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[RELAX][ONNX] Add prim experssion support to Neg converter and update Arange converter to use relax.op.arange #17566

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[RELAX][ONNX] Add prim experssion support to Neg converter and update Arange converter to use relax.op.arange #17566

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4 changes: 3 additions & 1 deletion python/tvm/relax/frontend/onnx/onnx_frontend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1526,6 +1526,8 @@ def _impl_v13(cls, bb, inputs, attr, params):
if isinstance(inputs[0], relax.Constant):
data_np = inputs[0].data.numpy()
return relax.const(_np.negative(data_np), inputs[0].struct_info.dtype)
if isinstance(inputs[0], relax.PrimValue):
return relax.PrimValue(-inputs[0].value)
return relax.op.negative(inputs[0])


Expand Down Expand Up @@ -2189,7 +2191,7 @@ def _impl_v12(cls, bb, inputs, attr, params):
return relax.const(out_range, out_dtype)

# Otherwise compute in graph.
return bb.emit_te(topi.arange, start, limit, step, out_dtype)
return relax.op.arange(start, limit, step, out_dtype)


class InstanceNormalization(OnnxOpConverter):
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