func (d *DIBuilder) descriptorNamed(t *types.Named) llvm.Metadata {
var diFile llvm.Metadata
var line int
if file := d.fset.File(t.Obj().Pos()); file != nil {
line = file.Line(t.Obj().Pos())
diFile = d.getFile(file)
}
// Create a placeholder for the named type, to terminate cycles.
name := t.Obj().Name()
placeholder := d.builder.CreateReplaceableCompositeType(d.scope(), llvm.DIReplaceableCompositeType{
Tag: dwarf.TagStructType,
Name: name,
File: diFile,
Line: line,
})
d.types.Set(t, placeholder)
typedef := d.builder.CreateTypedef(llvm.DITypedef{
Type: d.DIType(t.Underlying()),
Name: name,
File: diFile,
Line: line,
})
placeholder.ReplaceAllUsesWith(typedef)
return typedef
}
