[llvm-branch-commits] [llvm] [LV] Bundle sub reductions into VPExpressionRecipe (PR #147255)

[David Sherwood via llvm-branch-commits]

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@@ -1401,8 +1401,8 @@ static void analyzeCostOfVecReduction(const IntrinsicInst &II,
                              TTI::CastContextHint::None, CostKind, RedOp);
 
     CostBeforeReduction = ExtCost * 2 + MulCost + Ext2Cost;
-    CostAfterReduction =
-        TTI.getMulAccReductionCost(IsUnsigned, II.getType(), ExtType, CostKind);
+    CostAfterReduction = TTI.getMulAccReductionCost(IsUnsigned, II.getType(),
+                                                    ExtType, false, CostKind);
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david-arm wrote:

nit: Probably better written as `/*Negated=*/false`

https://github.com/llvm/llvm-project/pull/147255