[AArch64][GlobalISel] Fix TLS accesses clobbering registers incorrectly.

CODEOWNERS

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+* @apple/llvm-project-branch-managers

LICENSE.txt

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README.md

@@ -1,3 +1,11 @@
+# Apple's fork of llvm-project
+
+This is Apple's fork of llvm-project.  For more information on Apple's
+branching scheme, please see
+[apple-docs/AppleBranchingScheme.md](https://github.com/apple/llvm-project/tree/apple/master/apple-docs/AppleBranchingScheme.md).
+
+The LLVM project's main README follows.
+
 # The LLVM Compiler Infrastructure
 
 This directory and its subdirectories contain source code for LLVM,