[LV] Set PhiTy once in adjustRecipesForReductions (NFC).

Author: fhahn

llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

@@ -9445,6 +9445,7 @@ void LoopVectorizationPlanner::adjustRecipesForReductions(
       continue;
 
     const RecurrenceDescriptor &RdxDesc = PhiR->getRecurrenceDescriptor();
+    Type *PhiTy = PhiR->getOperand(0)->getLiveInIRValue()->getType();
     // If tail is folded by masking, introduce selects between the phi
     // and the users outside the vector region of each reduction, at the
     // beginning of the dedicated latch block.
@@ -9456,7 +9457,6 @@ void LoopVectorizationPlanner::adjustRecipesForReductions(
     if (!PhiR->isInLoop() && CM.foldTailByMasking() &&
         !isa<VPPartialReductionRecipe>(OrigExitingVPV->getDefiningRecipe())) {
       VPValue *Cond = RecipeBuilder.getBlockInMask(PhiR->getParent());
-      Type *PhiTy = PhiR->getOperand(0)->getLiveInIRValue()->getType();
       std::optional<FastMathFlags> FMFs =
           PhiTy->isFloatingPointTy()
               ? std::make_optional(RdxDesc.getFastMathFlags())
@@ -9477,7 +9477,6 @@ void LoopVectorizationPlanner::adjustRecipesForReductions(
     // If the vector reduction can be performed in a smaller type, we truncate
     // then extend the loop exit value to enable InstCombine to evaluate the
     // entire expression in the smaller type.
-    Type *PhiTy = PhiR->getStartValue()->getLiveInIRValue()->getType();
     if (MinVF.isVector() && PhiTy != RdxDesc.getRecurrenceType() &&
         !RecurrenceDescriptor::isAnyOfRecurrenceKind(
             RdxDesc.getRecurrenceKind())) {