| SKIP: FAILED | |
| RWByteAddressBuffer prevent_dce : register(u0); | |
| float subgroupShuffleUp_23c7ca() { | |
| float res = WaveReadLaneAt(1.0f, (WaveGetLaneIndex() - 1u)); | |
| return res; | |
| } | |
| void fragment_main() { | |
| prevent_dce.Store(0u, asuint(subgroupShuffleUp_23c7ca())); | |
| } | |
| [numthreads(1, 1, 1)] | |
| void compute_main() { | |
| prevent_dce.Store(0u, asuint(subgroupShuffleUp_23c7ca())); | |
| } | |
| FXC validation failure: | |
| C:\src\dawn\Shader@0x000001777646F7A0(4,37-54): error X3004: undeclared identifier 'WaveGetLaneIndex' | |