yongwww commented on a change in pull request #5699:
URL: https://github.com/apache/incubator-tvm/pull/5699#discussion_r439130129
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File path: python/tvm/relay/frontend/tensorflow.py
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@@ -1177,18 +1137,26 @@ def _impl(inputs, attr, params, mod):
except (IndexError, KeyError, AttributeError):
# Handle symbolic begin
try:
- begin = _infer_value(inputs[1], params).asnumpy().tolist()
+ begin = _infer_value(inputs[1], params, mod).asnumpy().tolist()
except Exception:
begin = inputs[1]
try:
size = _get_list_param(params, inputs[2])
except (IndexError, KeyError, AttributeError):
# Handle symbolic size
try:
- size = _infer_value(inputs[2], params).asnumpy().tolist()
+ size = _infer_value(inputs[2], params, mod).asnumpy().tolist()
except Exception:
size = inputs[2]
- return _op.strided_slice(inputs[0], begin=begin, end=size,
slice_mode="size")
+
+ # Align begin and strides for dynamic shape.
+ data_dim = len(_infer_shape(inputs[0], mod))
+ strides = [1] * data_dim
+ if not isinstance(begin, (_expr.Call, _expr.Var)):
+ for _ in range(len(begin), data_dim):
+ begin.append(0)
Review comment:
apply similar append to size? `size.append(-1)`
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