junrushao commented on code in PR #12797:
URL: https://github.com/apache/tvm/pull/12797#discussion_r972396471
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src/tir/schedule/analysis/layout.cc:
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@@ -167,20 +167,25 @@ Optional<IndexMap> SuggestIndexMap(const Buffer& buffer,
const Array<PrimExpr>&
}
return a.lower_factor > b.lower_factor;
});
+ // Compute the inverse permutation by argsort
+ std::vector<int> inverse_order = order;
Review Comment:
Shall we add a test for `Suggest-Index-Map` where the inverse of the mapping
is not detectable?
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