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

[Sam Tebbs via llvm-branch-commits]

================
@@ -3116,7 +3116,10 @@ class BasicTTIImplBase : public 
TargetTransformInfoImplCRTPBase<T> {
 
   InstructionCost
   getMulAccReductionCost(bool IsUnsigned, Type *ResTy, VectorType *Ty,
+                         bool Negated,
                          TTI::TargetCostKind CostKind) const override {
+    if (Negated)
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SamTebbs33 wrote:

Thanks, I've added a cost for the sub.

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