[llvm] [LoopVectorizer] Prune VFs based on plan register pressure (PR #132190)

[Sam Tebbs via llvm-commits]

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@@ -195,197 +195,6 @@ for.body:                                         ; preds = %entry, %for.body
   br i1 %cmp, label %for.body, label %for.cond.cleanup
 }
 
-; Trip count of 8 - does get vectorized
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SamTebbs33 wrote:

I've managed to reduce the test so that it doesn't exhibit huge register pressure, do let me know what you think of it.

https://github.com/llvm/llvm-project/pull/132190