public static void SpecialAssignAny(IReference lhs, Expression rhs)
{
var f=FuncBuilder.Instance;
var lhsWasLivePriorToThisAssignment=f.IsLive(lhs);
var rhsReadable=rhs.EvaluateTo(lhs);
if(!ReferenceEquals(lhs, rhsReadable)) {
var lhsReg=lhs.ProposeRegisterOrScratch0();
var rhsReg=rhsReadable.ToRegister(lhsReg);
lhs.FromRegister(rhsReg);
}
//Don't decide that a variable is live just because it was referenced (or it was used as temporary storage)
//in its very-own assignment.
if(!lhsWasLivePriorToThisAssignment) {
f.UndoNoteRead(new[] {lhs});
}
}
public static void SpecialAssignAny(IReference lhs, Expression rhs)
{
var f = FuncBuilder.Instance;
var lhsWasLivePriorToThisAssignment = f.IsLive(lhs);
var rhsReadable = rhs.EvaluateTo(lhs);
if (!ReferenceEquals(lhs, rhsReadable))
{
var lhsReg = lhs.ProposeRegisterOrScratch0();
var rhsReg = rhsReadable.ToRegister(lhsReg);
lhs.FromRegister(rhsReg);
}
//Don't decide that a variable is live just because it was referenced (or it was used as temporary storage)
//in its very-own assignment.
if (!lhsWasLivePriorToThisAssignment)
{
f.UndoNoteRead(new[] { lhs });
}
}
protected override IReadable EvaluateToHelper(IReference storage)
{
return(inner.EvaluateTo(storage));
}
