[Mlir-commits] [mlir] [mlir] Make MemoryEffectsOpInterface optional. (PR #187427)

[Mehdi Amini]

================
@@ -213,6 +213,12 @@ class MemoryEffectOpInterfaceFallbackModel
     callbacks.getEffects(wrap(op), cEffects, callbacks.userData);
   }
 
+  bool hasKnownMemoryEffects(Operation *op) const {
+    if (callbacks.hasKnownMemoryEffects)
+      return callbacks.hasKnownMemoryEffects(wrap(op));
+    return true;
+  }
----------------
joker-eph wrote:

Nit: The C API is missing testing

https://github.com/llvm/llvm-project/pull/187427