rt_gccstream/gcc/testsuite/g++.dg/opt/nrv13.C

43 lines
731 B
C

// PR tree-optimization/32353
// { dg-do run }
// { dg-options "-O2" }
extern "C" void abort ();
struct A
{
int f;
A (int x) : f (x) {}
};
A
foo (const A &x, const A &y)
{
A r (0);
r = x.f == -111 ? y : (y.f == -111 || x.f > y.f) ? x : y;
A s (0);
r = r.f == -111 ? s : (r.f > s.f) ? r : s;
return r;
}
int
main ()
{
if (foo (A (0), A (1)).f != 1)
abort ();
if (foo (A (1), A (9)).f != 9)
abort ();
if (foo (A (9), A (1)).f != 9)
abort ();
if (foo (A (-4), A (-5)).f != 0)
abort ();
if (foo (A (-111), A (-111)).f != 0)
abort ();
if (foo (A (2), A (-111)).f != 2)
abort ();
if (foo (A (-111), A (6)).f != 6)
abort ();
if (foo (A (-111), A (-4)).f != 0)
abort ();
}