[PATCH] Devirtualize MCFragment
peter_cooper at apple.com
Tue Jun 16 17:32:24 PDT 2015
This patch packs and devirtualizes MCFragment so that the layout is better organised in memory.
I measured it on the verify use list order test going through llc and it saved about 2MB of memory out of 800MB. Not a huge amount, but in an LTO build I still expect it to be useful.
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