Fix a -Wunused-variable warning in release build, NFC

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 3410271..9fcee1c 100644 (file)
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -21763,8 +21763,7 @@ void AArch64TargetLowering::ReplaceNodeResults(
   }
   case ISD::READ_REGISTER: {
     SDLoc DL(N);
-    EVT VT = N->getValueType(0);
-    assert(VT == MVT::i128 &&
+    assert(N->getValueType(0) == MVT::i128 &&
            "READ_REGISTER custom lowering is only for 128-bit sysregs");
     SDValue Chain = N->getOperand(0);
     SDValue SysRegName = N->getOperand(1);