gcc/testsuite/gcc.dg/strict-overflow-1.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-1.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 - 5 < 10;
  13 }
  14
  15 /* { dg-final { scan-tree-dump-not "-\[ \]*5" "optimized" } } */
  16 /* { dg-final { cleanup-tree-dump "optimized" } } */