vinx13 commented on code in PR #13085:
URL: https://github.com/apache/tvm/pull/13085#discussion_r997464102
##########
src/tir/ir/index_map.cc:
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@@ -147,6 +147,37 @@ IndexMap IndexMap::Inverse(Array<Range> initial_ranges)
const {
return inverse;
}
+/*!
+ * \brief Evaluator to compute the mapped indices of a given index map.
+ */
+class IndexMapEvaluator : public DataTypeLegalizer {
Review Comment:
It inherits from `DataTypeLegalizer` that contains extra logic than
`StmtMutator`, I think it's better to be separated from `IRSubstitute`. Perhaps
we can introduce another utility function `SubstituteWithDataTypePromotion`
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