| SKIP: INVALID | |
| RWByteAddressBuffer prevent_dce : register(u0); | |
| float4 subgroupShuffleUp_33d495() { | |
| float4 res = WaveReadLaneAt((1.0f).xxxx, (WaveGetLaneIndex() - 1u)); | |
| return res; | |
| } | |
| void fragment_main() { | |
| prevent_dce.Store4(0u, asuint(subgroupShuffleUp_33d495())); | |
| } | |
| [numthreads(1, 1, 1)] | |
| void compute_main() { | |
| prevent_dce.Store4(0u, asuint(subgroupShuffleUp_33d495())); | |
| } | |
| FXC validation failure: | |
| <scrubbed_path>(4,45-62): error X3004: undeclared identifier 'WaveGetLaneIndex' | |