[mlir] expose -debug-only equivalent to C and Python (#93175)

These are useful for finer-grain debugging and complement the already
exposed global debug flag.

Author: ftynse

IRCore.cpp

@@ -240,7 +240,20 @@ struct PyGlobalDebugFlag {
     // Debug flags.
     py::class_<PyGlobalDebugFlag>(m, "_GlobalDebug", py::module_local())
         .def_property_static("flag", &PyGlobalDebugFlag::get,
-                             &PyGlobalDebugFlag::set, "LLVM-wide debug flag");
+                             &PyGlobalDebugFlag::set, "LLVM-wide debug flag")
+        .def_static(
+            "set_types",
+            [](const std::string &type) {
+              mlirSetGlobalDebugType(type.c_str());
+            },
+            "types"_a, "Sets specific debug types to be produced by LLVM")
+        .def_static("set_types", [](const std::vector<std::string> &types) {
+          std::vector<const char *> pointers;
+          pointers.reserve(types.size());
+          for (const std::string &str : types)
+            pointers.push_back(str.c_str());
+          mlirSetGlobalDebugTypes(pointers.data(), pointers.size());
+        });
   }
 };