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Re: Issue with find_tail_calls


On Fri, Nov 18, 2005 at 08:12:32PM -0500, Richard Kenner wrote:
> What about the other cases where this would apply?  I can't think of any
> cases where checking the lang hook directly is correct.  Can you?

Deciding if one can replace one object with another, or one
pointer with another in an actual dereference.  I think this
is used pleanty of places that are not moves.

lang_hooks.types_compatible_p has the benefit of being
commutative, whereas tree_ssa_useless_type_conversion is not.


r~


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