old_contents: """Provides the repository macro to import LLVM."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo(name):
      """Imports LLVM."""
      LLVM_COMMIT = "529a0570f7e8c5144bd3ad057e43f00e3af58d1b"
      LLVM_SHA256 = "e94951d86054da3b613bbfdaf75378d457ca23c1ce58d10e006bd50fdf6e5ff6"
  
      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"],
          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 = "b3851e99315248e14a63a66866085f6aeac05fe0"
      LLVM_SHA256 = "6ae464df538f16471922fa695969d5c38bfa5bdbb408d7645408ea3b018327bc"
  
      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"],
          link_files = {"//third_party/llvm:run_lit.sh": "mlir/run_lit.sh"},
      )
  
subject: Integrate LLVM at llvm/llvm-project@b3851e993152