On Tue, 17 Jan 2012, Jakub Jelinek wrote:
> Hi!
>
> We tail merge
> a = bar (7);
> with
> *x = bar (7);
> completely ignoring the case that the lhs are different.
> IMHO we can't merge if one of the calls has lhs and the other doesn't,
> or if both calls have non-SSA_NAME lhs and they aren't
Hi!
We tail merge
a = bar (7);
with
*x = bar (7);
completely ignoring the case that the lhs are different.
IMHO we can't merge if one of the calls has lhs and the other doesn't,
or if both calls have non-SSA_NAME lhs and they aren't equal (this case).
If both calls have SSA_NAME lhs, I can see
