[llvm-branch-commits] [llvm] [LV] Only create partial reductions when profitable. (PR #181706)

[Benjamin Maxwell via llvm-branch-commits]

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@@ -6027,44 +6009,39 @@ static bool isValidPartialReduction(const VPPartialReductionChain &Chain,
         static_cast<Instruction::CastOps>(Ext->getOpcode()));
     return {ExtOpType, ExtKind};
   };
-  auto ExtInfoA = GetExtInfo(Chain.ExtendA);
-  auto ExtInfoB = GetExtInfo(Chain.ExtendB);
-  Type *ExtOpTypeA = ExtInfoA.first;
-  Type *ExtOpTypeB = ExtInfoB.first;
-  auto ExtKindA = ExtInfoA.second;
-  auto ExtKindB = ExtInfoB.second;
+  auto [ExtOpTypeA, ExtKindA] = GetExtInfo(Chain.ExtendA);
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MacDue wrote:

I think this PR needs a rebase (I expect there's a conflict here, but they don't show up yet as the target branch is not `main`).

https://github.com/llvm/llvm-project/pull/181706