message: Integrate LLVM at llvm/llvm-project@80e166f81abd
  Updates LLVM usage to match
  [80e166f81abd](https://github.com/llvm/llvm-project/commit/80e166f81abd)
diff: @@ -4,8 +4,8 @@ load("//third_party:repo.bzl", "tf_http_archive")
  def repo(name):
  """Imports LLVM."""
  - LLVM_COMMIT = "517c3aee4de59369b109fa27b1e41df8679a6cd3"
  - LLVM_SHA256 = "c64b0f6327bdf80d3b51124cb75ce191fe35318d1eec7bdd928e40c6e57c53e0"
  + LLVM_COMMIT = "80e166f81abd33d15ced8d6ab66cb4193e75b51e"
  + LLVM_SHA256 = "314954df93bdf1cd8a46c04f9470488adc20a8462745d6f2990e65d45fea28c2"
  tf_http_archive(
  name = name,
  