diff options
Diffstat (limited to 'gcc/cgraphclones.cc')
| -rw-r--r-- | gcc/cgraphclones.cc | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/gcc/cgraphclones.cc b/gcc/cgraphclones.cc index e6223fa..b45ac49 100644 --- a/gcc/cgraphclones.cc +++ b/gcc/cgraphclones.cc @@ -307,12 +307,20 @@ cgraph_node::expand_all_artificial_thunks () e = e->next_caller; } +/* Dump information about creation of a call graph node clone to the dump file + created by the -fdump-ipa-clones option. ORIGINAL is the function being + cloned, CLONE is the new clone. SUFFIX is a string that helps identify the + reason for cloning, often it is the suffix used by a particular IPA pass to + create unique function names. SUFFIX can be NULL and in that case the + dumping will not take place, which must be the case only for helper clones + which will never be emitted to the output. */ + void dump_callgraph_transformation (const cgraph_node *original, const cgraph_node *clone, const char *suffix) { - if (symtab->ipa_clones_dump_file) + if (suffix && symtab->ipa_clones_dump_file) { fprintf (symtab->ipa_clones_dump_file, "Callgraph clone;%s;%d;%s;%d;%d;%s;%d;%s;%d;%d;%s\n", @@ -358,9 +366,14 @@ localize_profile (cgraph_node *n) If the new node is being inlined into another one, NEW_INLINED_TO should be the outline function the new one is (even indirectly) inlined to. All hooks - will see this in node's inlined_to, when invoked. Can be NULL if the + will see this in node's inlined_to, when invoked. Should be NULL if the node is not inlined. + SUFFIX is string that is appended to the original name, it should only be + NULL if NEW_INLINED_TO is not NULL or if the clone being created is + temporary and a record about it should not be added into the ipa-clones dump + file. + If PARAM_ADJUSTMENTS is non-NULL, the parameter manipulation information will be overwritten by the new structure. Otherwise the new node will share parameter manipulation information with the original node. */ @@ -994,11 +1007,12 @@ cgraph_node::create_version_clone (tree new_decl, TREE_MAP is a mapping of tree nodes we want to replace with new ones (according to results of prior analysis). - 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 PARAM_ADJUSTMENTS determine how function formal parameters + should be modified in the new version and if it should 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. + SUFFIX is a string that will be used to create a new name for the new + function. If TARGET_ATTRIBUTES is non-null, when creating a new declaration, add the attributes to DECL_ATTRIBUTES. And call valid_attribute_p |