class DbgDeclareInst;
class Instruction;
class MDNode;
+ class NamedMDNode;
class LLVMContext;
class raw_ostream;
+ class DIFile;
+ class DISubprogram;
+ class DILexicalBlock;
+ class DILexicalBlockFile;
+ class DIVariable;
+ class DIType;
+
/// DIDescriptor - A thin wraper around MDNode to access encoded debug info.
/// This should not be stored in a container, because underly MDNode may
/// change in certain situations.
class DIDescriptor {
+ public:
+ enum {
+ FlagPrivate = 1 << 0,
+ FlagProtected = 1 << 1,
+ FlagFwdDecl = 1 << 2,
+ FlagAppleBlock = 1 << 3,
+ FlagBlockByrefStruct = 1 << 4,
+ FlagVirtual = 1 << 5,
+ FlagArtificial = 1 << 6,
+ FlagExplicit = 1 << 7,
+ FlagPrototyped = 1 << 8,
+ FlagObjcClassComplete = 1 << 9
+ };
protected:
- MDNode *DbgNode;
+ const MDNode *DbgNode;
StringRef getStringField(unsigned Elt) const;
unsigned getUnsignedField(unsigned Elt) const {
template <typename DescTy>
DescTy getFieldAs(unsigned Elt) const {
- return DescTy(getDescriptorField(Elt).getNode());
+ return DescTy(getDescriptorField(Elt));
}
GlobalVariable *getGlobalVariableField(unsigned Elt) const;
+ Constant *getConstantField(unsigned Elt) const;
+ Function *getFunctionField(unsigned Elt) const;
public:
explicit DIDescriptor() : DbgNode(0) {}
- explicit DIDescriptor(MDNode *N) : DbgNode(N) {}
+ explicit DIDescriptor(const MDNode *N) : DbgNode(N) {}
+ explicit DIDescriptor(const DIFile F);
+ explicit DIDescriptor(const DISubprogram F);
+ explicit DIDescriptor(const DILexicalBlockFile F);
+ explicit DIDescriptor(const DILexicalBlock F);
+ explicit DIDescriptor(const DIVariable F);
+ explicit DIDescriptor(const DIType F);
bool Verify() const { return DbgNode != 0; }
- MDNode *getNode() const { return DbgNode; }
+ operator MDNode *() const { return const_cast<MDNode*>(DbgNode); }
+ MDNode *operator ->() const { return const_cast<MDNode*>(DbgNode); }
unsigned getVersion() const {
return getUnsignedField(0) & LLVMDebugVersionMask;
return getUnsignedField(0) & ~LLVMDebugVersionMask;
}
- /// ValidDebugInfo - Return true if N represents valid debug info value.
- static bool ValidDebugInfo(MDNode *N, unsigned OptLevel);
-
/// print - print descriptor.
void print(raw_ostream &OS) const;
bool isFile() const;
bool isCompileUnit() const;
bool isNameSpace() const;
+ bool isLexicalBlockFile() const;
bool isLexicalBlock() const;
bool isSubrange() const;
bool isEnumerator() const;
bool isType() const;
bool isGlobal() const;
+ bool isUnspecifiedParameter() const;
+ bool isTemplateTypeParameter() const;
+ bool isTemplateValueParameter() const;
};
/// DISubrange - This is used to represent ranges, for array bounds.
class DISubrange : public DIDescriptor {
public:
- explicit DISubrange(MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DISubrange(const MDNode *N = 0) : DIDescriptor(N) {}
int64_t getLo() const { return (int64_t)getUInt64Field(1); }
int64_t getHi() const { return (int64_t)getUInt64Field(2); }
/// DIArray - This descriptor holds an array of descriptors.
class DIArray : public DIDescriptor {
public:
- explicit DIArray(MDNode *N = 0)
+ explicit DIArray(const MDNode *N = 0)
: DIDescriptor(N) {}
unsigned getNumElements() const;
/// DIScope - A base class for various scopes.
class DIScope : public DIDescriptor {
public:
- explicit DIScope(MDNode *N = 0) : DIDescriptor (N) {}
+ explicit DIScope(const MDNode *N = 0) : DIDescriptor (N) {}
virtual ~DIScope() {}
StringRef getFilename() const;
/// DICompileUnit - A wrapper for a compile unit.
class DICompileUnit : public DIScope {
public:
- explicit DICompileUnit(MDNode *N = 0) : DIScope(N) {}
+ explicit DICompileUnit(const MDNode *N = 0) : DIScope(N) {}
- unsigned getLanguage() const { return getUnsignedField(2); }
+ unsigned getLanguage() const { return getUnsignedField(2); }
StringRef getFilename() const { return getStringField(3); }
StringRef getDirectory() const { return getStringField(4); }
StringRef getProducer() const { return getStringField(5); }
/// module does not contain any main compile unit then the code generator
/// will emit multiple compile units in the output object file.
- bool isMain() const { return getUnsignedField(6); }
- bool isOptimized() const { return getUnsignedField(7); }
+ bool isMain() const { return getUnsignedField(6) != 0; }
+ bool isOptimized() const { return getUnsignedField(7) != 0; }
StringRef getFlags() const { return getStringField(8); }
unsigned getRunTimeVersion() const { return getUnsignedField(9); }
+ DIArray getEnumTypes() const;
+ DIArray getRetainedTypes() const;
+ DIArray getSubprograms() const;
+ DIArray getGlobalVariables() const;
+
/// Verify - Verify that a compile unit is well formed.
bool Verify() const;
/// DIFile - This is a wrapper for a file.
class DIFile : public DIScope {
public:
- explicit DIFile(MDNode *N = 0) : DIScope(N) {
+ explicit DIFile(const MDNode *N = 0) : DIScope(N) {
if (DbgNode && !isFile())
DbgNode = 0;
}
StringRef getFilename() const { return getStringField(1); }
StringRef getDirectory() const { return getStringField(2); }
- DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(3); }
+ DICompileUnit getCompileUnit() const{
+ assert (getVersion() <= LLVMDebugVersion10 && "Invalid CompileUnit!");
+ return getFieldAs<DICompileUnit>(3);
+ }
};
/// DIEnumerator - A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
/// type/precision or a file/line pair for location info.
class DIEnumerator : public DIDescriptor {
public:
- explicit DIEnumerator(MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIEnumerator(const MDNode *N = 0) : DIDescriptor(N) {}
StringRef getName() const { return getStringField(1); }
uint64_t getEnumValue() const { return getUInt64Field(2); }
/// others do not require a huge and empty descriptor full of zeros.
class DIType : public DIScope {
public:
- enum {
- FlagPrivate = 1 << 0,
- FlagProtected = 1 << 1,
- FlagFwdDecl = 1 << 2,
- FlagAppleBlock = 1 << 3,
- FlagBlockByrefStruct = 1 << 4,
- FlagVirtual = 1 << 5,
- FlagArtificial = 1 << 6 // To identify artificial arguments in
- // a subroutine type. e.g. "this" in c++.
- };
-
protected:
// This ctor is used when the Tag has already been validated by a derived
// ctor.
- DIType(MDNode *N, bool, bool) : DIScope(N) {}
+ DIType(const MDNode *N, bool, bool) : DIScope(N) {}
public:
/// Verify - Verify that a type descriptor is well formed.
bool Verify() const;
public:
- explicit DIType(MDNode *N);
+ explicit DIType(const MDNode *N);
explicit DIType() {}
virtual ~DIType() {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
StringRef getName() const { return getStringField(2); }
DICompileUnit getCompileUnit() const{
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(3);
-
- DIFile F = getFieldAs<DIFile>(3);
- return F.getCompileUnit();
+ assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
+ if (getVersion() == llvm::LLVMDebugVersion7)
+ return getFieldAs<DICompileUnit>(3);
+
+ return getFieldAs<DIFile>(3).getCompileUnit();
}
+ DIFile getFile() const { return getFieldAs<DIFile>(3); }
unsigned getLineNumber() const { return getUnsignedField(4); }
uint64_t getSizeInBits() const { return getUInt64Field(5); }
uint64_t getAlignInBits() const { return getUInt64Field(6); }
bool isArtificial() const {
return (getFlags() & FlagArtificial) != 0;
}
+ bool isObjcClassComplete() const {
+ return (getFlags() & FlagObjcClassComplete) != 0;
+ }
bool isValid() const {
return DbgNode && (isBasicType() || isDerivedType() || isCompositeType());
}
- StringRef getFilename() const { return getCompileUnit().getFilename();}
- StringRef getDirectory() const { return getCompileUnit().getDirectory();}
+ StringRef getDirectory() const {
+ if (getVersion() == llvm::LLVMDebugVersion7)
+ return getCompileUnit().getDirectory();
+
+ return getFieldAs<DIFile>(3).getDirectory();
+ }
+ StringRef getFilename() const {
+ if (getVersion() == llvm::LLVMDebugVersion7)
+ return getCompileUnit().getFilename();
+
+ return getFieldAs<DIFile>(3).getFilename();
+ }
+
+ /// isUnsignedDIType - Return true if type encoding is unsigned.
+ bool isUnsignedDIType();
+
+ /// replaceAllUsesWith - Replace all uses of debug info referenced by
+ /// this descriptor.
+ void replaceAllUsesWith(DIDescriptor &D);
+ void replaceAllUsesWith(MDNode *D);
/// print - print type.
void print(raw_ostream &OS) const;
/// DIBasicType - A basic type, like 'int' or 'float'.
class DIBasicType : public DIType {
public:
- explicit DIBasicType(MDNode *N = 0) : DIType(N) {}
+ explicit DIBasicType(const MDNode *N = 0) : DIType(N) {}
unsigned getEncoding() const { return getUnsignedField(9); }
+ /// Verify - Verify that a basic type descriptor is well formed.
+ bool Verify() const;
+
/// print - print basic type.
void print(raw_ostream &OS) const;
/// a typedef, a pointer or reference, etc.
class DIDerivedType : public DIType {
protected:
- explicit DIDerivedType(MDNode *N, bool, bool)
+ explicit DIDerivedType(const MDNode *N, bool, bool)
: DIType(N, true, true) {}
public:
- explicit DIDerivedType(MDNode *N = 0)
+ explicit DIDerivedType(const MDNode *N = 0)
: DIType(N, true, true) {}
DIType getTypeDerivedFrom() const { return getFieldAs<DIType>(9); }
/// return base type size.
uint64_t getOriginalTypeSize() const;
+ StringRef getObjCPropertyName() const { return getStringField(10); }
+ StringRef getObjCPropertyGetterName() const {
+ return getStringField(11);
+ }
+ StringRef getObjCPropertySetterName() const {
+ return getStringField(12);
+ }
+ bool isReadOnlyObjCProperty() {
+ return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_readonly) != 0;
+ }
+ bool isReadWriteObjCProperty() {
+ return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_readwrite) != 0;
+ }
+ bool isAssignObjCProperty() {
+ return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_assign) != 0;
+ }
+ bool isRetainObjCProperty() {
+ return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_retain) != 0;
+ }
+ bool isCopyObjCProperty() {
+ return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_copy) != 0;
+ }
+ bool isNonAtomicObjCProperty() {
+ return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_nonatomic) != 0;
+ }
+
+ /// Verify - Verify that a derived type descriptor is well formed.
+ bool Verify() const;
+
/// print - print derived type.
void print(raw_ostream &OS) const;
/// dump - print derived type to dbgs() with a newline.
void dump() const;
-
- /// replaceAllUsesWith - Replace all uses of debug info referenced by
- /// this descriptor. After this completes, the current debug info value
- /// is erased.
- void replaceAllUsesWith(DIDescriptor &D);
};
/// DICompositeType - This descriptor holds a type that can refer to multiple
/// FIXME: Why is this a DIDerivedType??
class DICompositeType : public DIDerivedType {
public:
- explicit DICompositeType(MDNode *N = 0)
+ explicit DICompositeType(const MDNode *N = 0)
: DIDerivedType(N, true, true) {
if (N && !isCompositeType())
DbgNode = 0;
DICompositeType getContainingType() const {
return getFieldAs<DICompositeType>(12);
}
+ DIArray getTemplateParams() const { return getFieldAs<DIArray>(13); }
/// Verify - Verify that a composite type descriptor is well formed.
bool Verify() const;
void dump() const;
};
- /// DIGlobal - This is a common class for global variables and subprograms.
- class DIGlobal : public DIDescriptor {
- protected:
- explicit DIGlobal(MDNode *N) : DIDescriptor(N) {}
-
+ /// DITemplateTypeParameter - This is a wrapper for template type parameter.
+ class DITemplateTypeParameter : public DIDescriptor {
public:
- virtual ~DIGlobal() {}
+ explicit DITemplateTypeParameter(const MDNode *N = 0) : DIDescriptor(N) {}
- DIScope getContext() const { return getFieldAs<DIScope>(2); }
- StringRef getName() const { return getStringField(3); }
- StringRef getDisplayName() const { return getStringField(4); }
- StringRef getLinkageName() const { return getStringField(5); }
- DICompileUnit getCompileUnit() const{
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(6);
-
- DIFile F = getFieldAs<DIFile>(6);
- return F.getCompileUnit();
+ DIScope getContext() const { return getFieldAs<DIScope>(1); }
+ StringRef getName() const { return getStringField(2); }
+ DIType getType() const { return getFieldAs<DIType>(3); }
+ StringRef getFilename() const {
+ return getFieldAs<DIFile>(4).getFilename();
}
+ StringRef getDirectory() const {
+ return getFieldAs<DIFile>(4).getDirectory();
+ }
+ unsigned getLineNumber() const { return getUnsignedField(5); }
+ unsigned getColumnNumber() const { return getUnsignedField(6); }
+ };
- unsigned getLineNumber() const { return getUnsignedField(7); }
- DIType getType() const { return getFieldAs<DIType>(8); }
-
- /// isLocalToUnit - Return true if this subprogram is local to the current
- /// compile unit, like 'static' in C.
- unsigned isLocalToUnit() const { return getUnsignedField(9); }
- unsigned isDefinition() const { return getUnsignedField(10); }
-
- /// print - print global.
- void print(raw_ostream &OS) const;
+ /// DITemplateValueParameter - This is a wrapper for template value parameter.
+ class DITemplateValueParameter : public DIDescriptor {
+ public:
+ explicit DITemplateValueParameter(const MDNode *N = 0) : DIDescriptor(N) {}
- /// dump - print global to dbgs() with a newline.
- void dump() const;
+ DIScope getContext() const { return getFieldAs<DIScope>(1); }
+ StringRef getName() const { return getStringField(2); }
+ DIType getType() const { return getFieldAs<DIType>(3); }
+ uint64_t getValue() const { return getUInt64Field(4); }
+ StringRef getFilename() const {
+ return getFieldAs<DIFile>(5).getFilename();
+ }
+ StringRef getDirectory() const {
+ return getFieldAs<DIFile>(5).getDirectory();
+ }
+ unsigned getLineNumber() const { return getUnsignedField(6); }
+ unsigned getColumnNumber() const { return getUnsignedField(7); }
};
/// DISubprogram - This is a wrapper for a subprogram (e.g. a function).
class DISubprogram : public DIScope {
public:
- explicit DISubprogram(MDNode *N = 0) : DIScope(N) {}
+ explicit DISubprogram(const MDNode *N = 0) : DIScope(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(2); }
StringRef getName() const { return getStringField(3); }
StringRef getDisplayName() const { return getStringField(4); }
StringRef getLinkageName() const { return getStringField(5); }
DICompileUnit getCompileUnit() const{
+ assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
if (getVersion() == llvm::LLVMDebugVersion7)
return getFieldAs<DICompileUnit>(6);
- DIFile F = getFieldAs<DIFile>(6);
- return F.getCompileUnit();
+ return getFieldAs<DIFile>(6).getCompileUnit();
}
unsigned getLineNumber() const { return getUnsignedField(7); }
DICompositeType getType() const { return getFieldAs<DICompositeType>(8); }
DICompositeType DCT(getFieldAs<DICompositeType>(8));
if (DCT.Verify()) {
DIArray A = DCT.getTypeArray();
- DIType T(A.getElement(0).getNode());
+ DIType T(A.getElement(0));
return T.getName();
}
DIType T(getFieldAs<DIType>(8));
DICompositeType getContainingType() const {
return getFieldAs<DICompositeType>(13);
}
- unsigned isArtificial() const { return getUnsignedField(14); }
+ unsigned isArtificial() const {
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return getUnsignedField(14);
+ return (getUnsignedField(14) & FlagArtificial) != 0;
+ }
+ /// isPrivate - Return true if this subprogram has "private"
+ /// access specifier.
+ bool isPrivate() const {
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return false;
+ return (getUnsignedField(14) & FlagPrivate) != 0;
+ }
+ /// isProtected - Return true if this subprogram has "protected"
+ /// access specifier.
+ bool isProtected() const {
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return false;
+ return (getUnsignedField(14) & FlagProtected) != 0;
+ }
+ /// isExplicit - Return true if this subprogram is marked as explicit.
+ bool isExplicit() const {
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return false;
+ return (getUnsignedField(14) & FlagExplicit) != 0;
+ }
+ /// isPrototyped - Return true if this subprogram is prototyped.
+ bool isPrototyped() const {
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return false;
+ return (getUnsignedField(14) & FlagPrototyped) != 0;
+ }
+
unsigned isOptimized() const;
StringRef getFilename() const {
if (getVersion() == llvm::LLVMDebugVersion7)
return getCompileUnit().getFilename();
- DIFile F = getFieldAs<DIFile>(6);
- return F.getFilename();
+ return getFieldAs<DIFile>(6).getFilename();
}
StringRef getDirectory() const {
if (getVersion() == llvm::LLVMDebugVersion7)
return getCompileUnit().getFilename();
- DIFile F = getFieldAs<DIFile>(6);
- return F.getDirectory();
+ return getFieldAs<DIFile>(6).getDirectory();
}
/// Verify - Verify that a subprogram descriptor is well formed.
/// describes - Return true if this subprogram provides debugging
/// information for the function F.
bool describes(const Function *F);
+
+ Function *getFunction() const { return getFunctionField(16); }
+ DIArray getTemplateParams() const { return getFieldAs<DIArray>(17); }
+ DISubprogram getFunctionDeclaration() const {
+ return getFieldAs<DISubprogram>(18);
+ }
+ MDNode *getVariablesNodes() const;
+ DIArray getVariables() const;
};
/// DIGlobalVariable - This is a wrapper for a global variable.
- class DIGlobalVariable : public DIGlobal {
+ class DIGlobalVariable : public DIDescriptor {
public:
- explicit DIGlobalVariable(MDNode *N = 0) : DIGlobal(N) {}
+ explicit DIGlobalVariable(const MDNode *N = 0) : DIDescriptor(N) {}
+
+ DIScope getContext() const { return getFieldAs<DIScope>(2); }
+ StringRef getName() const { return getStringField(3); }
+ StringRef getDisplayName() const { return getStringField(4); }
+ StringRef getLinkageName() const { return getStringField(5); }
+ DICompileUnit getCompileUnit() const{
+ assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
+ if (getVersion() == llvm::LLVMDebugVersion7)
+ return getFieldAs<DICompileUnit>(6);
+
+ DIFile F = getFieldAs<DIFile>(6);
+ return F.getCompileUnit();
+ }
+ StringRef getFilename() const {
+ if (getVersion() <= llvm::LLVMDebugVersion10)
+ return getContext().getFilename();
+ return getFieldAs<DIFile>(6).getFilename();
+ }
+ StringRef getDirectory() const {
+ if (getVersion() <= llvm::LLVMDebugVersion10)
+ return getContext().getDirectory();
+ return getFieldAs<DIFile>(6).getDirectory();
+
+ }
+
+ unsigned getLineNumber() const { return getUnsignedField(7); }
+ DIType getType() const { return getFieldAs<DIType>(8); }
+ unsigned isLocalToUnit() const { return getUnsignedField(9); }
+ unsigned isDefinition() const { return getUnsignedField(10); }
GlobalVariable *getGlobal() const { return getGlobalVariableField(11); }
+ Constant *getConstant() const { return getConstantField(11); }
/// Verify - Verify that a global variable descriptor is well formed.
bool Verify() const;
/// global etc).
class DIVariable : public DIDescriptor {
public:
- explicit DIVariable(MDNode *N = 0)
+ explicit DIVariable(const MDNode *N = 0)
: DIDescriptor(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
StringRef getName() const { return getStringField(2); }
- DICompileUnit getCompileUnit() const{
+ DICompileUnit getCompileUnit() const {
+ assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
if (getVersion() == llvm::LLVMDebugVersion7)
return getFieldAs<DICompileUnit>(3);
DIFile F = getFieldAs<DIFile>(3);
return F.getCompileUnit();
}
- unsigned getLineNumber() const { return getUnsignedField(4); }
+ unsigned getLineNumber() const {
+ return (getUnsignedField(4) << 8) >> 8;
+ }
+ unsigned getArgNumber() const {
+ unsigned L = getUnsignedField(4);
+ return L >> 24;
+ }
DIType getType() const { return getFieldAs<DIType>(5); }
+
+ /// isArtificial - Return true if this variable is marked as "artificial".
+ bool isArtificial() const {
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return false;
+ return (getUnsignedField(6) & FlagArtificial) != 0;
+ }
+ /// getInlinedAt - If this variable is inlined then return inline location.
+ MDNode *getInlinedAt() const;
/// Verify - Verify that a variable descriptor is well formed.
bool Verify() const;
unsigned getNumAddrElements() const;
uint64_t getAddrElement(unsigned Idx) const {
- return getUInt64Field(Idx+6);
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return getUInt64Field(Idx+6);
+ if (getVersion() == llvm::LLVMDebugVersion9)
+ return getUInt64Field(Idx+7);
+ return getUInt64Field(Idx+8);
}
/// isBlockByrefVariable - Return true if the variable was declared as
/// print - print variable.
void print(raw_ostream &OS) const;
+ void printExtendedName(raw_ostream &OS) const;
+
/// dump - print variable to dbgs() with a newline.
void dump() const;
};
/// DILexicalBlock - This is a wrapper for a lexical block.
class DILexicalBlock : public DIScope {
public:
- explicit DILexicalBlock(MDNode *N = 0) : DIScope(N) {}
+ explicit DILexicalBlock(const MDNode *N = 0) : DIScope(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getDirectory() const { return getContext().getDirectory(); }
- StringRef getFilename() const { return getContext().getFilename(); }
unsigned getLineNumber() const { return getUnsignedField(2); }
unsigned getColumnNumber() const { return getUnsignedField(3); }
+ StringRef getDirectory() const {
+ StringRef dir = getFieldAs<DIFile>(4).getDirectory();
+ return !dir.empty() ? dir : getContext().getDirectory();
+ }
+ StringRef getFilename() const {
+ StringRef filename = getFieldAs<DIFile>(4).getFilename();
+ return !filename.empty() ? filename : getContext().getFilename();
+ }
+ };
+
+ /// DILexicalBlockFile - This is a wrapper for a lexical block with
+ /// a filename change.
+ class DILexicalBlockFile : public DIScope {
+ public:
+ explicit DILexicalBlockFile(const MDNode *N = 0) : DIScope(N) {}
+ DIScope getContext() const { return getScope().getContext(); }
+ unsigned getLineNumber() const { return getScope().getLineNumber(); }
+ unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
+ StringRef getDirectory() const {
+ StringRef dir = getFieldAs<DIFile>(2).getDirectory();
+ return !dir.empty() ? dir : getContext().getDirectory();
+ }
+ StringRef getFilename() const {
+ StringRef filename = getFieldAs<DIFile>(2).getFilename();
+ assert(!filename.empty() && "Why'd you create this then?");
+ return filename;
+ }
+ DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(1); }
};
/// DINameSpace - A wrapper for a C++ style name space.
class DINameSpace : public DIScope {
public:
- explicit DINameSpace(MDNode *N = 0) : DIScope(N) {}
+ explicit DINameSpace(const MDNode *N = 0) : DIScope(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
StringRef getName() const { return getStringField(2); }
- StringRef getDirectory() const { return getContext().getDirectory(); }
- StringRef getFilename() const { return getContext().getFilename(); }
+ StringRef getDirectory() const {
+ return getFieldAs<DIFile>(3).getDirectory();
+ }
+ StringRef getFilename() const {
+ return getFieldAs<DIFile>(3).getFilename();
+ }
DICompileUnit getCompileUnit() const{
+ assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
if (getVersion() == llvm::LLVMDebugVersion7)
return getFieldAs<DICompileUnit>(3);
- DIFile F = getFieldAs<DIFile>(3);
- return F.getCompileUnit();
+ return getFieldAs<DIFile>(3).getCompileUnit();
}
unsigned getLineNumber() const { return getUnsignedField(4); }
+ bool Verify() const;
};
/// DILocation - This object holds location information. This object
/// is not associated with any DWARF tag.
class DILocation : public DIDescriptor {
public:
- explicit DILocation(MDNode *N) : DIDescriptor(N) { }
+ explicit DILocation(const MDNode *N) : DIDescriptor(N) { }
unsigned getLineNumber() const { return getUnsignedField(0); }
unsigned getColumnNumber() const { return getUnsignedField(1); }
bool Verify() const;
};
- /// DIFactory - This object assists with the construction of the various
- /// descriptors.
- class DIFactory {
- Module &M;
- LLVMContext& VMContext;
+ /// getDISubprogram - Find subprogram that is enclosing this scope.
+ DISubprogram getDISubprogram(const MDNode *Scope);
+
+ /// getDICompositeType - Find underlying composite type.
+ DICompositeType getDICompositeType(DIType T);
- Function *DeclareFn; // llvm.dbg.declare
- Function *ValueFn; // llvm.dbg.value
+ /// isSubprogramContext - Return true if Context is either a subprogram
+ /// or another context nested inside a subprogram.
+ bool isSubprogramContext(const MDNode *Context);
- DIFactory(const DIFactory &); // DO NOT IMPLEMENT
- void operator=(const DIFactory&); // DO NOT IMPLEMENT
- public:
- enum ComplexAddrKind { OpPlus=1, OpDeref };
-
- explicit DIFactory(Module &m);
-
- /// GetOrCreateArray - Create an descriptor for an array of descriptors.
- /// This implicitly uniques the arrays created.
- DIArray GetOrCreateArray(DIDescriptor *Tys, unsigned NumTys);
-
- /// GetOrCreateSubrange - Create a descriptor for a value range. This
- /// implicitly uniques the values returned.
- DISubrange GetOrCreateSubrange(int64_t Lo, int64_t Hi);
-
- /// CreateCompileUnit - Create a new descriptor for the specified compile
- /// unit.
- DICompileUnit CreateCompileUnit(unsigned LangID,
- StringRef Filename,
- StringRef Directory,
- StringRef Producer,
- bool isMain = false,
- bool isOptimized = false,
- StringRef Flags = "",
- unsigned RunTimeVer = 0);
-
- /// CreateFile - Create a new descriptor for the specified file.
- DIFile CreateFile(StringRef Filename, StringRef Directory, DICompileUnit CU);
-
- /// CreateEnumerator - Create a single enumerator value.
- DIEnumerator CreateEnumerator(StringRef Name, uint64_t Val);
-
- /// CreateBasicType - Create a basic type like int, float, etc.
- DIBasicType CreateBasicType(DIDescriptor Context, StringRef Name,
- DIFile F, unsigned LineNumber,
- uint64_t SizeInBits, uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- unsigned Encoding);
-
- /// CreateBasicType - Create a basic type like int, float, etc.
- DIBasicType CreateBasicTypeEx(DIDescriptor Context, StringRef Name,
- DIFile F, unsigned LineNumber,
- Constant *SizeInBits, Constant *AlignInBits,
- Constant *OffsetInBits, unsigned Flags,
- unsigned Encoding);
-
- /// CreateDerivedType - Create a derived type like const qualified type,
- /// pointer, typedef, etc.
- DIDerivedType CreateDerivedType(unsigned Tag, DIDescriptor Context,
- StringRef Name,
- DIFile F,
- unsigned LineNumber,
- uint64_t SizeInBits, uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType DerivedFrom);
-
- /// CreateDerivedType - Create a derived type like const qualified type,
- /// pointer, typedef, etc.
- DIDerivedType CreateDerivedTypeEx(unsigned Tag, DIDescriptor Context,
- StringRef Name,
- DIFile F,
- unsigned LineNumber,
- Constant *SizeInBits,
- Constant *AlignInBits,
- Constant *OffsetInBits, unsigned Flags,
- DIType DerivedFrom);
-
- /// CreateCompositeType - Create a composite type like array, struct, etc.
- DICompositeType CreateCompositeType(unsigned Tag, DIDescriptor Context,
- StringRef Name,
- DIFile F,
- unsigned LineNumber,
- uint64_t SizeInBits,
- uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType DerivedFrom,
- DIArray Elements,
- unsigned RunTimeLang = 0,
- MDNode *ContainingType = 0);
-
- /// CreateArtificialType - Create a new DIType with "artificial" flag set.
- DIType CreateArtificialType(DIType Ty);
-
- /// CreateCompositeType - Create a composite type like array, struct, etc.
- DICompositeType CreateCompositeTypeEx(unsigned Tag, DIDescriptor Context,
- StringRef Name,
- DIFile F,
- unsigned LineNumber,
- Constant *SizeInBits,
- Constant *AlignInBits,
- Constant *OffsetInBits,
- unsigned Flags,
- DIType DerivedFrom,
- DIArray Elements,
- unsigned RunTimeLang = 0);
-
- /// CreateSubprogram - Create a new descriptor for the specified subprogram.
- /// See comments in DISubprogram for descriptions of these fields.
- DISubprogram CreateSubprogram(DIDescriptor Context, StringRef Name,
- StringRef DisplayName,
- StringRef LinkageName,
- DIFile F, unsigned LineNo,
- DIType Ty, bool isLocalToUnit,
- bool isDefinition,
- unsigned VK = 0,
- unsigned VIndex = 0,
- DIType = DIType(),
- bool isArtificial = 0,
- bool isOptimized = false);
-
- /// CreateSubprogramDefinition - Create new subprogram descriptor for the
- /// given declaration.
- DISubprogram CreateSubprogramDefinition(DISubprogram &SPDeclaration);
-
- /// CreateGlobalVariable - Create a new descriptor for the specified global.
- DIGlobalVariable
- CreateGlobalVariable(DIDescriptor Context, StringRef Name,
- StringRef DisplayName,
- StringRef LinkageName,
- DIFile F,
- unsigned LineNo, DIType Ty, bool isLocalToUnit,
- bool isDefinition, llvm::GlobalVariable *GV);
-
- /// CreateVariable - Create a new descriptor for the specified variable.
- DIVariable CreateVariable(unsigned Tag, DIDescriptor Context,
- StringRef Name,
- DIFile F, unsigned LineNo,
- DIType Ty);
-
- /// CreateComplexVariable - Create a new descriptor for the specified
- /// variable which has a complex address expression for its address.
- DIVariable CreateComplexVariable(unsigned Tag, DIDescriptor Context,
- const std::string &Name,
- DIFile F, unsigned LineNo,
- DIType Ty,
- SmallVector<Value *, 9> &addr);
-
- /// CreateLexicalBlock - This creates a descriptor for a lexical block
- /// with the specified parent context.
- DILexicalBlock CreateLexicalBlock(DIDescriptor Context, unsigned Line = 0,
- unsigned Col = 0);
-
- /// CreateNameSpace - This creates new descriptor for a namespace
- /// with the specified parent context.
- DINameSpace CreateNameSpace(DIDescriptor Context, StringRef Name,
- DIFile F, unsigned LineNo);
-
- /// CreateLocation - Creates a debug info location.
- DILocation CreateLocation(unsigned LineNo, unsigned ColumnNo,
- DIScope S, DILocation OrigLoc);
-
- /// CreateLocation - Creates a debug info location.
- DILocation CreateLocation(unsigned LineNo, unsigned ColumnNo,
- DIScope S, MDNode *OrigLoc = 0);
-
- /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
- Instruction *InsertDeclare(llvm::Value *Storage, DIVariable D,
- BasicBlock *InsertAtEnd);
-
- /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
- Instruction *InsertDeclare(llvm::Value *Storage, DIVariable D,
- Instruction *InsertBefore);
-
- /// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
- Instruction *InsertDbgValueIntrinsic(llvm::Value *V, uint64_t Offset,
- DIVariable D, BasicBlock *InsertAtEnd);
-
- /// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
- Instruction *InsertDbgValueIntrinsic(llvm::Value *V, uint64_t Offset,
- DIVariable D, Instruction *InsertBefore);
- private:
- Constant *GetTagConstant(unsigned TAG);
- };
+ /// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
+ /// to hold function specific information.
+ NamedMDNode *getOrInsertFnSpecificMDNode(Module &M, DISubprogram SP);
- bool getLocationInfo(const Value *V, std::string &DisplayName,
- std::string &Type, unsigned &LineNo, std::string &File,
- std::string &Dir);
+ /// getFnSpecificMDNode - Return a NameMDNode, if available, that is
+ /// suitable to hold function specific information.
+ NamedMDNode *getFnSpecificMDNode(const Module &M, DISubprogram SP);
- /// getDISubprogram - Find subprogram that is enclosing this scope.
- DISubprogram getDISubprogram(MDNode *Scope);
+ /// createInlinedVariable - Create a new inlined variable based on current
+ /// variable.
+ /// @param DV Current Variable.
+ /// @param InlinedScope Location at current variable is inlined.
+ DIVariable createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
+ LLVMContext &VMContext);
- /// getDICompositeType - Find underlying composite type.
- DICompositeType getDICompositeType(DIType T);
+ /// cleanseInlinedVariable - Remove inlined scope from the variable.
+ DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext);
class DebugInfoFinder {
public: