Fix inferMefer in transpose2_grad (#50388)

* Fix inferMefer in transpose2_grad

* fix infershape

* fix unittest

paddle/fluid/operators/transpose_op.cc

@@ -16,6 +16,10 @@ limitations under the License. */
 #include <string>
 #include <vector>
 
+#include "paddle/fluid/framework/infershape_utils.h"
+#include "paddle/phi/core/infermeta_utils.h"
+#include "paddle/phi/infermeta/unary.h"
+
 #ifdef PADDLE_WITH_MKLDNN
 #include "paddle/fluid/platform/mkldnn_helper.h"
 #endif
@@ -179,19 +183,6 @@ class TransposeOpGrad : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
 
-  void InferShape(framework::InferShapeContext *ctx) const override {
-    OP_INOUT_CHECK(ctx->HasInput("X"), "Input", "X", "TransposeOpGrad");
-    OP_INOUT_CHECK(ctx->HasInput(framework::GradVarName("Out")),
-                   "Input",
-                   framework::GradVarName("Out"),
-                   "TransposeOpGrad");
-    auto x_dims = ctx->GetInputDim("X");
-    ctx->SetOutputDim(framework::GradVarName("X"), x_dims);
-    if (ctx->HasOutput(framework::GradVarName("X"))) {
-      ctx->SetOutputDim(framework::GradVarName("X"), x_dims);
-    }
-  }
-
  protected:
   phi::KernelKey GetExpectedKernelType(
       const framework::ExecutionContext &ctx) const override {
@@ -320,21 +311,6 @@ class Transpose2OpGrad : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
 
-  void InferShape(framework::InferShapeContext *ctx) const override {
-    OP_INOUT_CHECK(
-        ctx->HasInput("XShape"), "Input", "XShape", "Transpose2OpGrad");
-    OP_INOUT_CHECK(ctx->HasInput(framework::GradVarName("Out")),
-                   "Input",
-                   framework::GradVarName("Out"),
-                   "Transpose2OpGrad");
-    if (ctx->HasOutput(framework::GradVarName("X"))) {
-      auto xshape_dim = ctx->GetInputDim("XShape");
-      auto x_shape_dim = phi::slice_ddim(xshape_dim, 1, xshape_dim.size());
-      ctx->SetOutputDim(framework::GradVarName("X"), x_shape_dim);
-      ctx->ShareLoD("XShape", framework::GradVarName("X"));
-    }
-  }
-
  protected:
   phi::KernelKey GetExpectedKernelType(
       const framework::ExecutionContext &ctx) const override {
@@ -359,6 +335,13 @@ class TransposeGradInferVarType : public framework::VarTypeInference {
 }  // namespace operators
 }  // namespace paddle
 
+DECLARE_INFER_SHAPE_FUNCTOR(transpose_grad,
+                            TransposeGradInferShapeFunctor,
+                            PD_INFER_META(phi::TransposeGradInferMeta));
+
+DECLARE_INFER_SHAPE_FUNCTOR(transpose2_grad,
+                            Transpose2GradInferShapeFunctor,
+                            PD_INFER_META(phi::TransposeGradInferMeta));
 namespace ops = paddle::operators;
 REGISTER_OPERATOR(
     transpose,
@@ -368,7 +351,8 @@ REGISTER_OPERATOR(
     paddle::framework::DefaultGradOpMaker<paddle::imperative::OpBase, true>);
 REGISTER_OPERATOR(transpose_grad,
                   ops::TransposeOpGrad,
-                  ops::TransposeGradInferVarType);
+                  ops::TransposeGradInferVarType,
+                  TransposeGradInferShapeFunctor);
 
 REGISTER_OPERATOR(transpose2,
                   ops::Transpose2Op,
@@ -379,4 +363,5 @@ REGISTER_OPERATOR(transpose2_grad,
                   ops::Transpose2OpGrad,
                   ops::TransposeGradInferVarType,
                   ops::Transpose2DoubleGradMaker<paddle::framework::OpDesc>,
-                  ops::Transpose2DoubleGradMaker<paddle::imperative::OpBase>);
+                  ops::Transpose2DoubleGradMaker<paddle::imperative::OpBase>,
+                  Transpose2GradInferShapeFunctor);