[llvm] [LV] Convert uniform-address scatters to scalar store when unmasked or header-masked. (PR #166114)

[Mel Chen via llvm-commits]

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@@ -1372,6 +1372,50 @@ void VPlanTransforms::simplifyRecipes(VPlan &Plan) {
   }
 }
 
+static VPSingleDefRecipe *findHeaderMask(VPlan &Plan);
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Mel-Chen wrote:

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https://github.com/llvm/llvm-project/pull/166114