fix return values to match bool return type; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254968 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 10fb334c4c6027fa090553ce86efdd9028488e3d..97a9646c3232a9af3bba3d9e79e270d39cd1479e 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -3888,10 +3888,10 @@ static bool matchRotateSub(SDValue Pos, SDValue Neg, unsigned EltSize) {
 
   // Check whether Neg has the form (sub NegC, NegOp1) for some NegC and NegOp1.
   if (Neg.getOpcode() != ISD::SUB)
-    return 0;
+    return false;
   ConstantSDNode *NegC = isConstOrConstSplat(Neg.getOperand(0));
   if (!NegC)
-    return 0;
+    return false;
   SDValue NegOp1 = Neg.getOperand(1);
 
   // On the RHS of [A], if Pos is Pos' & (EltSize - 1), just replace Pos with