Use symtab_node::order in LTO sections with body.

2019-10-30  Martin Liska  <mliska@suse.cz>

	PR lto/91393
	PR lto/88220
	* cgraph.c (cgraph_node::get_create): Overwrite node->order
	from a first_clone in order to get proper LTO section
	in LTO stream.
	(cgraph_node::get_untransformed_body):
	Use lto_get_section_data where symtab_node::order
	must be provided.
	* cgraphclones.c (cgraph_node::find_replacement):
	Update also symbol order.
	* ipa-fnsummary.c (ipa_fn_summary_read):
	Use new function lto_get_summary_section_data.
	* ipa-hsa.c (ipa_hsa_read_summary): Likewise.
	* ipa-icf.c (sem_item_optimizer::read_summary):
	Likewise.
	* ipa-prop.c (ipa_prop_read_jump_functions):
	Likewise.
	(ipcp_read_transformation_summaries): Likewise.
	* ipa-sra.c (ipa_sra_read_summary): Likewise.
	* lto-cgraph.c (input_node): Add also order_base.
	(input_varpool_node): Likewise.
	(input_cgraph_1): Assign the order_base.
	(input_cgraph_opt_summary): Use new lto_get_summary_section_data.
	* lto-opts.c (lto_write_options): Pass new argument.
	* lto-section-in.c (lto_get_section_data): Add new argumente order.
	(lto_get_summary_section_data): New.
	(lto_get_raw_section_data): Add order argument.
	(lto_create_simple_input_block): Likewise.
	* lto-section-out.c (lto_destroy_simple_output_block):
	Likewise.
	* lto-streamer-in.c (lto_input_toplevel_asms):
	Use lto_get_summary_section_data.
	(lto_input_mode_table): Likewise.
	* lto-streamer-out.c (produce_asm): Pass symtab_node::order.
	(lto_output_toplevel_asms): Pass new argument.
	(copy_function_or_variable): Likewise.
	(produce_lto_section):Likewise.
	(produce_symtab): Likewise.
	(lto_write_mode_table): Likewise.
	(produce_asm_for_decls): Likewise.
	* lto-streamer.c (lto_get_section_name): Concat symbol name
	and symbol order.
	* lto-streamer.h (lto_get_section_data): Add order argument.
	(lto_get_summary_section_data): New.
	(lto_get_raw_section_data): Add order argument.
	(lto_get_section_name): Likewise.
	* varpool.c (varpool_node::get_constructor): Pass order argument.
2019-10-30  Martin Liska  <mliska@suse.cz>

	PR lto/91393
	PR lto/88220
	* lto-common.c (lto_file_finalize): Use lto_get_summary_section_data.
	(get_section_data): Add order argument.
2019-10-30  Martin Liska  <mliska@suse.cz>

	PR lto/91393
	PR lto/88220
	* gcc.dg/lto/pr91393_0.c: New test.

From-SVN: r277607

1 files changed, 19 insertions, 5 deletions

diff --git a/gcc/lto-section-in.c b/gcc/lto-section-in.c
index 60f111f..67d9984 100644
--- a/gcc/lto-section-in.c
+++ b/gcc/lto-section-in.c
@@ -131,10 +131,11 @@ struct lto_data_header
 const char *
 lto_get_section_data (struct lto_file_decl_data *file_data,
 		      enum lto_section_type section_type,
-		      const char *name,
+		      const char *name, int order,
 		      size_t *len, bool decompress)
 {
-  const char *data = (get_section_f) (file_data, section_type, name, len);
+  const char *data = (get_section_f) (file_data, section_type, name, order,
+				      len);
   const size_t header_length = sizeof (struct lto_data_header);
   struct lto_data_header *header;
   struct lto_buffer buffer;
@@ -172,15 +173,27 @@ lto_get_section_data (struct lto_file_decl_data *file_data,
   return data;
 }
 
+/* Return a char pointer to the start of a data stream for an LTO pass.
+   FILE_DATA indicates where to obtain the data.
+   SECTION_TYPE is the type of information to be obtained.
+   LEN is the size of the data returned.  */
+
+const char *
+lto_get_summary_section_data (struct lto_file_decl_data *file_data,
+			      enum lto_section_type section_type, size_t *len)
+{
+  return lto_get_section_data (file_data, section_type, NULL, 0, len);
+}
+
 /* Get the section data without any header parsing or uncompression.  */
 
 const char *
 lto_get_raw_section_data (struct lto_file_decl_data *file_data,
 			  enum lto_section_type section_type,
-			  const char *name,
+			  const char *name, int order,
 			  size_t *len)
 {
-  return (get_section_f) (file_data, section_type, name, len);
+  return (get_section_f) (file_data, section_type, name, order, len);
 }
 
 /* Free the data found from the above call.  The first three
@@ -235,7 +248,8 @@ lto_create_simple_input_block (struct lto_file_decl_data *file_data,
 			       enum lto_section_type section_type,
 			       const char **datar, size_t *len)
 {
-  const char *data = lto_get_section_data (file_data, section_type, NULL, len);
+  const char *data = lto_get_section_data (file_data, section_type, NULL, 0,
+					   len);
   const struct lto_simple_header * header
     = (const struct lto_simple_header *) data;