diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 4339efa98b4c0..baa8e641a5fdb 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5483,7 +5483,8 @@ SDValue SelectionDAG::foldConstantFPMath(unsigned Opcode, const SDLoc &DL,
   auto *N1CFP = dyn_cast<ConstantFPSDNode>(N1.getNode());
   auto *N2CFP = dyn_cast<ConstantFPSDNode>(N2.getNode());
   if (N1CFP && N2CFP) {
-    APFloat C1 = N1CFP->getValueAPF(), C2 = N2CFP->getValueAPF();
+    APFloat C1 = N1CFP->getValueAPF(); // make copy
+    const APFloat &C2 = N2CFP->getValueAPF();
     switch (Opcode) {
     case ISD::FADD:
       C1.add(C2, APFloat::rmNearestTiesToEven);