[Arith] Simplify MatchFusePattern in InverseAffineMap #8427
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This is a followup PR of #8384 As we assume
IterMapExpr
are generated byDetectIterMap
, we can expect components inIterSumExpr
are sorted in descending order oflower_factor
. ThereforeMatchFusePattern
can be simplified.@spectrometerHBH @tqchen