diff options
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
-rw-r--r-- | gcc/tree-vect-loop-manip.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index f9fdf013e10..f8a44b53217 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -727,17 +727,26 @@ slpeel_duplicate_current_defs_from_edges (edge from, edge to) for (gsi_from = gsi_start_phis (from->dest), gsi_to = gsi_start_phis (to->dest); - !gsi_end_p (gsi_from) && !gsi_end_p (gsi_to); - gsi_next (&gsi_from), gsi_next (&gsi_to)) + !gsi_end_p (gsi_from) && !gsi_end_p (gsi_to);) { gimple *from_phi = gsi_stmt (gsi_from); gimple *to_phi = gsi_stmt (gsi_to); tree from_arg = PHI_ARG_DEF_FROM_EDGE (from_phi, from); + if (TREE_CODE (from_arg) != SSA_NAME) + { + gsi_next (&gsi_from); + continue; + } tree to_arg = PHI_ARG_DEF_FROM_EDGE (to_phi, to); - if (TREE_CODE (from_arg) == SSA_NAME - && TREE_CODE (to_arg) == SSA_NAME - && get_current_def (to_arg) == NULL_TREE) + if (TREE_CODE (to_arg) != SSA_NAME) + { + gsi_next (&gsi_to); + continue; + } + if (get_current_def (to_arg) == NULL_TREE) set_current_def (to_arg, get_current_def (from_arg)); + gsi_next (&gsi_from); + gsi_next (&gsi_to); } } |