Sanjay Patel b456310902 [SimplifyCFG] avoid crashing after simplifying a switch (PR42737) ...

Later code in TryToSimplifyUncondBranchFromEmptyBlock() assumes that
we have cleaned up unreachable blocks, but that was not happening
with this switch transform.

llvm-svn: 367037

2019-07-25 17:01:12 +00:00

231 KiB

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