[VPlan] Don't assign slots for external defs (NFCI).

External defs are VPValues wrapping an IR value and hence will get printed as ir<>. We don't need to assign a slot for a VPValue number.
llvm · Apr 9, 2023 · 0dbcbfe · 0dbcbfe
1 parent 3c83480
commit 0dbcbfe
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/llvm/lib/Transforms/Vectorize/VPlan.cpp b/llvm/lib/Transforms/Vectorize/VPlan.cpp
@@ -1108,10 +1108,6 @@ void VPSlotTracker::assignSlot(const VPValue *V) {
 }
 
 void VPSlotTracker::assignSlots(const VPlan &Plan) {
-
-  for (const auto &P : Plan.VPExternalDefs)
-    assignSlot(P.second);
-
   assignSlot(&Plan.VectorTripCount);
   if (Plan.BackedgeTakenCount)
     assignSlot(Plan.BackedgeTakenCount);