[llvm] [VPlan] Add ComputeAnyOfResult VPInstruction (NFC) (PR #141932)

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 3 05:27:38 PDT 2025


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@@ -9764,23 +9784,36 @@ preparePlanForEpilogueVectorLoop(VPlan &Plan, Loop *L,
     Value *ResumeV = nullptr;
     // TODO: Move setting of resume values to prepareToExecute.
     if (auto *ReductionPhi = dyn_cast<VPReductionPHIRecipe>(&R)) {
+      auto *RdxResult =
+          cast<VPInstruction>(*find_if(ReductionPhi->users(), [](VPUser *U) {
+            auto *VPI = dyn_cast<VPInstruction>(U);
+            return VPI &&
+                   (VPI->getOpcode() == VPInstruction::ComputeReductionResult ||
+                    VPI->getOpcode() == VPInstruction::ComputeFindLastIVResult);
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fhahn wrote:

Yep added, it looks like this by accident returned the correct result for the tests w/o sanitizers enabled.

https://github.com/llvm/llvm-project/pull/141932


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