIVisitor verifies all the field types against
-/// a constant initializer.
-class DIVerifyVisitor : public DIVisitor {
-private:
- DIVerifier &VR; // Active verifier.
- bool IsValid; // Validity status.
- unsigned I; // Current operand index.
- ConstantStruct *CI; // GlobalVariable constant initializer.
-
-public:
- DIVerifyVisitor(DIVerifier &V, GlobalVariable *GV)
- : DIVisitor()
- , VR(V)
- , IsValid(true)
- , I(0)
- , CI(cast<ConstantStruct>(GV->getInitializer()))
- {
- }
- // Accessors.
- bool isValid() const { return IsValid; }
-
- /// Apply - Set the value of each of the fields.
- ///
- virtual void Apply(int &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isa<ConstantInt>(C);
- }
- virtual void Apply(unsigned &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isa<ConstantInt>(C);
- }
- virtual void Apply(int64_t &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isa<ConstantInt>(C);
- }
- virtual void Apply(uint64_t &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isa<ConstantInt>(C);
- }
- virtual void Apply(bool &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isa<ConstantInt>(C) && C->getType() == Type::Int1Ty;
- }
- virtual void Apply(std::string &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid &&
- (!C || isStringValue(C) || C->isNullValue());
- }
- virtual void Apply(DebugInfoDesc *&Field) {
- // FIXME - Prepare the correct descriptor.
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isGlobalVariable(C);
- }
- virtual void Apply(GlobalVariable *&Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isGlobalVariable(C);
- }
- virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
- Constant *C = CI->getOperand(I++);
- IsValid = IsValid && isGlobalVariable(C);
- if (!IsValid) return;
-
- GlobalVariable *GV = getGlobalVariable(C);
- IsValid = IsValid && GV && GV->hasInitializer();
- if (!IsValid) return;
-
- ConstantArray *CA = dyn_cast<ConstantArray>(GV->getInitializer());
- IsValid = IsValid && CA;
- if (!IsValid) return;
-
- for (unsigned i = 0, N = CA->getNumOperands(); IsValid && i < N; ++i) {
- IsValid = IsValid && isGlobalVariable(CA->getOperand(i));
- if (!IsValid) return;
-
- GlobalVariable *GVE = getGlobalVariable(CA->getOperand(i));
- VR.Verify(GVE);
- }
- }
-};
-
-}
-
-//===----------------------------------------------------------------------===//
-
-/// TagFromGlobal - Returns the tag number from a debug info descriptor
-/// GlobalVariable. Return DIIValid if operand is not an unsigned int.
-unsigned DebugInfoDesc::TagFromGlobal(GlobalVariable *GV) {
- ConstantInt *C = getUIntOperand(GV, 0);
- return C ? ((unsigned)C->getZExtValue() & ~LLVMDebugVersionMask) :
- (unsigned)DW_TAG_invalid;
-}
-
-/// VersionFromGlobal - Returns the version number from a debug info
-/// descriptor GlobalVariable. Return DIIValid if operand is not an unsigned
-/// int.
-unsigned DebugInfoDesc::VersionFromGlobal(GlobalVariable *GV) {
- ConstantInt *C = getUIntOperand(GV, 0);
- return C ? ((unsigned)C->getZExtValue() & LLVMDebugVersionMask) :
- (unsigned)DW_TAG_invalid;
-}
-
-/// DescFactory - Create an instance of debug info descriptor based on Tag.
-/// Return NULL if not a recognized Tag.
-DebugInfoDesc *DebugInfoDesc::DescFactory(unsigned Tag) {
- switch (Tag) {
- case DW_TAG_anchor: return new AnchorDesc();
- case DW_TAG_compile_unit: return new CompileUnitDesc();
- case DW_TAG_variable: return new GlobalVariableDesc();
- case DW_TAG_subprogram: return new SubprogramDesc();
- case DW_TAG_lexical_block: return new BlockDesc();
- case DW_TAG_base_type: return new BasicTypeDesc();
- case DW_TAG_typedef:
- case DW_TAG_pointer_type:
- case DW_TAG_reference_type:
- case DW_TAG_const_type:
- case DW_TAG_volatile_type:
- case DW_TAG_restrict_type:
- case DW_TAG_member:
- case DW_TAG_inheritance: return new DerivedTypeDesc(Tag);
- case DW_TAG_array_type:
- case DW_TAG_structure_type:
- case DW_TAG_union_type:
- case DW_TAG_enumeration_type:
- case DW_TAG_vector_type:
- case DW_TAG_subroutine_type: return new CompositeTypeDesc(Tag);
- case DW_TAG_subrange_type: return new SubrangeDesc();
- case DW_TAG_enumerator: return new EnumeratorDesc();
- case DW_TAG_return_variable:
- case DW_TAG_arg_variable:
- case DW_TAG_auto_variable: return new VariableDesc(Tag);
- default: break;
- }
- return NULL;
-}
-
-/// getLinkage - get linkage appropriate for this type of descriptor.
-///
-GlobalValue::LinkageTypes DebugInfoDesc::getLinkage() const {
- return GlobalValue::InternalLinkage;
-}
-
-/// ApplyToFields - Target the vistor to the fields of the descriptor.
-///
-void DebugInfoDesc::ApplyToFields(DIVisitor *Visitor) {
- Visitor->Apply(Tag);
-}
-
-//===----------------------------------------------------------------------===//
-
-AnchorDesc::AnchorDesc()
-: DebugInfoDesc(DW_TAG_anchor)
-, AnchorTag(0)
-{}
-AnchorDesc::AnchorDesc(AnchoredDesc *D)
-: DebugInfoDesc(DW_TAG_anchor)
-, AnchorTag(D->getTag())
-{}
-
-// Implement isa/cast/dyncast.
-bool AnchorDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_anchor;
-}
-
-/// getLinkage - get linkage appropriate for this type of descriptor.
-///
-GlobalValue::LinkageTypes AnchorDesc::getLinkage() const {
- return GlobalValue::LinkOnceLinkage;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the TransUnitDesc.
-///
-void AnchorDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(AnchorTag);
-}
-
-/// getDescString - Return a string used to compose global names and labels. A
-/// A global variable name needs to be defined for each debug descriptor that is
-/// anchored. NOTE: that each global variable named here also needs to be added
-/// to the list of names left external in the internalizer.
-/// ExternalNames.insert("llvm.dbg.compile_units");
-/// ExternalNames.insert("llvm.dbg.global_variables");
-/// ExternalNames.insert("llvm.dbg.subprograms");
-const char *AnchorDesc::getDescString() const {
- switch (AnchorTag) {
- case DW_TAG_compile_unit: return CompileUnitDesc::AnchorString;
- case DW_TAG_variable: return GlobalVariableDesc::AnchorString;
- case DW_TAG_subprogram: return SubprogramDesc::AnchorString;
- default: break;
- }
-
- assert(0 && "Tag does not have a case for anchor string");
- return "";
-}
-
-/// getTypeString - Return a string used to label this descriptors type.
-///
-const char *AnchorDesc::getTypeString() const {
- return "llvm.dbg.anchor.type";
-}
-
-#ifndef NDEBUG
-void AnchorDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "AnchorTag(" << AnchorTag << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-AnchoredDesc::AnchoredDesc(unsigned T)
-: DebugInfoDesc(T)
-, Anchor(NULL)
-{}
-
-/// ApplyToFields - Target the visitor to the fields of the AnchoredDesc.
-///
-void AnchoredDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Anchor);
-}
-
-//===----------------------------------------------------------------------===//
-
-CompileUnitDesc::CompileUnitDesc()
-: AnchoredDesc(DW_TAG_compile_unit)
-, Language(0)
-, FileName("")
-, Directory("")
-, Producer("")
-{}
-
-// Implement isa/cast/dyncast.
-bool CompileUnitDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_compile_unit;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc.
-///
-void CompileUnitDesc::ApplyToFields(DIVisitor *Visitor) {
- AnchoredDesc::ApplyToFields(Visitor);
-
- // Handle cases out of sync with compiler.
- if (getVersion() == 0) {
- unsigned DebugVersion;
- Visitor->Apply(DebugVersion);
- }
-
- Visitor->Apply(Language);
- Visitor->Apply(FileName);
- Visitor->Apply(Directory);
- Visitor->Apply(Producer);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *CompileUnitDesc::getDescString() const {
- return "llvm.dbg.compile_unit";
-}
-
-/// getTypeString - Return a string used to label this descriptors type.
-///
-const char *CompileUnitDesc::getTypeString() const {
- return "llvm.dbg.compile_unit.type";
-}
-
-/// getAnchorString - Return a string used to label this descriptor's anchor.
-///
-const char *const CompileUnitDesc::AnchorString = "llvm.dbg.compile_units";
-const char *CompileUnitDesc::getAnchorString() const {
- return AnchorString;
-}
-
-#ifndef NDEBUG
-void CompileUnitDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Anchor(" << getAnchor() << "), "
- << "Language(" << Language << "), "
- << "FileName(\"" << FileName << "\"), "
- << "Directory(\"" << Directory << "\"), "
- << "Producer(\"" << Producer << "\")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-TypeDesc::TypeDesc(unsigned T)
-: DebugInfoDesc(T)
-, Context(NULL)
-, Name("")
-, File(NULL)
-, Line(0)
-, Size(0)
-, Align(0)
-, Offset(0)
-, Flags(0)
-{}
-
-/// ApplyToFields - Target the visitor to the fields of the TypeDesc.
-///
-void TypeDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Context);
- Visitor->Apply(Name);
- Visitor->Apply(File);
- Visitor->Apply(Line);
- Visitor->Apply(Size);
- Visitor->Apply(Align);
- Visitor->Apply(Offset);
- if (getVersion() > LLVMDebugVersion4) Visitor->Apply(Flags);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *TypeDesc::getDescString() const {
- return "llvm.dbg.type";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *TypeDesc::getTypeString() const {
- return "llvm.dbg.type.type";
-}
-
-#ifndef NDEBUG
-void TypeDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Context(" << Context << "), "
- << "Name(\"" << Name << "\"), "
- << "File(" << File << "), "
- << "Line(" << Line << "), "
- << "Size(" << Size << "), "
- << "Align(" << Align << "), "
- << "Offset(" << Offset << "), "
- << "Flags(" << Flags << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-BasicTypeDesc::BasicTypeDesc()
-: TypeDesc(DW_TAG_base_type)
-, Encoding(0)
-{}
-
-// Implement isa/cast/dyncast.
-bool BasicTypeDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_base_type;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the BasicTypeDesc.
-///
-void BasicTypeDesc::ApplyToFields(DIVisitor *Visitor) {
- TypeDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Encoding);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *BasicTypeDesc::getDescString() const {
- return "llvm.dbg.basictype";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *BasicTypeDesc::getTypeString() const {
- return "llvm.dbg.basictype.type";
-}
-
-#ifndef NDEBUG
-void BasicTypeDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Context(" << getContext() << "), "
- << "Name(\"" << getName() << "\"), "
- << "Size(" << getSize() << "), "
- << "Encoding(" << Encoding << "),"
- << "Flags(" << Flags << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-DerivedTypeDesc::DerivedTypeDesc(unsigned T)
-: TypeDesc(T)
-, FromType(NULL)
-{}
-
-// Implement isa/cast/dyncast.
-bool DerivedTypeDesc::classof(const DebugInfoDesc *D) {
- unsigned T = D->getTag();
- switch (T) {
- case DW_TAG_typedef:
- case DW_TAG_pointer_type:
- case DW_TAG_reference_type:
- case DW_TAG_const_type:
- case DW_TAG_volatile_type:
- case DW_TAG_restrict_type:
- case DW_TAG_member:
- case DW_TAG_inheritance:
- return true;
- default: break;
- }
- return false;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc.
-///
-void DerivedTypeDesc::ApplyToFields(DIVisitor *Visitor) {
- TypeDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(FromType);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *DerivedTypeDesc::getDescString() const {
- return "llvm.dbg.derivedtype";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *DerivedTypeDesc::getTypeString() const {
- return "llvm.dbg.derivedtype.type";
-}
-
-#ifndef NDEBUG
-void DerivedTypeDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Context(" << getContext() << "), "
- << "Name(\"" << getName() << "\"), "
- << "Size(" << getSize() << "), "
- << "File(" << getFile() << "), "
- << "Line(" << getLine() << "), "
- << "FromType(" << FromType << "),"
- << "Flags(" << Flags << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-CompositeTypeDesc::CompositeTypeDesc(unsigned T)
-: DerivedTypeDesc(T)
-, Elements()
-{}
-
-// Implement isa/cast/dyncast.
-bool CompositeTypeDesc::classof(const DebugInfoDesc *D) {
- unsigned T = D->getTag();
- switch (T) {
- case DW_TAG_array_type:
- case DW_TAG_structure_type:
- case DW_TAG_union_type:
- case DW_TAG_enumeration_type:
- case DW_TAG_vector_type:
- case DW_TAG_subroutine_type:
- return true;
- default: break;
- }
- return false;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the CompositeTypeDesc.
-///
-void CompositeTypeDesc::ApplyToFields(DIVisitor *Visitor) {
- DerivedTypeDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Elements);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *CompositeTypeDesc::getDescString() const {
- return "llvm.dbg.compositetype";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *CompositeTypeDesc::getTypeString() const {
- return "llvm.dbg.compositetype.type";
-}
-
-#ifndef NDEBUG
-void CompositeTypeDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Context(" << getContext() << "), "
- << "Name(\"" << getName() << "\"), "
- << "Size(" << getSize() << "), "
- << "File(" << getFile() << "), "
- << "Line(" << getLine() << "), "
- << "FromType(" << getFromType() << "), "
- << "Elements.size(" << Elements.size() << "),"
- << "Flags(" << Flags << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-SubrangeDesc::SubrangeDesc()
-: DebugInfoDesc(DW_TAG_subrange_type)
-, Lo(0)
-, Hi(0)
-{}
-
-// Implement isa/cast/dyncast.
-bool SubrangeDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_subrange_type;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the SubrangeDesc.
-///
-void SubrangeDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Lo);
- Visitor->Apply(Hi);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *SubrangeDesc::getDescString() const {
- return "llvm.dbg.subrange";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *SubrangeDesc::getTypeString() const {
- return "llvm.dbg.subrange.type";
-}
-
-#ifndef NDEBUG
-void SubrangeDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Lo(" << Lo << "), "
- << "Hi(" << Hi << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-EnumeratorDesc::EnumeratorDesc()
-: DebugInfoDesc(DW_TAG_enumerator)
-, Name("")
-, Value(0)
-{}
-
-// Implement isa/cast/dyncast.
-bool EnumeratorDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_enumerator;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the EnumeratorDesc.
-///
-void EnumeratorDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Name);
- Visitor->Apply(Value);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *EnumeratorDesc::getDescString() const {
- return "llvm.dbg.enumerator";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *EnumeratorDesc::getTypeString() const {
- return "llvm.dbg.enumerator.type";
-}
-
-#ifndef NDEBUG
-void EnumeratorDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Name(" << Name << "), "
- << "Value(" << Value << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-VariableDesc::VariableDesc(unsigned T)
-: DebugInfoDesc(T)
-, Context(NULL)
-, Name("")
-, File(NULL)
-, Line(0)
-, TyDesc(0)
-{}
-
-// Implement isa/cast/dyncast.
-bool VariableDesc::classof(const DebugInfoDesc *D) {
- unsigned T = D->getTag();
- switch (T) {
- case DW_TAG_auto_variable:
- case DW_TAG_arg_variable:
- case DW_TAG_return_variable:
- return true;
- default: break;
- }
- return false;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the VariableDesc.
-///
-void VariableDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Context);
- Visitor->Apply(Name);
- Visitor->Apply(File);
- Visitor->Apply(Line);
- Visitor->Apply(TyDesc);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *VariableDesc::getDescString() const {
- return "llvm.dbg.variable";
-}
-
-/// getTypeString - Return a string used to label this descriptor's type.
-///
-const char *VariableDesc::getTypeString() const {
- return "llvm.dbg.variable.type";
-}
-
-#ifndef NDEBUG
-void VariableDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Context(" << Context << "), "
- << "Name(\"" << Name << "\"), "
- << "File(" << File << "), "
- << "Line(" << Line << "), "
- << "TyDesc(" << TyDesc << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-GlobalDesc::GlobalDesc(unsigned T)
-: AnchoredDesc(T)
-, Context(0)
-, Name("")
-, FullName("")
-, LinkageName("")
-, File(NULL)
-, Line(0)
-, TyDesc(NULL)
-, IsStatic(false)
-, IsDefinition(false)
-{}
-
-/// ApplyToFields - Target the visitor to the fields of the global.
-///
-void GlobalDesc::ApplyToFields(DIVisitor *Visitor) {
- AnchoredDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Context);
- Visitor->Apply(Name);
- Visitor->Apply(FullName);
- Visitor->Apply(LinkageName);
- Visitor->Apply(File);
- Visitor->Apply(Line);
- Visitor->Apply(TyDesc);
- Visitor->Apply(IsStatic);
- Visitor->Apply(IsDefinition);
-}
-
-//===----------------------------------------------------------------------===//
-
-GlobalVariableDesc::GlobalVariableDesc()
-: GlobalDesc(DW_TAG_variable)
-, Global(NULL)
-{}
-
-// Implement isa/cast/dyncast.
-bool GlobalVariableDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_variable;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the GlobalVariableDesc.
-///
-void GlobalVariableDesc::ApplyToFields(DIVisitor *Visitor) {
- GlobalDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Global);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *GlobalVariableDesc::getDescString() const {
- return "llvm.dbg.global_variable";
-}
-
-/// getTypeString - Return a string used to label this descriptors type.
-///
-const char *GlobalVariableDesc::getTypeString() const {
- return "llvm.dbg.global_variable.type";
-}
-
-/// getAnchorString - Return a string used to label this descriptor's anchor.
-///
-const char *const GlobalVariableDesc::AnchorString = "llvm.dbg.global_variables";
-const char *GlobalVariableDesc::getAnchorString() const {
- return AnchorString;
-}
-
-#ifndef NDEBUG
-void GlobalVariableDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Anchor(" << getAnchor() << "), "
- << "Name(\"" << getName() << "\"), "
- << "FullName(\"" << getFullName() << "\"), "
- << "LinkageName(\"" << getLinkageName() << "\"), "
- << "File(" << getFile() << "),"
- << "Line(" << getLine() << "),"
- << "Type(" << getType() << "), "
- << "IsStatic(" << (isStatic() ? "true" : "false") << "), "
- << "IsDefinition(" << (isDefinition() ? "true" : "false") << "), "
- << "Global(" << Global << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-SubprogramDesc::SubprogramDesc()
-: GlobalDesc(DW_TAG_subprogram)
-{}
-
-// Implement isa/cast/dyncast.
-bool SubprogramDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_subprogram;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the
-/// SubprogramDesc.
-void SubprogramDesc::ApplyToFields(DIVisitor *Visitor) {
- GlobalDesc::ApplyToFields(Visitor);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *SubprogramDesc::getDescString() const {
- return "llvm.dbg.subprogram";
-}
-
-/// getTypeString - Return a string used to label this descriptors type.
-///
-const char *SubprogramDesc::getTypeString() const {
- return "llvm.dbg.subprogram.type";
-}
-
-/// getAnchorString - Return a string used to label this descriptor's anchor.
-///
-const char *const SubprogramDesc::AnchorString = "llvm.dbg.subprograms";
-const char *SubprogramDesc::getAnchorString() const {
- return AnchorString;
-}
-
-#ifndef NDEBUG
-void SubprogramDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "), "
- << "Anchor(" << getAnchor() << "), "
- << "Name(\"" << getName() << "\"), "
- << "FullName(\"" << getFullName() << "\"), "
- << "LinkageName(\"" << getLinkageName() << "\"), "
- << "File(" << getFile() << "),"
- << "Line(" << getLine() << "),"
- << "Type(" << getType() << "), "
- << "IsStatic(" << (isStatic() ? "true" : "false") << "), "
- << "IsDefinition(" << (isDefinition() ? "true" : "false") << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-BlockDesc::BlockDesc()
-: DebugInfoDesc(DW_TAG_lexical_block)
-, Context(NULL)
-{}
-
-// Implement isa/cast/dyncast.
-bool BlockDesc::classof(const DebugInfoDesc *D) {
- return D->getTag() == DW_TAG_lexical_block;
-}
-
-/// ApplyToFields - Target the visitor to the fields of the BlockDesc.
-///
-void BlockDesc::ApplyToFields(DIVisitor *Visitor) {
- DebugInfoDesc::ApplyToFields(Visitor);
-
- Visitor->Apply(Context);
-}
-
-/// getDescString - Return a string used to compose global names and labels.
-///
-const char *BlockDesc::getDescString() const {
- return "llvm.dbg.block";
-}
-
-/// getTypeString - Return a string used to label this descriptors type.
-///
-const char *BlockDesc::getTypeString() const {
- return "llvm.dbg.block.type";
-}
-
-#ifndef NDEBUG
-void BlockDesc::dump() {
- cerr << getDescString() << " "
- << "Version(" << getVersion() << "), "
- << "Tag(" << getTag() << "),"
- << "Context(" << Context << ")\n";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-
-DebugInfoDesc *DIDeserializer::Deserialize(Value *V) {
- return Deserialize(getGlobalVariable(V));
-}
-DebugInfoDesc *DIDeserializer::Deserialize(GlobalVariable *GV) {
- // Handle NULL.
- if (!GV) return NULL;
-
- // Check to see if it has been already deserialized.
- DebugInfoDesc *&Slot = GlobalDescs[GV];
- if (Slot) return Slot;
-
- // Get the Tag from the global.
- unsigned Tag = DebugInfoDesc::TagFromGlobal(GV);
-
- // Create an empty instance of the correct sort.
- Slot = DebugInfoDesc::DescFactory(Tag);
-
- // If not a user defined descriptor.
- if (Slot) {
- // Deserialize the fields.
- DIDeserializeVisitor DRAM(*this, GV);
- DRAM.ApplyToFields(Slot);
- }
-
- return Slot;
-}
-
-//===----------------------------------------------------------------------===//
-
-/// getStrPtrType - Return a "sbyte *" type.
-///
-const PointerType *DISerializer::getStrPtrType() {
- // If not already defined.
- if (!StrPtrTy) {
- // Construct the pointer to signed bytes.
- StrPtrTy = PointerType::getUnqual(Type::Int8Ty);
- }
-
- return StrPtrTy;
-}
-
-/// getEmptyStructPtrType - Return a "{ }*" type.
-///
-const PointerType *DISerializer::getEmptyStructPtrType() {
- // If not already defined.
- if (EmptyStructPtrTy) return EmptyStructPtrTy;
-
- // Construct the pointer to empty structure type.
- const StructType *EmptyStructTy = StructType::get(NULL, NULL);
-
- // Construct the pointer to empty structure type.
- EmptyStructPtrTy = PointerType::getUnqual(EmptyStructTy);
- return EmptyStructPtrTy;
-}
-
-/// getTagType - Return the type describing the specified descriptor (via tag.)
-///
-const StructType *DISerializer::getTagType(DebugInfoDesc *DD) {
- // Attempt to get the previously defined type.
- StructType *&Ty = TagTypes[DD->getTag()];
-
- // If not already defined.
- if (!Ty) {
- // Set up fields vector.
- std::vector<const Type*> Fields;
- // Get types of fields.
- DIGetTypesVisitor GTAM(*this, Fields);
- GTAM.ApplyToFields(DD);
-
- // Construct structured type.
- Ty = StructType::get(Fields);
-
- // Register type name with module.
- M->addTypeName(DD->getTypeString(), Ty);
- }
-
- return Ty;
-}
-
-/// getString - Construct the string as constant string global.
-///
-Constant *DISerializer::getString(const std::string &String) {
- // Check string cache for previous edition.
- Constant *&Slot = StringCache[String];
-
- // Return Constant if previously defined.
- if (Slot) return Slot;
-
- // If empty string then use a sbyte* null instead.
- if (String.empty()) {
- Slot = ConstantPointerNull::get(getStrPtrType());
- } else {
- // Construct string as an llvm constant.
- Constant *ConstStr = ConstantArray::get(String);
-
- // Otherwise create and return a new string global.
- GlobalVariable *StrGV = new GlobalVariable(ConstStr->getType(), true,
- GlobalVariable::InternalLinkage,
- ConstStr, ".str", M);
- StrGV->setSection("llvm.metadata");
-
- // Convert to generic string pointer.
- Slot = ConstantExpr::getBitCast(StrGV, getStrPtrType());
- }
-
- return Slot;
-
-}
-
-/// Serialize - Recursively cast the specified descriptor into a GlobalVariable
-/// so that it can be serialized to a .bc or .ll file.
-GlobalVariable *DISerializer::Serialize(DebugInfoDesc *DD) {
- // Check if the DebugInfoDesc is already in the map.
- GlobalVariable *&Slot = DescGlobals[DD];
-
- // See if DebugInfoDesc exists, if so return prior GlobalVariable.
- if (Slot) return Slot;
-
- // Get the type associated with the Tag.
- const StructType *Ty = getTagType(DD);
-
- // Create the GlobalVariable early to prevent infinite recursion.
- GlobalVariable *GV = new GlobalVariable(Ty, true, DD->getLinkage(),
- NULL, DD->getDescString(), M);
- GV->setSection("llvm.metadata");
-
- // Insert new GlobalVariable in DescGlobals map.
- Slot = GV;
-
- // Set up elements vector
- std::vector<Constant*> Elements;
- // Add fields.
- DISerializeVisitor SRAM(*this, Elements);
- SRAM.ApplyToFields(DD);
-
- // Set the globals initializer.
- GV->setInitializer(ConstantStruct::get(Ty, Elements));
-
- return GV;
-}
-
-/// addDescriptor - Directly connect DD with existing GV.
-void DISerializer::addDescriptor(DebugInfoDesc *DD,
- GlobalVariable *GV) {
- DescGlobals[DD] = GV;
-}
-
-//===----------------------------------------------------------------------===//
-
-/// Verify - Return true if the GlobalVariable appears to be a valid
-/// serialization of a DebugInfoDesc.
-bool DIVerifier::Verify(Value *V) {
- return !V || Verify(getGlobalVariable(V));
-}
-bool DIVerifier::Verify(GlobalVariable *GV) {
- // NULLs are valid.
- if (!GV) return true;
-
- // Check prior validity.
- unsigned &ValiditySlot = Validity[GV];
-
- // If visited before then use old state.
- if (ValiditySlot) return ValiditySlot == Valid;
-
- // Assume validity for the time being (recursion.)
- ValiditySlot = Valid;
-
- // Make sure the global is internal or link once (anchor.)
- if (GV->getLinkage() != GlobalValue::InternalLinkage &&
- GV->getLinkage() != GlobalValue::LinkOnceLinkage) {
- ValiditySlot = Invalid;
- return false;
- }
-
- // Get the Tag.
- unsigned Tag = DebugInfoDesc::TagFromGlobal(GV);
-
- // Check for user defined descriptors.
- if (Tag == DW_TAG_invalid) {
- ValiditySlot = Valid;
- return true;
- }
-
- // Get the Version.
- unsigned Version = DebugInfoDesc::VersionFromGlobal(GV);
-
- // Check for version mismatch.
- if (Version != LLVMDebugVersion) {
- ValiditySlot = Invalid;
- return false;
- }
-
- // Construct an empty DebugInfoDesc.
- DebugInfoDesc *DD = DebugInfoDesc::DescFactory(Tag);
-
- // Allow for user defined descriptors.
- if (!DD) return true;
-
- // Get the initializer constant.
- ConstantStruct *CI = cast<ConstantStruct>(GV->getInitializer());
-
- // Get the operand count.
- unsigned N = CI->getNumOperands();
-
- // Get the field count.
- unsigned &CountSlot = Counts[Tag];
-
- if (!CountSlot)
- // Check the operand count to the field count
- CountSlot = CountFields(DD);
-
- // Field count must be at most equal operand count.
- if (CountSlot > N) {
- delete DD;
- ValiditySlot = Invalid;
- return false;
- }
-
- // Check each field for valid type.
- DIVerifyVisitor VRAM(*this, GV);
- VRAM.ApplyToFields(DD);
-
- // Release empty DebugInfoDesc.
- delete DD;
-
- // If fields are not valid.
- if (!VRAM.isValid()) {
- ValiditySlot = Invalid;
- return false;
- }
-
- return true;
-}
-
-/// isVerified - Return true if the specified GV has already been
-/// verified as a debug information descriptor.
-bool DIVerifier::isVerified(GlobalVariable *GV) {
- unsigned &ValiditySlot = Validity[GV];
- if (ValiditySlot) return ValiditySlot == Valid;
- return false;
-}
-
-//===----------------------------------------------------------------------===//
-
-DebugScope::~DebugScope() {
- for (unsigned i = 0, N = Scopes.size(); i < N; ++i) delete Scopes[i];
- for (unsigned j = 0, M = Variables.size(); j < M; ++j) delete Variables[j];
-}
-
-//===----------------------------------------------------------------------===//
-
MachineModuleInfo::MachineModuleInfo()
: ImmutablePass(&ID)
-, DR()
-, VR()
-, CompileUnits()
-, Directories()
-, SourceFiles()
, Lines()
, LabelIDList()
-, ScopeMap()
-, RootScope(NULL)
, FrameMoves()
, LandingPads()
, Personalities()
@@ -1660,16 +73,6 @@
/// EndFunction - Discard function meta information.
///
void MachineModuleInfo::EndFunction() {
- // Clean up scope information.
- if (RootScope) {
- delete RootScope;
- ScopeMap.clear();
- RootScope = NULL;
- }
-
- // Clean up line info.
- Lines.clear();
-
// Clean up frame info.
FrameMoves.clear();
@@ -1682,18 +85,9 @@
CallsUnwindInit = 0;
}
-/// getDescFor - Convert a Value to a debug information descriptor.
-///
-// FIXME - use new Value type when available.
-DebugInfoDesc *MachineModuleInfo::getDescFor(Value *V) {
- return DR.Deserialize(V);
-}
-
/// AnalyzeModule - Scan the module for global debug information.
///
void MachineModuleInfo::AnalyzeModule(Module &M) {
- SetupCompileUnits(M);
-
// Insert functions in the llvm.used array into UsedFunctions.
GlobalVariable *GV = M.getGlobalVariable("llvm.used");
if (!GV || !GV->hasInitializer()) return;
@@ -1710,111 +104,6 @@
}
}
-/// SetupCompileUnits - Set up the unique vector of compile units.
-///
-void MachineModuleInfo::SetupCompileUnits(Module &M) {
- std::vector<CompileUnitDesc *> CU;
- getAnchoredDescriptors<CompileUnitDesc>(M, CU);
-
- for (unsigned i = 0, N = CU.size(); i < N; i++) {
- CompileUnits.insert(CU[i]);
- }
-}
-
-/// getCompileUnits - Return a vector of debug compile units.
-///
-const UniqueVector<CompileUnitDesc *> MachineModuleInfo::getCompileUnits()const{
- return CompileUnits;
-}
-
-/// getGlobalVariablesUsing - Return all of the GlobalVariables that use the
-/// named GlobalVariable.
-void
-MachineModuleInfo::getGlobalVariablesUsing(Module &M,
- const std::string &RootName,
- std::vector<GlobalVariable*>&Result){
- return ::getGlobalVariablesUsing(M, RootName, Result);
-}
-
-/// RecordSourceLine - Records location information and associates it with a
-/// debug label. Returns a unique label ID used to generate a label and
-/// provide correspondence to the source line list.
-unsigned MachineModuleInfo::RecordSourceLine(unsigned Line, unsigned Column,
- unsigned Source) {
- unsigned ID = NextLabelID();
- Lines.push_back(SourceLineInfo(Line, Column, Source, ID));
- return ID;
-}
-
-/// RecordSource - Register a source file with debug info. Returns an source
-/// ID.
-unsigned MachineModuleInfo::RecordSource(const std::string &Directory,
- const std::string &Source) {
- unsigned DirectoryID = Directories.insert(Directory);
- return SourceFiles.insert(SourceFileInfo(DirectoryID, Source));
-}
-unsigned MachineModuleInfo::RecordSource(const CompileUnitDesc *CompileUnit) {
- return RecordSource(CompileUnit->getDirectory(),
- CompileUnit->getFileName());
-}
-
-/// RecordRegionStart - Indicate the start of a region.
-///
-unsigned MachineModuleInfo::RecordRegionStart(Value *V) {
- // FIXME - need to be able to handle split scopes because of bb cloning.
- DebugInfoDesc *ScopeDesc = DR.Deserialize(V);
- DebugScope *Scope = getOrCreateScope(ScopeDesc);
- unsigned ID = NextLabelID();
- if (!Scope->getStartLabelID()) Scope->setStartLabelID(ID);
- return ID;
-}
-
-/// RecordRegionEnd - Indicate the end of a region.
-///
-unsigned MachineModuleInfo::RecordRegionEnd(Value *V) {
- // FIXME - need to be able to handle split scopes because of bb cloning.
- DebugInfoDesc *ScopeDesc = DR.Deserialize(V);
- DebugScope *Scope = getOrCreateScope(ScopeDesc);
- unsigned ID = NextLabelID();
- Scope->setEndLabelID(ID);
- return ID;
-}
-
-/// RecordVariable - Indicate the declaration of a local variable.
-///
-void MachineModuleInfo::RecordVariable(GlobalValue *GV, unsigned FrameIndex) {
- VariableDesc *VD = cast<VariableDesc>(DR.Deserialize(GV));
- DebugScope *Scope = getOrCreateScope(VD->getContext());
- DebugVariable *DV = new DebugVariable(VD, FrameIndex);
- Scope->AddVariable(DV);
-}
-
-/// getOrCreateScope - Returns the scope associated with the given descriptor.
-///
-DebugScope *MachineModuleInfo::getOrCreateScope(DebugInfoDesc *ScopeDesc) {
- DebugScope *&Slot = ScopeMap[ScopeDesc];
- if (!Slot) {
- // FIXME - breaks down when the context is an inlined function.
- DebugInfoDesc *ParentDesc = NULL;
- if (BlockDesc *Block = dyn_cast<BlockDesc>(ScopeDesc)) {
- ParentDesc = Block->getContext();
- }
- DebugScope *Parent = ParentDesc ? getOrCreateScope(ParentDesc) : NULL;
- Slot = new DebugScope(Parent, ScopeDesc);
- if (Parent) {
- Parent->AddScope(Slot);
- } else if (RootScope) {
- // FIXME - Add inlined function scopes to the root so we can delete
- // them later. Long term, handle inlined functions properly.
- RootScope->AddScope(Slot);
- } else {
- // First function is top level function.
- RootScope = Slot;
- }
- }
- return Slot;
-}
-
//===-EH-------------------------------------------------------------------===//
/// getOrCreateLandingPadInfo - Find or create an LandingPadInfo for the
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=62199&r1=62198&r2=62199&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Tue Jan 13 17:54:55 2009
@@ -2041,7 +2041,7 @@
GlobalVariable *GV = dyn_cast<GlobalVariable>(GA->getGlobal());
if (!GV) return false;
MachineModuleInfo *MMI = getMachineModuleInfo();
- return MMI && MMI->hasDebugInfo() && MMI->isVerified(GV);
+ return MMI && MMI->hasDebugInfo();
}
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