gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-16.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-ccp1" } */
   3
   4 static const int x;
   5
   6 int test1 (void)
   7 {
   8   char *p = "hello";
   9   int i = x;
  10   i = i + 5;
  11   return p[i];
  12 }
  13
  14 int test2 (void)
  15 {
  16   int i = x;
  17   i = i + 5;
  18   return "hello"[i];
  19 }
  20
  21 /* { dg-final { scan-tree-dump-times "return 0;" 2 "ccp1" } } */
  22 /* { dg-final { cleanup-tree-dump "ccp1" } } */