[llvm] [VPlan] Remove loop region in optimizeForVFAndUF. (PR #108378)

[via llvm-commits]

================
@@ -1427,8 +1436,10 @@ void VPlanIngredient::print(raw_ostream &O) const {
 #endif
 
 bool VPValue::isDefinedOutsideLoopRegions() const {
+
   return !hasDefiningRecipe() ||
-         !getDefiningRecipe()->getParent()->getEnclosingLoopRegion();
+         (!getDefiningRecipe()->getParent()->getEnclosingLoopRegion() &&
+          getDefiningRecipe()->getParent()->getPlan()->getVectorLoopRegion());
----------------
ayalz wrote:

Better to implement `isDefinedInsideLoopRegion()` instead and take its negation?

https://github.com/llvm/llvm-project/pull/108378