2012-04-03 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / tree-vect-loop.c

diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index 7f42a7d..1d0818c 100644 (file)
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -565,11 +565,15 @@ vect_analyze_scalar_cycles_1 (loop_vec_info loop_vinfo, struct loop *loop)
       /* Analyze the evolution function.  */
       access_fn = analyze_scalar_evolution (loop, def);
       if (access_fn)
-       STRIP_NOPS (access_fn);
-      if (access_fn && vect_print_dump_info (REPORT_DETAILS))
        {
-         fprintf (vect_dump, "Access function of PHI: ");
-         print_generic_expr (vect_dump, access_fn, TDF_SLIM);
+         STRIP_NOPS (access_fn);
+         if (vect_print_dump_info (REPORT_DETAILS))
+           {
+             fprintf (vect_dump, "Access function of PHI: ");
+             print_generic_expr (vect_dump, access_fn, TDF_SLIM);
+           }
+         STMT_VINFO_LOOP_PHI_EVOLUTION_PART (stmt_vinfo)
+           = evolution_part_in_loop_num (access_fn, loop->num);
        }
 
       if (!access_fn
@@ -579,6 +583,8 @@ vect_analyze_scalar_cycles_1 (loop_vec_info loop_vinfo, struct loop *loop)
          continue;
        }
 
+      gcc_assert (STMT_VINFO_LOOP_PHI_EVOLUTION_PART (stmt_vinfo) != NULL_TREE);
+
       if (vect_print_dump_info (REPORT_DETAILS))
        fprintf (vect_dump, "Detected induction.");
       STMT_VINFO_DEF_TYPE (stmt_vinfo) = vect_induction_def;