【slice】Stridecopy support diff input-dim and ouput_dim

paddle/phi/kernels/funcs/slice_utils.h

@@ -22,7 +22,18 @@ limitations under the License. */
 namespace phi {
 
 namespace funcs {
+inline bool CheckIsLastDimsMatch(const DDim& first, const DDim& second) {
+ auto n1 = first.size();
+ auto n2 = second.size();
+ size_t min_len = std::min(n1, n2);
 
+ for (size_t i = 0; i < min_len; i++) {
+ if (first[n1 - 1 - i] != second[n2 - 1 - i]) {
+ return false;
+ }
+ }
+ return true;
+}
 // check whether the tensor with dimension of second can assign to the
 // tensor with dimension of first
 inline bool CheckIsDimsMatchBool(const DDim& first, const DDim& second) {