class LLVMContext;
class raw_ostream;
+ class DIFile;
+ class DISubprogram;
+ class DILexicalBlock;
+ 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
+ };
protected:
const MDNode *DbgNode;
}
GlobalVariable *getGlobalVariableField(unsigned Elt) const;
+ Constant *getConstantField(unsigned Elt) const;
Function *getFunctionField(unsigned Elt) const;
public:
explicit DIDescriptor() : DbgNode(0) {}
explicit DIDescriptor(const MDNode *N) : DbgNode(N) {}
+ explicit DIDescriptor(const DIFile F);
+ explicit DIDescriptor(const DISubprogram F);
+ explicit DIDescriptor(const DILexicalBlock F);
+ explicit DIDescriptor(const DIVariable F);
+ explicit DIDescriptor(const DIType F);
bool Verify() const { return DbgNode != 0; }
bool isEnumerator() const;
bool isType() const;
bool isGlobal() const;
+ bool isUnspecifiedParameter() const;
};
/// DISubrange - This is used to represent ranges, for array bounds.
/// 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); }
/// 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.
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();
+ if (getVersion() == llvm::LLVMDebugVersion7)
+ return getFieldAs<DICompileUnit>(3);
+
+ return getFieldAs<DIFile>(3).getCompileUnit();
}
unsigned getLineNumber() const { return getUnsignedField(4); }
uint64_t getSizeInBits() const { return getUInt64Field(5); }
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();
+ }
+
+ /// replaceAllUsesWith - Replace all uses of debug info referenced by
+ /// this descriptor.
+ void replaceAllUsesWith(DIDescriptor &D);
/// print - print type.
void print(raw_ostream &OS) const;
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;
/// return base type size.
uint64_t getOriginalTypeSize() const;
+ /// 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.
- void replaceAllUsesWith(DIDescriptor &D);
};
/// DICompositeType - This descriptor holds a type that can refer to multiple
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 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.
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;
}
unsigned getLineNumber() const { return getUnsignedField(4); }
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;
+ }
/// Verify - Verify that a variable descriptor is well formed.
unsigned getLineNumber() const { return getUnsignedField(2); }
unsigned getColumnNumber() const { return getUnsignedField(3); }
StringRef getDirectory() const {
- DIFile F = getFieldAs<DIFile>(4);
- StringRef dir = F.getDirectory();
+ StringRef dir = getFieldAs<DIFile>(4).getDirectory();
return !dir.empty() ? dir : getContext().getDirectory();
}
StringRef getFilename() const {
- DIFile F = getFieldAs<DIFile>(4);
- StringRef filename = F.getFilename();
+ StringRef filename = getFieldAs<DIFile>(4).getFilename();
return !filename.empty() ? filename : getContext().getFilename();
}
};
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{
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;
/// implicitly uniques the values returned.
DISubrange GetOrCreateSubrange(int64_t Lo, int64_t Hi);
+ /// CreateUnspecifiedParameter - Create unspeicified type descriptor
+ /// for a subroutine type.
+ DIDescriptor CreateUnspecifiedParameter();
+
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit.
DICompileUnit CreateCompileUnit(unsigned LangID,
unsigned RunTimeLang = 0,
MDNode *ContainingType = 0);
+ /// CreateTemporaryType - Create a temporary forward-declared type.
+ DIType CreateTemporaryType();
+
/// CreateArtificialType - Create a new DIType with "artificial" flag set.
DIType CreateArtificialType(DIType Ty);
unsigned Flags,
DIType DerivedFrom,
DIArray Elements,
- unsigned RunTimeLang = 0);
+ unsigned RunTimeLang = 0,
+ MDNode *ContainingType = 0);
/// CreateSubprogram - Create a new descriptor for the specified subprogram.
/// See comments in DISubprogram for descriptions of these fields.
bool isDefinition,
unsigned VK = 0,
unsigned VIndex = 0,
- DIType = DIType(),
- bool isArtificial = 0,
+ DIType ContainingType = DIType(),
+ unsigned Flags = 0,
bool isOptimized = false,
Function *Fn = 0);
unsigned LineNo, DIType Ty, bool isLocalToUnit,
bool isDefinition, llvm::GlobalVariable *GV);
+ /// CreateGlobalVariable - Create a new descriptor for the specified constant.
+ DIGlobalVariable
+ CreateGlobalVariable(DIDescriptor Context, StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
+ DIFile F,
+ unsigned LineNo, DIType Ty, bool isLocalToUnit,
+ bool isDefinition, llvm::Constant *C);
+
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable CreateVariable(unsigned Tag, DIDescriptor Context,
StringRef Name,
DIFile F, unsigned LineNo,
- DIType Ty, bool AlwaysPreserve = false);
+ DIType Ty, bool AlwaysPreserve = false,
+ unsigned Flags = 0);
/// 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);
+ StringRef Name, DIFile F, unsigned LineNo,
+ DIType Ty, Value *const *Addr,
+ unsigned NumAddr);
/// CreateLexicalBlock - This creates a descriptor for a lexical block
/// with the specified parent context.
/// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
Instruction *InsertDbgValueIntrinsic(llvm::Value *V, uint64_t Offset,
DIVariable D, Instruction *InsertBefore);
+
+ // RecordType - Record DIType in a module such that it is not lost even if
+ // it is not referenced through debug info anchors.
+ void RecordType(DIType T);
+
private:
Constant *GetTagConstant(unsigned TAG);
};
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