[llvm-branch-commits] [llvm] [LV] Use VPReductionRecipe for partial reductions (PR #146073)

[Sam Tebbs via llvm-branch-commits]

================
@@ -2744,6 +2702,12 @@ class VPSingleDefBundleRecipe : public VPSingleDefRecipe 
{
     /// vector operands, performing a reduction.add on the result, and adding
     /// the scalar result to a chain.
     MulAccumulateReduction,
+    /// Represent an inloop multiply-accumulate reduction, multiplying the
+    /// extended vector operands, negating the multiplication, performing a
+    /// reduction.add
+    /// on the result, and adding
+    /// the scalar result to a chain.
+    ExtNegatedMulAccumulateReduction,
----------------
SamTebbs33 wrote:

Thanks Florian, that sounds like a good approach.

https://github.com/llvm/llvm-project/pull/146073
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