[llvm] [VPlan] Change parent of VPReductionRecipe to VPRecipeWithIRFlags. NFC (PR #130881)

[Florian Hahn via llvm-commits]

================
@@ -2369,8 +2372,7 @@ void VPReductionEVLRecipe::print(raw_ostream &O, const Twine &Indent,
   O << " = ";
   getChainOp()->printAsOperand(O, SlotTracker);
   O << " +";
-  if (isa<FPMathOperator>(getUnderlyingInstr()))
----------------
fhahn wrote:

Right, but we shouldn't further propagate incorrect flags to VPReductionRecipe. We should probably check if it is a FP reduction on construction, and if it isn't set empty (fast-math) flags.

https://github.com/llvm/llvm-project/pull/130881