tingyuzaixiao opened a new issue, #15598:
URL: https://github.com/apache/tvm/issues/15598
%165 = squeeze(%164, axis=[0]) /* ty=Tensor[(3, 70835, 1), float32]
span=Squeeze_4:0:0 */;
%166 = copy(%164) /* ty=Tensor[(1, 3, 70835, 1), float32]
span=Identity_5:0:0 */;
%167 = squeeze(%164, axis=[0]) /* ty=Tensor[(3, 70835, 1), float32]
span=Squeeze_6:0:0 */;
%168 = copy(%164) /* ty=Tensor[(1, 3, 70835, 1), float32]
span=Identity_7:0:0 */;
%169 = broadcast_to_like(%151, %152) /* ty=Tensor[(1, 8, 70835, 1),
float32] span=If_0:0:0 */;
%170 = broadcast_to_like(%158, %159) /* ty=Tensor[(1, 21, 70835, 1),
float32] span=If_1:0:0 */;
%171 = broadcast_to_like(%165, %166) /* ty=Tensor[(1, 3, 70835, 1),
float32] span=If_2:0:0 */;
%172 = broadcast_to_like(%167, %168) /* ty=Tensor[(1, 3, 70835, 1),
float32] span=If_3:0:0 */;
(%169, %170, %171, %172) /* ty=(Tensor[(1, 8, 70835, 1), float32],
Tensor[(1, 21, 70835, 1), float32], Tensor[(1, 3, 70835, 1), float32],
Tensor[(1, 3, 70835, 1), float32]) */
Look at the number %172 aboveļ¼the squeeze operator is optimized into squeeze
operator, copy operator and broadcast_to_like operator. When executing
squeeze(0), the result shape is (1, 3, 70835, 1), but (3, 70835, 1) is correct.
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