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

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git-clang-format --diff cd0a2a3f1bdaf8dc54d4a4d3c478d41345671e72 43c98be25e6e59958eb53d7216273e9aa3012e98 --extensions h,cpp -- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h llvm/lib/Transforms/Vectorize/VPlan.h
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 3574aa3119..916db94bb7 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -7610,8 +7610,7 @@ VectorizationFactor LoopVectorizationPlanner::computeBestVF() {
         calculateRegisterUsage(getPlanFor(LegacyVF.Width), LegacyVFs, TTI);
     auto RUs = calculateRegisterUsage(BestPlan, VFs, TTI);
 
-    auto GetMaxUsage = [](
-                          SmallMapVector<unsigned, unsigned, 4> MaxLocalUsers) {
+    auto GetMaxUsage = [](SmallMapVector<unsigned, unsigned, 4> MaxLocalUsers) {
       unsigned Max = 0;
       for (auto Pair : MaxLocalUsers)
         if (Pair.second > Max)

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