[Driver] Use addOptInFlag for some HIP options. NFC

Author: MaskRay

clang/lib/Driver/ToolChains/Clang.cpp

@@ -6561,19 +6561,17 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     if (Args.hasFlag(options::OPT_fhip_new_launch_api,
                      options::OPT_fno_hip_new_launch_api, true))
       CmdArgs.push_back("-fhip-new-launch-api");
-    if (Args.hasFlag(options::OPT_fgpu_allow_device_init,
-                     options::OPT_fno_gpu_allow_device_init, false))
-      CmdArgs.push_back("-fgpu-allow-device-init");
+    Args.addOptInFlag(CmdArgs, options::OPT_fgpu_allow_device_init,
+                      options::OPT_fno_gpu_allow_device_init);
     Args.addOptInFlag(CmdArgs, options::OPT_fhip_kernel_arg_name,
                       options::OPT_fno_hip_kernel_arg_name);
   }
 
   if (IsCuda || IsHIP) {
     if (IsRDCMode)
       CmdArgs.push_back("-fgpu-rdc");
-    if (Args.hasFlag(options::OPT_fgpu_defer_diag,
-                     options::OPT_fno_gpu_defer_diag, false))
-      CmdArgs.push_back("-fgpu-defer-diag");
+    Args.addOptInFlag(CmdArgs, options::OPT_fgpu_defer_diag,
+                      options::OPT_fno_gpu_defer_diag);
     if (Args.hasFlag(options::OPT_fgpu_exclude_wrong_side_overloads,
                      options::OPT_fno_gpu_exclude_wrong_side_overloads,
                      false)) {