diff --git a/llvm/lib/IR/ConstantsContext.h b/llvm/lib/IR/ConstantsContext.h
index aaaab0b7a918a4..08bf3f9dff5e66 100644
--- a/llvm/lib/IR/ConstantsContext.h
+++ b/llvm/lib/IR/ConstantsContext.h
@@ -491,8 +491,7 @@ struct ConstantExprKeyType {
     default:
       if (Instruction::isCast(Opcode))
         return new CastConstantExpr(Opcode, Ops[0], Ty);
-      if ((Opcode >= Instruction::BinaryOpsBegin &&
-           Opcode < Instruction::BinaryOpsEnd))
+      if (Instruction::isBinaryOp(Opcode))
         return new BinaryConstantExpr(Opcode, Ops[0], Ops[1],
                                       SubclassOptionalData);
       llvm_unreachable("Invalid ConstantExpr!");