================
@@ -3597,6 +3607,32 @@
tryToMatchAndCreateMulAccumulateReduction(VPReductionRecipe *Red,
dyn_cast_if_present<VPWidenCastRecipe>(B->getDefiningRecipe());
auto *Mul = cast<VPWidenRecipe>(VecOp->getDefiningRecipe());
+ // Match reduce.add(mul(ext, const)) and convert it to
+ // reduce.add(mul(ext, ext(const)))
+ if (RecipeA && !RecipeB && B->isLiveIn()) {
----------------
SamTebbs33 wrote:
Done, thanks for the idea.
https://github.com/llvm/llvm-project/pull/162503
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