Carl Ritson 3a18665748 [AMDGPU] Translate s_and/s_andn2 to s_mov in vcc optimisation ...

When SCC is dead, but VCC is required then replace s_and / s_andn2
with s_mov into VCC when mask value is 0 or -1.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D83850

2020-07-17 11:48:57 +09:00

12 KiB

Raw Blame History

View Raw