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Add sum.dim_IntList to RemovePermutesAroundElementwiseOps #19243

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Merged
meta-codesync merged 1 commit into from
May 1, 2026
+9 −2
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Add sum.dim_IntList to RemovePermutesAroundElementwiseOps #19243

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11 changes: 9 additions & 2 deletions backends/transforms/remove_permutes_around_elementwise_ops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ class Subgraph:
# Ops that require special handling.
exir_ops.edge.aten.cat.default,
exir_ops.edge.aten.mean.dim,
exir_ops.edge.aten.sum.dim_IntList,
exir_ops.edge.aten.slice_copy.Tensor,
}

Expand Down Expand Up @@ -161,7 +162,10 @@ def _get_node_rank(self, node: torch.fx.Node) -> int | None:
def is_node_permutable(self, node: torch.fx.Node) -> bool:
if node.target not in self.permutable_ops:
return False
if node.target == exir_ops.edge.aten.mean.dim:
if node.target in (
exir_ops.edge.aten.mean.dim,
exir_ops.edge.aten.sum.dim_IntList,
):
# keepdim should be True.
if len(node.args) >= 3:
if not node.args[2]:
Expand Down Expand Up @@ -236,7 +240,10 @@ def permute_subgraph(self, subgraph: Subgraph) -> None:
for node in subgraph.nodes:
if node.target == exir_ops.edge.aten.cat.default:
self.update_cat(node, subgraph.start_permute)
elif node.target == exir_ops.edge.aten.mean.dim:
elif node.target in (
exir_ops.edge.aten.mean.dim,
exir_ops.edge.aten.sum.dim_IntList,
):
self.update_mean_dim(node, subgraph.start_permute)
elif node.target == exir_ops.edge.aten.slice_copy.Tensor:
self.update_slice_copy(node, subgraph.start_permute)
Expand Down
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