[llvm] [LV] Honor -force-vector-interleave when generating diff checks (PR #225768)

[Luke Lau via llvm-commits]

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@@ -7924,7 +7924,7 @@ bool LoopVectorizePass::processLoop(Loop *L) {
     // Select the interleave count.
     IC = LVP.selectInterleaveCount(*BestPlanPtr, VF.Width, VF.Cost);
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lukel97 wrote:

Do we even need to call LVP above if `UserIC > 0`?

https://github.com/llvm/llvm-project/pull/225768