r177138 - [analyzer] Refactor checks in IDC visitor for consistency and speed

[Jordan Rose]

On Mar 14, 2013, at 18:15 , Anna Zaks <ganna at apple.com> wrote:

> +  AnalyzerOptions &Options =
> +  BRC.getBugReporter().getEngine().getAnalysisManager().options;
> +  if (!Options.shouldSuppressInlinedDefensiveChecks())
> +    return 0;

This doesn't need to be checked every time through. It might be easier to wrap up the creation of the visitor in a helper method (like trackNullOrUndef) that just doesn't attach it in the first place if suppressIDC is turned off.

Jordan
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