Do not fail with sparsity tensors

terryheo · copybara-github · commit 0f264fe76d90 · 2025-10-06T20:31:43.000-07:00
Update UnpackTensor() emits warning with sparsity tensors instead of failure.

LiteRT-PiperOrigin-RevId: 816005995
diff --git a/litert/core/model/model_load.cc b/litert/core/model/model_load.cc
@@ -250,8 +250,8 @@ LiteRtStatus UnpackTensor(FlatbufferContext& context,
 
   if (tfl_tensor.sparsity() != nullptr) {
     // TODO: b/365299994 - Support sparsity tensors.
-    LITERT_LOG(LITERT_ERROR, "Sparsity tensors not yet supported.");
-    return kLiteRtStatusErrorUnsupported;
+    LITERT_LOG(LITERT_WARNING,
+               "Sparsity tensors may not yet be fully supported.");
   }
 
   return kLiteRtStatusOk;

Original file line number	Diff line number	Diff line change
`@@ -250,8 +250,8 @@ LiteRtStatus UnpackTensor(FlatbufferContext& context,`
`250`	`250`
`251`	`251`	`if (tfl_tensor.sparsity() != nullptr) {`
`252`	`252`	`// TODO: b/365299994 - Support sparsity tensors.`
`253`		`- LITERT_LOG(LITERT_ERROR, "Sparsity tensors not yet supported.");`
`254`		`- return kLiteRtStatusErrorUnsupported;`
	`253`	`+ LITERT_LOG(LITERT_WARNING,`
	`254`	`+ "Sparsity tensors may not yet be fully supported.");`
`255`	`255`	`}`
`256`	`256`
`257`	`257`	`return kLiteRtStatusOk;`