https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90269
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
--- tree-loop-distribution.c (revision 270624)
+++ tree-loop-distribution.c (working copy)
@@ -3033,20 +3033,23 @@ find_seed_stmts_for_distribution (struct
the loop. */
if (!stmt_has_scalar_dependences_outside_loop (loop, phi))
continue;
work_list->safe_push (phi);
}
for (gimple_stmt_iterator gsi = gsi_start_bb (bbs[i]);
!gsi_end_p (gsi); gsi_next (&gsi))
{
gimple *stmt = gsi_stmt (gsi);
+ if (gimple_clobber_p (stmt))
+ continue;
+
/* If there is a stmt with side-effects bail out - we
cannot and should not distribute this loop. */
if (gimple_has_side_effects (stmt))
{
free (bbs);
return false;
}
/* Distribute stmts which have defs that are used outside of
the loop. */
works for this testcase, but that may be too crude (?).
