Kai Luo 8e901c255d [PowerPC] Retire PPCExpandISel pass (#84289) ...

We can decide whether to expand isel or not in instruction selection
pass and early-if-conversion pass. The transformation implemented in
PPCExpandISel can be retired considering PPC backend doesn't generate
`isel` instructions post-RA.
Also if we are seeking performant branch-or-isel decision, we can turn
to selectoptimize pass.

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Co-authored-by: Kai Luo <lkail@cn.ibm.com>

2024-08-27 09:43:52 +08:00

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