test/tint/bug/fxc/dyn_array_idx/write/workgroup.wgsl.expected.ir.msl

#include <metal_stdlib>
using namespace metal;

struct UBO {
  /* 0x0000 */ int dynamic_idx;
};

struct Result {
  /* 0x0000 */ int out;
};

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 S {
  tint_array<int, 64> data;
};

struct tint_module_vars_struct {
  const constant UBO* ubo;
  device Result* result;
  threadgroup S* s;
};

#define TINT_ISOLATE_UB(VOLATILE_NAME) \
  volatile bool VOLATILE_NAME = true; \
  if (VOLATILE_NAME)

struct tint_symbol_1 {
  S tint_symbol;
};

void f_inner(uint tint_local_index, tint_module_vars_struct tint_module_vars) {
  {
    uint v = 0u;
    v = tint_local_index;
    TINT_ISOLATE_UB(tint_volatile_true) while(true) {
      uint const v_1 = v;
      if ((v_1 >= 64u)) {
        break;
      }
      (*tint_module_vars.s).data[v_1] = 0;
      {
        v = (v_1 + 1u);
      }
      continue;
    }
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  (*tint_module_vars.s).data[(*tint_module_vars.ubo).dynamic_idx] = 1;
  (*tint_module_vars.result).out = (*tint_module_vars.s).data[3];
}

kernel void f(uint tint_local_index [[thread_index_in_threadgroup]], const constant UBO* ubo [[buffer(0)]], device Result* result [[buffer(1)]], threadgroup tint_symbol_1* v_2 [[threadgroup(0)]]) {
  tint_module_vars_struct const tint_module_vars = tint_module_vars_struct{.ubo=ubo, .result=result, .s=(&(*v_2).tint_symbol)};
  f_inner(tint_local_index, tint_module_vars);
}