message: Integrate LLVM at llvm/llvm-project@8344e215ec6c
  Updates LLVM usage to match
  [8344e215ec6c](https://github.com/llvm/llvm-project/commit/8344e215ec6c)
diff: @@ -4,8 +4,8 @@ load("//third_party:repo.bzl", "tf_http_archive")
  def repo(name):
  """Imports LLVM."""
  - LLVM_COMMIT = "7ed7d4ccb8991e2b5b95334b508f8cec2faee737"
  - LLVM_SHA256 = "6584ccaffd5debc9fc1bb275a36af9bad319a7865abecf36f97cbe3c2da028d0"
  + LLVM_COMMIT = "8344e215ec6caac4b3372d6e96333b35ab1d8741"
  + LLVM_SHA256 = "3b3ba914758ad6cd1b7406050cb1d0130a7c4965e7cba65647131b0460a843c2"
  tf_http_archive(
  name = name,
  