Deprecate InjectMlirDebuginfoPass for odml_torch default migration

PiperOrigin-RevId: 711867888

Author: chunnienc

ai_edge_torch/_convert/conversion.py

@@ -14,9 +14,9 @@
 # ==============================================================================
 
 import logging
-import os
 from typing import Any, Literal, Optional, Union
 
+import ai_edge_torch
 from ai_edge_torch import fx_pass_base
 from ai_edge_torch import lowertools
 from ai_edge_torch import model
@@ -26,30 +26,34 @@
 from ai_edge_torch.quantize import quant_config as qcfg
 import torch
 
-os.environ["EXPERIMENTAL_XLA_UNBOUNDED_DYNAMISM"] = "1"
-
 
 def _run_convert_passes(
     exported_program: torch.export.ExportedProgram,
 ) -> torch.export.ExportedProgram:
   exported_program = generative_fx_passes.run_generative_passes(
       exported_program
   )
-  exported_program = fx_pass_base.run_passes(
-      exported_program,
-      [
-          fx_passes.BuildInterpolateCompositePass(),
-          fx_passes.CanonicalizePass(),
-          fx_passes.OptimizeLayoutTransposesPass(),
-          fx_passes.CanonicalizePass(),
-          fx_passes.BuildAtenCompositePass(),
-          fx_passes.CanonicalizePass(),
-          fx_passes.RemoveNonUserOutputsPass(),
-          fx_passes.CanonicalizePass(),
-          fx_passes.InjectMlirDebuginfoPass(),
-          fx_passes.CanonicalizePass(),
-      ],
-  )
+
+  passes = [
+      fx_passes.BuildInterpolateCompositePass(),
+      fx_passes.CanonicalizePass(),
+      fx_passes.OptimizeLayoutTransposesPass(),
+      fx_passes.CanonicalizePass(),
+      fx_passes.BuildAtenCompositePass(),
+      fx_passes.CanonicalizePass(),
+      fx_passes.RemoveNonUserOutputsPass(),
+      fx_passes.CanonicalizePass(),
+  ]
+
+  # Debuginfo is not injected automatically by odml_torch. Only inject
+  # debuginfo via fx pass when using torch_xla.
+  if ai_edge_torch.config.use_torch_xla:
+    passes += [
+        fx_passes.InjectMlirDebuginfoPass(),
+        fx_passes.CanonicalizePass(),
+    ]
+
+  exported_program = fx_pass_base.run_passes(exported_program, passes)
   return exported_program
 
 

ai_edge_torch/_convert/fx_passes/inject_mlir_debuginfo_pass.py

@@ -62,6 +62,7 @@ def debuginfo_writer(*args, **kwargs):
 
 
 class InjectMlirDebuginfoPass(fx_pass_base.PassBase):
+  """DEPRECATED: Debuginfo is injected automatically by odml_torch."""
 
   def call(self, graph_module: torch.fx.GraphModule):
     for node in graph_module.graph.nodes:

ai_edge_torch/_convert/fx_passes/test/test_inject_mlir_debuginfo_pass.py

@@ -27,6 +27,9 @@
   # https://github.com/google-ai-edge/ai-edge-torch/issues/326
   os.environ["PJRT_DEVICE"] = "CPU"
 
+os.environ["EXPERIMENTAL_XLA_UNBOUNDED_DYNAMISM"] = "1"
+
+
 from ai_edge_torch import model
 from ai_edge_torch._convert import conversion_utils
 from ai_edge_torch._convert import signature as signature_module