Roman Lebedev d064182612 [SimplifyCFG] Tail-merging all blocks with resume terminator ...

Similar to what we already do for `ret` terminators.
As noted by @rnk, clang seems to already generate a single `ret`/`resume`,
so this isn't likely to cause widespread changes.

Reviewed By: rnk

Differential Revision: https://reviews.llvm.org/D104849

2021-06-24 21:25:06 +03:00

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