https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101145
--- Comment #4 from bin cheng <amker at gcc dot gnu.org> --- (In reply to Jiu Fu Guo from comment #3) > Yes, while the code in adjust_cond_for_loop_until_wrap seems somehow tricky: > > /* Only support simple cases for the moment. */ > if (TREE_CODE (iv0->base) != INTEGER_CST > || TREE_CODE (iv1->base) != INTEGER_CST) > return false; > > This code requires both sides are constant. Actually it requires an IV with constant base.
