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updates for script optimization

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This commit is contained in:
Vern Paxson 2022-03-11 14:35:45 -08:00 • committed by Tim Wojtulewicz
parent ae75635c5a
commit 18cfee51c2
3 changed files with 115 additions and 28 deletions
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18
src/script_opt/UseDefs.cc
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@ -466,6 +466,15 @@ UDs UseDefs::ExprUDs(const Expr* e)
AddInExprUDs(uds, e->GetOp1()->AsRefExprPtr()->GetOp1().get());
break;
case EXPR_ADD_TO:
case EXPR_REMOVE_FROM:
{
AddInExprUDs(uds, e->GetOp1().get());
auto rhs_UDs = ExprUDs(e->GetOp2().get());
uds = UD_Union(uds, rhs_UDs);
break;
}
case EXPR_RECORD_CONSTRUCTOR:
{
auto r = static_cast<const RecordConstructorExpr*>(e);
@ -527,6 +536,10 @@ void UseDefs::AddInExprUDs(UDs uds, const Expr* e)
{
switch ( e->Tag() )
{
case EXPR_REF:
AddInExprUDs(uds, e->GetOp1().get());
break;
case EXPR_NAME:
AddID(uds, e->AsNameExpr()->Id());
break;
@ -548,8 +561,9 @@ void UseDefs::AddInExprUDs(UDs uds, const Expr* e)
AddInExprUDs(uds, e->GetOp1()->AsRefExprPtr()->GetOp1().get());
break;
case EXPR_ASSIGN:
// These occur inside of table constructors.
case EXPR_ASSIGN: // can occur inside a table constructor
case EXPR_ADD_TO:
case EXPR_REMOVE_FROM:
AddInExprUDs(uds, e->GetOp1().get());
AddInExprUDs(uds, e->GetOp2().get());
break;