================
@@ -8430,6 +8479,46 @@ VPlanPtr
LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(
// bring the VPlan to its final state.
//
---------------------------------------------------------------------------
+ // Adjust the recipes for any monotonic phis.
+ for (VPRecipeBase &R : HeaderVPBB->phis()) {
+ auto *MonotonicPhi = dyn_cast<VPMonotonicPHIRecipe>(&R);
----------------
skachkov-sc wrote:
Do you mean VPIRPhi recipe? I think it's possible, but I'm slightly concerned
that semantically VPMonotonicPHIRecipe models loop header phi so it should be
derived from VPHeaderPHIRecipe. But yes, we can distinguish monotonic phis
using LoopVectorizationLegality
https://github.com/llvm/llvm-project/pull/140723
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