[OnnxToTorch][GridSample] Add lit test for border padding mode

Author: Ax9D

test/Conversion/TorchOnnxToTorch/simple_ops_g_to_p.mlir

@@ -965,6 +965,18 @@ func.func @test_grid_sampler02(%arg0: !torch.vtensor<[5,10,10,4],f32>, %arg1: !t
 
 // -----
 
+// CHECK-LABEL: @test_grid_sampler03
+// CHECK: %[[INT0:.*]] = torch.constant.int 0
+// CHECK: %[[INT1:.*]] = torch.constant.int 1
+// CHECK: %[[B0:.*]] = torch.constant.bool true
+// CHECK: %[[A0:.*]] = torch.aten.grid_sampler %arg0, %arg1, %[[INT0]], %[[INT1]], %[[B0]] : !torch.vtensor<[5,10,10,4],f32>
+func.func @test_grid_sampler03(%arg0: !torch.vtensor<[5,10,10,4],f32>, %arg1: !torch.vtensor<[5,7,8,2],f32>) -> !torch.vtensor<[?,?,?,?],f32> attributes {torch.onnx_meta.ir_version = 9 : si64, torch.onnx_meta.opset_version = 17 : si64, torch.onnx_meta.producer_name = "backend-test", torch.onnx_meta.producer_version = ""} {
+  %0 = torch.operator "onnx.GridSample" (%arg0, %arg1) {torch.onnx.align_corners = 1 : si64, torch.onnx.padding_mode = "border"} : (!torch.vtensor<[5,10,10,4],f32>, !torch.vtensor<[5,7,8,2],f32>) -> !torch.vtensor<[?,?,?,?],f32>
+  return %0 : !torch.vtensor<[?,?,?,?],f32>
+}
+
+// -----
+
 // CHECK-LABEL: func.func @test_oldest_pad
 func.func @test_oldest_pad(%arg0: !torch.vtensor<[3,4],f32>) -> !torch.vtensor<[5,4],f32> attributes {torch.onnx_meta.opset_version = 1 : si64} {
   // CHECK: %[[int0:.*]] = torch.constant.int 0