diff options
Diffstat (limited to 'gcc/cgraph.c')
| -rw-r--r-- | gcc/cgraph.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/gcc/cgraph.c b/gcc/cgraph.c index 1baed252439..8914569b395 100644 --- a/gcc/cgraph.c +++ b/gcc/cgraph.c @@ -468,6 +468,27 @@ cgraph_node_remove_callers (struct cgraph_node *node) node->callers = NULL; } +/* Release memory used to represent body of function NODE. */ + +void +cgraph_release_function_body (struct cgraph_node *node) +{ + if (DECL_STRUCT_FUNCTION (node->decl) + && DECL_STRUCT_FUNCTION (node->decl)->gimple_df) + { + tree old_decl = current_function_decl; + push_cfun (DECL_STRUCT_FUNCTION (node->decl)); + current_function_decl = node->decl; + delete_tree_ssa (); + delete_tree_cfg_annotations (); + current_function_decl = old_decl; + pop_cfun(); + } + DECL_SAVED_TREE (node->decl) = NULL; + DECL_STRUCT_FUNCTION (node->decl) = NULL; + DECL_INITIAL (node->decl) = error_mark_node; +} + /* Remove the node from cgraph. */ void @@ -541,11 +562,7 @@ cgraph_remove_node (struct cgraph_node *node) } if (kill_body && flag_unit_at_a_time) - { - DECL_SAVED_TREE (node->decl) = NULL; - DECL_STRUCT_FUNCTION (node->decl) = NULL; - DECL_INITIAL (node->decl) = error_mark_node; - } + cgraph_release_function_body (node); node->decl = NULL; if (node->call_site_hash) { |