passes.c (ipa_write_summaries): Only modify statements if body is in memory.

	* passes.c (ipa_write_summaries): Only modify statements if body
	is in memory.
	* cgraphunit.c (ipa_passes): Also produce intermeidate code when
	incrementally linking.
	(ipa_passes): Likewise.
	* lto-cgraph.c (lto_output_node): When incrementally linking do not
	pass down resolution info.
	* common.opt (flag_incremental_link): Update info.
	* gcc.c (plugin specs): Turn flinker-output=* to
	-plugin-opt=-linker-output-known
	* toplev.c (compile_file): Also cut compilation when doing incremental
	link.
	* flag-types. (enum lto_partition_model): Add
	LTO_LINKER_OUTPUT_NOLTOREL.
	(invoke.texi): Add -flinker-output docs.
	* ipa.c (symbol_table::remove_unreachable_nodes): Handle LTO incremental
	link same way as WPA; do not stream in dead initializers.

	* dwarf2out.c (dwarf2out_die_ref_for_decl,
	darf2out_register_external_decl): Support incremental link.

	* lang.opt (lto_linker_output): Add nolto-rel.
	* lto-lang.c (lto_post_options): Handle LTO_LINKER_OUTPUT_REL
	and LTO_LINKER_OUTPUT_NOLTOREL.
	(lto_init): Generate lto when doing incremental link.
	* lto.c (lto_precess_name): Add lto1-inclink.

	* testsuite/g++.dg/lto/20081109-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081118_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081119-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081120-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081120-2_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081123_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081204-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20081219_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20090302_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20090313_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20091002-2_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20091002-3_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20091026-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20100724-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20101010-4_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20101015-2_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/20110311-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/pr45621_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/pr48042_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/pr48354-1_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/pr54625-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/pr54625-2_0.c: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/lto/pr68811_0.C: Add -flinker-output=nolto-rel.
	* testsuite/g++.dg/torture/pr43760.C: New test. Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081120-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081120-2_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081126_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081204-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081204-2_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081212-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20081224_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20090116_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20090126-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20090126-2_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20090206-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20090219_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20091013-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20091014-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20091015-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20091016-1_0.c: Add -flinker-output=nolto-rel.
	* testsuite/gcc.dg/lto/20091020-1_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20091020-2_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20091027-1_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20100426_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20100430-1_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20100603-1_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20100603-2_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20100603-3_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/20111213-1_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr45736_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr52634_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr54702_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr59323-2_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr59323_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr60820_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr81406_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gcc.dg/lto/pr83388_0.c: Add -flinker-output-nolto-rel.
	* testsuite/gfortran.dg/lto/20091016-1_0.f90: Add -flinker-output-nolto-rel.
	* testsuite/gfortran.dg/lto/20091028-1_0.f90: Add -flinker-output-nolto-rel.
	* testsuite/gfortran.dg/lto/20091028-2_0.f90: Add -flinker-output-nolto-rel.
	* testsuite/gfortran.dg/lto/pr46911_0.f: Add -flinker-output-nolto-rel.
	* testsuite/gfortran.dg/lto/pr47839_0.f90: Add -flinker-output-nolto-rel.

From-SVN: r260963

1 files changed, 12 insertions, 8 deletions

diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index c05bfe4..3a24225 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -5860,7 +5860,8 @@ dwarf2out_die_ref_for_decl (tree decl, const char **sym,
 {
   dw_die_ref die;
 
-  if (flag_wpa && !decl_die_table)
+  if ((flag_wpa || flag_incremental_link == INCREMENTAL_LINK_LTO)
+      && !decl_die_table)
     return false;
 
   if (TREE_CODE (decl) == BLOCK)
@@ -5870,10 +5871,11 @@ dwarf2out_die_ref_for_decl (tree decl, const char **sym,
   if (!die)
     return false;
 
-  /* During WPA stage we currently use DIEs to store the
-     decl <-> label + offset map.  That's quite inefficient but it
-     works for now.  */
-  if (flag_wpa)
+  /* During WPA stage and incremental linking we currently use DIEs
+     to store the decl <-> label + offset map.  That's quite inefficient
+     but it works for now.  */
+  if (flag_wpa
+      || flag_incremental_link == INCREMENTAL_LINK_LTO)
     {
       dw_die_ref ref = get_AT_ref (die, DW_AT_abstract_origin);
       if (!ref)
@@ -5924,7 +5926,8 @@ dwarf2out_register_external_die (tree decl, const char *sym,
   if (debug_info_level == DINFO_LEVEL_NONE)
     return;
 
-  if (flag_wpa && !decl_die_table)
+  if ((flag_wpa
+       || flag_incremental_link == INCREMENTAL_LINK_LTO) && !decl_die_table)
     decl_die_table = hash_table<decl_die_hasher>::create_ggc (1000);
 
   dw_die_ref die
@@ -5959,7 +5962,8 @@ dwarf2out_register_external_die (tree decl, const char *sym,
 	parent = BLOCK_DIE (ctx);
       else if (TREE_CODE (ctx) == TRANSLATION_UNIT_DECL
 	       /* Keep the 1:1 association during WPA.  */
-	       && !flag_wpa)
+	       && !flag_wpa
+	       && flag_incremental_link != INCREMENTAL_LINK_LTO)
 	/* Otherwise all late annotations go to the main CU which
 	   imports the original CUs.  */
 	parent = comp_unit_die ();
@@ -5980,7 +5984,7 @@ dwarf2out_register_external_die (tree decl, const char *sym,
   switch (TREE_CODE (decl))
     {
     case TRANSLATION_UNIT_DECL:
-      if (! flag_wpa)
+      if (! flag_wpa && flag_incremental_link != INCREMENTAL_LINK_LTO)
 	{
 	  die = comp_unit_die ();
 	  dw_die_ref import = new_die (DW_TAG_imported_unit, die, NULL_TREE);