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Add bitshift operators

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This commit is contained in:
AmazingPP 2022-07-21 10:59:19 +08:00
parent 1d2c12e980
commit f2bfa61fc6
10 changed files with 57 additions and 4 deletions
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6
src/script_opt/Expr.cc
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@ -257,6 +257,8 @@ bool Expr::IsFieldAssignable(const Expr* e) const
case EXPR_AND:
case EXPR_OR:
case EXPR_XOR:
case EXPR_LSHIFT:
case EXPR_RSHIFT:
case EXPR_FIELD:
case EXPR_HAS_FIELD:
case EXPR_IN:
@ -1293,7 +1295,7 @@ bool BitExpr::WillTransform(Reducer* c) const
ExprPtr BitExpr::Reduce(Reducer* c, StmtPtr& red_stmt)
{
if ( GetType()->Tag() != TYPE_COUNT )
if ( ! IsIntegral(GetType()->Tag()) )
return BinaryExpr::Reduce(c, red_stmt);
auto zero1 = op1->IsZero();
@ -1311,7 +1313,7 @@ ExprPtr BitExpr::Reduce(Reducer* c, StmtPtr& red_stmt)
if ( Tag() == EXPR_AND )
return zero_op->ReduceToSingleton(c, red_stmt);
else
// OR or XOR
// OR or XOR or LSHIFT or RSHIFT
return non_zero_op->ReduceToSingleton(c, red_stmt);
}