[PATCH] D79758: [mlir] [VectorOps] Replace zero-scalar + splat into direct zero vector constant

[Aart Bik via Phabricator via llvm-commits]

aartbik created this revision.
Herald added subscribers: llvm-commits, Kayjukh, frgossen, grosul1, Joonsoo, stephenneuendorffer, liufengdb, lucyrfox, mgester, arpith-jacob, nicolasvasilache, antiagainst, shauheen, jpienaar, rriddle, mehdi_amini.
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aartbik added reviewers: andydavis1, reidtatge.

The scalar zero + splat yields more intermediate code than the direct
dense zero constant, and ultimately is lowered to exactly the same
LLVM IR operations, so no point wasting the intermediate code.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D79758

Files:
  mlir/lib/Dialect/Vector/VectorTransforms.cpp

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