[PATCH] D60673: [SimplifyCFG] Improove and speed up ReduceSwitchRange

[Shawn Landden via Phabricator via llvm-commits]

shawnl updated this revision to Diff 195594.
shawnl added a comment.

Add a second patch that changes SwitchToLookupTable

There were a number of cases where a table was smaller and we still didn't use it, and
also i8 tables are small enough that we should use them. Also, remove xor and and when producing a covered table.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60673/new/

https://reviews.llvm.org/D60673

Files:
  lib/Transforms/Utils/SimplifyCFG.cpp
  test/Transforms/SimplifyCFG/switch-genfori8.ll
  test/Transforms/SimplifyCFG/switch-simplify-range.ll

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