modify reshape2 OP test=dvelop (#1963)

modify reshape2 OP to add shape_tensor input

lite/kernels/host/reshape_compute.cc

@@ -66,6 +66,9 @@ REGISTER_LITE_KERNEL(reshape,
     .BindInput("X",
                {LiteType::GetTensorTy(
                    TARGET(kHost), PRECISION(kAny), DATALAYOUT(kAny), -1)})
+    .BindInput("ShapeTensor",
+               {LiteType::GetTensorTy(
+                   TARGET(kHost), PRECISION(kAny), DATALAYOUT(kAny), -1)})
     .BindInput("Shape",
                {LiteType::GetTensorTy(
                    TARGET(kHost), PRECISION(kAny), DATALAYOUT(kAny), -1)})
@@ -86,6 +89,9 @@ REGISTER_LITE_KERNEL(reshape2,
     .BindInput("Shape",
                {LiteType::GetTensorTy(
                    TARGET(kHost), PRECISION(kAny), DATALAYOUT(kAny), -1)})
+    .BindInput("ShapeTensor",
+               {LiteType::GetTensorTy(
+                   TARGET(kHost), PRECISION(kAny), DATALAYOUT(kAny), -1)})
     .BindOutput("Out",
                 {LiteType::GetTensorTy(
                     TARGET(kHost), PRECISION(kAny), DATALAYOUT(kAny), -1)})

lite/operators/reshape_op.cc

@@ -14,6 +14,7 @@
 
 #include "lite/operators/reshape_op.h"
 #include "lite/core/op_registry.h"
+#include "lite/core/tensor.h"
 
 namespace paddle {
 namespace lite {
@@ -43,24 +44,52 @@ bool ReshapeOp::AttachImpl(const cpp::OpDesc &opdesc, lite::Scope *scope) {
   param_.x = const_cast<lite::Tensor *>(&(x_var->Get<lite::Tensor>()));
   param_.output = output_var->GetMutable<lite::Tensor>();
   std::vector<std::string> input_arg_names = opdesc.InputArgumentNames();
-  if (std::find(input_arg_names.begin(), input_arg_names.end(), "Shape") !=
-      input_arg_names.end()) {
-    if (opdesc.Input("Shape").size() > 0) {
-      auto actual_shape_var = scope->FindVar(opdesc.Input("Shape").front());
-      if (actual_shape_var != nullptr) {
-        param_.actual_shape = const_cast<lite::Tensor *>(
-            &(actual_shape_var->Get<lite::Tensor>()));
-      }
-    }
-  }
-  param_.shape = (opdesc.GetAttr<std::vector<int>>("shape"));
   if (opdesc.HasAttr("inplace")) {
     param_.inplace = opdesc.GetAttr<bool>("inplace");
   }
   CHECK(param_.x) << "Input(X) of ReshapeOp should not be null.";
   CHECK(param_.output) << "Output(Out) of ReshapeOp should not be null.";
-  CHECK(!param_.shape.empty())
-      << "The shape information must be set by Attr(shape).";
+
+  if (opdesc.HasInput("ShapeTensor") &&
+      opdesc.Input("ShapeTensor").size() > 0) {
+    auto inputs = opdesc.Input("ShapeTensor");
+    for (auto var : inputs) {
+      lite::Tensor *datatensor =
+          scope->FindVar(var)->GetMutable<lite::Tensor>();
+      param_.shape.push_back(datatensor->mutable_data<int>()[0]);
+    }
+    const std::vector<int> shape_vector = param_.shape;
+    lite::Tensor *shape_tensor = new lite::Tensor;
+    shape_tensor->Resize(DDim({shape_vector.size()}));
+    int *data_shape = shape_tensor->mutable_data<int>();
+    for (int i = 0; i < shape_vector.size(); i++) {
+      data_shape[i] = shape_vector[i];
+    }
+    param_.actual_shape = shape_tensor;
+    return true;
+  } else if (opdesc.HasInput("Shape") && opdesc.Input("Shape").size() > 0) {
+    auto actual_shape_var = scope->FindVar(opdesc.Input("Shape").front());
+    if (actual_shape_var != nullptr) {
+      param_.actual_shape =
+          const_cast<lite::Tensor *>(&(actual_shape_var->Get<lite::Tensor>()));
+      int length = param_.actual_shape->dims().production();
+      int *shape_list = actual_shape_var->GetMutable<int>();
+      param_.shape.assign(shape_list, shape_list + length);
+    }
+    return true;
+  } else {
+    param_.shape = opdesc.GetAttr<std::vector<int>>("shape");
+    CHECK(!param_.shape.empty())
+        << "The shape information must be set by Attr(shape).";
+    const std::vector<int> shape_vector = param_.shape;
+    lite::Tensor *shape_tensor = new lite::Tensor;
+    shape_tensor->Resize(DDim({shape_vector.size()}));
+    int *data_shape = shape_tensor->mutable_data<int>();
+    for (int i = 0; i < shape_vector.size(); i++) {
+      data_shape[i] = shape_vector[i];
+    }
+    param_.actual_shape = shape_tensor;
+  }
   return true;
 }