[all-commits] [llvm/llvm-project] bf02ed: Prevent crash when TurnSwitchRangeIntoICmp receive...

[Samuel Eubanks via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bf02ed240dfa5f88d9b764375e644cec6cf00396
      https://github.com/llvm/llvm-project/commit/bf02ed240dfa5f88d9b764375e644cec6cf00396
  Author: Samuel Eubanks <swamulism at gmail.com>
  Date:   2022-06-16 (Thu, 16 Jun 2022)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/switch-range-to-icmp.ll

  Log Message:
  -----------
  Prevent crash when TurnSwitchRangeIntoICmp receives default unreachable destination

TurnSwitchRangeIntoICmp crashes when given a switch with a default
destination of unreachable
Addresses issue #53208
https://github.com/llvm/llvm-project/issues/53208

Differential revision: https://reviews.llvm.org/D127712