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

[Sam Tebbs via llvm-branch-commits]

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@@ -2757,6 +2757,12 @@ class VPExpressionRecipe : public VPSingleDefRecipe {
     /// vector operands, performing a reduction.add on the result, and adding
     /// the scalar result to a chain.
     MulAccReduction,
+    /// Represent an inloop multiply-accumulate reduction, multiplying the
+    /// extended vector operands, negating the multiplication, performing a
+    /// reduction.add
+    /// on the result, and adding
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SamTebbs33 wrote:

Done.

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