| Issue |
154260
|
| Summary |
AMDGPURewriteAGPRCopyMFMA should try to fold away AV spills after rewrites
|
| Labels |
backend:AMDGPU,
missed-optimization
|
| Assignees |
|
| Reporter |
arsenm
|
After VGPR MFMAs have been replaced with AGPRs, this will have alleviated a lot of VGPR pressure. At this point we have already allocated and spilled registers, but we still have virtual registers. We can identify these spills, and try to find an assignable VGPR and eliminate the spill
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