Adds handling in this block of code (new in gcc/4_9 and therefore
google/4_9) for LIPO fake edges for indirect calls, which don't have a
call_stmt set and cannot be redirected.
Passes regression tests, ok for google/4_9 branch?
Teresa
2014-10-03 Teresa Johnson <tejohn...@google.com>
Google ref b/17378050
* ipa.c (function_and_variable_visibility): Skip LIPO fake indirect
call edges.
Index: ipa.c
===================================================================
--- ipa.c (revision 215830)
+++ ipa.c (working copy)
@@ -1146,12 +1146,15 @@ function_and_variable_visibility (bool whole_progr
if (node->callers && can_replace_by_local_alias (node))
{
struct cgraph_node *alias = cgraph
(symtab_nonoverwritable_alias (node));
+ struct cgraph_edge *e, *next_caller;
if (alias && alias != node)
{
- while (node->callers)
+ for (e = node->callers; e; e = next_caller)
{
- struct cgraph_edge *e = node->callers;
+ next_caller = e->next_caller;
+ if (L_IPO_COMP_MODE && cgraph_is_fake_indirect_call_edge (e))
+ continue;
cgraph_redirect_edge_callee (e, alias);
if (gimple_has_body_p (e->caller->decl))
--
Teresa Johnson | Software Engineer | tejohn...@google.com | 408-460-2413
