#include <metal_stdlib>
using namespace metal;

void deref_const() {
  int3 a = 0;
  thread int3* const p = (&a);
  int b = (*p).x;
  (*p).x = 42;
}

void no_deref_const() {
  int3 a = 0;
  thread int3* const p = (&a);
  int b = (*p).x;
  (*p).x = 42;
}

void deref_let() {
  int3 a = 0;
  thread int3* const p = (&a);
  int const i = 0;
  int b = (*p)[i];
  (*p).x = 42;
}

void no_deref_let() {
  int3 a = 0;
  thread int3* const p = (&a);
  int const i = 0;
  int b = (*p)[i];
  (*p).x = 42;
}

void deref_var() {
  int3 a = 0;
  thread int3* const p = (&a);
  int i = 0;
  int b = (*p)[min(uint(i), 2u)];
  (*p).x = 42;
}

void no_deref_var() {
  int3 a = 0;
  thread int3* const p = (&a);
  int const i = 0;
  int b = (*p)[i];
  (*p).x = 42;
}

[[max_total_threads_per_threadgroup(1)]]
kernel void v() {
  (deref_const());
  (no_deref_const());
  (deref_let());
  (no_deref_let());
  (deref_var());
  (no_deref_var());
}
