[PATCH] D22696: [CodeGenPrep] Skip merging empty case blocks

[Jun Bum Lim via llvm-commits]

junbuml added a reviewer: wmi.
junbuml marked 3 inline comments as done.
junbuml added a comment.

Hi Manman / Wei,

This change made a change in ragreedy-hoist-spill.ll which was modified in 8dbd561a and 815b02e9.  Can you please review if the change in ragreedy-hoist-spill.ll  is still make sense? 
Thanks,
Jun


https://reviews.llvm.org/D22696