[llvm-branch-commits] [llvm] [LoopVectorizer] Bundle partial reductions inside VPMulAccumulateReductionRecipe (PR #136173)

[Sam Tebbs via llvm-branch-commits]

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@@ -2376,6 +2327,59 @@ class VPReductionRecipe : public VPRecipeWithIRFlags {
   }
 };
 
+/// A recipe for forming partial reductions. In the loop, an accumulator and
+/// vector operand are added together and passed to the next iteration as the
+/// next accumulator. After the loop body, the accumulator is reduced to a
+/// scalar value.
+class VPPartialReductionRecipe : public VPReductionRecipe {
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SamTebbs33 wrote:

Done.

https://github.com/llvm/llvm-project/pull/136173