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authorJan Hubicka <jh@suse.cz>2013-09-10 15:50:43 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2013-09-10 13:50:43 +0000
commit82d618d375a1daeab6f22a3f6117f2d7244d966f (patch)
tree4e484620bb234edab10a6d6a34b6eedbf439da8b /gcc
parent668b689457961fbcbd6c140aea21d03729a844e7 (diff)
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lto-cgraph.c: Include ipa-utils.h.
* lto-cgraph.c: Include ipa-utils.h. (compute_ltrans_boundary): Also add possible targets into the boundary. From-SVN: r202447
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/Makefile.in2
-rw-r--r--gcc/lto-cgraph.c37
3 files changed, 41 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f98817a..5979c51 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2013-09-10 Jan Hubicka <jh@suse.cz>
+ * lto-cgraph.c: Include ipa-utils.h.
+ (compute_ltrans_boundary): Also add possible targets into the boundary.
+
+2013-09-10 Jan Hubicka <jh@suse.cz>
+
* gimple-fold.c (gimple_get_virt_method_for_binfo): Pass real
VAR_DECL of vtable rather than full expression.
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index a72b753..7a3daec 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2194,7 +2194,7 @@ lto-cgraph.o: lto-cgraph.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
$(TREE_FLOW_H) $(CGRAPH_H) $(FUNCTION_H) $(GGC_H) $(DIAGNOSTIC_CORE_H) \
$(EXCEPT_H) $(TIMEVAR_H) pointer-set.h $(LTO_STREAMER_H) \
$(GCOV_IO_H) $(DATA_STREAMER_H) $(TREE_STREAMER_H) $(TREE_PASS_H) \
- profile.h $(CONTEXT_H) $(PASS_MANAGER_H)
+ profile.h $(CONTEXT_H) $(PASS_MANAGER_H) ipa-utils.h
lto-streamer-in.o: lto-streamer-in.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
$(TM_H) toplev.h $(DIAGNOSTIC_CORE_H) $(EXPR_H) $(FLAGS_H) $(PARAMS_H) \
input.h $(HASHTAB_H) $(BASIC_BLOCK_H) $(TREE_FLOW_H) $(TREE_PASS_H) \
diff --git a/gcc/lto-cgraph.c b/gcc/lto-cgraph.c
index fcba1b9..4eb443b 100644
--- a/gcc/lto-cgraph.c
+++ b/gcc/lto-cgraph.c
@@ -49,6 +49,7 @@ along with GCC; see the file COPYING3. If not see
#include "profile.h"
#include "context.h"
#include "pass_manager.h"
+#include "ipa-utils.h"
static void output_cgraph_opt_summary (void);
static void input_cgraph_opt_summary (vec<symtab_node> nodes);
@@ -766,6 +767,7 @@ compute_ltrans_boundary (lto_symtab_encoder_t in_encoder)
int i;
lto_symtab_encoder_t encoder;
lto_symtab_encoder_iterator lsei;
+ struct pointer_set_t *reachable_call_targets = pointer_set_create ();
encoder = lto_symtab_encoder_new (false);
@@ -837,9 +839,40 @@ compute_ltrans_boundary (lto_symtab_encoder_t in_encoder)
add_node_to (encoder, callee, false);
}
}
+ /* Add all possible targets for late devirtualization. */
+ if (flag_devirtualize)
+ for (edge = node->indirect_calls; edge; edge = edge->next_callee)
+ if (edge->indirect_info->polymorphic)
+ {
+ unsigned int i;
+ void *cache_token;
+ bool final;
+ vec <cgraph_node *>targets
+ = possible_polymorphic_call_targets
+ (edge, &final, &cache_token);
+ if (!pointer_set_insert (reachable_call_targets,
+ cache_token))
+ {
+ for (i = 0; i < targets.length(); i++)
+ {
+ struct cgraph_node *callee = targets[i];
+
+ /* Adding an external declarations into the unit serves
+ no purpose and just increases its boundary. */
+ if (callee->symbol.definition
+ && !lto_symtab_encoder_in_partition_p
+ (encoder, (symtab_node)callee))
+ {
+ gcc_assert (!callee->global.inlined_to);
+ add_node_to (encoder, callee, false);
+ }
+ }
+ }
+ }
}
- lto_symtab_encoder_delete (in_encoder);
- return encoder;
+ lto_symtab_encoder_delete (in_encoder);
+ pointer_set_destroy (reachable_call_targets);
+ return encoder;
}
/* Output the part of the symtab in SET and VSET. */