message: Integrate LLVM at llvm/llvm-project@c799f873cb9f
  Updates LLVM usage to match
  [c799f873cb9f](https://github.com/llvm/llvm-project/commit/c799f873cb9f)
diff: @@ -714,8 +714,8 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
  )
  # Check out LLVM and MLIR from llvm-project.
  - LLVM_COMMIT = "0008fb343704bafc3469703be930b8a65d7c47fa"
  - LLVM_SHA256 = "8a957fc8a0fd052dc5aa69ec844a75587b4f6f26930a88d53f33f13a53d9000b"
  + LLVM_COMMIT = "c799f873cb9feaea265aa3df8f3372949f8263d0"
  + LLVM_SHA256 = "19e59caaed378643c0f0388c3f222200ce9f573436628a846b515285c5f0a7e1"
  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),
  