UniqueIdentifier.empty() ? nullptr
: MDString::get(VMContext, UniqueIdentifier)
};
+ 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.
+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(),
+ 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)
+ };
MDNode *Node = MDNode::getTemporary(VMContext, Elts);
DICompositeType RetTy(Node);
assert(RetTy.isCompositeType() &&
assert(getNonCompileUnitScope(Context) &&
"Methods should have both a Context and a context that isn't "
"the compile unit.");
- Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
F.getFileNode(),
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)
};
DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
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[] = {