diff options
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index 89b45745364..a120fb153aa 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -1105,35 +1105,6 @@ set_prologue_iterations (basic_block bb_before_first_loop, first_niters = PHI_RESULT (newphi); } - -/* Remove dead assignments from loop NEW_LOOP. */ - -static void -remove_dead_stmts_from_loop (struct loop *new_loop) -{ - basic_block *bbs = get_loop_body (new_loop); - unsigned i; - for (i = 0; i < new_loop->num_nodes; ++i) - { - gimple_stmt_iterator gsi; - for (gsi = gsi_start_bb (bbs[i]); !gsi_end_p (gsi);) - { - gimple stmt = gsi_stmt (gsi); - if (is_gimple_assign (stmt) - && TREE_CODE (gimple_assign_lhs (stmt)) == SSA_NAME - && has_zero_uses (gimple_assign_lhs (stmt))) - { - gsi_remove (&gsi, true); - release_defs (stmt); - } - else - gsi_next (&gsi); - } - } - free (bbs); -} - - /* Function slpeel_tree_peel_loop_to_edge. Peel the first (last) iterations of LOOP into a new prolog (epilog) loop @@ -1445,13 +1416,6 @@ slpeel_tree_peel_loop_to_edge (struct loop *loop, BITMAP_FREE (definitions); delete_update_ssa (); - /* Remove all pattern statements from the loop copy. They will confuse - the expander if DCE is disabled. - ??? The pattern recognizer should be split into an analysis and - a transformation phase that is then run only on the loop that is - going to be transformed. */ - remove_dead_stmts_from_loop (new_loop); - adjust_vec_debug_stmts (); return new_loop; |