Fix RemoveSDPACompositeZeroMaskPass with new decomp rules

PiperOrigin-RevId: 719918842

Author: chunnienc

ai_edge_torch/generative/fx_passes/remove_sdpa_zero_mask_pass.py

@@ -16,11 +16,17 @@
 from ai_edge_torch import lowertools
 import torch
 
+fx_infra.decomp.remove_pre_convert_decomp(torch.ops.aten.zeros.default)
+fx_infra.decomp.remove_pre_convert_decomp(torch.ops.aten.zeros_like.default)
+
 
 class RemoveSDPACompositeZeroMaskPass(fx_infra.ExportedProgramPassBase):
 
   def is_zero_tensor_node(self, node: torch.fx.Node):
-    return node.target == torch.ops.aten.zeros.default
+    return node.target in (
+        torch.ops.aten.zeros.default,
+        torch.ops.aten.zeros_like.default,
+    )
 
   def call(self, exported_program: torch.export.ExportedProgram):
     graph = exported_program.graph_module.graph

ai_edge_torch/generative/fx_passes/test/test_remove_sdpa_zero_mask_pass.py

@@ -41,6 +41,9 @@ def forward(self, *args, **kwargs):
     module = func
 
   exported_program = torch.export.export(module, export_args)
+  exported_program = fx_infra.safe_run_decompositions(
+      exported_program, fx_infra.decomp.pre_convert_decomp()
+  )
   exported_program = fx_infra.run_passes(
       exported_program,
       [