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-rw-r--r--llvm/lib/Analysis/DIBuilder.cpp122
-rw-r--r--llvm/lib/Analysis/DebugInfo.cpp71
2 files changed, 122 insertions, 71 deletions
diff --git a/llvm/lib/Analysis/DIBuilder.cpp b/llvm/lib/Analysis/DIBuilder.cpp
index 98a0ba085e1..55f6fcab56a 100644
--- a/llvm/lib/Analysis/DIBuilder.cpp
+++ b/llvm/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,
diff --git a/llvm/lib/Analysis/DebugInfo.cpp b/llvm/lib/Analysis/DebugInfo.cpp
index de4b6021df7..e6ce9e4e74c 100644
--- a/llvm/lib/Analysis/DebugInfo.cpp
+++ b/llvm/lib/Analysis/DebugInfo.cpp
@@ -359,7 +359,7 @@ bool DICompileUnit::Verify() const {
bool DIType::Verify() const {
if (!DbgNode)
return false;
- if (!getContext().Verify())
+ if (getContext() && !getContext().Verify())
return false;
unsigned Tag = getTag();
if (!isBasicType() && Tag != dwarf::DW_TAG_const_type &&
@@ -386,12 +386,9 @@ bool DIDerivedType::Verify() const {
bool DICompositeType::Verify() const {
if (!DbgNode)
return false;
- if (!getContext().Verify())
+ if (getContext() && !getContext().Verify())
return false;
- DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
- return false;
return true;
}
@@ -400,11 +397,7 @@ bool DISubprogram::Verify() const {
if (!DbgNode)
return false;
- if (!getContext().Verify())
- return false;
-
- DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ if (getContext() && !getContext().Verify())
return false;
DICompositeType Ty = getType();
@@ -421,11 +414,7 @@ bool DIGlobalVariable::Verify() const {
if (getDisplayName().empty())
return false;
- if (!getContext().Verify())
- return false;
-
- DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ if (getContext() && !getContext().Verify())
return false;
DIType Ty = getType();
@@ -443,10 +432,7 @@ bool DIVariable::Verify() const {
if (!DbgNode)
return false;
- if (!getContext().Verify())
- return false;
-
- if (!getCompileUnit().Verify())
+ if (getContext() && !getContext().Verify())
return false;
DIType Ty = getType();
@@ -470,8 +456,6 @@ bool DINameSpace::Verify() const {
return false;
if (getName().empty())
return false;
- if (!getCompileUnit().Verify())
- return false;
return true;
}
@@ -566,6 +550,47 @@ StringRef DIScope::getDirectory() const {
return StringRef();
}
+DIArray DICompileUnit::getEnumTypes() const {
+ if (!DbgNode || DbgNode->getNumOperands() < 14)
+ return DIArray();
+
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(10)))
+ if (MDNode *A = dyn_cast_or_null<MDNode>(N->getOperand(0)))
+ return DIArray(A);
+ return DIArray();
+}
+
+DIArray DICompileUnit::getRetainedTypes() const {
+ if (!DbgNode || DbgNode->getNumOperands() < 14)
+ return DIArray();
+
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(11)))
+ if (MDNode *A = dyn_cast_or_null<MDNode>(N->getOperand(0)))
+ return DIArray(A);
+ return DIArray();
+}
+
+DIArray DICompileUnit::getSubprograms() const {
+ if (!DbgNode || DbgNode->getNumOperands() < 14)
+ return DIArray();
+
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(12)))
+ if (MDNode *A = dyn_cast_or_null<MDNode>(N->getOperand(0)))
+ return DIArray(A);
+ return DIArray();
+}
+
+
+DIArray DICompileUnit::getGlobalVariables() const {
+ if (!DbgNode || DbgNode->getNumOperands() < 14)
+ return DIArray();
+
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(13)))
+ if (MDNode *A = dyn_cast_or_null<MDNode>(N->getOperand(0)))
+ return DIArray(A);
+ return DIArray();
+}
+
//===----------------------------------------------------------------------===//
// DIDescriptor: dump routines for all descriptors.
//===----------------------------------------------------------------------===//
@@ -597,7 +622,6 @@ void DIType::print(raw_ostream &OS) const {
OS << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
- getCompileUnit().print(OS);
OS << " ["
<< "line " << getLineNumber() << ", "
<< getSizeInBits() << " bits, "
@@ -653,7 +677,6 @@ void DISubprogram::print(raw_ostream &OS) const {
OS << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
- getCompileUnit().print(OS);
OS << " [" << getLineNumber() << "] ";
if (isLocalToUnit())
@@ -676,7 +699,6 @@ void DIGlobalVariable::print(raw_ostream &OS) const {
OS << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
- getCompileUnit().print(OS);
OS << " [" << getLineNumber() << "] ";
if (isLocalToUnit())
@@ -732,7 +754,6 @@ void DIVariable::print(raw_ostream &OS) const {
if (!Res.empty())
OS << " [" << Res << "] ";
- getCompileUnit().print(OS);
OS << " [" << getLineNumber() << "] ";
getType().print(OS);
OS << "\n";
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