old_contents: """Provides the repository macro to import LLVM."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo(name):
      """Imports LLVM."""
      LLVM_COMMIT = "deadda749aef22dba4727f5c4d76090ecca559ac"
      LLVM_SHA256 = "ae39878b45d0047fc11569409355938b0254d1080e9aa5cfc50d97b498a6812f"
  
      tf_http_archive(
          name = name,
          sha256 = LLVM_SHA256,
          strip_prefix = "llvm-project-{commit}".format(commit = LLVM_COMMIT),
          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),
          ],
          build_file = "//third_party/llvm:llvm.BUILD",
          patch_file = ["//third_party/llvm:macos_build_fix.patch", "//third_party/llvm:fix_ppc64le.patch", "//third_party/llvm:disable_typeid_check.patch"],
          link_files = {"//third_party/llvm:run_lit.sh": "mlir/run_lit.sh"},
      )
  
new_contents: """Provides the repository macro to import LLVM."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo(name):
      """Imports LLVM."""
      LLVM_COMMIT = "81b51b61f849fa91bdf5d0695918578abae846e3"
      LLVM_SHA256 = "4efa8c26189f4b9d1d137d04f48895bae716320246108cf05885293be5d5b6bc"
  
      tf_http_archive(
          name = name,
          sha256 = LLVM_SHA256,
          strip_prefix = "llvm-project-{commit}".format(commit = LLVM_COMMIT),
          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),
          ],
          build_file = "//third_party/llvm:llvm.BUILD",
          patch_file = ["//third_party/llvm:macos_build_fix.patch", "//third_party/llvm:fix_ppc64le.patch", "//third_party/llvm:disable_typeid_check.patch"],
          link_files = {"//third_party/llvm:run_lit.sh": "mlir/run_lit.sh"},
      )
  
subject: Integrate LLVM at llvm/llvm-project@81b51b61f849