[llvm] [LV] Fix unsafe canVectorizeWithIfConvert() checks (PR #203273)

[Sander de Smalen via llvm-commits]

=?utf-8?q?Gaëtan?= Bossu <gaetan.bossu at arm.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/203273 at github.com>


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sdesmalen-arm wrote:

Fair enough. It's difficult to figure out what the best action is here, because any assumptions that the analysis code makes about the shape of the loop may no longer be true when continuing when `canVectorizeLoopNestCFG(..) == false`. At least the code documents it accurately now.

https://github.com/llvm/llvm-project/pull/203273