diff options
Diffstat (limited to 'gcc/cfg.c')
| -rw-r--r-- | gcc/cfg.c | 24 |
1 files changed, 14 insertions, 10 deletions
@@ -81,17 +81,21 @@ static void free_edge (edge); /* Called once at initialization time. */ void -init_flow (void) +init_flow (struct function *the_fun) { - if (!cfun->cfg) - cfun->cfg = GGC_CNEW (struct control_flow_graph); - n_edges = 0; - ENTRY_BLOCK_PTR = GGC_CNEW (struct basic_block_def); - ENTRY_BLOCK_PTR->index = ENTRY_BLOCK; - EXIT_BLOCK_PTR = GGC_CNEW (struct basic_block_def); - EXIT_BLOCK_PTR->index = EXIT_BLOCK; - ENTRY_BLOCK_PTR->next_bb = EXIT_BLOCK_PTR; - EXIT_BLOCK_PTR->prev_bb = ENTRY_BLOCK_PTR; + if (!the_fun->cfg) + the_fun->cfg = GGC_CNEW (struct control_flow_graph); + n_edges_for_function (the_fun) = 0; + ENTRY_BLOCK_PTR_FOR_FUNCTION (the_fun) + = GGC_CNEW (struct basic_block_def); + ENTRY_BLOCK_PTR_FOR_FUNCTION (the_fun)->index = ENTRY_BLOCK; + EXIT_BLOCK_PTR_FOR_FUNCTION (the_fun) + = GGC_CNEW (struct basic_block_def); + EXIT_BLOCK_PTR_FOR_FUNCTION (the_fun)->index = EXIT_BLOCK; + ENTRY_BLOCK_PTR_FOR_FUNCTION (the_fun)->next_bb + = EXIT_BLOCK_PTR_FOR_FUNCTION (the_fun); + EXIT_BLOCK_PTR_FOR_FUNCTION (the_fun)->prev_bb + = ENTRY_BLOCK_PTR_FOR_FUNCTION (the_fun); } /* Helper function for remove_edge and clear_edges. Frees edge structure |