[PATCH] D74327: [mlir][VectorOps] Adds canonicalization rewrite patterns for vector ShapeCastOp.

[Andy Davis via Phabricator via llvm-commits]

andydavis1 created this revision.
andydavis1 added reviewers: nicolasvasilache, aartbik.
Herald added subscribers: llvm-commits, Joonsoo, liufengdb, lucyrfox, mgester, arpith-jacob, antiagainst, shauheen, burmako, jpienaar, rriddle, mehdi_amini.
Herald added a project: LLVM.

Adds two rewrite patterns for the vector ShapeCastOp.
*) ShapeCastOp decomposer: decomposes ShapeCastOp on tuple-of-vectors to multiple ShapeCastOps each on vector types.
*) ShapeCastOp folder: folds canceling shape cast ops (e.g. shape_cast A -> B followed by shape_cast B -> A) away.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74327

Files:
  mlir/lib/Dialect/VectorOps/VectorTransforms.cpp
  mlir/test/Dialect/VectorOps/vector-transforms.mlir

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