[CIR][Driver] Refactored shared check into a single boolean

Author: tommymcm

clang/lib/Driver/ToolChains/Clang.cpp

@@ -5099,15 +5099,15 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   if (Args.hasArg(options::OPT_fclangir_mem2reg))
     CmdArgs.push_back("-fclangir-mem2reg");
 
-  if (Args.hasArg(options::OPT_fclangir_idiom_recognizer,
-                  options::OPT_fclangir_idiom_recognizer_EQ))
+  bool enable_idiom_recognizer = Args.hasArg(options::OPT_fclangir_idiom_recognizer,
+                                             options::OPT_fclangir_idiom_recognizer_EQ);
+  if (enable_idiom_recognizer)
     CmdArgs.push_back("-fclangir-idiom-recognizer");
 
   // ClangIR lib opt requires idiom recognizer.
   if (Args.hasArg(options::OPT_fclangir_lib_opt,
                   options::OPT_fclangir_lib_opt_EQ)) {
-    if (!Args.hasArg(options::OPT_fclangir_idiom_recognizer,
-                     options::OPT_fclangir_idiom_recognizer_EQ))
+    if (!enable_idiom_recognizer)
       CmdArgs.push_back("-fclangir-idiom-recognizer");
     CmdArgs.push_back("-fclangir-lib-opt");
   }