Michael Maitland 9106b58ce4 [CodeGen][MISched] Add misched post-regalloc bottom-up scheduling ...

There is the possibility that the bottom-up direction will lead to
performance improvements on certain targets, as this is certainly the case for
the pre-regalloc GenericScheduler. This patch will give people the
opportunity to experiment for their sub-targets. However, this patch
keeps the top-down approach as the default for the PostGenericScheduler
since that is what subtargets expect today.

2024-02-27 09:56:28 -08:00

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