[all-commits] [llvm/llvm-project] 66b282: [LoopVectorize] Remove redundant code in emitSCEVC...

[David Sherwood via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 66b282014cff346ab20c6c8aed774ca2c6bfefd1
      https://github.com/llvm/llvm-project/commit/66b282014cff346ab20c6c8aed774ca2c6bfefd1
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2024-10-07 (Mon, 07 Oct 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

  Log Message:
  -----------
  [LoopVectorize] Remove redundant code in emitSCEVChecks (#111132)

There was some code in emitSCEVChecks to update the dominator
tree if LoopBypassBlocks is empty, however there are no tests
that fail when replacing this code with an assert. I built
both SPEC2017 and the LLVM test suite and also didn't see any
build failures. I've removed the code for now and added an
assert to guard this in case anything changes, since it seems
pointless to have code that's impossible to defend.



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