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
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+//
+//  MergeRelu6ToConvolution.cpp
+//  MNNConverter
+//
+//  Created by MNN on 2019/11/27.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "../PostTreatUtils.hpp"
+#include "MergeToConvolution.hpp"
+
+using namespace MNN;
+
+class MergeRelu6ToConvolution : public MergeToConvolution {
+public:
+    bool merge2Convolution(const MNN::OpT* inplaceOp, MNN::OpT* convolutionOp) const {
+        if (inplaceOp->type == MNN::OpType_ReLU6) {
+            if (nullptr == inplaceOp->main.AsRelu6()) {
+                convolutionOp->main.AsConvolution2D()->common->relu6 = true;
+                return true;
+            }
+            if (inplaceOp->main.AsRelu6()->maxValue == 6.0f && inplaceOp->main.AsRelu6()->minValue == 0.0f) {
+                convolutionOp->main.AsConvolution2D()->common->relu6 = true;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    bool merge2Convolution3D(const MNN::OpT* inplaceOp, MNN::OpT* convolutionOp) const {
+        if (inplaceOp->type == MNN::OpType_ReLU6) {
+            if (nullptr == inplaceOp->main.AsRelu6()) {
+                convolutionOp->main.AsConvolution3D()->common->relu6 = true;
+                return true;
+            }
+            if (inplaceOp->main.AsRelu6()->maxValue == 6.0f && inplaceOp->main.AsRelu6()->minValue == 0.0f) {
+                convolutionOp->main.AsConvolution3D()->common->relu6 = true;
+                return true;
+            }
+        }
+        return false;
+    }
+};
+static PostConverterRegister<MergeRelu6ToConvolution> __l("MergeRelu6ToConvolution");