[PATCH] D94470: [LSR] Don't break a critical edge if parent ends with "callbr"

[Bill Wendling via Phabricator via llvm-commits]

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The 'callbr' instruction doesn't have a good place to put values from a
split critical edge. This is similar to indirect branch and case switch
instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D94470

Files:
  llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
  llvm/test/CodeGen/Generic/callbr-critical-edge-splitting.ll

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