chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
@@ -0,0 +1,33 @@
+//
+//  TensorConvertGrad.cpp
+//  MNN
+//
+//  Created by MNN on 2019/05/04.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "TensorConvertGrad.hpp"
+using namespace std;
+namespace MNN {
+using namespace MNN::Express;
+
+class TensorConvertGrad : public OpGrad {
+public:
+    virtual std::vector<Express::VARP> onGrad(Express::EXPRP expr,
+                                              const std::vector<Express::VARP>& backwardOutput) override {
+        std::vector<Express::VARP> result{nullptr};
+        auto originInput = expr->inputs()[0];
+        auto originInfo = originInput->getInfo();
+        result[0]        = _Convert(backwardOutput[0], originInfo->order);
+        return result;
+    }
+};
+static void _create() {
+    static TensorConvertGrad _c;
+    OpGrad::insert(OpType_ConvertTensor, &_c);
+
+}
+
+REGISTER_GRAD(TensorConvertGrad_cpp, _create);
+};
+