}
DIBuilder::DIBuilder(Module &m)
- : M(m), VMContext(M.getContext()), TheCU(0), TempEnumTypes(0),
+ : M(m), VMContext(M.getContext()), TempEnumTypes(0),
TempRetainTypes(0), TempSubprograms(0), TempGVs(0), DeclareFn(0),
ValueFn(0)
{}
DIArray Enums = getOrCreateArray(AllEnumTypes);
DIType(TempEnumTypes).replaceAllUsesWith(Enums);
- DIArray RetainTypes = getOrCreateArray(AllRetainTypes);
+ SmallVector<Value *, 16> RetainValues;
+ // Declarations and definitions of the same type may be retained. Some
+ // clients RAUW these pairs, leaving duplicates in the retained types
+ // list. Use a set to remove the duplicates while we transform the
+ // TrackingVHs back into Values.
+ SmallPtrSet<Value *, 16> RetainSet;
+ for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
+ if (RetainSet.insert(AllRetainTypes[I]))
+ RetainValues.push_back(AllRetainTypes[I]);
+ DIArray RetainTypes = getOrCreateArray(RetainValues);
DIType(TempRetainTypes).replaceAllUsesWith(RetainTypes);
DIArray SPs = getOrCreateArray(AllSubprograms);
/// createCompileUnit - A CompileUnit provides an anchor for all debugging
/// information generated during this instance of compilation.
-void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
- StringRef Directory, StringRef Producer,
- bool isOptimized, StringRef Flags,
- unsigned RunTimeVer, StringRef SplitName) {
+DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
+ StringRef Directory,
+ StringRef Producer, bool isOptimized,
+ StringRef Flags, unsigned RunTimeVer,
+ StringRef SplitName) {
assert(((Lang <= dwarf::DW_LANG_Python && Lang >= dwarf::DW_LANG_C89) ||
(Lang <= dwarf::DW_LANG_hi_user && Lang >= dwarf::DW_LANG_lo_user)) &&
"Invalid Language tag");
TempImportedModules,
MDString::get(VMContext, SplitName)
};
- TheCU = DICompileUnit(MDNode::get(VMContext, Elts));
+
+ MDNode *CUNode = MDNode::get(VMContext, Elts);
// Create a named metadata so that it is easier to find cu in a module.
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu");
- NMD->addOperand(TheCU);
+ NMD->addOperand(CUNode);
+
+ return DICompileUnit(CUNode);
}
static DIImportedEntity
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type),
NULL, // Filename
- NULL, //TheCU,
+ NULL, // Unused
MDString::get(VMContext, Name),
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_base_type),
NULL, // File/directory name
- NULL, //TheCU,
+ NULL, // Unused
MDString::get(VMContext, Name),
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
NULL, // Filename
- NULL, //TheCU,
+ NULL, // Unused
MDString::get(VMContext, StringRef()), // Empty name.
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type),
NULL, // Filename
- NULL, //TheCU,
+ NULL, // Unused
MDString::get(VMContext, Name),
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_ptr_to_member_type),
NULL, // Filename
- NULL, //TheCU,
+ NULL, // Unused
NULL,
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
PointeeTy,
- Base
+ Base.generateRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
unsigned Flags, DIType DerivedFrom,
DIArray Elements,
MDNode *VTableHolder,
- MDNode *TemplateParams) {
+ MDNode *TemplateParams,
+ StringRef UniqueIdentifier) {
assert((!Context || Context.isScope() || Context.isType()) &&
"createClassType should be called with a valid Context");
// TAG_class_type is encoded in DICompositeType format.
DerivedFrom,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- VTableHolder,
- TemplateParams
+ DIType(VTableHolder).generateRef(),
+ TemplateParams,
+ UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
};
DICompositeType R(MDNode::get(VMContext, Elts));
assert(R.isCompositeType() &&
"createClassType should return a DICompositeType");
+ if (!UniqueIdentifier.empty())
+ retainType(R);
return R;
}
unsigned Flags, DIType DerivedFrom,
DIArray Elements,
unsigned RunTimeLang,
- MDNode *VTableHolder) {
+ MDNode *VTableHolder,
+ StringRef UniqueIdentifier) {
// TAG_structure_type is encoded in DICompositeType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_structure_type),
DerivedFrom,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
- VTableHolder,
+ DIType(VTableHolder).generateRef(),
NULL,
+ UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
};
DICompositeType R(MDNode::get(VMContext, Elts));
assert(R.isCompositeType() &&
"createStructType should return a DICompositeType");
+ if (!UniqueIdentifier.empty())
+ retainType(R);
return R;
}
uint64_t SizeInBits,
uint64_t AlignInBits, unsigned Flags,
DIArray Elements,
- unsigned RunTimeLang) {
+ unsigned RunTimeLang,
+ StringRef UniqueIdentifier) {
// TAG_union_type is encoded in DICompositeType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_union_type),
NULL,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- NULL
+ NULL,
+ NULL,
+ UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
};
- return DICompositeType(MDNode::get(VMContext, Elts));
+ DICompositeType R(MDNode::get(VMContext, Elts));
+ if (!UniqueIdentifier.empty())
+ retainType(R);
+ return R;
}
/// createSubroutineType - Create subroutine type.
NULL,
ParameterTypes,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
+ NULL,
+ NULL,
+ NULL // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
}
DICompositeType DIBuilder::createEnumerationType(
DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits, DIArray Elements,
- DIType UnderlyingType) {
+ DIType UnderlyingType, StringRef UniqueIdentifier) {
// TAG_enumeration_type is encoded in DICompositeType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
UnderlyingType,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
+ NULL,
+ NULL,
+ UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
};
MDNode *Node = MDNode::get(VMContext, Elts);
AllEnumTypes.push_back(Node);
+ if (!UniqueIdentifier.empty())
+ retainType(Node);
return DICompositeType(Node);
}
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
NULL, // Filename/Directory,
- NULL, //TheCU,
+ NULL, // Unused
MDString::get(VMContext, ""),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), Size),
Ty,
Subscripts,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
+ NULL,
+ NULL,
+ NULL // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
}
/// createVectorType - Create debugging information entry for a vector.
DICompositeType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
-
// A vector is an array type with the FlagVector flag applied.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
NULL, // Filename/Directory,
- NULL, //TheCU,
+ NULL, // Unused
MDString::get(VMContext, ""),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), Size),
Ty,
Subscripts,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
+ NULL,
+ NULL,
+ NULL // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
}
/// retainType - Retain DIType in a module even if it is not referenced
/// through debug info anchors.
void DIBuilder::retainType(DIType T) {
- AllRetainTypes.push_back(T);
+ AllRetainTypes.push_back(TrackingVH<MDNode>(T));
}
/// createUnspecifiedParameter - Create unspeicified type descriptor
/// createForwardDecl - Create a temporary forward-declared type that
/// can be RAUW'd if the full type is seen.
-DIType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
+DICompositeType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
DIDescriptor Scope, DIFile F,
unsigned Line, unsigned RuntimeLang,
uint64_t SizeInBits,
- uint64_t AlignInBits) {
+ uint64_t AlignInBits,
+ StringRef UniqueIdentifier) {
// Create a temporary MDNode.
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
DIDescriptor::FlagFwdDecl),
NULL,
DIArray(),
- ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
+ ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
+ NULL,
+ NULL, //TemplateParams
+ UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
};
MDNode *Node = MDNode::getTemporary(VMContext, Elts);
- DIType RetTy(Node);
- assert(RetTy.isType() &&
+ DICompositeType RetTy(Node);
+ assert(RetTy.isCompositeType() &&
"createForwardDecl result should be a DIType");
+ if (!UniqueIdentifier.empty())
+ retainType(RetTy);
return RetTy;
}