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

[Sam Tebbs via llvm-commits]

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@@ -7764,7 +7550,9 @@ VectorizationFactor LoopVectorizationPlanner::computeBestVF() {
   }
 
   for (auto &P : VPlans) {
-    for (ElementCount VF : P->vectorFactors()) {
+    SmallVector<ElementCount, 1> VFs(P->vectorFactors());
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SamTebbs33 wrote:

Done.

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