message: [TF:XLA] Bump open source llvm revision to r347843
diff: @@ -472,11 +472,11 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
  tf_http_archive(
  name = "llvm",
  build_file = clean_dep("//third_party/llvm:llvm.autogenerated.BUILD"),
  - sha256 = "6c9b98f745b1cf2a9ef34f6220d0f94620ee5c828151924299913f1822cd40d1",
  - strip_prefix = "llvm-9d5ac66dc1ff01dee56354344c9da0879f1bdc36",
  + sha256 = "f4791ba3e166918bca82df34e2f854e8e188d6055888c64cb28743fd43f2d0d7",
  + strip_prefix = "llvm-b2a42b2112a511a5077fd747fb21e45349cff08d",
  urls = [
  - "https://mirror.bazel.build/github.com/llvm-mirror/llvm/archive/9d5ac66dc1ff01dee56354344c9da0879f1bdc36.tar.gz",
  - "https://github.com/llvm-mirror/llvm/archive/9d5ac66dc1ff01dee56354344c9da0879f1bdc36.tar.gz",
  + "https://mirror.bazel.build/github.com/llvm-mirror/llvm/archive/b2a42b2112a511a5077fd747fb21e45349cff08d.tar.gz",
  + "https://github.com/llvm-mirror/llvm/archive/b2a42b2112a511a5077fd747fb21e45349cff08d.tar.gz",
  ],
  )
  