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[Relay]Port eliminate_common_subexpr to non-recursive form #6134

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Jul 24, 2020
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[Relay]Port eliminate_common_subexpr to non-recursive form #6134

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10 changes: 5 additions & 5 deletions src/relay/transforms/eliminate_common_subexpr.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,13 @@
namespace tvm {
namespace relay {

class CommonSubexprEliminator : public ExprMutator {
class CommonSubexprEliminator : public MixedModeMutator {
public:
explicit CommonSubexprEliminator(runtime::TypedPackedFunc<bool(Expr)> fskip) : fskip_(fskip) {}

Expr VisitExpr_(const CallNode* call) final {
Expr Rewrite_(const CallNode* call, const Expr& post) final {
static auto op_stateful = Op::GetAttrMap<TOpIsStateful>("TOpIsStateful");
Expr new_expr = ExprMutator::VisitExpr_(call);
Expr new_expr = post;
const CallNode* new_call = new_expr.as<CallNode>();
CHECK(new_call);
const OpNode* op = new_call->op.as<OpNode>();
Expand Down Expand Up @@ -80,8 +80,8 @@ class CommonSubexprEliminator : public ExprMutator {
return new_expr;
}

Expr VisitExpr_(const TupleGetItemNode* op) final {
Expr new_expr = ExprMutator::VisitExpr_(op);
Expr Rewrite_(const TupleGetItemNode* op, const Expr& post) final {
Expr new_expr = post;
const TupleGetItemNode* new_tuple_item = new_expr.as<TupleGetItemNode>();
CHECK(new_tuple_item);

Expand Down