Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-vrp1-details" } */

extern void abort ();

int tree_code_length[100];

blah (int code1)

{

  unsigned char D18670;

  if (code1 != 53) goto L0; else goto L1;

L0:

  abort ();

L1:

  D18670 = tree_code_length[53];

  if (D18670 <= 1) goto L2; else goto L3;

L2:

  abort ();

L3:

  if (D18670 == 2) goto L4; else goto L5;

L4:

  abort ();

L5:

  arf ();

  if (code1 != 53) goto L6; else goto L7;

L6:

  abort ();

L7:

  if (D18670 <= 2) goto L8; else goto L9;

L8:

  abort ();

L9:

  return;

}

/* The second test of (code1 != 53) and the test (D18670 <= 2) are

   both totally subsumed by earlier tests and thus should be folded

   away using VRP.  */

/* { dg-final { scan-tree-dump-times "Folding predicate" 2 "vrp1" } } */

/* { dg-final { cleanup-tree-dump "vrp1" } } */