[PATCH] D75645: {MLIR} Added llvm.fence

[Sagar Jain via Phabricator via llvm-commits]

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

This patch adds llvm.fence. I tried not to change the syntax much.

syntax:

LLVM IR
`fence [syncscope("<target-scope>")] <ordering>`

MLIR LLVM Dialect

`llvm.fence [syncscope("<target-scope>")] <ordering>`

example:
LLVM IR: `fence syncscope("agent") seq_cst`
MLIR: `llvm.fence syncscope("agent") seq_cst`


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75645

Files:
  mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
  mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
  mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp
  mlir/test/Dialect/LLVMIR/roundtrip.mlir
  mlir/test/Target/import.ll
  mlir/test/Target/llvmir.mlir

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