[VPlan] Narrow wide stores in narrowToSingleScalars

[artagnon]

-- 8< --
Various tests need to be updated. Pending verification of IR diff.

[github-actions]

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You can test this locally with the following command:

git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp --diff_from_common_commit

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View the diff from clang-format here.

diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index b6e8e2a4d..e684fa2cf 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -1419,10 +1419,9 @@ static void narrowToSingleScalarRecipes(VPlan &Plan) {
                                             true /*IsSingleScalar*/,
                                             nullptr /*Mask*/, Metadata);
         Clone->insertBefore(&R);
-        unsigned ExtractOpc =
-            vputils::isUniformAcrossVFsAndUFs(OperandToCheck)
-                ? VPInstruction::ExtractLastElement
-                : VPInstruction::ExtractLastLanePerPart;
+        unsigned ExtractOpc = vputils::isUniformAcrossVFsAndUFs(OperandToCheck)
+                                  ? VPInstruction::ExtractLastElement
+                                  : VPInstruction::ExtractLastLanePerPart;
         auto *Ext = new VPInstruction(ExtractOpc, {Clone->getOperand(0)});
         Ext->insertBefore(Clone);
         Clone->setOperand(0, Ext);

[artagnon]

Huge thinko!