[Mlir-commits] [mlir] [MLIR][LLVM] DI Recursive Type fix for recursion via scope of composites (PR #85850)

[Tobias Gysi]

================
@@ -402,3 +402,24 @@ llvm.func @func_debug_directives() {
 llvm.func @class_method() {
   llvm.return loc(#loc3)
 } loc(#loc3)
+
+// -----
+
+// Test recursive composite type with recursion via its scope is translated.
+
+#di_composite_type_self = #llvm.di_composite_type<tag = DW_TAG_null, recId = distinct[0]<>>
+#di_file = #llvm.di_file<"test.mlir" in "/">
+#di_subroutine_type = #llvm.di_subroutine_type<types = #di_composite_type_self>
+#di_subprogram = #llvm.di_subprogram<scope = #di_file, name = "my_func", file = #di_file, line = 182, scopeLine = 182, subprogramFlags = Optimized, type = #di_subroutine_type>
+// The composite type whose scope leads to a self-recursive cycle.
----------------
gysit wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/85850