gcc/testsuite/gcc.dg/strict-overflow-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fstrict-overflow -O2 -fdump-tree-optimized" } */
   3
   4 /* Source: Ian Lance Taylor.  Dual of no-strict-overflow-4.c.  */
   5
   6 /* We can only simplify the conditional when using strict overflow
   7    semantics.  */
   8
   9 int
  10 foo (int i)
  11 {
  12   return i + 1 > i;
  13 }
  14
  15 /* We expect to see "<bb N>"; confirm that, so that we know to count
  16    it in the real test.  */
  17 /* { dg-final { scan-tree-dump-times "<bb\[^>\]*>" 1 "optimized" } } */
  18 /* { dg-final { scan-tree-dump-times ">|<" 2 "optimized" } } */
  19 /* { dg-final { cleanup-tree-dump "optimized" } } */