Re-apply r346985: [ADT] Drop llvm::Optional clang-specific optimization for trivially...
tree5b227392288098a100a31b99e227eaa549d94849
-rw-r--r-- 81 .arcconfig
-rw-r--r-- 20 .clang-format
-rw-r--r-- 769 .clang-tidy
-rw-r--r-- 615 .gitattributes
-rw-r--r-- 2348 .gitignore
-rw-r--r-- 40738 CMakeLists.txt
-rw-r--r-- 4792 CODE_OWNERS.TXT
-rw-r--r-- 11960 CREDITS.TXT
-rw-r--r-- 3192 LICENSE.TXT
-rw-r--r-- 744 LLVMBuild.txt
-rw-r--r-- 664 README.txt
-rw-r--r-- 942 RELEASE_TESTERS.TXT
drwxr-xr-x - benchmarks
drwxr-xr-x - bindings
drwxr-xr-x - cmake
-rwxr-xr-x 573 configure
drwxr-xr-x - docs
drwxr-xr-x - examples
drwxr-xr-x - include
drwxr-xr-x - lib
-rw-r--r-- 1866 llvm.spec.in
drwxr-xr-x - projects
drwxr-xr-x - resources
drwxr-xr-x - runtimes
drwxr-xr-x - test
drwxr-xr-x - tools
drwxr-xr-x - unittests
drwxr-xr-x - utils