"Tag too large for debug encoding!");
return ConstantInt::get(Type::getInt32Ty(VMContext), Tag | LLVMDebugVersion);
}
+
DIBuilder::DIBuilder(Module &m)
- : M(m), VMContext(M.getContext()), TheCU(0) {}
+ : M(m), VMContext(M.getContext()), TheCU(0), DeclareFn(0), ValueFn(0) {}
-/// CreateCompileUnit - A CompileUnit provides an anchor for all debugging
+/// createCompileUnit - A CompileUnit provides an anchor for all debugging
/// information generated during this instance of compilation.
-void DIBuilder::CreateCompileUnit(unsigned Lang, StringRef Filename,
+void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
StringRef Directory, StringRef Producer,
bool isOptimized, StringRef Flags,
unsigned RunTimeVer) {
TheCU = DICompileUnit(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateFile - Create a file descriptor to hold debugging information
+/// createFile - Create a file descriptor to hold debugging information
/// for a file.
-DIFile DIBuilder::CreateFile(StringRef Filename, StringRef Directory) {
+DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {
assert(TheCU && "Unable to create DW_TAG_file_type without CompileUnit");
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_file_type),
return DIFile(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateEnumerator - Create a single enumerator value.
-DIEnumerator DIBuilder::CreateEnumerator(StringRef Name, uint64_t Val) {
+/// createEnumerator - Create a single enumerator value.
+DIEnumerator DIBuilder::createEnumerator(StringRef Name, uint64_t Val) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_enumerator),
MDString::get(VMContext, Name),
return DIEnumerator(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateBasicType - Create debugging information entry for a basic
+/// createBasicType - Create debugging information entry for a basic
/// type, e.g 'char'.
-DIType DIBuilder::CreateBasicType(StringRef Name, uint64_t SizeInBits,
+DIType DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,
uint64_t AlignInBits,
unsigned Encoding) {
// Basic types are encoded in DIBasicType format. Line number, filename,
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateQaulifiedType - Create debugging information entry for a qualified
+/// createQaulifiedType - Create debugging information entry for a qualified
/// type, e.g. 'const int'.
-DIType DIBuilder::CreateQualifiedType(unsigned Tag, DIType FromTy) {
+DIType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
// Qualified types are encoded in DIDerivedType format.
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreatePointerType - Create debugging information entry for a pointer.
-DIType DIBuilder::CreatePointerType(DIType PointeeTy, uint64_t SizeInBits,
+/// createPointerType - Create debugging information entry for a pointer.
+DIType DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits,
uint64_t AlignInBits, StringRef Name) {
// Pointer types are encoded in DIDerivedType format.
Value *Elts[] = {
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateReferenceType - Create debugging information entry for a reference.
-DIType DIBuilder::CreateReferenceType(DIType RTy) {
+/// createReferenceType - Create debugging information entry for a reference.
+DIType DIBuilder::createReferenceType(DIType RTy) {
// References are encoded in DIDerivedType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_reference_type),
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateTypedef - Create debugging information entry for a typedef.
-DIType DIBuilder::CreateTypedef(DIType Ty, StringRef Name, DIFile File,
+/// createTypedef - Create debugging information entry for a typedef.
+DIType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
unsigned LineNo) {
// typedefs are encoded in DIDerivedType format.
assert(Ty.Verify() && "Invalid typedef type!");
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateFriend - Create debugging information entry for a 'friend'.
-DIType DIBuilder::CreateFriend(DIType Ty, DIType FriendTy) {
+/// createFriend - Create debugging information entry for a 'friend'.
+DIType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
// typedefs are encoded in DIDerivedType format.
assert(Ty.Verify() && "Invalid type!");
assert(FriendTy.Verify() && "Invalid friend type!");
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateInheritance - Create debugging information entry to establish
+/// createInheritance - Create debugging information entry to establish
/// inheritnace relationship between two types.
-DIType DIBuilder::CreateInheritance(DIType Ty, DIType BaseTy,
+DIType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
uint64_t BaseOffset, unsigned Flags) {
// TAG_inheritance is encoded in DIDerivedType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_inheritance),
Ty,
NULL, // Name
- NULL, // File
+ Ty.getFile(),
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateMemberType - Create debugging information entry for a member.
-DIType DIBuilder::CreateMemberType(DIDescriptor Context, StringRef Name,
- DIFile F, unsigned LineNumber,
+/// createMemberType - Create debugging information entry for a member.
+DIType DIBuilder::createMemberType(StringRef Name,
+ DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
DIType Ty) {
// TAG_member is encoded in DIDerivedType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_member),
- Context,
+ File, // Or TheCU ? Ty ?
MDString::get(VMContext, Name),
- F,
+ File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
}
-/// CreateArtificialType - Create a new DIType with "artificial" flag set.
-DIType DIBuilder::CreateArtificialType(DIType Ty) {
+/// createObjCIVar - Create debugging information entry for Objective-C
+/// instance variable.
+DIType DIBuilder::createObjCIVar(StringRef Name,
+ DIFile File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits,
+ uint64_t OffsetInBits, unsigned Flags,
+ DIType Ty, StringRef PropertyName,
+ StringRef GetterName, StringRef SetterName,
+ unsigned PropertyAttributes) {
+ // TAG_member is encoded in DIDerivedType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_member),
+ File, // Or TheCU ? Ty ?
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ Ty,
+ MDString::get(VMContext, PropertyName),
+ MDString::get(VMContext, GetterName),
+ MDString::get(VMContext, SetterName),
+ ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes)
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createClassType - Create debugging information entry for a class.
+DIType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
+ DIFile File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits,
+ uint64_t OffsetInBits, unsigned Flags,
+ DIType DerivedFrom, DIArray Elements,
+ MDNode *VTableHoder, MDNode *TemplateParams) {
+ // TAG_class_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_class_type),
+ Context,
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ DerivedFrom,
+ Elements,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ VTableHoder,
+ TemplateParams
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createTemplateTypeParameter - Create debugging information for template
+/// type parameter.
+DITemplateTypeParameter
+DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name,
+ DIType Ty, MDNode *File, unsigned LineNo,
+ unsigned ColumnNo) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_template_type_parameter),
+ Context,
+ MDString::get(VMContext, Name),
+ Ty,
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
+ };
+ return DITemplateTypeParameter(MDNode::get(VMContext, &Elts[0],
+ array_lengthof(Elts)));
+}
+
+/// createTemplateValueParameter - Create debugging information for template
+/// value parameter.
+DITemplateValueParameter
+DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
+ DIType Ty, uint64_t Val,
+ MDNode *File, unsigned LineNo,
+ unsigned ColumnNo) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter),
+ Context,
+ MDString::get(VMContext, Name),
+ Ty,
+ ConstantInt::get(Type::getInt64Ty(VMContext), Val),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
+ };
+ return DITemplateValueParameter(MDNode::get(VMContext, &Elts[0],
+ array_lengthof(Elts)));
+}
+
+/// createStructType - Create debugging information entry for a struct.
+DIType DIBuilder::createStructType(DIDescriptor Context, StringRef Name,
+ DIFile File, unsigned LineNumber,
+ uint64_t SizeInBits, uint64_t AlignInBits,
+ unsigned Flags, DIArray Elements,
+ unsigned RunTimeLang) {
+ // TAG_structure_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_structure_type),
+ Context,
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Elements,
+ ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createUnionType - Create debugging information entry for an union.
+DIType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
+ DIFile File,
+ unsigned LineNumber, uint64_t SizeInBits,
+ uint64_t AlignInBits, unsigned Flags,
+ DIArray Elements, unsigned RunTimeLang) {
+ // TAG_union_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_union_type),
+ Scope,
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Elements,
+ ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createSubroutineType - Create subroutine type.
+DIType DIBuilder::createSubroutineType(DIFile File, DIArray ParameterTypes) {
+ // TAG_subroutine_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
+ File,
+ MDString::get(VMContext, ""),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt64Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt64Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ ParameterTypes,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createEnumerationType - Create debugging information entry for an
+/// enumeration.
+DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name,
+ DIFile File, unsigned LineNumber,
+ uint64_t SizeInBits,
+ uint64_t AlignInBits, DIArray Elements) {
+ // TAG_enumeration_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
+ Scope,
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Elements,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ };
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ return DIType(Node);
+}
+
+/// createArrayType - Create debugging information entry for an array.
+DIType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
+ DIType Ty, DIArray Subscripts) {
+ // TAG_array_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
+ TheCU,
+ MDString::get(VMContext, ""),
+ TheCU,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Size),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ Ty,
+ Subscripts,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createVectorType - Create debugging information entry for a vector.
+DIType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
+ DIType Ty, DIArray Subscripts) {
+ // TAG_vector_type is encoded in DICompositeType format.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_vector_type),
+ TheCU,
+ MDString::get(VMContext, ""),
+ TheCU,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Size),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ Ty,
+ Subscripts,
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ };
+ return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// createArtificialType - Create a new DIType with "artificial" flag set.
+DIType DIBuilder::createArtificialType(DIType Ty) {
if (Ty.isArtificial())
return Ty;
return DIType(MDNode::get(VMContext, Elts.data(), Elts.size()));
}
+
+/// retainType - Retain DIType in a module even if it is not referenced
+/// through debug info anchors.
+void DIBuilder::retainType(DIType T) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty");
+ NMD->addOperand(T);
+}
+
+/// createUnspecifiedParameter - Create unspeicified type descriptor
+/// for the subroutine type.
+DIDescriptor DIBuilder::createUnspecifiedParameter() {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_parameters)
+ };
+ return DIDescriptor(MDNode::get(VMContext, &Elts[0], 1));
+}
+
+/// createTemporaryType - Create a temporary forward-declared type.
+DIType DIBuilder::createTemporaryType() {
+ // Give the temporary MDNode a tag. It doesn't matter what tag we
+ // use here as long as DIType accepts it.
+ Value *Elts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
+ MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
+ return DIType(Node);
+}
+
+/// createTemporaryType - Create a temporary forward-declared type.
+DIType DIBuilder::createTemporaryType(DIFile F) {
+ // Give the temporary MDNode a tag. It doesn't matter what tag we
+ // use here as long as DIType accepts it.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, DW_TAG_base_type),
+ F.getCompileUnit(),
+ NULL,
+ F
+ };
+ MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
+ return DIType(Node);
+}
+
+/// getOrCreateArray - Get a DIArray, create one if required.
+DIArray DIBuilder::getOrCreateArray(Value *const *Elements, unsigned NumElements) {
+ if (NumElements == 0) {
+ Value *Null = llvm::Constant::getNullValue(Type::getInt32Ty(VMContext));
+ return DIArray(MDNode::get(VMContext, &Null, 1));
+ }
+ return DIArray(MDNode::get(VMContext, Elements, NumElements));
+}
+
+/// getOrCreateSubrange - Create a descriptor for a value range. This
+/// implicitly uniques the values returned.
+DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Hi) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_subrange_type),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Hi)
+ };
+
+ return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
+}
+
+/// createGlobalVariable - Create a new descriptor for the specified global.
+DIGlobalVariable DIBuilder::
+createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber,
+ DIType Ty, bool isLocalToUnit, llvm::Value *Val) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_variable),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ TheCU,
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, Name),
+ F,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ Ty,
+ ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
+ Val
+ };
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
+ NMD->addOperand(Node);
+ return DIGlobalVariable(Node);
+}
+
+/// createStaticVariable - Create a new descriptor for the specified static
+/// variable.
+DIGlobalVariable DIBuilder::
+createStaticVariable(DIDescriptor Context, StringRef Name,
+ StringRef LinkageName, DIFile F, unsigned LineNumber,
+ DIType Ty, bool isLocalToUnit, llvm::Value *Val) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_variable),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context,
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, LinkageName),
+ F,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ Ty,
+ ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
+ Val
+ };
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
+ NMD->addOperand(Node);
+ return DIGlobalVariable(Node);
+}
+
+/// createVariable - Create a new descriptor for the specified variable.
+DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope,
+ StringRef Name, DIFile File,
+ unsigned LineNo, DIType Ty,
+ bool AlwaysPreserve, unsigned Flags,
+ unsigned ArgNo) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, Tag),
+ Scope,
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))),
+ Ty,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags)
+ };
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
+ if (AlwaysPreserve) {
+ // The optimizer may remove local variable. If there is an interest
+ // to preserve variable info in such situation then stash it in a
+ // named mdnode.
+ DISubprogram Fn(getDISubprogram(Scope));
+ StringRef FName = "fn";
+ if (Fn.getFunction())
+ FName = Fn.getFunction()->getName();
+ char One = '\1';
+ if (FName.startswith(StringRef(&One, 1)))
+ FName = FName.substr(1);
+ NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, FName);
+ FnLocals->addOperand(Node);
+ }
+ return DIVariable(Node);
+}
+
+/// createComplexVariable - Create a new descriptor for the specified variable
+/// which has a complex address expression for its address.
+DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope,
+ StringRef Name, DIFile F,
+ unsigned LineNo,
+ DIType Ty, Value *const *Addr,
+ unsigned NumAddr, unsigned ArgNo) {
+ SmallVector<Value *, 15> Elts;
+ Elts.push_back(GetTagConstant(VMContext, Tag));
+ Elts.push_back(Scope);
+ Elts.push_back(MDString::get(VMContext, Name));
+ Elts.push_back(F);
+ Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))));
+ Elts.push_back(Ty);
+ Elts.append(Addr, Addr+NumAddr);
+
+ return DIVariable(MDNode::get(VMContext, Elts.data(), Elts.size()));
+}
+
+/// createFunction - Create a new descriptor for the specified function.
+DISubprogram DIBuilder::createFunction(DIDescriptor Context,
+ StringRef Name,
+ StringRef LinkageName,
+ DIFile File, unsigned LineNo,
+ DIType Ty,
+ bool isLocalToUnit, bool isDefinition,
+ unsigned Flags, bool isOptimized,
+ Function *Fn,
+ MDNode *TParams) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context,
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, LinkageName),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Ty,
+ ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
+ Fn,
+ TParams
+ };
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
+ NMD->addOperand(Node);
+ return DISubprogram(Node);
+}
+
+/// createMethod - Create a new descriptor for the specified C++ method.
+DISubprogram DIBuilder::createMethod(DIDescriptor Context,
+ StringRef Name,
+ StringRef LinkageName,
+ DIFile F,
+ unsigned LineNo, DIType Ty,
+ bool isLocalToUnit,
+ bool isDefinition,
+ unsigned VK, unsigned VIndex,
+ MDNode *VTableHolder,
+ unsigned Flags,
+ bool isOptimized,
+ Function *Fn,
+ MDNode *TParam) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context,
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, LinkageName),
+ F,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Ty,
+ ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
+ ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
+ ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
+ VTableHolder,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
+ Fn,
+ TParam,
+ };
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
+ NMD->addOperand(Node);
+ return DISubprogram(Node);
+}
+
+/// createNameSpace - This creates new descriptor for a namespace
+/// with the specified parent scope.
+DINameSpace DIBuilder::createNameSpace(DIDescriptor Scope, StringRef Name,
+ DIFile File, unsigned LineNo) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_namespace),
+ Scope,
+ MDString::get(VMContext, Name),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
+ };
+ return DINameSpace(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
+ unsigned Line, unsigned Col) {
+ // Defeat MDNode uniqing for lexical blocks by using unique id.
+ static unsigned int unique_id = 0;
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
+ Scope,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Line),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Col),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
+ };
+ return DILexicalBlock(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
+}
+
+/// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
+Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
+ Instruction *InsertBefore) {
+ assert(Storage && "no storage passed to dbg.declare");
+ assert(VarInfo.Verify() && "empty DIVariable passed to dbg.declare");
+ if (!DeclareFn)
+ DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
+
+ Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1), VarInfo };
+ return CallInst::Create(DeclareFn, Args, Args+2, "", InsertBefore);
+}
+
+/// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
+Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
+ BasicBlock *InsertAtEnd) {
+ assert(Storage && "no storage passed to dbg.declare");
+ assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.declare");
+ if (!DeclareFn)
+ DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
+
+ Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1), VarInfo };
+
+ // If this block already has a terminator then insert this intrinsic
+ // before the terminator.
+ if (TerminatorInst *T = InsertAtEnd->getTerminator())
+ return CallInst::Create(DeclareFn, Args, Args+2, "", T);
+ else
+ return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);
+}
+
+/// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
+Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
+ DIVariable VarInfo,
+ Instruction *InsertBefore) {
+ assert(V && "no value passed to dbg.value");
+ assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
+ if (!ValueFn)
+ ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
+
+ Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
+ ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
+ VarInfo };
+ return CallInst::Create(ValueFn, Args, Args+3, "", InsertBefore);
+}
+
+/// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
+Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
+ DIVariable VarInfo,
+ BasicBlock *InsertAtEnd) {
+ assert(V && "no value passed to dbg.value");
+ assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
+ if (!ValueFn)
+ ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
+
+ Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
+ ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
+ VarInfo };
+ return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
+}
+
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