AArch64ISelLowering.cpp: Fix a warning. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258618 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp
index 41c9a3e..c89becd 100644 (file)
--- a/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -1449,6 +1449,7 @@ static SDValue emitConjunctionDisjunctionTreeRec(SelectionDAG &DAG, SDValue Val,
     bool NeedsNegOutR = RHS->getOpcode() == ISD::OR;
     assert((!NeedsNegOutR || !NeedsNegOutL) &&
            "Valid conjunction/disjunction tree");
+    (void)NeedsNegOutR;
     // Order the side where we need to negate the output flags to RHS so it
     // gets emitted first.
     if (NeedsNegOutL)