SKIP: INVALID

RWByteAddressBuffer prevent_dce : register(u0);

int2 subgroupShuffleXor_071aa0() {
  int2 res = WaveReadLaneAt((1).xx, (WaveGetLaneIndex() ^ 1u));
  return res;
}

void fragment_main() {
  prevent_dce.Store2(0u, asuint(subgroupShuffleXor_071aa0()));
  return;
}

[numthreads(1, 1, 1)]
void compute_main() {
  prevent_dce.Store2(0u, asuint(subgroupShuffleXor_071aa0()));
  return;
}
FXC validation failure:
<scrubbed_path>(4,38-55): error X3004: undeclared identifier 'WaveGetLaneIndex'