add testcase

From-SVN: r228401

gcc/testsuite/ChangeLog

+2015-10-02  Sebastian Pop  <s.pop@samsung.com>
+
+	* gcc.dg/graphite/scop-23.c: New.
+
 2015-10-02  Kirill Yukhin  <kirill.yukhin@intel.com>
 
 	* gcc.target/i386/builtin_target.c: Handle "avx512ifma"

gcc/testsuite/gcc.dg/graphite/scop-23.c

+int toto()
+{
+  int i,j, b;
+  int a[100];
+
+  if (i == 20)
+    {
+      for (j = 0; j <= 20; j++)
+        a[j] = b + i;
+      for (j = 2; j <= 23; j++)
+        a[j] = b + i;
+      b = 3;
+    }
+  else if (i == 12)
+    {
+      if (i == 30)
+	{
+          for (j = 0; j <= 30; j++)
+            a[j] = b + i;
+	  b = 5;
+	}
+      else
+	{
+          for (j = 0; j <= 40; j++)
+            a[j] = b + i;
+	  b = 8;
+	}
+    }
+  else if (i == 10)
+    {
+      b = 8;
+    }
+
+  for (j = 0; j <= 40; j++)
+    a[j] = b + i;
+
+  return a[b];
+}
+
+/* { dg-final { scan-tree-dump-times "number of SCoPs: 1" 1 "graphite"} } */