diff options
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index bf75135..e02a566 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1642,28 +1642,6 @@ cprop_into_successor_phis (basic_block bb) if (gsi_end_p (gsi)) continue; - /* We may have an equivalence associated with this edge. While - we can not propagate it into non-dominated blocks, we can - propagate them into PHIs in non-dominated blocks. */ - - /* Push the unwind marker so we can reset the const and copies - table back to its original state after processing this edge. */ - const_and_copies_stack.safe_push (NULL_TREE); - - /* Extract and record any simple NAME = VALUE equivalences. - - Don't bother with [01] = COND equivalences, they're not useful - here. */ - struct edge_info *edge_info = (struct edge_info *) e->aux; - if (edge_info) - { - tree lhs = edge_info->lhs; - tree rhs = edge_info->rhs; - - if (lhs && TREE_CODE (lhs) == SSA_NAME) - record_const_or_copy (lhs, rhs); - } - indx = e->dest_idx; for ( ; !gsi_end_p (gsi); gsi_next (&gsi)) { @@ -1689,8 +1667,6 @@ cprop_into_successor_phis (basic_block bb) && may_propagate_copy (orig_val, new_val)) propagate_value (orig_p, new_val); } - - restore_vars_to_original_value (); } } |