tqchen commented on code in PR #15264:
URL: https://github.com/apache/tvm/pull/15264#discussion_r1257339181
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src/arith/iter_affine_map.cc:
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@@ -2061,6 +2061,9 @@ class IterMapToExprNormalizer : public ExprMutator {
if (analyzer_->CanProve(expr->extent == expr->source->extent) &&
is_one(expr->lower_factor)) {
return source * expr->scale;
} else if (analyzer_->CanProve(expr->source->extent == expr->lower_factor
* expr->extent)) {
+ if (is_one(expr->extent) && !is_one(expr->lower_factor)) {
Review Comment:
would be nice ot have a rationale here
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