[PATCH] D78701: [mlir] Give each OpResult its own use list

[River Riddle via Phabricator via llvm-commits]

rriddle created this revision.
rriddle added a reviewer: mehdi_amini.
Herald added subscribers: llvm-commits, Kayjukh, frgossen, grosul1, Joonsoo, liufengdb, aartbik, lucyrfox, mgester, arpith-jacob, nicolasvasilache, antiagainst, shauheen, jpienaar.
Herald added a project: LLVM.

This revision removes the multi use-list to ensure that each result gets its own. This decision was made by doing some extensive benchmarking of programs that actually use multiple results. This results in a size increase of 1-word per result >1, but the common case of 1-result remains unaffected. A side benefit is that 0-result operations now shrink by 1-word.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D78701

Files:
  mlir/include/mlir/IR/Operation.h
  mlir/include/mlir/IR/OperationSupport.h
  mlir/include/mlir/IR/UseDefLists.h
  mlir/include/mlir/IR/Value.h
  mlir/lib/IR/Operation.cpp
  mlir/lib/IR/OperationSupport.cpp
  mlir/lib/IR/Value.cpp

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