diff options
Diffstat (limited to 'gcc/ipa-cp.c')
| -rw-r--r-- | gcc/ipa-cp.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c index f7782cbbf83..59a051915f6 100644 --- a/gcc/ipa-cp.c +++ b/gcc/ipa-cp.c @@ -442,7 +442,7 @@ ipcp_cloning_candidate_p (struct cgraph_node *node) FIXME: in future we should clone such functions when they are called with different constants, but current ipcp implementation is not good on this. */ - if (!node->needed || !node->analyzed) + if (cgraph_only_called_directly_p (node) || !node->analyzed) return false; if (cgraph_function_body_availability (node) <= AVAIL_OVERWRITABLE) @@ -536,7 +536,7 @@ ipcp_initialize_node_lattices (struct cgraph_node *node) if (ipa_is_called_with_var_arguments (info)) type = IPA_BOTTOM; - else if (!node->needed) + else if (cgraph_only_called_directly_p (node)) type = IPA_TOP; /* When cloning is allowed, we can assume that externally visible functions are not called. We will compensate this by cloning later. */ @@ -954,7 +954,7 @@ ipcp_estimate_growth (struct cgraph_node *node) struct cgraph_edge *cs; int redirectable_node_callers = 0; int removable_args = 0; - bool need_original = node->needed; + bool need_original = !cgraph_only_called_directly_p (node); struct ipa_node_params *info; int i, count; int growth; @@ -1143,7 +1143,7 @@ ipcp_insert_stage (void) for (cs = node->callers; cs != NULL; cs = cs->next_caller) if (cs->caller == node || ipcp_need_redirect_p (cs)) break; - if (!cs && !node->needed) + if (!cs && cgraph_only_called_directly_p (node)) bitmap_set_bit (dead_nodes, node->uid); info = IPA_NODE_REF (node); @@ -1273,7 +1273,13 @@ ipcp_generate_summary (void) static bool cgraph_gate_cp (void) { - return flag_ipa_cp; + /* FIXME lto. IPA-CP does not tolerate running when the inlining decisions + have not been applied. This happens when WPA modifies the callgraph. + Since those decisions are not applied until after all the IPA passes + have been run in LTRANS, this means that IPA passes may see partially + modified callgraphs. The solution to this is to apply WPA decisions + early during LTRANS. */ + return flag_ipa_cp && !flag_ltrans; } struct ipa_opt_pass_d pass_ipa_cp = |