1 files changed, 6 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlan.cpp b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlan.cpp
index a96c122db2a9..342d4a074e10 100644
--- a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlan.cpp
+++ b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlan.cpp
@@ -1649,3 +1649,9 @@ void VPSlotTracker::assignSlots(const VPlan &Plan) {
       for (VPValue *Def : Recipe.definedValues())
         assignSlot(Def);
 }
+
+bool vputils::onlyFirstLaneUsed(VPValue *Def) {
+  return all_of(Def->users(), [Def](VPUser *U) {
+    return cast<VPRecipeBase>(U)->onlyFirstLaneUsed(Def);
+  });
+}