public void FindUsesAndDefines()
{
Defines = new List <String>();
Uses = new List <String>();
if (Kind == CStatement.Kinds.Assignment && Op1.Kind == CStatement.OperandKinds.Variable)
{
Defines.Add(Op1.Name);
}
else
{
if (Op1 != null)
{
List <String> uses = Op1.GetUses();
if (uses != null)
{
Uses.AddRange(uses);
}
}
}
if (Op2 != null)
{
List <String> uses = Op2.GetUses();
if (uses != null)
{
Uses.AddRange(uses);
}
}
if (Condition != null)
{
if (Condition.Op1 != null)
{
List <String> uses = Condition.Op1.GetUses();
if (uses != null)
{
Uses.AddRange(uses);
}
}
if (Condition.Op2 != null)
{
List <String> uses = Condition.Op2.GetUses();
if (uses != null)
{
Uses.AddRange(uses);
}
}
}
if (BranchDestinationRegister != null)
{
Uses.Add(BranchDestinationRegister);
}
if (Kind == Kinds.Call)
{
Defines.AddRange(new String[] { "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" });
if (CalledFunction != null && CalledFunction.ArgCount != -1)
{
for (int i = 0; i < CalledFunction.ArgCount; i++)
{
Uses.Add("r" + (i + 3));
}
}
else
{
Uses.AddRange(new String[] { "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10" });
}
}
}