diff options
Diffstat (limited to 'lib/Analysis/DIBuilder.cpp')
-rw-r--r-- | lib/Analysis/DIBuilder.cpp | 122 |
1 files changed, 76 insertions, 46 deletions
diff --git a/lib/Analysis/DIBuilder.cpp b/lib/Analysis/DIBuilder.cpp index 98a0ba085e..55f6fcab56 100644 --- a/lib/Analysis/DIBuilder.cpp +++ b/lib/Analysis/DIBuilder.cpp @@ -29,10 +29,30 @@ static Constant *GetTagConstant(LLVMContext &VMContext, unsigned Tag) { } DIBuilder::DIBuilder(Module &m) - : M(m), VMContext(M.getContext()), TheCU(0), DeclareFn(0), ValueFn(0) {} + : M(m), VMContext(M.getContext()), TheCU(0), TempEnumTypes(0), + TempRetainTypes(0), TempSubprograms(0), TempGVs(0), DeclareFn(0), ValueFn(0) +{} /// finalize - Construct any deferred debug info descriptors. void DIBuilder::finalize() { + DIArray Enums = getOrCreateArray(AllEnumTypes); + DIType(TempEnumTypes).replaceAllUsesWith(Enums); + + DIArray RetainTypes = getOrCreateArray(AllRetainTypes); + DIType(TempRetainTypes).replaceAllUsesWith(RetainTypes); + + DIArray SPs = getOrCreateArray(AllSubprograms); + DIType(TempSubprograms).replaceAllUsesWith(SPs); + + DIArray GVs = getOrCreateArray(AllGVs); + DIType(TempGVs).replaceAllUsesWith(GVs); +} + +/// getNonCompileUnitScope - If N is compile unit return NULL otherwise return N. +static MDNode *getNonCompileUnitScope(MDNode *N) { + if (DIDescriptor(N).isCompileUnit()) + return NULL; + return N; } /// createCompileUnit - A CompileUnit provides an anchor for all debugging @@ -41,6 +61,23 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, StringRef Directory, StringRef Producer, bool isOptimized, StringRef Flags, unsigned RunTimeVer) { + Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) }; + TempEnumTypes = MDNode::getTemporary(VMContext, TElts); + Value *THElts[] = { TempEnumTypes }; + MDNode *EnumHolder = MDNode::get(VMContext, THElts); + + TempRetainTypes = MDNode::getTemporary(VMContext, TElts); + Value *TRElts[] = { TempRetainTypes }; + MDNode *RetainHolder = MDNode::get(VMContext, TRElts); + + TempSubprograms = MDNode::getTemporary(VMContext, TElts); + Value *TSElts[] = { TempSubprograms }; + MDNode *SPHolder = MDNode::get(VMContext, TSElts); + + TempGVs = MDNode::getTemporary(VMContext, TElts); + Value *TVElts[] = { TempGVs }; + MDNode *GVHolder = MDNode::get(VMContext, TVElts); + Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit), llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)), @@ -52,7 +89,11 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, ConstantInt::get(Type::getInt1Ty(VMContext), true), // isMain ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized), MDString::get(VMContext, Flags), - ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer) + ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer), + EnumHolder, + RetainHolder, + SPHolder, + GVHolder }; TheCU = DICompileUnit(MDNode::get(VMContext, Elts)); @@ -69,7 +110,7 @@ DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) { GetTagConstant(VMContext, dwarf::DW_TAG_file_type), MDString::get(VMContext, Filename), MDString::get(VMContext, Directory), - TheCU + NULL // TheCU }; return DIFile(MDNode::get(VMContext, Elts)); } @@ -93,7 +134,7 @@ DIType DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits, // offset and flags are always empty here. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_base_type), - TheCU, + NULL, //TheCU, MDString::get(VMContext, Name), NULL, // Filename ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line @@ -112,7 +153,7 @@ DIType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) { // Qualified types are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, Tag), - TheCU, + NULL, //TheCU, MDString::get(VMContext, StringRef()), // Empty name. NULL, // Filename ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line @@ -131,7 +172,7 @@ DIType DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits, // Pointer types are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type), - TheCU, + NULL, //TheCU, MDString::get(VMContext, Name), NULL, // Filename ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line @@ -149,7 +190,7 @@ DIType DIBuilder::createReferenceType(DIType RTy) { // References are encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_reference_type), - TheCU, + NULL, //TheCU, NULL, // Name NULL, // Filename ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line @@ -169,7 +210,7 @@ DIType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File, assert(Ty.Verify() && "Invalid typedef type!"); Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_typedef), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNo), @@ -231,7 +272,7 @@ DIType DIBuilder::createMemberType(DIDescriptor Scope, StringRef Name, // TAG_member is encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_member), - Scope, + getNonCompileUnitScope(Scope), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), @@ -256,7 +297,7 @@ DIType DIBuilder::createObjCIVar(StringRef Name, // TAG_member is encoded in DIDerivedType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_member), - File, // Or TheCU ? Ty ? + getNonCompileUnitScope(File), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), @@ -283,7 +324,7 @@ DIType DIBuilder::createClassType(DIDescriptor Context, StringRef Name, // TAG_class_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_class_type), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), @@ -308,7 +349,7 @@ DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name, unsigned ColumnNo) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_template_type_parameter), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), Ty, File, @@ -327,7 +368,7 @@ DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name, unsigned ColumnNo) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), Ty, ConstantInt::get(Type::getInt64Ty(VMContext), Val), @@ -347,7 +388,7 @@ DIType DIBuilder::createStructType(DIDescriptor Context, StringRef Name, // TAG_structure_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_structure_type), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), @@ -372,7 +413,7 @@ DIType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name, // TAG_union_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_union_type), - Scope, + getNonCompileUnitScope(Scope), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), @@ -393,7 +434,7 @@ 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, + getNonCompileUnitScope(File), MDString::get(VMContext, ""), File, ConstantInt::get(Type::getInt32Ty(VMContext), 0), @@ -418,7 +459,7 @@ DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name, // TAG_enumeration_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type), - Scope, + getNonCompileUnitScope(Scope), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), @@ -432,8 +473,7 @@ DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name, llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)), }; MDNode *Node = MDNode::get(VMContext, Elts); - NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum"); - NMD->addOperand(Node); + AllEnumTypes.push_back(Node); return DIType(Node); } @@ -443,9 +483,9 @@ DIType 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), - TheCU, + NULL, //TheCU, MDString::get(VMContext, ""), - TheCU, + NULL, //TheCU, ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), Size), ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits), @@ -465,9 +505,9 @@ DIType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits, // TAG_vector_type is encoded in DICompositeType format. Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_vector_type), - TheCU, + NULL, //TheCU, MDString::get(VMContext, ""), - TheCU, + NULL, //TheCU, ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), Size), ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits), @@ -508,8 +548,7 @@ DIType DIBuilder::createArtificialType(DIType Ty) { /// 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); + AllRetainTypes.push_back(T); } /// createUnspecifiedParameter - Create unspeicified type descriptor @@ -536,7 +575,7 @@ DIType DIBuilder::createTemporaryType(DIFile F) { // use here as long as DIType accepts it. Value *Elts[] = { GetTagConstant(VMContext, DW_TAG_base_type), - F.getCompileUnit(), + TheCU, NULL, F }; @@ -572,7 +611,7 @@ createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber, Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_variable), llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)), - TheCU, + NULL, // TheCU, MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, Name), @@ -584,9 +623,7 @@ createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber, Val }; MDNode *Node = MDNode::get(VMContext, Elts); - // Create a named metadata so that we do not lose this mdnode. - NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv"); - NMD->addOperand(Node); + AllGVs.push_back(Node); return DIGlobalVariable(Node); } @@ -599,7 +636,7 @@ createStaticVariable(DIDescriptor Context, StringRef Name, Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_variable), llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, LinkageName), @@ -611,9 +648,7 @@ createStaticVariable(DIDescriptor Context, StringRef Name, Val }; MDNode *Node = MDNode::get(VMContext, Elts); - // Create a named metadata so that we do not lose this mdnode. - NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv"); - NMD->addOperand(Node); + AllGVs.push_back(Node); return DIGlobalVariable(Node); } @@ -625,7 +660,7 @@ DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope, unsigned ArgNo) { Value *Elts[] = { GetTagConstant(VMContext, Tag), - Scope, + getNonCompileUnitScope(Scope), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))), @@ -660,7 +695,7 @@ DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope, unsigned ArgNo) { SmallVector<Value *, 15> Elts; Elts.push_back(GetTagConstant(VMContext, Tag)); - Elts.push_back(Scope); + 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)))); @@ -686,7 +721,7 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context, Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_subprogram), llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, LinkageName), @@ -707,8 +742,7 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context, MDNode *Node = MDNode::get(VMContext, Elts); // Create a named metadata so that we do not lose this mdnode. - NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp"); - NMD->addOperand(Node); + AllSubprograms.push_back(Node); return DISubprogram(Node); } @@ -729,7 +763,7 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context, Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_subprogram), llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)), - Context, + getNonCompileUnitScope(Context), MDString::get(VMContext, Name), MDString::get(VMContext, Name), MDString::get(VMContext, LinkageName), @@ -747,10 +781,6 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context, TParam, }; MDNode *Node = MDNode::get(VMContext, 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); } @@ -760,7 +790,7 @@ DINameSpace DIBuilder::createNameSpace(DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNo) { Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_namespace), - Scope, + getNonCompileUnitScope(Scope), MDString::get(VMContext, Name), File, ConstantInt::get(Type::getInt32Ty(VMContext), LineNo) @@ -774,7 +804,7 @@ DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File, static unsigned int unique_id = 0; Value *Elts[] = { GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block), - Scope, + getNonCompileUnitScope(Scope), ConstantInt::get(Type::getInt32Ty(VMContext), Line), ConstantInt::get(Type::getInt32Ty(VMContext), Col), File, |