[mlir] More support for detached regions in affine symbol checkers
authorAlex Zinenko <zinenko@google.com>
Mon, 11 May 2020 13:26:11 +0000 (15:26 +0200)
committerAlex Zinenko <zinenko@google.com>
Mon, 11 May 2020 13:29:47 +0000 (15:29 +0200)
commit25d6995079431531c2c7c8955ebe9a3d1875180d
tree271e6e928dcd7163b6852281998d55b23b2cead3
parent0ae7990b6071b941995183d872b928bba3a5d3b8
[mlir] More support for detached regions in affine symbol checkers

Add documentation to `isToLevelValue` explaining its behavior for
detached regions, and fix the overloaded version that accepts `Region`.
mlir/lib/Dialect/Affine/IR/AffineOps.cpp