Add missing files

tensorflow/setup_llvm.bzl

@@ -0,0 +1,23 @@
+"""TensorFlow workspace initialization. Consult the WORKSPACE on how to use it."""
+
+load("@llvm-bazel//:terminfo.bzl", "llvm_terminfo_disable")
+load("@llvm-bazel//:zlib.bzl", "llvm_zlib_disable")
+load("@llvm-bazel//:configure.bzl", "llvm_configure")
+
+def setup_llvm():
+    # Disable terminfo and zlib that are bundled with LLVM
+    llvm_terminfo_disable(
+        name = "llvm_terminfo",
+    )
+    llvm_zlib_disable(
+        name = "llvm_zlib",
+    )
+
+    # Now that all LLVM settings are loaded, configure the LLVM project.
+    # This mixes llvm-bazel and llvm-project-raw to create llvm-project.
+    # The result has both the source code and the BUILD files in one place.
+    llvm_configure(
+        name = "llvm-project",
+        src_path = ".",
+        src_workspace = "@llvm-project-raw//:WORKSPACE",
+    )

third_party/llvm-bazel.patch

@@ -0,0 +1,15 @@
+diff --git a/llvm-project-overlay/llvm/BUILD b/llvm-project-overlay/llvm/BUILD
+index 9f1d8c339..e1ab25e88 100644
+--- a/llvm-project-overlay/llvm/BUILD
++++ b/llvm-project-overlay/llvm/BUILD
+@@ -1730,6 +1730,10 @@ gentbl(
+         srcs = ["lib/Target/" + target["name"] + "/TargetInfo/" + target["name"] + "TargetInfo.cpp"],
+         hdrs = glob(["lib/Target/" + target["name"] + "/TargetInfo/*.h"]),
+         copts = llvm_copts,
++        # Workaround for https://github.com/bazelbuild/bazel/issues/3828
++        # TODO(gcmn): Remove this when upgrading to a Bazel version containing
++        # https://github.com/bazelbuild/bazel/commit/e3b7e17b05f1
++        includes = ["lib/Target/" + target["name"]],
+         strip_include_prefix = "lib/Target/" + target["name"],
+         deps = [
+             ":" + target["name"] + "CommonTableGen",

third_party/llvm-project/BUILD.bazel

@@ -0,0 +1 @@
+# Empty BUILD file for integrating LLVM.