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Enhancement of call graph API 

* cgraph.h (expand_thunk): New argument added.
	(address_taken_from_non_vtable_p): New global function.
	* ipa-visibility.c (address_taken_from_non_vtable_p): Likewise.
	* cgraphclones.c (duplicate_thunk_for_node): Argument added to call.
	* cgraphunit.c (analyze_function): Likewise.
	(assemble_thunks_and_aliases): Argument added to call.
	(expand_thunk): New argument forces to produce GIMPLE thunk.

From-SVN: r211218
This commit is contained in:
Martin Liska 2014-06-04 11:39:24 +02:00 committed by Martin Liska
parent a96bf0d3ce
commit d211e47192
5 changed files with 20 additions and 7 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2014-06-04 Martin Liska <mliska@suse.cz>
* cgraph.h (expand_thunk): New argument added.
(address_taken_from_non_vtable_p): New global function.
* ipa-visibility.c (address_taken_from_non_vtable_p): Likewise.
* cgraphclones.c (duplicate_thunk_for_node): Argument added to call.
* cgraphunit.c (analyze_function): Likewise.
(assemble_thunks_and_aliases): Argument added to call.
(expand_thunk): New argument forces to produce GIMPLE thunk.
2014-06-04 Martin Liska <mliska@suse.cz>
* coverage.h (coverage_compute_cfg_checksum): Argument added.

3
gcc/cgraph.h
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@ -911,7 +911,7 @@ void fixup_same_cpp_alias_visibility (symtab_node *, symtab_node *target, tree);
IN_SSA is true if the gimple is in SSA. */
basic_block init_lowered_empty_function (tree, bool);
void cgraph_reset_node (struct cgraph_node *);
bool expand_thunk (struct cgraph_node *, bool);
bool expand_thunk (struct cgraph_node *, bool, bool);
/* In cgraphclones.c */
@ -979,6 +979,7 @@ bool varpool_externally_visible_p (varpool_node *);
/* In ipa-visibility.c */
bool cgraph_local_node_p (struct cgraph_node *);
bool address_taken_from_non_vtable_p (symtab_node *node);
/* In predict.c */

2
gcc/cgraphclones.c
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@ -353,7 +353,7 @@ duplicate_thunk_for_node (cgraph_node *thunk, cgraph_node *node,
CGRAPH_FREQ_BASE);
e->call_stmt_cannot_inline_p = true;
cgraph_call_edge_duplication_hooks (thunk->callees, e);
if (!expand_thunk (new_thunk, false))
if (!expand_thunk (new_thunk, false, false))
new_thunk->analyzed = true;
cgraph_call_node_duplication_hooks (thunk, new_thunk);
return new_thunk;

10
gcc/cgraphunit.c
View File

@ -610,7 +610,7 @@ analyze_function (struct cgraph_node *node)
{
cgraph_create_edge (node, cgraph_get_node (node->thunk.alias),
NULL, 0, CGRAPH_FREQ_BASE);
if (!expand_thunk (node, false))
if (!expand_thunk (node, false, false))
{
node->thunk.alias = NULL;
node->analyzed = true;
@ -1466,11 +1466,13 @@ thunk_adjust (gimple_stmt_iterator * bsi,
}
/* Expand thunk NODE to gimple if possible.
When FORCE_GIMPLE_THUNK is true, gimple thunk is created and
no assembler is produced.
When OUTPUT_ASM_THUNK is true, also produce assembler for
thunks that are not lowered. */
bool
expand_thunk (struct cgraph_node *node, bool output_asm_thunks)
expand_thunk (struct cgraph_node *node, bool output_asm_thunks, bool force_gimple_thunk)
{
bool this_adjusting = node->thunk.this_adjusting;
HOST_WIDE_INT fixed_offset = node->thunk.fixed_offset;
@ -1481,7 +1483,7 @@ expand_thunk (struct cgraph_node *node, bool output_asm_thunks)
tree a;
if (this_adjusting
if (!force_gimple_thunk && this_adjusting
&& targetm.asm_out.can_output_mi_thunk (thunk_fndecl, fixed_offset,
virtual_value, alias))
{
@ -1719,7 +1721,7 @@ assemble_thunks_and_aliases (struct cgraph_node *node)
e = e->next_caller;
assemble_thunks_and_aliases (thunk);
expand_thunk (thunk, true);
expand_thunk (thunk, true, false);
}
else
e = e->next_caller;

2
gcc/ipa-visibility.c
View File

@ -115,7 +115,7 @@ cgraph_local_node_p (struct cgraph_node *node)
}
/* Return true when there is a reference to node and it is not vtable. */
static bool
bool
address_taken_from_non_vtable_p (symtab_node *node)
{
int i;