replace reshape op with reshape2 op (#45735)

python/paddle/fluid/layer_helper_base.py

@@ -163,10 +163,14 @@ class LayerHelperBase(object):
                         [self.name, 'weight_norm_reshape'])),
                     dtype=dtype,
                     persistable=False)
-            block.append_op(type='reshape',
+            x_shape = block.create_var(name="Xshape", dtype=x.dtype)
+            block.append_op(type="reshape2",
                             inputs={'X': x},
-                            outputs={'Out': out},
-                            attrs={'shape': shape})
+                            attrs={'shape': shape},
+                            outputs={
+                                "Out": out,
+                                "XShape": x_shape
+                            })
             return out
 
         def __transpose_op(x,

python/paddle/fluid/layers/tensor.py

@@ -1833,7 +1833,7 @@ def eye(num_rows,
         re_shape = re_shape + [num_rows, num_columns]
         expand_times = batch_shape + [1, 1]
         if _non_static_mode():
-            out = _legacy_C_ops.reshape(out, 'shape', re_shape)
+            out, _ = _legacy_C_ops.reshape2(out, None, 'shape', re_shape)
             return _legacy_C_ops.expand(out, None, 'expand_times', expand_times)
 
         if not isinstance(batch_shape, list):