| SKIP: INVALID | |
| RWByteAddressBuffer prevent_dce : register(u0); | |
| uint4 subgroupBroadcastFirst_612d6f() { | |
| uint4 res = WaveReadLaneFirst((1u).xxxx); | |
| return res; | |
| } | |
| void fragment_main() { | |
| prevent_dce.Store4(0u, subgroupBroadcastFirst_612d6f()); | |
| } | |
| [numthreads(1, 1, 1)] | |
| void compute_main() { | |
| prevent_dce.Store4(0u, subgroupBroadcastFirst_612d6f()); | |
| } | |
| FXC validation failure: | |
| <scrubbed_path>(4,15-42): error X3004: undeclared identifier 'WaveReadLaneFirst' | |