NoQ added a comment. In D102696#2767894 <https://reviews.llvm.org/D102696#2767894>, @martong wrote:
>> In this case the equations are $y == 0 and $x + 0 == 0 which is much easier >> to solve. > > Yes, you are right. > >> This happens for the same reason that your patch is needed in the first >> place: we're eagerly substituting a constant. > > Absolutely, that's the point. On the other hand, it is very important to > emphasize that we cannot solve this problem with a stronger solver, see my > example with 3 variables and two equations above. Well, in that other example, we should be asking about `$x + $y + 0 == 0` at some point. And then the solver should be able to deduce it from `$x + $y + $z == 0` and `$z == 0`. If we're not asking this question, that's obviously the first problem to get out of our way. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D102696/new/ https://reviews.llvm.org/D102696 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
