gcc/testsuite/gcc.dg/tree-ssa/vrp-float-11.c


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// { dg-do compile }
// { dg-options "-O2 -fno-thread-jumps -fdump-tree-evrp" }

extern void link_error ();

void fast_sqrt (float);

float test (float x)
{
  float y = x*x;
  if (y >= 0.f)
    { 
      if (__builtin_isnan (y))
	link_error ();
      else
	fast_sqrt (y);

      if (!__builtin_isnan (y))
	fast_sqrt (y);
      else
	link_error ();
    }
}

// { dg-final { scan-tree-dump-times "fast_sqrt" 2 "evrp" } }
// { dg-final { scan-tree-dump-not "link_error" "evrp" } }