Remove unused using-declarations

backends/aoti/slim/factory/test/test_from_etensor.cpp

@@ -20,8 +20,6 @@
 
 namespace executorch::backends::aoti::slim {
 
-using executorch::runtime::Error;
-using executorch::runtime::TensorShapeDynamism;
 using executorch::runtime::etensor::ScalarType;
 using executorch::runtime::testing::TensorFactory;
 

backends/apple/coreml/runtime/delegate/executorch_operations.mm

@@ -13,7 +13,6 @@
 #import <memory>
 
 namespace executorch::core_ml_backend_delegate {
-  using executorch::runtime::get_backend_class;
 
 static std::unique_ptr<executorch::backends::coreml::CoreMLBackendDelegate> backendInterfaceLazy_;
 

backends/apple/coreml/runtime/test/CoreMLBackendDelegateTests.mm

@@ -18,7 +18,6 @@
 static constexpr size_t kRuntimeMemorySize = 50 * 1024U * 1024U; // 50 MB
 
 using namespace executorch::runtime;
-using executorch::runtime::testing::TensorFactory;
 
 namespace {
 // TODO: Move the following methods to a utility class, so that it can be shared with `executor_runner.main.mm`

backends/apple/coreml/runtime/test/coreml_backend_options_test.cpp

@@ -13,7 +13,6 @@
 #include <gtest/gtest.h>
 
 using executorch::backends::coreml::LoadOptionsBuilder;
-using executorch::runtime::BackendOption;
 using executorch::runtime::Error;
 using executorch::runtime::kMaxOptionValueLength;
 using executorch::runtime::LoadBackendOptionsMap;

backends/apple/metal/runtime/metal_backend.cpp

@@ -135,21 +135,17 @@ get_metal_backend_init_per_method_stats() {
 using namespace std;
 using namespace aoti;
 
-using executorch::aten::ScalarType;
 using executorch::runtime::ArrayRef;
-using executorch::runtime::Backend;
 using executorch::runtime::BackendExecutionContext;
 using executorch::runtime::BackendInitContext;
 using executorch::runtime::CompileSpec;
 using executorch::runtime::DelegateHandle;
 using executorch::runtime::Error;
 using executorch::runtime::EValue;
 using executorch::runtime::FreeableBuffer;
-using executorch::runtime::MemoryAllocator;
 using executorch::runtime::NamedDataMap;
 using executorch::runtime::Result;
 using executorch::runtime::Span;
-using executorch::runtime::etensor::Tensor;
 
 class ET_EXPERIMENTAL MetalBackend final
     : public ::executorch::runtime::BackendInterface {

backends/cadence/fusion_g3/operators/op_dequantize.cpp

@@ -20,7 +20,6 @@
 
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
-using ::executorch::runtime::Error;
 using ::executorch::runtime::KernelRuntimeContext;
 
 template <typename T>

backends/cadence/fusion_g3/operators/op_permute_copy.cpp

@@ -18,7 +18,6 @@
 using ::executorch::aten::ArrayRef;
 using ::executorch::aten::IntArrayRef;
 using ::executorch::aten::ScalarType;
-using ::executorch::aten::SizesType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::Error;
 using ::executorch::runtime::KernelRuntimeContext;

backends/cadence/fusion_g3/operators/op_transpose_copy.cpp

@@ -16,7 +16,6 @@
 #include <executorch/runtime/kernel/kernel_includes.h>
 
 using ::executorch::aten::ScalarType;
-using ::executorch::aten::SizesType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::Error;
 using ::executorch::runtime::KernelRuntimeContext;

backends/cadence/fusion_g3/operators/tests/test_op_add.cpp

@@ -28,9 +28,6 @@ using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::aten::TensorImpl;
-using ::executorch::runtime::Error;
-using ::executorch::runtime::KernelRuntimeContext;
-using ::executorch::runtime::runtime_init;
 using ::executorch::runtime::testing::TensorFactory;
 
 class FusionG3OperatorTest : public OperatorTest {

backends/cadence/generic/operators/op_conv1d.cpp

@@ -15,7 +15,6 @@ namespace generic {
 namespace native {
 
 using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 

backends/cadence/generic/operators/op_conv2d.cpp

@@ -15,7 +15,6 @@ namespace generic {
 namespace native {
 
 using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 

backends/cadence/generic/operators/op_conv3d.cpp

@@ -15,7 +15,6 @@ namespace generic {
 namespace native {
 
 using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 

backends/cadence/generic/operators/op_idma_copy.cpp

@@ -19,7 +19,6 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 

backends/cadence/generic/operators/op_idma_wait.cpp

@@ -18,7 +18,6 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 

backends/cadence/generic/operators/op_linalg_svd.cpp

@@ -28,7 +28,6 @@ namespace {
 
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
-using ::executorch::runtime::Error;
 using ::executorch::runtime::KernelRuntimeContext;
 
 // A simple 3x3 matrix struct.

backends/cadence/generic/operators/op_quantized_conv1d.cpp

@@ -20,7 +20,6 @@ namespace {
 using ::executorch::aten::IntArrayRef;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
-using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::quantize;
 
 // This implements a generic 1d conv kernel that operates on raw pointers.

backends/cadence/generic/operators/op_quantized_conv2d.cpp

@@ -20,7 +20,6 @@ using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::quantize;
-using std::optional;
 
 /* This implements a generic 2d conv kernel that operates on raw pointers.
  * The quantized version handles quantized convolutions for 2D inputs.

backends/cadence/generic/operators/op_quantized_embedding_byte.cpp

@@ -18,8 +18,6 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;

backends/cadence/generic/operators/op_quantized_layer_norm.cpp

@@ -24,14 +24,11 @@ namespace generic {
 namespace native {
 
 using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
-using ::executorch::runtime::getLeadingDims;
 using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::dequantize;
 using ::impl::generic::kernels::quantize;
-using std::optional;
 
 // Compute quantized layer_norm. The current implementation assumes that the
 // input is per-tensor quantized.

backends/cadence/generic/operators/op_quantized_matmul.cpp

@@ -20,8 +20,6 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;

backends/cadence/generic/operators/op_quantized_mul.cpp

@@ -20,14 +20,12 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::IntArrayRef;
 using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::dequantize;
 using ::impl::generic::kernels::quantize;
-using std::optional;
 
 DECLARE_POINTWISE_TENSOR_QUANTIZED_BINARY_OP(quantized_mul_, *);
 

backends/cadence/generic/operators/op_quantized_relu.cpp

@@ -20,13 +20,10 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::quantize;
-using std::optional;
 
 template <typename T>
 void quantized_relu_per_tensor_out_(

backends/cadence/generic/operators/op_quantized_softmax.cpp

@@ -24,7 +24,6 @@ namespace generic {
 namespace native {
 namespace {
 
-using ::executorch::aten::IntArrayRef;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;

backends/cadence/generic/operators/op_requantize.cpp

@@ -18,14 +18,11 @@ namespace impl {
 namespace generic {
 namespace native {
 
-using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::dequantize;
 using ::impl::generic::kernels::quantize;
-using std::optional;
 
 // Requantize the int8_t/uint8_t input tensor to a uint8_t/int8_t out tensor.
 // The scale and zero_point for requantization are in the args.

backends/cadence/generic/operators/op_transposed_convolution.cpp

@@ -16,12 +16,10 @@ namespace generic {
 namespace native {
 
 using ::executorch::aten::IntArrayRef;
-using ::executorch::aten::Scalar;
 using ::executorch::aten::ScalarType;
 using ::executorch::aten::Tensor;
 using ::executorch::runtime::KernelRuntimeContext;
 using ::impl::generic::kernels::quantize;
-using std::optional;
 
 // This implements a generic 2d transposed_conv kernel that operates on raw
 // pointers. The version handles both quantized and fp32 convolutions.

backends/cadence/hifi/operators/op_add.cpp

@@ -22,7 +22,6 @@ using executorch::aten::Scalar;
 using executorch::aten::ScalarType;
 using executorch::aten::Tensor;
 using executorch::runtime::can_cast;
-using executorch::runtime::CppTypeToScalarType;
 using executorch::runtime::KernelRuntimeContext;
 using torch::executor::Error;
 

backends/cadence/hifi/operators/op_bitwise_and.cpp

@@ -19,9 +19,7 @@
 using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
-using executorch::runtime::can_cast;
 using executorch::runtime::canCast;
-using executorch::runtime::CppTypeToScalarType;
 using executorch::runtime::KernelRuntimeContext;
 using executorch::runtime::promoteTypes;
 using executorch::runtime::tensors_have_same_dim_order;

backends/cadence/hifi/operators/op_bitwise_or.cpp

@@ -19,9 +19,7 @@
 using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
-using executorch::runtime::can_cast;
 using executorch::runtime::canCast;
-using executorch::runtime::CppTypeToScalarType;
 using executorch::runtime::KernelRuntimeContext;
 using executorch::runtime::promoteTypes;
 using executorch::runtime::tensors_have_same_dim_order;

backends/cadence/hifi/operators/op_bitwise_xor.cpp

@@ -19,9 +19,7 @@
 using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
-using executorch::runtime::can_cast;
 using executorch::runtime::canCast;
-using executorch::runtime::CppTypeToScalarType;
 using executorch::runtime::KernelRuntimeContext;
 using executorch::runtime::promoteTypes;
 using executorch::runtime::tensors_have_same_dim_order;

backends/cadence/hifi/operators/op_cat.cpp

@@ -18,7 +18,6 @@ using executorch::aten::Tensor;
 using executorch::runtime::getLeadingDims;
 using executorch::runtime::getTrailingDims;
 using executorch::runtime::resize_tensor;
-using executorch::runtime::tensors_have_same_dim_order;
 using torch::executor::check_cat_args;
 using torch::executor::Error;
 using torch::executor::get_cat_out_target_size;

backends/cadence/hifi/operators/op_clamp.cpp

@@ -23,26 +23,17 @@
 #include <executorch/backends/cadence/common/xt_macros.h>
 
 using executorch::aten::RuntimeContext;
-using executorch::aten::Scalar;
 using executorch::aten::ScalarType;
 using executorch::aten::Tensor;
 using executorch::runtime::canCast;
-using executorch::runtime::isFloatingType;
-using executorch::runtime::isIntegralType;
 using executorch::runtime::promoteTypes;
 using executorch::runtime::tensors_have_same_dim_order;
-using torch::executor::apply_ternary_elementwise_fn;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 using torch::executor::native::utils::apply_tritensor_elementwise_fn;
-using torch::executor::native::utils::apply_unitensor_elementwise_fn;
-using torch::executor::native::utils::extract_scalar;
 using torch::executor::native::utils::get_compute_type;
-using torch::executor::native::utils::get_scalar_dtype;
 using torch::executor::native::utils::max_override;
 using torch::executor::native::utils::min_override;
-using torch::executor::native::utils::promote_type_with_scalar;
-using torch::executor::native::utils::scalar_to;
 using torch::executor::native::utils::SupportedTensorDtypes;
 
 namespace impl {

backends/cadence/hifi/operators/op_div.cpp

@@ -19,7 +19,6 @@
 #include <cmath>
 
 using executorch::aten::RuntimeContext;
-using executorch::aten::Scalar;
 using executorch::aten::ScalarType;
 using executorch::aten::Tensor;
 using torch::executor::Error;

backends/cadence/hifi/operators/op_eq.cpp

@@ -19,8 +19,6 @@ using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
 using executorch::aten::RuntimeContext;
-using executorch::runtime::CppTypeToScalarType;
-using executorch::runtime::promoteTypes;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 

backends/cadence/hifi/operators/op_fmod.cpp

@@ -21,12 +21,10 @@ using exec_aten::Tensor;
 using executorch::aten::RuntimeContext;
 using executorch::runtime::can_cast;
 using executorch::runtime::canCast;
-using executorch::runtime::CppTypeToScalarType;
 using executorch::runtime::is_integral_type;
 using executorch::runtime::isIntegralType;
 using executorch::runtime::promoteTypes;
 using torch::executor::apply_binary_elementwise_fn;
-using torch::executor::apply_unary_map_fn;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 using torch::executor::native::utils::extract_scalar;

backends/cadence/hifi/operators/op_ge.cpp

@@ -19,8 +19,6 @@ using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
 using executorch::aten::RuntimeContext;
-using executorch::runtime::CppTypeToScalarType;
-using executorch::runtime::promoteTypes;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 

backends/cadence/hifi/operators/op_gt.cpp

@@ -19,8 +19,6 @@ using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
 using executorch::aten::RuntimeContext;
-using executorch::runtime::CppTypeToScalarType;
-using executorch::runtime::promoteTypes;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 

backends/cadence/hifi/operators/op_le.cpp

@@ -18,8 +18,6 @@ using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
 using executorch::aten::RuntimeContext;
-using executorch::runtime::CppTypeToScalarType;
-using executorch::runtime::promoteTypes;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 

backends/cadence/hifi/operators/op_lt.cpp

@@ -19,8 +19,6 @@ using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
 using executorch::aten::RuntimeContext;
-using executorch::runtime::CppTypeToScalarType;
-using executorch::runtime::promoteTypes;
 using torch::executor::Error;
 using torch::executor::resize_to_broadcast_target_size;
 

backends/cadence/hifi/operators/op_masked_fill.cpp

@@ -14,7 +14,6 @@
 using exec_aten::Scalar;
 using exec_aten::ScalarType;
 using exec_aten::Tensor;
-using executorch::runtime::is_integral_type;
 using executorch::runtime::tensors_have_same_dim_order;
 using torch::executor::apply_binary_elementwise_fn;
 using torch::executor::check_masked_fill_args;