test/tint/builtins/bufferArrayView/unsized_function_parameter.wgsl.expected.msl

#include <metal_stdlib>
using namespace metal;

template<typename T, size_t N>
struct tint_array {
  const constant T& operator[](size_t i) const constant { return elements[i]; }
  device T& operator[](size_t i) device { return elements[i]; }
  const device T& operator[](size_t i) const device { return elements[i]; }
  thread T& operator[](size_t i) thread { return elements[i]; }
  const thread T& operator[](size_t i) const thread { return elements[i]; }
  threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
  const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
  T elements[N];
};

struct tint_module_vars_struct {
  device tint_array<uchar, 1>* v;
  const constant tint_array<uint4, 1>* tint_storage_buffer_sizes;
};

struct tint_array_lengths_struct {
  uint tint_array_length_0_0;
};

void foo(device tint_array<uchar, 1>* const p, uint tint_array_length) {
  device tint_array<float2, 1>* const p2 = reinterpret_cast<device tint_array<float2, 1>*>(reinterpret_cast<device char*>(p) + select(0u, 0u, (tint_array_length < 32u)));
  (*p2)[min(uint(0), ((select(32u, 8u, (tint_array_length < 32u)) / 8u) - 1u))].y = 3.0f;
}

[[max_total_threads_per_threadgroup(1)]]
kernel void v_1(device tint_array<uchar, 1>* v [[buffer(0)]], const constant tint_array<uint4, 1>* tint_storage_buffer_sizes [[buffer(30)]]) {
  tint_module_vars_struct const tint_module_vars = tint_module_vars_struct{.v=v, .tint_storage_buffer_sizes=tint_storage_buffer_sizes};
  (foo(tint_module_vars.v, tint_array_lengths_struct{.tint_array_length_0_0=(*tint_module_vars.tint_storage_buffer_sizes)[0u].x}.tint_array_length_0_0));
}