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cgraph.c (dump_cgraph_node): Dump versionable flag. 

* cgraph.c (dump_cgraph_node): Dump versionable flag.
	* cgraph.h (cgraph_local_info): Add versionable flag.
	* ipa-cp.c (ipcp_analyze_node): Set versionable flag.
	(ipcp_versionable_function_p): Use it.
	* lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
	versionable flag.

From-SVN: r159467
This commit is contained in:
Jan Hubicka 2010-05-17 00:24:26 +02:00 committed by Jan Hubicka
parent 91fbf0c7c6
commit ccbbf8a2db
5 changed files with 23 additions and 2 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2010-05-16 Jan Hubicka <jh@suse.cz>
* cgraph.c (dump_cgraph_node): Dump versionable flag.
* cgraph.h (cgraph_local_info): Add versionable flag.
* ipa-cp.c (ipcp_analyze_node): Set versionable flag.
(ipcp_versionable_function_p): Use it.
* lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
versionable flag.
2010-05-16 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_clone_node): Take decl argument and insert
@ -7,7 +16,8 @@
* lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
(lto_cgraph_encoder_delete): Delete body map.
(lto_cgraph_encoder_size): Move to header.
(lto_cgraph_encoder_encode_body_p, lto_set_cgraph_encoder_encode_body): New.
(lto_cgraph_encoder_encode_body_p,
lto_set_cgraph_encoder_encode_body): New.
(lto_output_node): Do not take written_decls argument; output clone_of
pointer.
(add_node_to): Add include_body_argument; call

4
gcc/cgraph.c
View File

@ -1830,6 +1830,8 @@ dump_cgraph_node (FILE *f, struct cgraph_node *node)
fprintf (f, " always_inline");
else if (node->local.inlinable)
fprintf (f, " inlinable");
else if (node->local.versionable)
fprintf (f, " versionable");
if (node->local.redefined_extern_inline)
fprintf (f, " redefined_extern_inline");
if (TREE_ASM_WRITTEN (node->decl))
@ -2046,6 +2048,8 @@ cgraph_clone_edge (struct cgraph_edge *e, struct cgraph_node *n,
/* Create node representing clone of N executed COUNT times. Decrease
the execution counts from original node too.
The new clone will have decl set to DECL that may or may not be the same
as decl of N.
When UPDATE_ORIGINAL is true, the counts are subtracted from the original
function's profile to reflect the fact that part of execution is handled

4
gcc/cgraph.h
View File

@ -105,6 +105,10 @@ struct GTY(()) cgraph_local_info {
/* False when there something makes inlining impossible (such as va_arg). */
unsigned inlinable : 1;
/* False when there something makes versioning impossible.
Currently computed and used only by ipa-cp. */
unsigned versionable : 1;
/* True when function should be inlined independently on its size. */
unsigned disregard_inline_limits : 1;

3
gcc/ipa-cp.c
View File

@ -183,6 +183,7 @@ ipcp_analyze_node (struct cgraph_node *node)
/* Unreachable nodes should have been eliminated before ipcp. */
gcc_assert (node->needed || node->reachable);
node->local.versionable = tree_versionable_function_p (node->decl);
ipa_initialize_node_params (node);
ipa_detect_param_modifications (node);
}
@ -419,7 +420,7 @@ ipcp_versionable_function_p (struct cgraph_node *node)
basic_block bb;
/* There are a number of generic reasons functions cannot be versioned. */
if (!tree_versionable_function_p (decl))
if (!node->local.versionable)
return false;
/* Removing arguments doesn't work if the function takes varargs. */

2
gcc/lto-cgraph.c
View File

@ -468,6 +468,7 @@ lto_output_node (struct lto_simple_output_block *ob, struct cgraph_node *node,
bp_pack_value (bp, node->local.externally_visible, 1);
bp_pack_value (bp, node->local.finalized, 1);
bp_pack_value (bp, node->local.inlinable, 1);
bp_pack_value (bp, node->local.versionable, 1);
bp_pack_value (bp, node->local.disregard_inline_limits, 1);
bp_pack_value (bp, node->local.redefined_extern_inline, 1);
bp_pack_value (bp, node->local.vtable_method, 1);
@ -921,6 +922,7 @@ input_overwrite_node (struct lto_file_decl_data *file_data,
node->local.externally_visible = bp_unpack_value (bp, 1);
node->local.finalized = bp_unpack_value (bp, 1);
node->local.inlinable = bp_unpack_value (bp, 1);
node->local.versionable = bp_unpack_value (bp, 1);
node->local.disregard_inline_limits = bp_unpack_value (bp, 1);
node->local.redefined_extern_inline = bp_unpack_value (bp, 1);
node->local.vtable_method = bp_unpack_value (bp, 1);