[llvm] [LV][EVL] Emit vp.merge intrinsic to enable out-loop reduction in EVL vectorization. (PR #101641)
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 25 11:36:18 PDT 2024
================
@@ -1392,7 +1395,19 @@ static void transformRecipestoEVLRecipes(VPlan &Plan, VPValue &EVL) {
TypeInfo.inferScalarType(Sel),
false, false, false);
})
-
+ .Case<VPInstruction>([&](VPInstruction *VPI) -> VPRecipeBase * {
+ VPValue *LHS, *RHS;
+ if (!match(VPI, m_Select(m_Specific(HeaderMask), m_VPValue(LHS),
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fhahn wrote:
right, what I meant was that there could be other selects and we are not checking for reductions here?
https://github.com/llvm/llvm-project/pull/101641
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