gcc/testsuite/gnat.dg/atomic6_3.adb

-- { dg-do compile }
-- { dg-options "-fdump-tree-gimple" }

with Atomic6_Pkg; use Atomic6_Pkg;

procedure Atomic6_3 is

  function F (I : Integer) return Integer is
  begin
    return I;
  end;

  function F2 return Integer is
  begin
    return Integer(Counter1);
  end;

  function F3 return Integer is
  begin
    return Timer1;
  end;

  Temp : Integer;
begin

  Counter1 := Int(F(Integer(Counter2)));

  Timer1 := F(Timer2);

  Counter1 := Int(F(Timer1));
  Timer1 := F(Integer(Counter1));

  Temp := F(Integer(Counter1));
  Counter1 := Int(F(Temp));

  Temp := F(Timer1);
  Timer1 := F(Temp);

  Temp := F2;
  Temp := F3;

end;

-- { dg-final { scan-tree-dump-times "atomic_load\[^\n\r\]*&atomic6_pkg__counter1" 3 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_load\[^\n\r\]*&atomic6_pkg__counter2" 1 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_load\[^\n\r\]*&atomic6_pkg__timer1" 3 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_load\[^\n\r\]*&atomic6_pkg__timer2" 1 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_load\[^\n\r\]*&temp" 0 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_load\[^\n\r\]*ptr" 0 "gimple"} }

-- { dg-final { scan-tree-dump-times "atomic_store\[^\n\r\]*&atomic6_pkg__counter1" 3 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_store\[^\n\r\]*&atomic6_pkg__counter2" 0 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_store\[^\n\r\]*&atomic6_pkg__timer1" 3 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_store\[^\n\r\]*&atomic6_pkg__timer2" 0 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_store\[^\n\r\]*&temp" 0 "gimple"} }
-- { dg-final { scan-tree-dump-times "atomic_store\[^\n\r\]*ptr" 0 "gimple"} }