gcc-4.9/gcc/testsuite/gcc.dg/fold-compare-2.c


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/* { dg-do compile } */
/* { dg-options "-O2 -fno-tree-tail-merge -fdump-tree-vrp" } */

extern void abort (void);

int a;

int
main(void)
{
  if (a * 1000 < 0)
    abort ();
  if (a * -43 > 0)
    abort ();
  return 0;
}

/* { dg-final { scan-tree-dump-times "Removing basic block" 2 "vrp" } } */
/* { dg-final { cleanup-tree-dump "vrp" } } */