public static void EmitStaticConstructorCheck(LIRMethod m, IRType targetType, IRType curType, bool forceEmit = false)
{
if (targetType.HasStaticConstructor && (forceEmit || targetType != curType))
{
var con = targetType.StaticConstructor;
if (
(
con.Instructions.Count == 1 &&
con.Instructions[0].Opcode == IROpcode.Return
) ||
(
con.Instructions.Count == 2 &&
con.Instructions[0].Opcode == IROpcode.Nop &&
con.Instructions[1].Opcode == IROpcode.Return
)
)
{
// We don't need a static constructor call
}
else
{
StaticConstructorCalledEmittableDataItem d = null;
if (!KnownStaticConstructors.TryGetValue(targetType, out d))
{
d = new StaticConstructorCalledEmittableDataItem(targetType);
m.CompileUnit.AddData(d);
KnownStaticConstructors.Add(targetType, d);
}
new LIRInstructions.Comment(m, "Static Constructor Check");
var c = m.RequestLocal(targetType.Assembly.AppDomain.System_Boolean);
new LIRInstructions.Move(m, new Indirect(d.Label), c, targetType.Assembly.AppDomain.System_Boolean);
Label called = new Label();
new LIRInstructions.BranchTrue(m, c, called);
m.ReleaseLocal(c);
new LIRInstructions.Move(m, (LIRImm)1, new Indirect(d.Label), targetType.Assembly.AppDomain.System_Boolean);
new LIRInstructions.Call(m, con);
m.MarkLabel(called);
}
}
}