diff options
Diffstat (limited to 'gcc/cgraphbuild.c')
| -rw-r--r-- | gcc/cgraphbuild.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/gcc/cgraphbuild.c b/gcc/cgraphbuild.c index a7a8bd2b314..65e3d67e14c 100644 --- a/gcc/cgraphbuild.c +++ b/gcc/cgraphbuild.c @@ -33,13 +33,16 @@ along with GCC; see the file COPYING3. If not see #include "tree-pass.h" /* Walk tree and record all calls and references to functions/variables. - Called via walk_tree: TP is pointer to tree to be examined. */ + Called via walk_tree: TP is pointer to tree to be examined. + When DATA is non-null, record references to callgraph. + */ static tree -record_reference (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED) +record_reference (tree *tp, int *walk_subtrees, void *data) { tree t = *tp; tree decl; + bool do_callgraph = data != NULL; switch (TREE_CODE (t)) { @@ -57,7 +60,7 @@ record_reference (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED) /* Record dereferences to the functions. This makes the functions reachable unconditionally. */ decl = TREE_OPERAND (*tp, 0); - if (TREE_CODE (decl) == FUNCTION_DECL) + if (TREE_CODE (decl) == FUNCTION_DECL && do_callgraph) cgraph_mark_address_taken_node (cgraph_node (decl)); break; @@ -78,6 +81,29 @@ record_reference (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED) return NULL_TREE; } +/* Reset inlining information of all incoming call edges of NODE. */ + +void +reset_inline_failed (struct cgraph_node *node) +{ + struct cgraph_edge *e; + + for (e = node->callers; e; e = e->next_caller) + { + e->callee->global.inlined_to = NULL; + if (!node->analyzed) + e->inline_failed = CIF_BODY_NOT_AVAILABLE; + else if (node->local.redefined_extern_inline) + e->inline_failed = CIF_REDEFINED_EXTERN_INLINE; + else if (!node->local.inlinable) + e->inline_failed = CIF_FUNCTION_NOT_INLINABLE; + else if (e->call_stmt_cannot_inline_p) + e->inline_failed = CIF_MISMATCHED_ARGUMENTS; + else + e->inline_failed = CIF_FUNCTION_NOT_CONSIDERED; + } +} + /* Computes the frequency of the call statement so that it can be stored in cgraph_edge. BB is the basic block of the call statement. */ int @@ -195,13 +221,15 @@ struct gimple_opt_pass pass_build_cgraph_edges = }; /* Record references to functions and other variables present in the - initial value of DECL, a variable. */ + initial value of DECL, a variable. + When ONLY_VARS is true, we mark needed only variables, not functions. */ void -record_references_in_initializer (tree decl) +record_references_in_initializer (tree decl, bool only_vars) { struct pointer_set_t *visited_nodes = pointer_set_create (); - walk_tree (&DECL_INITIAL (decl), record_reference, NULL, visited_nodes); + walk_tree (&DECL_INITIAL (decl), record_reference, + only_vars ? NULL : decl, visited_nodes); pointer_set_destroy (visited_nodes); } |