diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 25d5b06..1fad3da 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -418,7 +418,6 @@ static void make_edges (void) { basic_block bb; - edge e; /* Create an edge from entry to the first block with executable statements in it. */ @@ -447,33 +446,6 @@ make_edges (void) make_edge (bb, bb->next_bb, EDGE_FALLTHRU); } - /* If there is a fallthru edge to exit out of the last block, transform it - to a return statement. */ - for (e = EXIT_BLOCK_PTR->prev_bb->succ; e; e = e->succ_next) - if (e->flags & EDGE_FALLTHRU) - break; - - if (e && e->dest == EXIT_BLOCK_PTR) - { - block_stmt_iterator bsi; - basic_block ret_bb = EXIT_BLOCK_PTR->prev_bb; - tree x; - - /* If E->SRC ends with a call that has an abnormal edge (for EH or - nonlocal goto), then we will need to split the edge to insert - an explicit return statement. */ - if (e != ret_bb->succ || e->succ_next) - { - ret_bb = split_edge (e); - e = ret_bb->succ; - } - e->flags &= ~EDGE_FALLTHRU; - - x = build (RETURN_EXPR, void_type_node, NULL_TREE); - bsi = bsi_last (ret_bb); - bsi_insert_after (&bsi, x, BSI_NEW_STMT); - } - /* We do not care about fake edges, so remove any that the CFG builder inserted for completeness. */ remove_fake_edges (); |