[all-commits] [llvm/llvm-project] 9b9cfe: [mlir][LLVM] Replace readnone with memory effects

[Christian Ulmann via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9b9cfe77a50abccc4b82a497e17566a454b699bd
      https://github.com/llvm/llvm-project/commit/9b9cfe77a50abccc4b82a497e17566a454b699bd
  Author: Christian Ulmann <christian.ulmann at nextsilicon.com>
  Date:   2023-01-19 (Thu, 19 Jan 2023)

  Changed paths:
    M mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td
    M mlir/include/mlir/Dialect/LLVMIR/LLVMEnums.td
    M mlir/include/mlir/Dialect/LLVMIR/LLVMOpBase.td
    M mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
    M mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
    M mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp
    M mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
    M mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMIRToLLVMTranslation.cpp
    M mlir/lib/Target/LLVMIR/ModuleImport.cpp
    M mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
    M mlir/test/Conversion/FuncToLLVM/convert-funcs.mlir
    M mlir/test/Dialect/LLVMIR/func.mlir
    M mlir/test/Target/LLVMIR/Import/function-attributes.ll
    M mlir/test/Target/LLVMIR/llvmir.mlir

  Log Message:
  -----------
  [mlir][LLVM] Replace readnone with memory effects

This commit introduces LLVM's `MemoryEffects` attribute and replaces the
deprecated usage of `llvm.readnone` in the LLVM dialect.
The absence of the attribute on a `LLVMFuncOp` implies that it might
access all kinds of memory. This semantic corresponds to `llvm::Function`'s
behaviour.

Depends on D142002

Differential Revision: https://reviews.llvm.org/D142013