Fixing problems that got exposed after the refactoring of LegalizeDAG done in 72447.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72521 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp
index bde00c3b1bb298b31083a18511a4ea8ba83a309c..f0615079dcfc679ec80b7022ae04cc10155fc4b5 100644 (file)
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -1425,10 +1425,8 @@ SDValue PIC16TargetLowering::LowerADD(SDValue Op, SelectionDAG &DAG) {
       return DAG.getNode(Op.getOpcode(), dl, MVT::i8, Op.getOperand(MemOp ^ 1),
                          NewVal);
   }
-  else if (Op.getOpcode() == ISD::ADD)
-    return Op;
   else
-    return SDValue();
+    return Op;
 }
 
 SDValue PIC16TargetLowering::LowerSUB(SDValue Op, SelectionDAG &DAG) {
@@ -1439,7 +1437,7 @@ SDValue PIC16TargetLowering::LowerSUB(SDValue Op, SelectionDAG &DAG) {
   // Nothing to do if the first operand is already a direct load and it has
   // only one use.
   if (isDirectLoad(Op.getOperand(0)) && Op.getOperand(0).hasOneUse())
-    return SDValue();
+    return Op;
 
   // Put first operand on stack.
   SDValue NewVal = ConvertToMemOperand (Op.getOperand(0), DAG, dl);