File: vrp106.c

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gcc-arm-none-eabi 15%3A7-2018-q2-5
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/* PR tree-optimization/18046  */
/* { dg-options "-O2 -fdump-tree-vrp1-details" }  */
/* { dg-final { scan-tree-dump-times "Threaded jump" 1 "vrp1" } }  */
/* During VRP we expect to thread the true arm of the conditional through the switch
   and to the BB that corresponds to the 7 ... 9 case label.  */
extern void foo (void);
extern void bar (void);
extern void baz (void);

void
test (int i)
{
  if (i >= 7 && i <= 8)
    foo ();

  switch (i)
  {
    case 1:
      bar ();
      break;
    case 7:
    case 8:
    case 9:
      baz ();
      break;
  }
}