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Re: [tree-ssa] dead const/pure/alloca call removal


On Sat, 8 Nov 2003 21:41:32 -0800, Richard Henderson <rth@redhat.com> wrote:

> On Sat, Nov 08, 2003 at 09:51:08PM +0100, Jan Hubicka wrote:
>> This has a problem.  We first gimplify functions, then analyze them and
>> mark as CONST/PURE and then optimize.  So we lose the information.
>> 
>> Wehre do you think this flag should be updated?
>
> I don't unserstand why we'd lose this during gimplification.
> Please explain.  It definitely sounds like if we lose the bit
> then we've got a trivial bug somewhere.

I think Jan isn't talking about losing the bit, but rather that the called
functions don't have the const/pure bit set until after gimplification.  No
idea why that would be, though.

Jason


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