[llvm-branch-commits] [llvm] release/20.x: [SLP] Check for PHI nodes (potentially cycles!) when checking dependencies (PR #127294)

[via llvm-branch-commits]

Zentrik wrote:

@alexey-bataev Am I correct in thinking that the `Transforms/SLPVectorizer/X86/perfect-matched-reused-bv.ll` test just needs to be updated to reflect that vectorization fails. It looks like the test is there to make sure there's no crash when compiling.

https://github.com/llvm/llvm-project/pull/127294