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re PR lto/49796 (483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build)

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2011-07-22  Martin Jambor  <mjambor@suse.cz>

	PR lto/49796
	* cgraphunit.c (verify_edge_corresponds_to_fndecl): Return false
	if decl node is in another partition, call cgraph_get_node only
	once.

From-SVN: r176630
This commit is contained in:
Martin Jambor 2011-07-22 17:35:48 +02:00 committed by Martin Jambor
parent e3c666fd0e
commit b75d1e2107
2 changed files with 22 additions and 9 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-07-22 Martin Jambor <mjambor@suse.cz>
PR lto/49796
* cgraphunit.c (verify_edge_corresponds_to_fndecl): Return false
if decl node is in another partition, call cgraph_get_node only
once.
2011-07-22 Uros Bizjak <ubizjak@gmail.com>
* config.gcc (x86_64-*-linux*): Set

24
gcc/cgraphunit.c
View File

@ -456,17 +456,23 @@ cgraph_debug_gimple_stmt (struct function *this_cfun, gimple stmt)
static bool
verify_edge_corresponds_to_fndecl (struct cgraph_edge *e, tree decl)
{
if (!e->callee->global.inlined_to
&& decl
&& cgraph_get_node (decl)
&& (e->callee->former_clone_of
!= cgraph_function_or_thunk_node (cgraph_get_node (decl), NULL)->decl)
struct cgraph_node *node;
if (!decl || e->callee->global.inlined_to)
return false;
node = cgraph_get_node (decl);
/* We do not know if a node from a different partition is an alias or what it
aliases and therefore cannot do the former_clone_of check reliably. */
if (!node || node->in_other_partition)
return false;
node = cgraph_function_or_thunk_node (node, NULL);
if ((e->callee->former_clone_of != node->decl)
/* IPA-CP sometimes redirect edge to clone and then back to the former
function. This ping-pong has to go, eventaully. */
&& (cgraph_function_or_thunk_node (cgraph_get_node (decl), NULL)
!= cgraph_function_or_thunk_node (e->callee, NULL))
&& !clone_of_p (cgraph_get_node (decl),
e->callee))
&& (node != cgraph_function_or_thunk_node (e->callee, NULL))
&& !clone_of_p (node, e->callee))
return true;
else
return false;