Restore the LoopInstSimplify pass, reverting r327329 that removed it.
tree81ba2d49c47d50b28121390e7cad807ffc2a5a7f
-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-- 2283 .gitignore
-rw-r--r-- 39412 CMakeLists.txt
-rw-r--r-- 4710 CODE_OWNERS.TXT
-rw-r--r-- 11611 CREDITS.TXT
-rw-r--r-- 3192 LICENSE.TXT
-rw-r--r-- 744 LLVMBuild.txt
-rw-r--r-- 665 README.txt
-rw-r--r-- 968 RELEASE_TESTERS.TXT
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