lto-cgraph.c: Include gcov-io.h

	* lto-cgraph.c: Include gcov-io.h
	(output_profile_summary): New function.
	(output_cgraph): Use it.
	(input_profile_summary): New function.
	(input_cgraph): Use it.
	* coverage.c (build_ctr_info_value): Use varpool; initalize
	DECL_ASSEMBLER_NAME.
	(create_coverage): Likewise.
	* tree-profile.c (tree_init_ic_make_global_vars): Likewise.
	(tree_init_edge_profiler): Likewise.
	* Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.

From-SVN: r154100

5 files changed, 80 insertions, 5 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 87e6fb4..d3cf1951 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2009-11-11  Jan Hubicka  <jh@suse.cz>
+
+	* lto-cgraph.c: Include gcov-io.h
+	(output_profile_summary): New function.
+	(output_cgraph): Use it.
+	(input_profile_summary): New function.
+	(input_cgraph): Use it.
+	* coverage.c (build_ctr_info_value): Use varpool; initalize
+	DECL_ASSEMBLER_NAME.
+	(create_coverage): Likewise.
+	* tree-profile.c (tree_init_ic_make_global_vars): Likewise.
+	(tree_init_edge_profiler): Likewise.
+	* Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
+
 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
 
 	* config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO):
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index f66f9ef..4e15309 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2199,7 +2199,7 @@ lto-cgraph.o: lto-cgraph.c $(CONFIG_H) $(SYSTEM_H) coretypes.h   \
    $(TM_H) $(TOPLEV_H) $(EXPR_H) $(FLAGS_H) $(PARAMS_H) input.h \
    $(VARRAY_H) $(HASHTAB_H) langhooks.h $(BASIC_BLOCK_H) \
    $(TREE_FLOW_H) $(CGRAPH_H) $(FUNCTION_H) $(GGC_H) $(DIAGNOSTIC_H) \
-   except.h $(TIMEVAR_H) output.h pointer-set.h $(LTO_STREAMER_H)
+   except.h $(TIMEVAR_H) output.h pointer-set.h $(LTO_STREAMER_H) $(GCOV_IO_H)
 lto-streamer-in.o: lto-streamer-in.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
    $(TM_H) $(TOPLEV_H) $(EXPR_H) $(FLAGS_H) $(PARAMS_H) input.h $(VARRAY_H) \
    $(HASHTAB_H) $(BASIC_BLOCK_H) $(TREE_FLOW_H) $(TREE_PASS_H) $(CGRAPH_H) \
diff --git a/gcc/coverage.c b/gcc/coverage.c
index ebdc696..a223bc0 100644
--- a/gcc/coverage.c
+++ b/gcc/coverage.c
@@ -776,7 +776,7 @@ build_ctr_info_value (unsigned int counter, tree type)
       TREE_TYPE (tree_ctr_tables[counter]) = array_type;
       DECL_SIZE (tree_ctr_tables[counter]) = TYPE_SIZE (array_type);
       DECL_SIZE_UNIT (tree_ctr_tables[counter]) = TYPE_SIZE_UNIT (array_type);
-      assemble_variable (tree_ctr_tables[counter], 0, 0, 0);
+      varpool_finalize_decl (tree_ctr_tables[counter]);
 
       value = tree_cons (fields,
 			 build1 (ADDR_EXPR, TREE_TYPE (fields), 
@@ -795,6 +795,7 @@ build_ctr_info_value (unsigned int counter, tree type)
   TREE_PUBLIC (fn) = 1;
   DECL_ARTIFICIAL (fn) = 1;
   TREE_NOTHROW (fn) = 1;
+  DECL_ASSEMBLER_NAME (fn);  /* Initialize assembler name so we can stream out. */
   value = tree_cons (fields,
 		     build1 (ADDR_EXPR, TREE_TYPE (fields), fn),
 		     value);
@@ -971,7 +972,7 @@ create_coverage (void)
   DECL_INITIAL (gcov_info) = t;
 
   /* Build structure.  */
-  assemble_variable (gcov_info, 0, 0, 0);
+  varpool_finalize_decl (gcov_info);
 
   /* Build a decl for __gcov_init.  */
   t = build_pointer_type (TREE_TYPE (gcov_info));
@@ -980,6 +981,7 @@ create_coverage (void)
 		  FUNCTION_DECL, get_identifier ("__gcov_init"), t);
   TREE_PUBLIC (t) = 1;
   DECL_EXTERNAL (t) = 1;
+  DECL_ASSEMBLER_NAME (t);  /* Initialize assembler name so we can stream out. */
   gcov_init = t;
 
   /* Generate a call to __gcov_init(&gcov_info).  */
diff --git a/gcc/lto-cgraph.c b/gcc/lto-cgraph.c
index 6b340a3..38d02b8 100644
--- a/gcc/lto-cgraph.c
+++ b/gcc/lto-cgraph.c
@@ -45,6 +45,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "output.h"
 #include "pointer-set.h"
 #include "lto-streamer.h"
+#include "gcov-io.h"
 
 /* Create a new cgraph encoder.  */
 
@@ -307,6 +308,24 @@ lto_output_node (struct lto_simple_output_block *ob, struct cgraph_node *node,
   lto_output_uleb128_stream (ob->main_stream, node->global.inlined);
 }
 
+/* Stream out profile_summary to OB.  */
+
+static void
+output_profile_summary (struct lto_simple_output_block *ob)
+{
+  if (profile_info)
+    {
+      /* We do not output num, it is not terribly useful.  */
+      gcc_assert (profile_info->runs);
+      lto_output_uleb128_stream (ob->main_stream, profile_info->runs);
+      lto_output_sleb128_stream (ob->main_stream, profile_info->sum_all);
+      lto_output_sleb128_stream (ob->main_stream, profile_info->run_max);
+      lto_output_sleb128_stream (ob->main_stream, profile_info->sum_max);
+    }
+  else
+    lto_output_uleb128_stream (ob->main_stream, 0);
+}
+
 
 /* Output the part of the cgraph in SET.  */
 
@@ -324,6 +343,8 @@ output_cgraph (cgraph_node_set set)
 
   ob = lto_create_simple_output_block (LTO_section_cgraph);
 
+  output_profile_summary (ob);
+
   /* An encoder for cgraph nodes should have been created by
      ipa_write_summaries_1.  */
   gcc_assert (ob->decl_state->cgraph_node_encoder);
@@ -642,6 +663,35 @@ input_cgraph_1 (struct lto_file_decl_data *file_data,
   VEC_free (cgraph_node_ptr, heap, nodes);
 }
 
+static struct gcov_ctr_summary lto_gcov_summary;
+
+/* Input profile_info from IB.  */
+static void
+input_profile_summary (struct lto_input_block *ib)
+{
+  unsigned int runs = lto_input_uleb128 (ib);
+  if (runs)
+    {
+      if (!profile_info)
+        {
+	  profile_info = &lto_gcov_summary;
+	  lto_gcov_summary.runs = runs;
+	  lto_gcov_summary.sum_all = lto_input_sleb128 (ib);
+	  lto_gcov_summary.run_max = lto_input_sleb128 (ib);
+	  lto_gcov_summary.sum_max = lto_input_sleb128 (ib);
+	}
+      /* We can support this by scaling all counts to nearest common multiple
+         of all different runs, but it is perhaps not worth the effort.  */
+      else if (profile_info->runs != runs
+	       || profile_info->sum_all != lto_input_sleb128 (ib)
+	       || profile_info->run_max != lto_input_sleb128 (ib)
+	       || profile_info->sum_max != lto_input_sleb128 (ib))
+	sorry ("Combining units with different profiles is not supported.");
+      /* We allow some units to have profile and other to not have one.  This will
+         just make unprofiled units to be size optimized that is sane.  */
+    }
+
+}
 
 /* Input and merge the cgraph from each of the .o files passed to
    lto1.  */
@@ -662,6 +712,7 @@ input_cgraph (void)
 
       ib = lto_create_simple_input_block (file_data, LTO_section_cgraph, 
 					  &data, &len);
+      input_profile_summary (ib);
       file_data->cgraph_node_encoder = lto_cgraph_encoder_new ();
       input_cgraph_1 (file_data, ib);
       lto_destroy_simple_input_block (file_data, LTO_section_cgraph, 
diff --git a/gcc/tree-profile.c b/gcc/tree-profile.c
index 95ab49a..2b75461 100644
--- a/gcc/tree-profile.c
+++ b/gcc/tree-profile.c
@@ -82,7 +82,7 @@ tree_init_ic_make_global_vars (void)
   TREE_PUBLIC (ic_void_ptr_var) = 0;
   DECL_ARTIFICIAL (ic_void_ptr_var) = 1;
   DECL_INITIAL (ic_void_ptr_var) = NULL;
-  assemble_variable (ic_void_ptr_var, 0, 0, 0);
+  varpool_finalize_decl (ic_void_ptr_var);
 
   gcov_type_ptr = build_pointer_type (get_gcov_type ());
   ic_gcov_type_ptr_var 
@@ -93,7 +93,7 @@ tree_init_ic_make_global_vars (void)
   TREE_PUBLIC (ic_gcov_type_ptr_var) = 0;
   DECL_ARTIFICIAL (ic_gcov_type_ptr_var) = 1;
   DECL_INITIAL (ic_gcov_type_ptr_var) = NULL;
-  assemble_variable (ic_gcov_type_ptr_var, 0, 0, 0);
+  varpool_finalize_decl (ic_gcov_type_ptr_var);
 }
 
 static void
@@ -159,6 +159,14 @@ tree_init_edge_profiler (void)
       tree_ior_profiler_fn
 	      = build_fn_decl ("__gcov_ior_profiler",
 				     average_profiler_fn_type);
+      /* LTO streamer needs assembler names.  Because we create these decls
+         late, we need to initialize them by hand.  */
+      DECL_ASSEMBLER_NAME (tree_interval_profiler_fn);
+      DECL_ASSEMBLER_NAME (tree_pow2_profiler_fn);
+      DECL_ASSEMBLER_NAME (tree_one_value_profiler_fn);
+      DECL_ASSEMBLER_NAME (tree_indirect_call_profiler_fn);
+      DECL_ASSEMBLER_NAME (tree_average_profiler_fn);
+      DECL_ASSEMBLER_NAME (tree_ior_profiler_fn);
     }
 }