Jeffrey A Law - Re: -Wuninitialized issues (original) (raw)

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On Wed, 2005-11-02 at 12:55 -0600, Chris Lattner wrote:

I think it's worth noting that we build the SSA form even when we're not optimizing. Which in turn with running the maybe-uninitialized warning code early would give you the warnings you expect without needing to run the optimizers. That's why I don't think we need to push these warnings into the front-ends.

Sure, running it as the first stage of the optimizers has the effect of making it have the properties I desire, without requiring the front-ends to duplicate the code. Such a feature would be great to have! I think we've all agreed it's a good feature to have; I think all we're trying to work out is invocation details. ie, do we have another switch and if we do, is it enabled or disabled when the existing -Wuninitialized is enabled.

jeff

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