test/tint/builtins/workgroupUniformLoad/for_loop.wgsl.expected.msl

#include <metal_stdlib>
using namespace metal;

struct tint_module_vars_struct {
  threadgroup int* a;
  threadgroup int* b;
};

struct tint_symbol_2 {
  int tint_symbol;
  int tint_symbol_1;
};

void foo_inner(uint tint_local_index, tint_module_vars_struct tint_module_vars) {
  if ((tint_local_index < 1u)) {
    (*tint_module_vars.a) = 0;
    (*tint_module_vars.b) = 0;
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  {
    uint2 tint_loop_idx = uint2(4294967295u);
    int i = 0;
    while(true) {
      if (all((tint_loop_idx == uint2(0u)))) {
        break;
      }
      int const v = i;
      threadgroup_barrier(mem_flags::mem_threadgroup);
      int const v_1 = (*tint_module_vars.a);
      threadgroup_barrier(mem_flags::mem_threadgroup);
      if ((v < v_1)) {
      } else {
        break;
      }
      {
        uint const tint_low_inc = (tint_loop_idx.x - 1u);
        tint_loop_idx.x = tint_low_inc;
        uint const tint_carry = uint((tint_low_inc == 4294967295u));
        tint_loop_idx.y = (tint_loop_idx.y - tint_carry);
        threadgroup_barrier(mem_flags::mem_threadgroup);
        int const v_2 = (*tint_module_vars.b);
        threadgroup_barrier(mem_flags::mem_threadgroup);
        i = as_type<int>((as_type<uint>(i) + as_type<uint>(v_2)));
      }
      continue;
    }
  }
}

[[max_total_threads_per_threadgroup(1)]]
kernel void foo(uint tint_local_index [[thread_index_in_threadgroup]], threadgroup tint_symbol_2* v_3 [[threadgroup(0)]]) {
  tint_module_vars_struct const tint_module_vars = tint_module_vars_struct{.a=(&(*v_3).tint_symbol), .b=(&(*v_3).tint_symbol_1)};
  foo_inner(tint_local_index, tint_module_vars);
}