Remove individial dependence pointers and add a scop::dependence to contain all the dependence.

Removed the member variables which are only used in scop_get_dependence. Instead
only maintaining the overall dependence. Passes regtest and bootstrap.

gcc/ChangeLog:

2015-12-15  hiraditya  <hiraditya@msn.com>

        * graphite-dependences.c (scop_get_dependences): Use local pointers.
        * graphite-isl-ast-to-gimple.c(translate_isl_ast_to_gimple::scop_to_isl_ast):
          Use scop->dependence.
        * graphite-optimize-isl.c (optimize_isl): Same.
        * graphite-poly.c (new_scop): Remove initialization of removed members.
        (free_scop): Same.
        * graphite.h (struct scop): Remove individial dependence pointers and
        add a scop::dependence to contain all the dependence.

From-SVN: r231708

1 files changed, 2 insertions, 7 deletions

diff --git a/gcc/graphite.h b/gcc/graphite.h
index 099e4108d35..ba91dfa4d25 100644
--- a/gcc/graphite.h
+++ b/gcc/graphite.h
@@ -411,13 +411,8 @@ struct scop
   /* The context used internally by ISL.  */
   isl_ctx *isl_context;
 
-  /* The original dependence relations:
-     RAW are read after write dependences,
-     WAR are write after read dependences,
-     WAW are write after write dependences.  */
-  isl_union_map *must_raw, *may_raw, *must_raw_no_source, *may_raw_no_source,
-    *must_war, *may_war, *must_war_no_source, *may_war_no_source,
-    *must_waw, *may_waw, *must_waw_no_source, *may_waw_no_source;
+  /* The data dependence relation among the data references in this scop.  */
+  isl_union_map *dependence;
 };
 
 extern scop_p new_scop (edge, edge);