File: 20040624-1.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom2" } */
  
void bar1 (void);
void bar2 (void);

void
foo (unsigned int a, unsigned int b)
{
  if (a >= b)
    bar1 ();
  else if (a <= b)
    bar2 ();
}

/* The second conditional is redundant since we know it must be
   true (to reach the second condition we know a < b via the first
   conditional.  */

/* { dg-final { scan-tree-dump-times "if " 1 "dom2" } } */