[llvm] [LV] Convert scatter w/uniform addr and mask being header mask to scalar store. (PR #172799)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPlan.h llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp llvm/lib/Transforms/Vectorize/VPlanTransforms.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 527e3cee3..13b96e84f 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -1916,8 +1916,7 @@ void VPlanTransforms::narrowScatters(VPlan &Plan, VPCostContext &Ctx,
               Range))
         continue;
       VPBuilder Builder(WidenStoreR);
-      VPInstruction *LastActiveLane =
-          Builder.createLastActiveLane(Mask);
+      VPInstruction *LastActiveLane = Builder.createLastActiveLane(Mask);
       VPInstruction *Extract =
           Builder.createNaryOp(VPInstruction::ExtractLane,
                                {LastActiveLane, WidenStoreR->getStoredValue()});

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https://github.com/llvm/llvm-project/pull/172799