test/tint/buffer/uniform/std140/array/mat3x4_f32/to_workgroup.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 {
  const constant tint_array<float3x4, 4>* u;
  threadgroup tint_array<float3x4, 4>* w;
};

struct tint_symbol_1 {
  tint_array<float3x4, 4> tint_symbol;
};

void f_inner(uint tint_local_index, tint_module_vars_struct tint_module_vars) {
  {
    uint v = 0u;
    v = tint_local_index;
    while(true) {
      uint const v_1 = v;
      if ((v_1 >= 4u)) {
        break;
      }
      (*tint_module_vars.w)[v_1] = float3x4(float4(0.0f), float4(0.0f), float4(0.0f));
      {
        v = (v_1 + 1u);
      }
      continue;
    }
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  (*tint_module_vars.w) = (*tint_module_vars.u);
  (*tint_module_vars.w)[1u] = (*tint_module_vars.u)[2u];
  (*tint_module_vars.w)[1u][0u] = (*tint_module_vars.u)[0u][1u].ywxz;
  (*tint_module_vars.w)[1u][0u].x = (*tint_module_vars.u)[0u][1u].x;
}

kernel void f(uint tint_local_index [[thread_index_in_threadgroup]], const constant tint_array<float3x4, 4>* u [[buffer(0)]], threadgroup tint_symbol_1* v_2 [[threadgroup(0)]]) {
  tint_module_vars_struct const tint_module_vars = tint_module_vars_struct{.u=u, .w=(&(*v_2).tint_symbol)};
  f_inner(tint_local_index, tint_module_vars);
}