}
unsigned DIVariable::getNumAddrElements() const {
- return DbgNode->getNumOperands()-6;
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return DbgNode->getNumOperands()-6;
+ return DbgNode->getNumOperands()-7;
}
return isGlobalVariable();
}
+/// isUnspecifiedParmeter - Return true if the specified tab is
+/// DW_TAG_unspecified_parameters.
+bool DIDescriptor::isUnspecifiedParameter() const {
+ return DbgNode && getTag() == dwarf::DW_TAG_unspecified_parameters;
+}
+
/// isScope - Return true if the specified tag is one of the scope
/// related tag.
bool DIDescriptor::isScope() const {
}
}
+/// replaceAllUsesWith - Replace all uses of debug info referenced by
+/// this descriptor.
+void DIType::replaceAllUsesWith(MDNode *D) {
+ if (!DbgNode)
+ return;
+
+ // Since we use a TrackingVH for the node, its easy for clients to manufacture
+ // legitimate situations where they want to replaceAllUsesWith() on something
+ // which, due to uniquing, has merged with the source. We shield clients from
+ // this detail by allowing a value to be replaced with replaceAllUsesWith()
+ // itself.
+ if (DbgNode != D) {
+ MDNode *Node = const_cast<MDNode*>(DbgNode);
+ const MDNode *DN = D;
+ const Value *V = cast_or_null<Value>(DN);
+ Node->replaceAllUsesWith(const_cast<Value*>(V));
+ MDNode::deleteTemporary(Node);
+ }
+}
+
/// Verify - Verify that a compile unit is well formed.
bool DICompileUnit::Verify() const {
if (!DbgNode)
return false;
if (!getContext().Verify())
return false;
-
- DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ unsigned Tag = getTag();
+ if (!isBasicType() && Tag != dwarf::DW_TAG_const_type &&
+ Tag != dwarf::DW_TAG_volatile_type && Tag != dwarf::DW_TAG_pointer_type &&
+ Tag != dwarf::DW_TAG_reference_type && Tag != dwarf::DW_TAG_restrict_type
+ && Tag != dwarf::DW_TAG_vector_type && Tag != dwarf::DW_TAG_array_type
+ && Tag != dwarf::DW_TAG_enumeration_type
+ && getFilename().empty())
return false;
return true;
}
return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
}
-
+/// CreateUnspecifiedParameter - Create unspeicified type descriptor
+/// for the subroutine type.
+DIDescriptor DIFactory::CreateUnspecifiedParameter() {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_unspecified_parameters)
+ };
+ return DIDescriptor(MDNode::get(VMContext, &Elts[0], 1));
+}
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit. Note that this does not unique compile units within the module.
return DICompositeType(Node);
}
-
/// CreateTemporaryType - Create a temporary forward-declared type.
DIType DIFactory::CreateTemporaryType() {
// Give the temporary MDNode a tag. It doesn't matter what tag we
return DIType(Node);
}
+/// CreateTemporaryType - Create a temporary forward-declared type.
+DIType DIFactory::CreateTemporaryType(DIFile F) {
+ // Give the temporary MDNode a tag. It doesn't matter what tag we
+ // use here as long as DIType accepts it.
+ Value *Elts[] = {
+ GetTagConstant(DW_TAG_base_type),
+ F.getCompileUnit(),
+ NULL,
+ F
+ };
+ MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
+ return DIType(Node);
+}
/// CreateCompositeType - Create a composite type like array, struct, etc.
DICompositeType DIFactory::CreateCompositeTypeEx(unsigned Tag,
return DIGlobalVariable(Node);
}
+/// fixupObjcLikeName - Replace contains special characters used
+/// in a typical Objective-C names with '.' in a given string.
+static void fixupObjcLikeName(std::string &Str) {
+ for (size_t i = 0, e = Str.size(); i < e; ++i) {
+ char C = Str[i];
+ if (C == '[' || C == ']' || C == ' ' || C == ':' || C == '+' ||
+ C == '(' || C == ')')
+ Str[i] = '.';
+ }
+}
+
+/// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
+/// to hold function specific information.
+NamedMDNode *llvm::getOrInsertFnSpecificMDNode(Module &M, StringRef FuncName) {
+ SmallString<32> Out;
+ if (FuncName.find('[') == StringRef::npos)
+ return M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", FuncName)
+ .toStringRef(Out));
+ std::string Name = FuncName;
+ fixupObjcLikeName(Name);
+ return M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", Name)
+ .toStringRef(Out));
+}
+
+/// getFnSpecificMDNode - Return a NameMDNode, if available, that is
+/// suitable to hold function specific information.
+NamedMDNode *llvm::getFnSpecificMDNode(const Module &M, StringRef FuncName) {
+ if (FuncName.find('[') == StringRef::npos)
+ return M.getNamedMetadata(Twine("llvm.dbg.lv.", FuncName));
+ std::string Name = FuncName;
+ fixupObjcLikeName(Name);
+ return M.getNamedMetadata(Twine("llvm.dbg.lv.", Name));
+}
+
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
StringRef Name,
DIFile F,
unsigned LineNo,
- DIType Ty, bool AlwaysPreserve) {
+ DIType Ty, bool AlwaysPreserve,
+ unsigned Flags) {
Value *Elts[] = {
GetTagConstant(Tag),
Context,
F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Ty,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags)
};
- MDNode *Node = MDNode::get(VMContext, &Elts[0], 6);
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 7);
if (AlwaysPreserve) {
// The optimizer may remove local variable. If there is an interest
// to preserve variable info in such situation then stash it in a
if (FName.startswith(StringRef(&One, 1)))
FName = FName.substr(1);
- SmallString<32> Out;
- NamedMDNode *FnLocals =
- M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", FName).toStringRef(Out));
+
+ NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, FName);
FnLocals->addOperand(Node);
}
return DIVariable(Node);
projects / oota-llvm.git / blobdiff