[all-commits] [llvm/llvm-project] a4d65f: [mlir][LLVMIR] Support switch without cases

[aengelke via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a4d65fe67f7ce1b2a0dcc89bf6aa4672797cb92c
      https://github.com/llvm/llvm-project/commit/a4d65fe67f7ce1b2a0dcc89bf6aa4672797cb92c
  Author: Alexis Engelke <engelke at in.tum.de>
  Date:   2023-07-28 (Fri, 28 Jul 2023)

  Changed paths:
    M mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp
    M mlir/test/Target/LLVMIR/llvmir.mlir

  Log Message:
  -----------
  [mlir][LLVMIR] Support switch without cases

LLVM supports switch ops without case values, for which the optional
caseValues has no value (i.e., std::nullopt, no the empty array).
Handle this case properly when translating MLIR-LLVM to LLVM-IR.

Reviewed By: Dinistro, Mogball

Differential Revision: https://reviews.llvm.org/D156431