mbs-octoml commented on a change in pull request #10078:
URL: https://github.com/apache/tvm/pull/10078#discussion_r794060009
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File path: src/relay/transforms/to_a_normal_form.cc
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@@ -223,6 +223,17 @@ class Fill : ExprFunctor<Expr(const Expr&, const Var&)>,
private transform::Lexi
bool not_included = include_set_ && include_set_->find(orig) ==
include_set_->end();
if (!v.defined() && not_included) {
return annotated_expr;
+ } else if (const LetNode* let = AsIgnoringOnDevice<LetNode>(now)) {
+ // Instead of making a nested binding "let var = (let x = ...;
bindings...; body)", we push
+ // the inner bindings into the outer scope and bind body to var, giving
+ // "let x = ...; bindings...; let var = body;" as the resulting bindings.
+ Expr e = GetRef<Expr>(let);
+ while (const LetNode* inner_let = AsIgnoringOnDevice<LetNode>(e)) {
+ GetScope(orig)->let_list->Push(inner_let->var, inner_let->value);
Review comment:
Shoot you're write, I misread the loop sorry!
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