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-rw-r--r--gcc/graphite-scop-detection.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c
index 60cb95b..9fdf6b3 100644
--- a/gcc/graphite-scop-detection.c
+++ b/gcc/graphite-scop-detection.c
@@ -1445,12 +1445,15 @@ build_scops (VEC (scop_p, heap) **scops)
VEC_length (scop_p, *scops));
}
-/* Pretty print all SCoPs in DOT format and mark them with different colors.
- If there are not enough colors, paint later SCoPs gray.
+/* Pretty print to FILE all the SCoPs in DOT format and mark them with
+ different colors. If there are not enough colors, paint the
+ remaining SCoPs in gray.
+
Special nodes:
- - "*" after the node number: entry of a SCoP,
- - "#" after the node number: exit of a SCoP,
- - "()" entry or exit not part of SCoP. */
+ - "*" after the node number denotes the entry of a SCoP,
+ - "#" after the node number denotes the exit of a SCoP,
+ - "()" around the node number denotes the entry or the
+ exit nodes of the SCOP. These are not part of SCoP. */
static void
dot_all_scops_1 (FILE *file, VEC (scop_p, heap) *scops)