diff options
Diffstat (limited to 'gcc/cgraphunit.c')
| -rw-r--r-- | gcc/cgraphunit.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c index 2c9c8dd..6ea40ce 100644 --- a/gcc/cgraphunit.c +++ b/gcc/cgraphunit.c @@ -2333,17 +2333,21 @@ cgraph_copy_node_for_versioning (struct cgraph_node *old_version, TREE_MAP is a mapping of tree nodes we want to replace with new ones (according to results of prior analysis). OLD_VERSION_NODE is the node that is versioned. - It returns the new version's cgraph node. + If non-NULL ARGS_TO_SKIP determine function parameters to remove from new version. + If SKIP_RETURN is true, the new version will return void. If non-NULL BLOCK_TO_COPY determine what basic blocks to copy. - If non_NULL NEW_ENTRY determine new entry BB of the clone. */ + If non_NULL NEW_ENTRY determine new entry BB of the clone. + + Return the new version's cgraph node. */ struct cgraph_node * cgraph_function_versioning (struct cgraph_node *old_version_node, VEC(cgraph_edge_p,heap) *redirect_callers, VEC (ipa_replace_map_p,gc)* tree_map, bitmap args_to_skip, + bool skip_return, bitmap bbs_to_copy, basic_block new_entry_block, const char *clone_name) @@ -2357,12 +2361,12 @@ cgraph_function_versioning (struct cgraph_node *old_version_node, gcc_assert (old_version_node->local.can_change_signature || !args_to_skip); - /* Make a new FUNCTION_DECL tree node for the - new version. */ - if (!args_to_skip) + /* Make a new FUNCTION_DECL tree node for the new version. */ + if (!args_to_skip && !skip_return) new_decl = copy_node (old_decl); else - new_decl = build_function_decl_skip_args (old_decl, args_to_skip); + new_decl + = build_function_decl_skip_args (old_decl, args_to_skip, skip_return); /* Generate a new name for the new version. */ DECL_NAME (new_decl) = clone_function_name (old_decl, clone_name); @@ -2381,7 +2385,7 @@ cgraph_function_versioning (struct cgraph_node *old_version_node, /* Copy the OLD_VERSION_NODE function tree to the new version. */ tree_function_versioning (old_decl, new_decl, tree_map, false, args_to_skip, - bbs_to_copy, new_entry_block); + skip_return, bbs_to_copy, new_entry_block); /* Update the new version's properties. Make The new version visible only within this translation unit. Make sure @@ -2412,7 +2416,8 @@ cgraph_materialize_clone (struct cgraph_node *node) /* Copy the OLD_VERSION_NODE function tree to the new version. */ tree_function_versioning (node->clone_of->decl, node->decl, node->clone.tree_map, true, - node->clone.args_to_skip, NULL, NULL); + node->clone.args_to_skip, false, + NULL, NULL); if (cgraph_dump_file) { dump_function_to_file (node->clone_of->decl, cgraph_dump_file, dump_flags); |