X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FIR%2FDIBuilder.cpp;h=a621f71a7f56b77c893f9fc6a921eebf6471c9a3;hb=7af88ec907537f9a5de343d439fbca1344f28a29;hp=56024573deaab4d1e6866e6999dd96778805164d;hpb=7b246860bdf4c6b3ea4e09f6437537941cc0d1d4;p=oota-llvm.git diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp index 56024573dea..a621f71a7f5 100644 --- a/lib/IR/DIBuilder.cpp +++ b/lib/IR/DIBuilder.cpp @@ -11,10 +11,10 @@ // //===----------------------------------------------------------------------===// -#include "llvm/DIBuilder.h" +#include "llvm/IR/DIBuilder.h" #include "llvm/ADT/STLExtras.h" -#include "llvm/DebugInfo.h" #include "llvm/IR/Constants.h" +#include "llvm/IR/DebugInfo.h" #include "llvm/IR/IntrinsicInst.h" #include "llvm/IR/Module.h" #include "llvm/Support/Debug.h" @@ -30,17 +30,25 @@ static Constant *GetTagConstant(LLVMContext &VMContext, unsigned Tag) { } DIBuilder::DIBuilder(Module &m) - : M(m), VMContext(M.getContext()), TheCU(0), TempEnumTypes(0), - TempRetainTypes(0), TempSubprograms(0), TempGVs(0), DeclareFn(0), - ValueFn(0) -{} + : M(m), VMContext(M.getContext()), TempEnumTypes(nullptr), + TempRetainTypes(nullptr), TempSubprograms(nullptr), TempGVs(nullptr), + DeclareFn(nullptr), ValueFn(nullptr) {} /// finalize - Construct any deferred debug info descriptors. void DIBuilder::finalize() { DIArray Enums = getOrCreateArray(AllEnumTypes); DIType(TempEnumTypes).replaceAllUsesWith(Enums); - DIArray RetainTypes = getOrCreateArray(AllRetainTypes); + SmallVector 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 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); @@ -61,13 +69,19 @@ void DIBuilder::finalize() { DIArray GVs = getOrCreateArray(AllGVs); DIType(TempGVs).replaceAllUsesWith(GVs); + + SmallVector RetainValuesI; + for (unsigned I = 0, E = AllImportedModules.size(); I < E; I++) + RetainValuesI.push_back(AllImportedModules[I]); + DIArray IMs = getOrCreateArray(RetainValuesI); + DIType(TempImportedModules).replaceAllUsesWith(IMs); } /// getNonCompileUnitScope - If N is compile unit return NULL otherwise return /// N. static MDNode *getNonCompileUnitScope(MDNode *N) { if (DIDescriptor(N).isCompileUnit()) - return NULL; + return nullptr; return N; } @@ -76,18 +90,22 @@ static MDNode *createFilePathPair(LLVMContext &VMContext, StringRef Filename, assert(!Filename.empty() && "Unable to create file without name"); Value *Pair[] = { MDString::get(VMContext, Filename), - MDString::get(VMContext, Directory), + MDString::get(VMContext, Directory) }; return MDNode::get(VMContext, Pair); } /// 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) { - assert(((Lang <= dwarf::DW_LANG_Python && Lang >= dwarf::DW_LANG_C89) || +DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, + StringRef Directory, + StringRef Producer, bool isOptimized, + StringRef Flags, unsigned RunTimeVer, + StringRef SplitName, + DebugEmissionKind Kind, + bool EmitDebugInfo) { + + assert(((Lang <= dwarf::DW_LANG_OCaml && Lang >= dwarf::DW_LANG_C89) || (Lang <= dwarf::DW_LANG_hi_user && Lang >= dwarf::DW_LANG_lo_user)) && "Invalid Language tag"); assert(!Filename.empty() && @@ -101,6 +119,8 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, TempGVs = MDNode::getTemporary(VMContext, TElts); + TempImportedModules = MDNode::getTemporary(VMContext, TElts); + Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit), createFilePathPair(VMContext, Filename, Directory), @@ -113,13 +133,82 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, TempRetainTypes, TempSubprograms, TempGVs, - MDString::get(VMContext, SplitName) + TempImportedModules, + MDString::get(VMContext, SplitName), + ConstantInt::get(Type::getInt32Ty(VMContext), Kind) }; - 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); + // Note that we only generate this when the caller wants to actually + // emit debug information. When we are only interested in tracking + // source line locations throughout the backend, we prevent codegen from + // emitting debug info in the final output by not generating llvm.dbg.cu. + if (EmitDebugInfo) { + NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu"); + NMD->addOperand(CUNode); + } + + return DICompileUnit(CUNode); +} + +static DIImportedEntity +createImportedModule(LLVMContext &C, dwarf::Tag Tag, DIScope Context, + Value *NS, unsigned Line, StringRef Name, + SmallVectorImpl> &AllImportedModules) { + const MDNode *R; + if (Name.empty()) { + Value *Elts[] = { + GetTagConstant(C, Tag), + Context, + NS, + ConstantInt::get(Type::getInt32Ty(C), Line), + }; + R = MDNode::get(C, Elts); + } else { + Value *Elts[] = { + GetTagConstant(C, Tag), + Context, + NS, + ConstantInt::get(Type::getInt32Ty(C), Line), + MDString::get(C, Name) + }; + R = MDNode::get(C, Elts); + } + DIImportedEntity M(R); + assert(M.Verify() && "Imported module should be valid"); + AllImportedModules.push_back(TrackingVH(M)); + return M; +} + +DIImportedEntity DIBuilder::createImportedModule(DIScope Context, + DINameSpace NS, + unsigned Line) { + return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module, + Context, NS, Line, StringRef(), AllImportedModules); +} + +DIImportedEntity DIBuilder::createImportedModule(DIScope Context, + DIImportedEntity NS, + unsigned Line) { + return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module, + Context, NS, Line, StringRef(), AllImportedModules); +} + +DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context, + DIScope Decl, + unsigned Line, StringRef Name) { + return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration, + Context, Decl.getRef(), Line, Name, + AllImportedModules); +} + +DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context, + DIImportedEntity Imp, + unsigned Line, StringRef Name) { + return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration, + Context, Imp, Line, Name, AllImportedModules); } /// createFile - Create a file descriptor to hold debugging information @@ -133,7 +222,7 @@ DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) { } /// createEnumerator - Create a single enumerator value. -DIEnumerator DIBuilder::createEnumerator(StringRef Name, uint64_t Val) { +DIEnumerator DIBuilder::createEnumerator(StringRef Name, int64_t Val) { assert(!Name.empty() && "Unable to create enumerator without name"); Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_enumerator), @@ -143,15 +232,15 @@ DIEnumerator DIBuilder::createEnumerator(StringRef Name, uint64_t Val) { return DIEnumerator(MDNode::get(VMContext, Elts)); } -/// createNullPtrType - Create C++0x nullptr type. -DIType DIBuilder::createNullPtrType(StringRef Name) { +/// \brief Create a DWARF unspecified type. +DIBasicType DIBuilder::createUnspecifiedType(StringRef Name) { assert(!Name.empty() && "Unable to create type without name"); - // nullptr is encoded in DIBasicType format. Line number, filename, - // ,size, alignment, offset and flags are always empty here. + // Unspecified types are encoded in DIBasicType format. Line number, filename, + // size, alignment, offset and flags are always empty here. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type), - NULL, // Filename - NULL, //TheCU, + nullptr, // Filename + nullptr, // Unused MDString::get(VMContext, Name), ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size @@ -160,7 +249,12 @@ DIType DIBuilder::createNullPtrType(StringRef Name) { ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags; ConstantInt::get(Type::getInt32Ty(VMContext), 0) // Encoding }; - return DIType(MDNode::get(VMContext, Elts)); + return DIBasicType(MDNode::get(VMContext, Elts)); +} + +/// \brief Create C++11 nullptr type. +DIBasicType DIBuilder::createNullPtrType() { + return createUnspecifiedType("decltype(nullptr)"); } /// createBasicType - Create debugging information entry for a basic @@ -173,8 +267,8 @@ DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits, // offset and flags are always empty here. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_base_type), - NULL, // File/directory name - NULL, //TheCU, + nullptr, // File/directory name + nullptr, // Unused MDString::get(VMContext, Name), ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits), @@ -192,15 +286,15 @@ DIDerivedType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) { // Qualified types are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, Tag), - NULL, // Filename - NULL, //TheCU, + nullptr, // Filename + nullptr, // Unused MDString::get(VMContext, StringRef()), // Empty name. ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags - FromTy + FromTy.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } @@ -212,33 +306,34 @@ DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits, // Pointer types are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type), - NULL, // Filename - NULL, //TheCU, + nullptr, // Filename + nullptr, // Unused MDString::get(VMContext, Name), ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits), ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits), ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags - PointeeTy + PointeeTy.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } -DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy, DIType Base) { +DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy, + DIType Base) { // Pointer types are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_ptr_to_member_type), - NULL, // Filename - NULL, //TheCU, - NULL, + nullptr, // Filename + nullptr, // Unused + nullptr, ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line - ConstantInt::get(Type::getInt64Ty(VMContext), 0), - ConstantInt::get(Type::getInt64Ty(VMContext), 0), + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags - PointeeTy, - Base + PointeeTy.getRef(), + Base.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } @@ -246,19 +341,19 @@ DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy, DIType Base) /// createReferenceType - Create debugging information entry for a reference /// type. DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) { - assert(RTy.Verify() && "Unable to create reference type"); + assert(RTy.isType() && "Unable to create reference type"); // References are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, Tag), - NULL, // Filename - NULL, // TheCU, - NULL, // Name + nullptr, // Filename + nullptr, // TheCU, + nullptr, // Name ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags - RTy + RTy.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } @@ -267,117 +362,119 @@ DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) { DIDerivedType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File, unsigned LineNo, DIDescriptor Context) { // typedefs are encoded in DIDerivedType format. - assert(Ty.Verify() && "Invalid typedef type!"); Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_typedef), File.getFileNode(), - getNonCompileUnitScope(Context), + DIScope(getNonCompileUnitScope(Context)).getRef(), MDString::get(VMContext, Name), ConstantInt::get(Type::getInt32Ty(VMContext), LineNo), ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags - Ty + Ty.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } /// createFriend - Create debugging information entry for a 'friend'. -DIType DIBuilder::createFriend(DIType Ty, DIType FriendTy) { +DIDerivedType DIBuilder::createFriend(DIType Ty, DIType FriendTy) { // typedefs are encoded in DIDerivedType format. - assert(Ty.Verify() && "Invalid type!"); - assert(FriendTy.Verify() && "Invalid friend type!"); + assert(Ty.isType() && "Invalid type!"); + assert(FriendTy.isType() && "Invalid friend type!"); Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_friend), - NULL, - Ty, - NULL, // Name + nullptr, + Ty.getRef(), + nullptr, // Name ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags - FriendTy + FriendTy.getRef() }; - return DIType(MDNode::get(VMContext, Elts)); + return DIDerivedType(MDNode::get(VMContext, Elts)); } /// createInheritance - Create debugging information entry to establish /// inheritance relationship between two types. -DIDerivedType DIBuilder::createInheritance( - DIType Ty, DIType BaseTy, uint64_t BaseOffset, unsigned Flags) { - assert(Ty.Verify() && "Unable to create inheritance"); +DIDerivedType DIBuilder::createInheritance(DIType Ty, DIType BaseTy, + uint64_t BaseOffset, + unsigned Flags) { + assert(Ty.isType() && "Unable to create inheritance"); // TAG_inheritance is encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_inheritance), - NULL, - Ty, - NULL, // Name + nullptr, + Ty.getRef(), + nullptr, // Name ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align ConstantInt::get(Type::getInt64Ty(VMContext), BaseOffset), ConstantInt::get(Type::getInt32Ty(VMContext), Flags), - BaseTy + BaseTy.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } /// createMemberType - Create debugging information entry for a member. -DIDerivedType DIBuilder::createMemberType( - DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber, - uint64_t SizeInBits, uint64_t AlignInBits, uint64_t OffsetInBits, - unsigned Flags, DIType Ty) { +DIDerivedType DIBuilder::createMemberType(DIDescriptor Scope, 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), File.getFileNode(), - getNonCompileUnitScope(Scope), + DIScope(getNonCompileUnitScope(Scope)).getRef(), MDString::get(VMContext, Name), 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 + Ty.getRef() }; return DIDerivedType(MDNode::get(VMContext, Elts)); } /// createStaticMemberType - Create debugging information entry for a /// C++ static data member. -DIType DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name, - DIFile File, unsigned LineNumber, - DIType Ty, unsigned Flags, - llvm::Value *Val) { +DIDerivedType +DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name, + DIFile File, unsigned LineNumber, + DIType Ty, unsigned Flags, + llvm::Value *Val) { // TAG_member is encoded in DIDerivedType format. Flags |= DIDescriptor::FlagStaticMember; Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_member), File.getFileNode(), - getNonCompileUnitScope(Scope), + DIScope(getNonCompileUnitScope(Scope)).getRef(), MDString::get(VMContext, Name), ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), - ConstantInt::get(Type::getInt64Ty(VMContext), 0/*SizeInBits*/), - ConstantInt::get(Type::getInt64Ty(VMContext), 0/*AlignInBits*/), - ConstantInt::get(Type::getInt64Ty(VMContext), 0/*OffsetInBits*/), + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), Flags), - Ty, + Ty.getRef(), Val }; - return DIType(MDNode::get(VMContext, Elts)); + return DIDerivedType(MDNode::get(VMContext, Elts)); } /// 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) { +DIDerivedType +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), @@ -395,16 +492,17 @@ DIType DIBuilder::createObjCIVar(StringRef Name, MDString::get(VMContext, SetterName), ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes) }; - return DIType(MDNode::get(VMContext, Elts)); + return DIDerivedType(MDNode::get(VMContext, Elts)); } /// 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, MDNode *PropertyNode) { +DIDerivedType DIBuilder::createObjCIVar(StringRef Name, DIFile File, + unsigned LineNumber, + uint64_t SizeInBits, + uint64_t AlignInBits, + uint64_t OffsetInBits, unsigned Flags, + DIType Ty, MDNode *PropertyNode) { // TAG_member is encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_member), @@ -419,17 +517,15 @@ DIType DIBuilder::createObjCIVar(StringRef Name, Ty, PropertyNode }; - return DIType(MDNode::get(VMContext, Elts)); + return DIDerivedType(MDNode::get(VMContext, Elts)); } /// createObjCProperty - Create debugging information entry for Objective-C /// property. -DIObjCProperty DIBuilder::createObjCProperty(StringRef Name, - DIFile File, unsigned LineNumber, - StringRef GetterName, - StringRef SetterName, - unsigned PropertyAttributes, - DIType Ty) { +DIObjCProperty +DIBuilder::createObjCProperty(StringRef Name, DIFile File, unsigned LineNumber, + StringRef GetterName, StringRef SetterName, + unsigned PropertyAttributes, DIType Ty) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_APPLE_property), MDString::get(VMContext, Name), @@ -451,9 +547,9 @@ DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name, unsigned ColumnNo) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_template_type_parameter), - getNonCompileUnitScope(Context), + DIScope(getNonCompileUnitScope(Context)).getRef(), MDString::get(VMContext, Name), - Ty, + Ty.getRef(), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNo), ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo) @@ -461,19 +557,18 @@ DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name, return DITemplateTypeParameter(MDNode::get(VMContext, 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, +DIBuilder::createTemplateValueParameter(unsigned Tag, DIDescriptor Context, + StringRef Name, DIType Ty, + Value *Val, MDNode *File, + unsigned LineNo, unsigned ColumnNo) { Value *Elts[] = { - GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter), - getNonCompileUnitScope(Context), + GetTagConstant(VMContext, Tag), + DIScope(getNonCompileUnitScope(Context)).getRef(), MDString::get(VMContext, Name), - Ty, - ConstantInt::get(Type::getInt64Ty(VMContext), Val), + Ty.getRef(), + Val, File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNo), ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo) @@ -481,35 +576,75 @@ DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name, return DITemplateValueParameter(MDNode::get(VMContext, Elts)); } +/// createTemplateValueParameter - Create debugging information for template +/// value parameter. +DITemplateValueParameter +DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name, + DIType Ty, Value *Val, + MDNode *File, unsigned LineNo, + unsigned ColumnNo) { + return createTemplateValueParameter(dwarf::DW_TAG_template_value_parameter, + Context, Name, Ty, Val, File, LineNo, + ColumnNo); +} + +DITemplateValueParameter +DIBuilder::createTemplateTemplateParameter(DIDescriptor Context, StringRef Name, + DIType Ty, StringRef Val, + MDNode *File, unsigned LineNo, + unsigned ColumnNo) { + return createTemplateValueParameter( + dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty, + MDString::get(VMContext, Val), File, LineNo, ColumnNo); +} + +DITemplateValueParameter +DIBuilder::createTemplateParameterPack(DIDescriptor Context, StringRef Name, + DIType Ty, DIArray Val, + MDNode *File, unsigned LineNo, + unsigned ColumnNo) { + return createTemplateValueParameter(dwarf::DW_TAG_GNU_template_parameter_pack, + Context, Name, Ty, Val, File, LineNo, + ColumnNo); +} + /// 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 *VTableHolder, - MDNode *TemplateParams) { - assert((!Context || Context.Verify()) && +DICompositeType 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, + DIType VTableHolder, + 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. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_class_type), File.getFileNode(), - getNonCompileUnitScope(Context), + DIScope(getNonCompileUnitScope(Context)).getRef(), MDString::get(VMContext, Name), 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, + DerivedFrom.getRef(), Elements, ConstantInt::get(Type::getInt32Ty(VMContext), 0), - VTableHolder, - TemplateParams + VTableHolder.getRef(), + TemplateParams, + UniqueIdentifier.empty() ? nullptr + : MDString::get(VMContext, UniqueIdentifier) }; - DIType R(MDNode::get(VMContext, Elts)); - assert(R.Verify() && "createClassType should return a verifiable DIType"); + DICompositeType R(MDNode::get(VMContext, Elts)); + assert(R.isCompositeType() && + "createClassType should return a DICompositeType"); + if (!UniqueIdentifier.empty()) + retainType(R); return R; } @@ -522,73 +657,91 @@ DICompositeType DIBuilder::createStructType(DIDescriptor Context, unsigned Flags, DIType DerivedFrom, DIArray Elements, unsigned RunTimeLang, - MDNode *VTableHolder) { + DIType VTableHolder, + StringRef UniqueIdentifier) { // TAG_structure_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_structure_type), File.getFileNode(), - getNonCompileUnitScope(Context), + DIScope(getNonCompileUnitScope(Context)).getRef(), MDString::get(VMContext, Name), 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), - DerivedFrom, + DerivedFrom.getRef(), Elements, ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang), - VTableHolder, - NULL, + VTableHolder.getRef(), + nullptr, + UniqueIdentifier.empty() ? nullptr + : MDString::get(VMContext, UniqueIdentifier) }; DICompositeType R(MDNode::get(VMContext, Elts)); - assert(R.Verify() && "createStructType should return a verifiable DIType"); + assert(R.isCompositeType() && + "createStructType should return a DICompositeType"); + if (!UniqueIdentifier.empty()) + retainType(R); return R; } /// createUnionType - Create debugging information entry for an union. -DICompositeType DIBuilder::createUnionType( - DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber, - uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags, DIArray Elements, - unsigned RunTimeLang) { +DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name, + DIFile File, unsigned LineNumber, + uint64_t SizeInBits, + uint64_t AlignInBits, unsigned Flags, + DIArray Elements, + unsigned RunTimeLang, + StringRef UniqueIdentifier) { // TAG_union_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_union_type), File.getFileNode(), - getNonCompileUnitScope(Scope), + DIScope(getNonCompileUnitScope(Scope)).getRef(), MDString::get(VMContext, Name), 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::getInt64Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), Flags), - NULL, + nullptr, Elements, ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang), - Constant::getNullValue(Type::getInt32Ty(VMContext)) + nullptr, + nullptr, + UniqueIdentifier.empty() ? nullptr + : 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. -DICompositeType -DIBuilder::createSubroutineType(DIFile File, DIArray ParameterTypes) { +DISubroutineType DIBuilder::createSubroutineType(DIFile File, + DITypeArray ParameterTypes, + unsigned Flags) { // TAG_subroutine_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type), Constant::getNullValue(Type::getInt32Ty(VMContext)), - Constant::getNullValue(Type::getInt32Ty(VMContext)), + nullptr, MDString::get(VMContext, ""), - ConstantInt::get(Type::getInt32Ty(VMContext), 0), - ConstantInt::get(Type::getInt64Ty(VMContext), 0), - ConstantInt::get(Type::getInt64Ty(VMContext), 0), - ConstantInt::get(Type::getInt64Ty(VMContext), 0), - ConstantInt::get(Type::getInt32Ty(VMContext), 0), - NULL, + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset + ConstantInt::get(Type::getInt32Ty(VMContext), Flags), // Flags + nullptr, ParameterTypes, ConstantInt::get(Type::getInt32Ty(VMContext), 0), - Constant::getNullValue(Type::getInt32Ty(VMContext)) + nullptr, + nullptr, + nullptr // Type Identifer }; - return DICompositeType(MDNode::get(VMContext, Elts)); + return DISubroutineType(MDNode::get(VMContext, Elts)); } /// createEnumerationType - Create debugging information entry for an @@ -596,26 +749,31 @@ DIBuilder::createSubroutineType(DIFile File, DIArray ParameterTypes) { DICompositeType DIBuilder::createEnumerationType( DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber, uint64_t SizeInBits, uint64_t AlignInBits, DIArray Elements, - DIType ClassType) { + DIType UnderlyingType, StringRef UniqueIdentifier) { // TAG_enumeration_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type), File.getFileNode(), - getNonCompileUnitScope(Scope), + DIScope(getNonCompileUnitScope(Scope)).getRef(), MDString::get(VMContext, Name), 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), - ClassType, + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags + UnderlyingType.getRef(), Elements, ConstantInt::get(Type::getInt32Ty(VMContext), 0), - Constant::getNullValue(Type::getInt32Ty(VMContext)) + nullptr, + nullptr, + UniqueIdentifier.empty() ? nullptr + : MDString::get(VMContext, UniqueIdentifier) }; - MDNode *Node = MDNode::get(VMContext, Elts); - AllEnumTypes.push_back(Node); - return DICompositeType(Node); + DICompositeType CTy(MDNode::get(VMContext, Elts)); + AllEnumTypes.push_back(CTy); + if (!UniqueIdentifier.empty()) + retainType(CTy); + return CTy; } /// createArrayType - Create debugging information entry for an array. @@ -624,43 +782,46 @@ DICompositeType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits, // TAG_array_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_array_type), - NULL, // Filename/Directory, - NULL, //TheCU, + nullptr, // Filename/Directory, + nullptr, // Unused MDString::get(VMContext, ""), - ConstantInt::get(Type::getInt32Ty(VMContext), 0), + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line 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, + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags + Ty.getRef(), Subscripts, ConstantInt::get(Type::getInt32Ty(VMContext), 0), - Constant::getNullValue(Type::getInt32Ty(VMContext)) + nullptr, + nullptr, + nullptr // Type Identifer }; return DICompositeType(MDNode::get(VMContext, Elts)); } /// createVectorType - Create debugging information entry for a vector. -DIType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits, - DIType Ty, DIArray Subscripts) { - +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, + nullptr, // Filename/Directory, + nullptr, // Unused MDString::get(VMContext, ""), - ConstantInt::get(Type::getInt32Ty(VMContext), 0), + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line ConstantInt::get(Type::getInt64Ty(VMContext), Size), ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits), - ConstantInt::get(Type::getInt32Ty(VMContext), 0), + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset ConstantInt::get(Type::getInt32Ty(VMContext), DIType::FlagVector), - Ty, + Ty.getRef(), Subscripts, ConstantInt::get(Type::getInt32Ty(VMContext), 0), - Constant::getNullValue(Type::getInt32Ty(VMContext)) + nullptr, + nullptr, + nullptr // Type Identifer }; - return DIType(MDNode::get(VMContext, Elts)); + return DICompositeType(MDNode::get(VMContext, Elts)); } /// createArtificialType - Create a new DIType with "artificial" flag set. @@ -671,17 +832,14 @@ DIType DIBuilder::createArtificialType(DIType Ty) { SmallVector Elts; MDNode *N = Ty; assert (N && "Unexpected input DIType!"); - for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { - if (Value *V = N->getOperand(i)) - Elts.push_back(V); - else - Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext))); - } + for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) + Elts.push_back(N->getOperand(i)); unsigned CurFlags = Ty.getFlags(); CurFlags = CurFlags | DIType::FlagArtificial; // Flags are stored at this slot. + // FIXME: Add an enum for this magic value. Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags); return DIType(MDNode::get(VMContext, Elts)); @@ -696,17 +854,14 @@ DIType DIBuilder::createObjectPointerType(DIType Ty) { SmallVector Elts; MDNode *N = Ty; assert (N && "Unexpected input DIType!"); - for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { - if (Value *V = N->getOperand(i)) - Elts.push_back(V); - else - Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext))); - } + for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) + Elts.push_back(N->getOperand(i)); unsigned CurFlags = Ty.getFlags(); CurFlags = CurFlags | (DIType::FlagObjectPointer | DIType::FlagArtificial); // Flags are stored at this slot. + // FIXME: Add an enum for this magic value. Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags); return DIType(MDNode::get(VMContext, Elts)); @@ -715,56 +870,101 @@ DIType DIBuilder::createObjectPointerType(DIType Ty) { /// 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(T)); } /// createUnspecifiedParameter - Create unspeicified type descriptor /// for the subroutine type. -DIDescriptor DIBuilder::createUnspecifiedParameter() { +DIBasicType DIBuilder::createUnspecifiedParameter() { + return DIBasicType(); +} + +/// createForwardDecl - Create a temporary forward-declared type that +/// can be RAUW'd if the full type is seen. +DICompositeType +DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope, + DIFile F, unsigned Line, unsigned RuntimeLang, + uint64_t SizeInBits, uint64_t AlignInBits, + StringRef UniqueIdentifier) { + // Create a temporary MDNode. Value *Elts[] = { - GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_parameters) + GetTagConstant(VMContext, Tag), + F.getFileNode(), + DIScope(getNonCompileUnitScope(Scope)).getRef(), + MDString::get(VMContext, Name), + ConstantInt::get(Type::getInt32Ty(VMContext), Line), + ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits), + ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits), + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset + ConstantInt::get(Type::getInt32Ty(VMContext), DIDescriptor::FlagFwdDecl), + nullptr, + DIArray(), + ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang), + nullptr, + nullptr, //TemplateParams + UniqueIdentifier.empty() ? nullptr + : MDString::get(VMContext, UniqueIdentifier) }; - return DIDescriptor(MDNode::get(VMContext, Elts)); + MDNode *Node = MDNode::get(VMContext, Elts); + DICompositeType RetTy(Node); + assert(RetTy.isCompositeType() && + "createForwardDecl result should be a DIType"); + if (!UniqueIdentifier.empty()) + retainType(RetTy); + return RetTy; } /// 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, - DIDescriptor Scope, DIFile F, - unsigned Line, unsigned RuntimeLang, - uint64_t SizeInBits, - uint64_t AlignInBits) { +DICompositeType DIBuilder::createReplaceableForwardDecl( + unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F, unsigned Line, + unsigned RuntimeLang, uint64_t SizeInBits, uint64_t AlignInBits, + StringRef UniqueIdentifier) { // Create a temporary MDNode. Value *Elts[] = { GetTagConstant(VMContext, Tag), F.getFileNode(), - getNonCompileUnitScope(Scope), + DIScope(getNonCompileUnitScope(Scope)).getRef(), MDString::get(VMContext, Name), ConstantInt::get(Type::getInt32Ty(VMContext), Line), ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits), ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits), - ConstantInt::get(Type::getInt32Ty(VMContext), 0), - ConstantInt::get(Type::getInt32Ty(VMContext), - DIDescriptor::FlagFwdDecl), - NULL, + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Offset + ConstantInt::get(Type::getInt32Ty(VMContext), DIDescriptor::FlagFwdDecl), + nullptr, DIArray(), - ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang) + ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang), + nullptr, + nullptr, //TemplateParams + UniqueIdentifier.empty() ? nullptr + : MDString::get(VMContext, UniqueIdentifier) }; MDNode *Node = MDNode::getTemporary(VMContext, Elts); - assert(DIType(Node).Verify() && - "createForwardDecl result should be verifiable"); - return DIType(Node); + DICompositeType RetTy(Node); + assert(RetTy.isCompositeType() && + "createForwardDecl result should be a DIType"); + if (!UniqueIdentifier.empty()) + retainType(RetTy); + return RetTy; } /// getOrCreateArray - Get a DIArray, create one if required. DIArray DIBuilder::getOrCreateArray(ArrayRef Elements) { - if (Elements.empty()) { - Value *Null = Constant::getNullValue(Type::getInt32Ty(VMContext)); - return DIArray(MDNode::get(VMContext, Null)); - } return DIArray(MDNode::get(VMContext, Elements)); } +/// getOrCreateTypeArray - Get a DITypeArray, create one if required. +DITypeArray DIBuilder::getOrCreateTypeArray(ArrayRef Elements) { + SmallVector Elts; + for (unsigned i = 0, e = Elements.size(); i != e; ++i) { + if (Elements[i] && isa(Elements[i])) + Elts.push_back(DIType(cast(Elements[i])).getRef()); + else + Elts.push_back(Elements[i]); + } + return DITypeArray(MDNode::get(VMContext, Elts)); +} + /// getOrCreateSubrange - Create a descriptor for a value range. This /// implicitly uniques the values returned. DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) { @@ -778,14 +978,15 @@ DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) { } /// \brief Create a new descriptor for the specified global. -DIGlobalVariable DIBuilder:: -createGlobalVariable(StringRef Name, StringRef LinkageName, DIFile F, - unsigned LineNumber, DIType Ty, bool isLocalToUnit, - Value *Val) { +DIGlobalVariable DIBuilder::createGlobalVariable(StringRef Name, + StringRef LinkageName, + DIFile F, unsigned LineNumber, + DITypeRef Ty, bool isLocalToUnit, + Value *Val) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_variable), Constant::getNullValue(Type::getInt32Ty(VMContext)), - NULL, // TheCU, + nullptr, // TheCU, MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, LinkageName), @@ -803,19 +1004,24 @@ createGlobalVariable(StringRef Name, StringRef LinkageName, DIFile F, } /// \brief Create a new descriptor for the specified global. -DIGlobalVariable DIBuilder:: -createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber, - DIType Ty, bool isLocalToUnit, Value *Val) { +DIGlobalVariable DIBuilder::createGlobalVariable(StringRef Name, DIFile F, + unsigned LineNumber, + DITypeRef Ty, + bool isLocalToUnit, + Value *Val) { return createGlobalVariable(Name, Name, F, LineNumber, Ty, isLocalToUnit, Val); } /// 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, Value *Val, MDNode *Decl) { +DIGlobalVariable DIBuilder::createStaticVariable(DIDescriptor Context, + StringRef Name, + StringRef LinkageName, + DIFile F, unsigned LineNumber, + DITypeRef Ty, + bool isLocalToUnit, + Value *Val, MDNode *Decl) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_variable), Constant::getNullValue(Type::getInt32Ty(VMContext)), @@ -839,14 +1045,12 @@ createStaticVariable(DIDescriptor Context, StringRef Name, /// createVariable - Create a new descriptor for the specified variable. DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope, StringRef Name, DIFile File, - unsigned LineNo, DIType Ty, + unsigned LineNo, DITypeRef Ty, bool AlwaysPreserve, unsigned Flags, unsigned ArgNo) { DIDescriptor Context(getNonCompileUnitScope(Scope)); - assert((!Context || Context.Verify()) && + assert((!Context || Context.isScope()) && "createLocalVariable should be called with a valid Context"); - assert(Ty.Verify() && - "createLocalVariable should be called with a valid type"); Value *Elts[] = { GetTagConstant(VMContext, Tag), getNonCompileUnitScope(Scope), @@ -866,9 +1070,10 @@ DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope, NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, Fn); FnLocals->addOperand(Node); } - assert(DIVariable(Node).Verify() && - "createLocalVariable should return a verifiable DIVariable"); - return DIVariable(Node); + DIVariable RetVar(Node); + assert(RetVar.isVariable() && + "createLocalVariable should return a valid DIVariable"); + return RetVar; } /// createComplexVariable - Create a new descriptor for the specified variable @@ -876,40 +1081,80 @@ DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope, DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope, StringRef Name, DIFile F, unsigned LineNo, - DIType Ty, ArrayRef Addr, + DITypeRef Ty, + ArrayRef Addr, unsigned ArgNo) { - SmallVector Elts; - Elts.push_back(GetTagConstant(VMContext, Tag)); - Elts.push_back(getNonCompileUnitScope(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.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext))); - Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext))); - Elts.append(Addr.begin(), Addr.end()); + assert(Addr.size() > 0 && "complex address is empty"); + Value *Elts[] = { + GetTagConstant(VMContext, Tag), + getNonCompileUnitScope(Scope), + MDString::get(VMContext, Name), + F, + ConstantInt::get(Type::getInt32Ty(VMContext), + (LineNo | (ArgNo << 24))), + Ty, + Constant::getNullValue(Type::getInt32Ty(VMContext)), + Constant::getNullValue(Type::getInt32Ty(VMContext)), + MDNode::get(VMContext, Addr) + }; + return DIVariable(MDNode::get(VMContext, Elts)); +} + +/// createVariablePiece - Create a descriptor to describe one part +/// of aggregate variable that is fragmented across multiple Values. +DIVariable DIBuilder::createVariablePiece(DIVariable Variable, + unsigned OffsetInBytes, + unsigned SizeInBytes) { + assert(SizeInBytes > 0 && "zero-size piece"); + Value *Addr[] = { + ConstantInt::get(Type::getInt32Ty(VMContext), OpPiece), + ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBytes), + ConstantInt::get(Type::getInt32Ty(VMContext), SizeInBytes) + }; + + assert((Variable->getNumOperands() == 8 || Variable.isVariablePiece()) && + "variable already has a complex address"); + SmallVector Elts; + for (unsigned i = 0; i < 8; ++i) + Elts.push_back(Variable->getOperand(i)); + Elts.push_back(MDNode::get(VMContext, Addr)); return DIVariable(MDNode::get(VMContext, Elts)); } /// createFunction - Create a new descriptor for the specified function. -DISubprogram DIBuilder::createFunction(DIDescriptor Context, - StringRef Name, - StringRef LinkageName, - DIFile File, unsigned LineNo, - DIType Ty, +/// FIXME: this is added for dragonegg. Once we update dragonegg +/// to call resolve function, this will be removed. +DISubprogram DIBuilder::createFunction(DIScopeRef Context, StringRef Name, + StringRef LinkageName, DIFile File, + unsigned LineNo, DICompositeType Ty, bool isLocalToUnit, bool isDefinition, - unsigned ScopeLine, - unsigned Flags, bool isOptimized, - Function *Fn, - MDNode *TParams, - MDNode *Decl) { + unsigned ScopeLine, unsigned Flags, + bool isOptimized, Function *Fn, + MDNode *TParams, MDNode *Decl) { + // dragonegg does not generate identifier for types, so using an empty map + // to resolve the context should be fine. + DITypeIdentifierMap EmptyMap; + return createFunction(Context.resolve(EmptyMap), Name, LinkageName, File, + LineNo, Ty, isLocalToUnit, isDefinition, ScopeLine, + Flags, isOptimized, Fn, TParams, Decl); +} + +/// createFunction - Create a new descriptor for the specified function. +DISubprogram DIBuilder::createFunction(DIDescriptor Context, StringRef Name, + StringRef LinkageName, DIFile File, + unsigned LineNo, DICompositeType Ty, + bool isLocalToUnit, bool isDefinition, + unsigned ScopeLine, unsigned Flags, + bool isOptimized, Function *Fn, + MDNode *TParams, MDNode *Decl) { + assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type && + "function types should be subroutines"); Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) }; Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_subprogram), File.getFileNode(), - getNonCompileUnitScope(Context), + DIScope(getNonCompileUnitScope(Context)).getRef(), MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, LinkageName), @@ -919,7 +1164,7 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context, ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition), ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt32Ty(VMContext), 0), - NULL, + nullptr, ConstantInt::get(Type::getInt32Ty(VMContext), Flags), ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized), Fn, @@ -934,29 +1179,29 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context, if (isDefinition) AllSubprograms.push_back(Node); DISubprogram S(Node); - assert(S.Verify() && "createFunction should return a valid DISubprogram"); + assert(S.isSubprogram() && + "createFunction should return a valid DISubprogram"); return S; } /// 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, +DISubprogram DIBuilder::createMethod(DIDescriptor Context, StringRef Name, + StringRef LinkageName, DIFile F, + unsigned LineNo, DICompositeType Ty, + bool isLocalToUnit, bool isDefinition, unsigned VK, unsigned VIndex, - MDNode *VTableHolder, - unsigned Flags, - bool isOptimized, - Function *Fn, + DIType VTableHolder, unsigned Flags, + bool isOptimized, Function *Fn, MDNode *TParam) { - Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) }; + assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type && + "function types should be subroutines"); + assert(getNonCompileUnitScope(Context) && + "Methods should have both a Context and a context that isn't " + "the compile unit."); Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_subprogram), F.getFileNode(), - getNonCompileUnitScope(Context), + DIScope(Context).getRef(), MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, LinkageName), @@ -964,15 +1209,15 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context, 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), VK), ConstantInt::get(Type::getInt32Ty(VMContext), VIndex), - VTableHolder, + VTableHolder.getRef(), ConstantInt::get(Type::getInt32Ty(VMContext), Flags), ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized), Fn, TParam, Constant::getNullValue(Type::getInt32Ty(VMContext)), - MDNode::getTemporary(VMContext, TElts), + nullptr, // FIXME: Do we want to use different scope/lines? ConstantInt::get(Type::getInt32Ty(VMContext), LineNo) }; @@ -980,7 +1225,7 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context, if (isDefinition) AllSubprograms.push_back(Node); DISubprogram S(Node); - assert(S.Verify() && "createMethod should return a valid DISubprogram"); + assert(S.isSubprogram() && "createMethod should return a valid DISubprogram"); return S; } @@ -1007,7 +1252,7 @@ DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope, DIFile File) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block), - File, + File.getFileNode(), Scope }; DILexicalBlockFile R(MDNode::get(VMContext, Elts)); @@ -1018,8 +1263,16 @@ DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope, } DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File, - unsigned Line, unsigned Col) { - // Defeat MDNode uniqing for lexical blocks by using unique id. + unsigned Line, unsigned Col, + unsigned Discriminator) { + // FIXME: This isn't thread safe nor the right way to defeat MDNode uniquing. + // I believe the right way is to have a self-referential element in the node. + // Also: why do we bother with line/column - they're not used and the + // documentation (SourceLevelDebugging.rst) claims the line/col are necessary + // for uniquing, yet then we have this other solution (because line/col were + // inadequate) anyway. Remove all 3 and replace them with a self-reference. + + // Defeat MDNode uniquing for lexical blocks by using unique id. static unsigned int unique_id = 0; Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block), @@ -1027,6 +1280,7 @@ DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File, getNonCompileUnitScope(Scope), ConstantInt::get(Type::getInt32Ty(VMContext), Line), ConstantInt::get(Type::getInt32Ty(VMContext), Col), + ConstantInt::get(Type::getInt32Ty(VMContext), Discriminator), ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++) }; DILexicalBlock R(MDNode::get(VMContext, Elts)); @@ -1039,7 +1293,8 @@ DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File, 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"); + assert(VarInfo.isVariable() && + "empty or invalid DIVariable passed to dbg.declare"); if (!DeclareFn) DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare); @@ -1051,7 +1306,8 @@ Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo, 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"); + assert(VarInfo.isVariable() && + "empty or invalid DIVariable passed to dbg.declare"); if (!DeclareFn) DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare); @@ -1070,7 +1326,8 @@ 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"); + assert(VarInfo.isVariable() && + "empty or invalid DIVariable passed to dbg.value"); if (!ValueFn) ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value); @@ -1085,7 +1342,8 @@ 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"); + assert(VarInfo.isVariable() && + "empty or invalid DIVariable passed to dbg.value"); if (!ValueFn) ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);