Private RecurrenceDescriptor and ordered bool.

Author: Mel-Chen

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -2169,11 +2169,11 @@ class VPInterleaveRecipe : public VPRecipeBase {
 /// a vector operand into a scalar value, and adding the result to a chain.
 /// The Operands are {ChainOp, VecOp, [Condition]}.
 class VPReductionRecipe : public VPSingleDefRecipe {
-protected:
   /// The recurrence decriptor for the reduction in question.
   const RecurrenceDescriptor &RdxDesc;
   bool IsOrdered;
 
+protected:
   VPReductionRecipe(const unsigned char SC, const RecurrenceDescriptor &R,
                     Instruction *I, ArrayRef<VPValue *> Operands,
                     VPValue *CondOp, bool IsOrdered)

llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

@@ -1755,6 +1755,7 @@ void VPReductionEVLRecipe::execute(VPTransformState &State) {
   auto &Builder = State.Builder;
   // Propagate the fast-math flags carried by the underlying instruction.
   IRBuilderBase::FastMathFlagGuard FMFGuard(Builder);
+  const RecurrenceDescriptor &RdxDesc = getRecurrenceDescriptor();
   Builder.setFastMathFlags(RdxDesc.getFastMathFlags());
 
   RecurKind Kind = RdxDesc.getRecurrenceKind();
@@ -1773,7 +1774,7 @@ void VPReductionEVLRecipe::execute(VPTransformState &State) {
   VBuilder.setMask(Mask);
 
   Value *NewRed;
-  if (IsOrdered) {
+  if (isOrdered()) {
     NewRed = createOrderedReduction(VBuilder, RdxDesc, VecOp, Prev);
   } else {
     NewRed = createSimpleTargetReduction(VBuilder, VecOp, RdxDesc);
@@ -1810,6 +1811,7 @@ void VPReductionRecipe::print(raw_ostream &O, const Twine &Indent,
 
 void VPReductionEVLRecipe::print(raw_ostream &O, const Twine &Indent,
                                  VPSlotTracker &SlotTracker) const {
+  const RecurrenceDescriptor &RdxDesc = getRecurrenceDescriptor();
   O << Indent << "REDUCE ";
   printAsOperand(O, SlotTracker);
   O << " = ";