[llvm] [SLP] Initial vectorization of non-power-of-2 ops. (PR #77790)

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git-clang-format --diff 471a6128901747130ae11ce87b6e0095f862ed9a fb1c7be20d558dab9a4ca7d0897d38524de5dc14 -- llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 15a211d7ad..e9de536539 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -7644,8 +7644,8 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
         for (unsigned I = 0, End = VL.size(); I < End; I += VF) {
           if (VectorizedLoads.contains(VL[I]))
             continue;
-          GatherCost += getBuildVectorCost(
-              VL.slice(I, std::min(End - I, VF)), Root);
+          GatherCost +=
+              getBuildVectorCost(VL.slice(I, std::min(End - I, VF)), Root);
         }
         // Exclude potentially vectorized loads from list of gathered
         // scalars.

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https://github.com/llvm/llvm-project/pull/77790