| Issue |
108038
|
| Summary |
[AMDGPU] SelectionDAG divergence tracking should heed AMDGPUSubtarget::isSingleLaneExecution
|
| Labels |
backend:AMDGPU,
missed-optimization
|
| Assignees |
|
| Reporter |
jayfoad
|
If a kernel is known to be executing only a single lane, IR UniformityAnalysis will take note of that (via GCNTTIImpl::hasBranchDivergence) and report that all values are uniform. SelectionDAG's built-in divergence tracking should do the same.
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