[PATCH] D78876: [mlir] Don't allocate an operand storage if the operation is known to never have operands

[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, lucyrfox, mgester, arpith-jacob, nicolasvasilache, antiagainst, shauheen, jpienaar.
Herald added a project: LLVM.

Certain classes of operations, such as FuncOp, are known to never have operands. This revision adds a bit to operation to detect this case and avoid allocating the unnecessary operand storage. This saves 1 word for each instance of these operations.

Depends On D78875 <https://reviews.llvm.org/D78875>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D78876

Files:
  mlir/include/mlir/IR/Operation.h
  mlir/lib/IR/Operation.cpp

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