support item negative index bprop

mindspore/ccsrc/frontend/optimizer/irpass/item_tuple_or_list_eliminate.h

@@ -47,8 +47,11 @@ class ConvertItemIndexToPositive : public AnfVisitor {
     AnfVisitor::Match(prim::kPrimTupleSetItem, {IsCNode, IsVNode, IsNode})(node);
     AnfVisitor::Match(prim::kPrimListSetItem, {IsCNode, IsVNode, IsNode})(node);
 
-    if (is_match_) {
+    FuncGraphPtr fg = node->func_graph();
-      node->cast<CNodePtr>()->set_input(2, NewValueNode(id_));
+    if (is_match_ && fg != nullptr) {
+      auto inputs = node->cast<CNodePtr>()->inputs();
+      inputs[2] = NewValueNode(id_);
+      return fg->NewCNode(inputs);
     }
     return nullptr;
   }

mindspore/common/_decorator.py

@@ -14,6 +14,7 @@
 # ============================================================================
 """Providing decorators."""
 
+from mindspore import log
 
 def deprecated(version, substitute, use_substitute_name=False):
     """deprecated warning
@@ -28,8 +29,8 @@ def deprecated(version, substitute, use_substitute_name=False):
         def wrapper(*args, **kwargs):
             cls = getattr(args[0], "__class__", None) if args else None
             name = cls.__name__ if cls else func.__name__
-            print(f"WARNING: '{name}' is deprecated from version {version} and will be removed in a future version, "
+            log.warning(f"'{name}' is deprecated from version {version} and "
-                  f"use '{substitute}' instead.")
+                        f"will be removed in a future version, use '{substitute}' instead.")
             if cls and use_substitute_name:
                 cls.substitute_name = substitute
             ret = func(*args, **kwargs)

tests/ut/python/pipeline/parse/test_tuple_index_by_negative.py

@@ -20,8 +20,9 @@ from mindspore import nn
 from mindspore import Tensor
 from mindspore import context
 from mindspore.ops import operations as P
+from mindspore.ops import composite as C
 
-context.set_context(mode=context.GRAPH_MODE, save_graphs=True)
+context.set_context(mode=context.GRAPH_MODE)
 
 
 def test_tuple_index_by_negative_number():
@@ -37,12 +38,24 @@ def test_tuple_index_by_negative_number():
             ret[-1] = 100
             return ret
 
+    class GradNet(nn.Cell):
+        def __init__(self, net, get_all):
+            super(GradNet, self).__init__()
+            self.forward_net = net
+            self.sens = Tensor(np.ones((2, 2), np.float32) * 5)
+            self.grad_all = C.GradOperation(get_all=get_all)
+
+        def construct(self, x):
+            return self.grad_all(self.forward_net)(x)
+
     net = Net()
+    grad_net = GradNet(net, True)
     x = Tensor(np.ones((4, 2, 3)))
     net(x)
+    grad_net(x)
 
 
-def Ttest_tuple_index_by_negative_number_out_bound():
+def test_tuple_index_by_negative_number_out_bound():
     class Net(nn.Cell):
         def __init__(self):
             super(Net, self).__init__()