message: Integrate LLVM at llvm/llvm-project@50df5f24dc33
  Updates LLVM usage to match
  [50df5f24dc33](https://github.com/llvm/llvm-project/commit/50df5f24dc33)
diff: @@ -712,8 +712,8 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
  )
  # Check out LLVM and MLIR from llvm-project.
  - LLVM_COMMIT = "196bee9648a9b6f395c524b01be22898e7c3df33"
  - LLVM_SHA256 = "217c6310d160644173fd82f7799e976a4a262afb75e1fccadedd2d9e5a937c33"
  + LLVM_COMMIT = "50df5f24dc333e912f6eb8500ef84e648d43af93"
  + LLVM_SHA256 = "e98db689e6bcc51ae4731f520185c67a1036fa781caa58df6303b0dca5e4b654"
  LLVM_URLS = [
  "https://storage.googleapis.com/mirror.tensorflow.org/github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
  "https://github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
  