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authorAlexandre Oliva <oliva@adacore.com>2018-07-31 21:19:25 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2018-07-31 21:19:25 +0000
commitb348c78aa4ab72ea533a01ad24311f45b0b4f4cb (patch)
tree9077f5e87e913aebb0359956c2af7b904205d824 /gcc/lto-streamer-out.c
parentfa6fd7b7afece6e0cfe197c9419ea3346d3c60b2 (diff)
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Save discriminator info for LTO
for gcc/ChangeLog * gimple-streamer-in.c (input_bb): Restore BB discriminator. * gimple-streamer-out.c (output_bb): Save it. * lto-streamer-in.c (input_struct_function_base): Restore instance discriminator if available. Create map on demand. * lto-streamer-out.c (output_struct_function_base): Save it if available. * final.c (decl_to_instance_map): Document LTO strategy. From-SVN: r263183
Diffstat (limited to 'gcc/lto-streamer-out.c')
-rw-r--r--gcc/lto-streamer-out.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c
index 78b90e7..9e28d67 100644
--- a/gcc/lto-streamer-out.c
+++ b/gcc/lto-streamer-out.c
@@ -2038,6 +2038,14 @@ output_struct_function_base (struct output_block *ob, struct function *fn)
stream_output_location (ob, &bp, fn->function_start_locus);
stream_output_location (ob, &bp, fn->function_end_locus);
+ /* Save the instance discriminator if present. */
+ int *instance_number_p = NULL;
+ if (decl_to_instance_map)
+ instance_number_p = decl_to_instance_map->get (fn->decl);
+ bp_pack_value (&bp, !!instance_number_p, 1);
+ if (instance_number_p)
+ bp_pack_value (&bp, *instance_number_p, sizeof (int) * CHAR_BIT);
+
streamer_write_bitpack (&bp);
}