X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ftree-data-ref.c;h=ae0a06814792407228567727570dca391bf2da59;hb=c083265937e8ccdb925d029f405861e3e3bac8c8;hp=9e811daec43ccc45b483668b3c76b1f0ce30b811;hpb=a3e48a5b14c0500318db2e4a658849f02fa55b38;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c
index 9e811daec43..ae0a0681479 100644
--- a/gcc/tree-data-ref.c
+++ b/gcc/tree-data-ref.c
@@ -157,6 +157,14 @@ dump_data_references (FILE *file, VEC (data_reference_p, heap) *datarefs)
     dump_data_reference (file, dr);
 }
 
+/* Dump into STDERR all the data references from DATAREFS.  */ 
+
+void 
+debug_data_references (VEC (data_reference_p, heap) *datarefs)
+{
+  dump_data_references (stderr, datarefs);
+}
+
 /* Dump to STDERR all the dependence relations from DDRS.  */ 
 
 void 
@@ -178,6 +186,14 @@ dump_data_dependence_relations (FILE *file,
     dump_data_dependence_relation (file, ddr);
 }
 
+/* Print to STDERR the data_reference DR.  */
+
+void 
+debug_data_reference (struct data_reference *dr)
+{
+  dump_data_reference (stderr, dr);
+}
+
 /* Dump function for a DATA_REFERENCE structure.  */
 
 void 
@@ -4142,6 +4158,37 @@ find_data_references_in_stmt (struct loop *nest, gimple stmt,
   return ret;
 }
 
+/* Stores the data references in STMT to DATAREFS.  If there is an unanalyzable
+   reference, returns false, otherwise returns true.  NEST is the outermost
+   loop of the loop nest in which the references should be analyzed.  */
+
+bool
+graphite_find_data_references_in_stmt (struct loop *nest, gimple stmt,
+				       VEC (data_reference_p, heap) **datarefs)
+{
+  unsigned i;
+  VEC (data_ref_loc, heap) *references;
+  data_ref_loc *ref;
+  bool ret = true;
+  data_reference_p dr;
+
+  if (get_references_in_stmt (stmt, &references))
+    {
+      VEC_free (data_ref_loc, heap, references);
+      return false;
+    }
+
+  for (i = 0; VEC_iterate (data_ref_loc, references, i, ref); i++)
+    {
+      dr = create_data_ref (nest, *ref->pos, stmt, ref->is_read);
+      gcc_assert (dr != NULL);
+      VEC_safe_push (data_reference_p, heap, *datarefs, dr);
+    }
+
+  VEC_free (data_ref_loc, heap, references);
+  return ret;
+}
+
 /* Search the data references in LOOP, and record the information into
    DATAREFS.  Returns chrec_dont_know when failing to analyze a
    difficult case, returns NULL_TREE otherwise.  */