summaryrefslogtreecommitdiff
path: root/gcc/cfg.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cfg.c')
-rw-r--r--gcc/cfg.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/cfg.c b/gcc/cfg.c
index 9c6c939139c..cfada7395db 100644
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -446,6 +446,21 @@ check_bb_profile (basic_block bb, FILE * file, int indent, int flags)
(flags & TDF_COMMENT) ? ";; " : "", s_indent,
(int) lsum, (int) bb->count);
}
+ if (BB_PARTITION (bb) == BB_COLD_PARTITION)
+ {
+ /* Warn about inconsistencies in the partitioning that are
+ currently caused by profile insanities created via optimization. */
+ if (!probably_never_executed_bb_p (fun, bb))
+ fprintf (file, "%s%sBlock in cold partition with hot count\n",
+ (flags & TDF_COMMENT) ? ";; " : "", s_indent);
+ FOR_EACH_EDGE (e, ei, bb->preds)
+ {
+ if (!probably_never_executed_edge_p (fun, e))
+ fprintf (file,
+ "%s%sBlock in cold partition with incoming hot edge\n",
+ (flags & TDF_COMMENT) ? ";; " : "", s_indent);
+ }
+ }
}
void