old_contents: """Provides the repository macro to import LLVM."""
  
  load("//third_party:repo.bzl", "tfrt_http_archive")
  
  def repo(name):
      """Imports LLVM."""
      LLVM_COMMIT = "539fa1df4634dad7d99e4485e4fc3a82ff1a5481"
      LLVM_SHA256 = "68d36e2cc6c217e4f2e5e5a4c8d82598d194f09b4a1ea60690f671bdedac4983"
  
      tfrt_http_archive(
          name = name,
          build_file = "//third_party/llvm:BUILD",
          sha256 = LLVM_SHA256,
          strip_prefix = "llvm-project-" + 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),
          ],
      )
  
new_contents: """Provides the repository macro to import LLVM."""
  
  load("//third_party:repo.bzl", "tfrt_http_archive")
  
  def repo(name):
      """Imports LLVM."""
      LLVM_COMMIT = "143f3bf8f422af962761b1bb1f2875a6d30b25eb"
      LLVM_SHA256 = "8fe85e2fcd27d538a3d47dcf87a8d82d600d96e907cd0d263661ee24db517906"
  
      tfrt_http_archive(
          name = name,
          build_file = "//third_party/llvm:BUILD",
          sha256 = LLVM_SHA256,
          strip_prefix = "llvm-project-" + 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),
          ],
      )
  
subject: Integrate LLVM at llvm/llvm-project@143f3bf8f422