fix(src/gopt): fix padding channel pass error when apply on nchw44 reduce which axis is negative

GitOrigin-RevId: 08735c0ccc72bb95fe6881d7a486820e5638d340

src/gopt/impl/padding_channel.cpp

@@ -552,7 +552,7 @@ void PaddingChannelPass::add_condition_padding_oprs_replace_func(LayoutTrans) {
         if (auto reduce = opr->try_cast_final<opr::Reduce>()) {
             auto axis = reduce->param().axis;
             if (axis < 0) {
-                axis += reduce->input(0)->layout().ndim;
+                axis += reduce->input(0)->shape().ndim;
             }
             //! don't reduce in channel
             if (reduce->input().size() > 1) {

src/gopt/test/padding_channel.cpp

@@ -305,7 +305,7 @@ TEST(TestGoptInference, ChannelPaddingReduce) {
     auto reduce0 = opr::Reduce::make(
             conv2, {opr::Reduce::Mode::MAX, 1}, {}, OperatorNodeConfig("reduce0"));
     auto reduce1 = opr::Reduce::make(
-            conv2, {opr::Reduce::Mode::MAX, 2}, {}, OperatorNodeConfig("reduce1"));
+            conv2, {opr::Reduce::Mode::MAX, -1}, {}, OperatorNodeConfig("reduce1"));
     auto y_reduce = reduce0 + reduce1;
 
     SymbolVar y_pad;