Carl Ritson 547e3cba7d [AMDGPU] Improve liveness copying in si-optimize-exec-masking-pre-ra ...

Further improve liveness copying for CC register post optimization
by mirroring live internal splits.
The fixes a bug in register allocation when CC register liveness
is extended across a branches instead of split.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D129557

2022-07-17 17:34:05 +09:00

17 KiB

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