text: // Copyright 2021 The IREE Authors
  //
  // Licensed under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  
  // A example of setting up the vmvx-sync driver.
  
  #include <stddef.h>
  
  #include "iree/base/api.h"
  #include "iree/hal/api.h"
  #include "iree/hal/local/executable_loader.h"
  #include "iree/hal/local/loaders/vmvx_module_loader.h"
  #include "iree/hal/local/sync_device.h"
  
  // Compiled module embedded here to avoid file IO:
  #include "iree/samples/simple_embedding/simple_embedding_test_bytecode_module_vmvx_c.h"
  
  iree_status_t create_sample_device(iree_allocator_t host_allocator,
                                     iree_hal_device_t** out_device) {
    // Set parameters for the device created in the next step.
    iree_hal_sync_device_params_t params;
    iree_hal_sync_device_params_initialize(&params);
  
    iree_vm_instance_t* instance = NULL;
    IREE_RETURN_IF_ERROR(iree_vm_instance_create(host_allocator, &instance));
  
    iree_hal_executable_loader_t* loader = NULL;
    iree_status_t status =
        iree_hal_vmvx_module_loader_create(instance, host_allocator, &loader);
    iree_vm_instance_release(instance);
  
    // Use the default host allocator for buffer allocations.
    iree_string_view_t identifier = iree_make_cstring_view("vmvx");
    iree_hal_allocator_t* device_allocator = NULL;
    if (iree_status_is_ok(status)) {
      status = iree_hal_allocator_create_heap(identifier, host_allocator,
                                              host_allocator, &device_allocator);
    }
  
    if (iree_status_is_ok(status)) {
      // Create the synchronous device.
      status = iree_hal_sync_device_create(
          identifier, &params, /*loader_count=*/1, &loader, device_allocator,
          host_allocator, out_device);
    }
  
    iree_hal_allocator_release(device_allocator);
    iree_hal_executable_loader_release(loader);
    return status;
  }
  
  const iree_const_byte_span_t load_bytecode_module_data() {
    const struct iree_file_toc_t* module_file_toc =
        iree_samples_simple_embedding_test_module_vmvx_create();
    return iree_make_const_byte_span(module_file_toc->data,
                                     module_file_toc->size);
  }
  