[llvm] [LV] Check for vector-to-scalar casts in legalizer (PR #106244)

[via llvm-commits]

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+; RUN: opt --force-widen-divrem-via-safe-divisor=false -passes=loop-vectorize -S --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s
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ErikHogeman wrote:

Ah of course, sorry I missed that, fixed now.

https://github.com/llvm/llvm-project/pull/106244