gcc/testsuite/gcc.dg/fold-compare-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-tree-tail-merge -fdump-tree-vrp1" } */
   3
   4 extern void abort (void);
   5
   6 int a;
   7
   8 int
   9 main(void)
  10 {
  11   if (a * 1000 < 0)
  12     abort ();
  13   if (a * -43 > 0)
  14     abort ();
  15   return 0;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "Removing basic block" 2 "vrp1" } } */
  19 /* { dg-final { cleanup-tree-dump "vrp1" } } */
  20