summaryrefslogtreecommitdiff
path: root/gcc/lto-streamer-out.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/lto-streamer-out.c')
-rw-r--r--gcc/lto-streamer-out.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c
index c629a9f871b..17042d5c134 100644
--- a/gcc/lto-streamer-out.c
+++ b/gcc/lto-streamer-out.c
@@ -1117,7 +1117,11 @@ lto_output_ts_binfo_tree_pointers (struct output_block *ob, tree expr,
lto_output_tree_or_ref (ob, BINFO_OFFSET (expr), ref_p);
lto_output_tree_or_ref (ob, BINFO_VTABLE (expr), ref_p);
- lto_output_tree_or_ref (ob, BINFO_VIRTUALS (expr), ref_p);
+ /* BINFO_VIRTUALS is used to drive type based devirtualizatoin. It often links
+ together large portions of programs making it harder to partition. Becuase
+ devirtualization is interesting before inlining, only, there is no real
+ need to ship it into ltrans partition. */
+ lto_output_tree_or_ref (ob, flag_wpa ? NULL : BINFO_VIRTUALS (expr), ref_p);
lto_output_tree_or_ref (ob, BINFO_VPTR_FIELD (expr), ref_p);
output_uleb128 (ob, VEC_length (tree, BINFO_BASE_ACCESSES (expr)));