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introduce internal "mask" expression node to avoid mixed-type overloading of "/"

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This commit is contained in:
Vern Paxson 2023-09-26 14:39:26 -07:00
parent b53a025b1e
commit 434a7e059d
6 changed files with 55 additions and 13 deletions
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10
src/Expr.h
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@ -52,6 +52,7 @@ enum ExprTag : int
EXPR_REMOVE_FROM,
EXPR_TIMES,
EXPR_DIVIDE,
EXPR_MASK,
EXPR_MOD,
EXPR_AND,
EXPR_OR,
@ -819,6 +820,15 @@ public:
ExprPtr Duplicate() override;
bool WillTransform(Reducer* c) const override;
ExprPtr Reduce(Reducer* c, StmtPtr& red_stmt) override;
};
class MaskExpr final : public BinaryExpr
{
public:
MaskExpr(ExprPtr op1, ExprPtr op2);
// Optimization-related:
ExprPtr Duplicate() override;
protected:
ValPtr AddrFold(Val* v1, Val* v2) const override;