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Re: [tree-ssa]: Loop LICM, take 2

On Thu, 2003-08-28 at 10:23, Jason Merrill wrote:

> We do, however, know that pure/const calls do not have observable effects.
> 
Right.  That's what I was wondering about pure/const calls.  If they
can't trap, we should be able to lift them.  It's very easy to tell if
the statement has a const/pure function.

In fact, shouldn't it be enough to check TREE_SIDE_EFFECTS (call)?


Diego.
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