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Arm backend: Handle all types in prepare_input_tensors() #16092

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Merged
zingo merged 1 commit into from
Dec 6, 2025
+26 −25
Merged

Arm backend: Handle all types in prepare_input_tensors() #16092

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51 changes: 26 additions & 25 deletions examples/arm/executor_runner/arm_executor_runner.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@
#include <errno.h>
#include <executorch/extension/data_loader/buffer_data_loader.h>
#include <executorch/extension/runner_util/inputs.h>
#include <executorch/runtime/core/exec_aten/util/scalar_type_util.h>
#include <executorch/runtime/core/memory_allocator.h>
#include <executorch/runtime/executor/program.h>
#include <executorch/runtime/platform/log.h>
Expand All @@ -95,6 +96,7 @@
#include <stdio.h>
#include <unistd.h>
#include <memory>
#include <type_traits>
#include <vector>

#include "arm_memory_allocator.h"
Expand Down Expand Up @@ -183,6 +185,7 @@ using executorch::runtime::Result;
using executorch::runtime::Span;
using executorch::runtime::Tag;
using executorch::runtime::TensorInfo;
using executorch::runtime::toString;
#if defined(ET_BUNDLE_IO)
using executorch::bundled_program::compute_method_output_error_stats;
using executorch::bundled_program::ErrorStats;
Expand Down Expand Up @@ -395,6 +398,19 @@ class Box {
}
};

template <typename ValueType>
void fill_tensor_with_default_value(Tensor& tensor) {
ValueType fill_value{};
if constexpr (std::is_same_v<ValueType, bool>) {
fill_value = true;
} else {
fill_value = ValueType(1);
}

ValueType* data_ptr = tensor.mutable_data_ptr<ValueType>();
std::fill(data_ptr, data_ptr + tensor.numel(), fill_value);
}

Error prepare_input_tensors(
Method& method,
MemoryAllocator& allocator,
Expand Down Expand Up @@ -452,32 +468,17 @@ Error prepare_input_tensors(
if (input_evalues[i].isTensor()) {
Tensor& tensor = input_evalues[i].toTensor();
switch (tensor.scalar_type()) {
case ScalarType::Int:
std::fill(
tensor.mutable_data_ptr<int>(),
tensor.mutable_data_ptr<int>() + tensor.numel(),
1);
break;
case ScalarType::Float:
std::fill(
tensor.mutable_data_ptr<float>(),
tensor.mutable_data_ptr<float>() + tensor.numel(),
1.0);
break;
case ScalarType::Char:
std::fill(
tensor.mutable_data_ptr<int8_t>(),
tensor.mutable_data_ptr<int8_t>() + tensor.numel(),
1);
break;
case ScalarType::Bool:
std::fill(
tensor.mutable_data_ptr<int8_t>(),
tensor.mutable_data_ptr<int8_t>() + tensor.numel(),
1);
break;
#define HANDLE_SCALAR_TYPE(cpp_type, scalar_name) \
case ScalarType::scalar_name: \
fill_tensor_with_default_value<cpp_type>(tensor); \
break;
ET_FORALL_SCALAR_TYPES(HANDLE_SCALAR_TYPE)
#undef HANDLE_SCALAR_TYPE
default:
ET_LOG(Error, "Unhandled ScalarType");
ET_LOG(
Error,
"Unhandled ScalarType %s",
toString(tensor.scalar_type()));
err = Error::InvalidArgument;
break;
}
Expand Down
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