[Hexagon] Avoid an unused variable warning when assertions are off

No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233740 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Hexagon/HexagonExpandCondsets.cpp b/lib/Target/Hexagon/HexagonExpandCondsets.cpp
index 9d0dc87e41ccf1de0849f57b32199b6e7c639599..37ed173a79cdd4df3f4f4219ac484b3d00054aba 100644 (file)
--- a/lib/Target/Hexagon/HexagonExpandCondsets.cpp
+++ b/lib/Target/Hexagon/HexagonExpandCondsets.cpp
@@ -959,6 +959,7 @@ void HexagonExpandCondsets::renameInRange(RegisterRef RO, RegisterRef RN,
 bool HexagonExpandCondsets::predicate(MachineInstr *TfrI, bool Cond) {
   // TfrI - A2_tfr[tf] Instruction (not A2_tfrsi).
   unsigned Opc = TfrI->getOpcode();
+  (void)Opc;
   assert(Opc == Hexagon::A2_tfrt || Opc == Hexagon::A2_tfrf);
   DEBUG(dbgs() << "\nattempt to predicate if-" << (Cond ? "true" : "false")
                << ": " << *TfrI);