[Backend Tester] Skip tests with undelegated conv3d ops (pytorch#14185)

We are missing a portable kernel implementation for Conv3d, so any tests
that contain one will fail. Since conv1d, 2d, and 3d all share the same
op, we need some logic to handle this constraint and skip the test. This
fixes a small number of (incorrect) test failures on the backend suite
when decomposed conv3d patterns are partially delegated.

Author: GregoryComer

backends/test/suite/runner.py

@@ -15,6 +15,7 @@
 UNSUPPORTED_PORTABLE_OPS = {
     "aten::_embedding_bag",
     "aten::_adaptive_avg_pool2d",
+    "aten::adaptive_max_pool2d",
     "aten::median",
     "aten::median.dim",
     "aten::round.decimals",
@@ -34,6 +35,7 @@
     TestResult,
 )
 from executorch.exir import EdgeProgramManager
+from executorch.exir.dialects._ops import ops as exir_ops
 
 
 # A list of all runnable test suites and the corresponding python package.
@@ -43,6 +45,24 @@
 }
 
 
+def _graph_has_unsupported_patterns(program: torch.export.ExportedProgram) -> bool:
+    # Returns true if the model contains patterns that will fail when running on the ET
+    # portable kernel library.
+
+    # Check for 3d convolutions. All convs (1d, 2d, 3d) use the same op, so we need to look at
+    # the input meta to determine the rank.
+    for node in program.graph.nodes:
+        if (
+            node.op == "call_function"
+            and node.target == exir_ops.edge.aten.convolution.default
+        ):
+            in_rank = node.args[0].meta["val"].dim()
+            if in_rank != 4:
+                return True
+
+    return False
+
+
 def _get_test_seed(test_base_name: str) -> int:
     # Set the seed based on the test base name to give consistent inputs between backends. Add the
     # run seed to allow for reproducible results, but still allow for run-to-run variation.
@@ -162,7 +182,7 @@ def build_result(
     # Check if any undelegated ops are in the unsupported ops set.
     has_unsupported_ops = any(
         op in UNSUPPORTED_PORTABLE_OPS for op in undelegated_op_counts.keys()
-    )
+    ) or _graph_has_unsupported_patterns(edge_manager._etrecord.edge_dialect_program)
 
     # Skip the test if there are unsupported portable ops remaining.
     if has_unsupported_ops: