RegionSimpify: Add more preserved passes acording to the comment of
treee7685a2d319a4bd6d10289d868b59d09f74d6f07
-rw-r--r-- 5158 CMakeLists.txt
-rw-r--r-- 452 Makefile
-rwxr-xr-x 1017 Makefile.common.in
-rwxr-xr-x 1393 Makefile.config.in
-rw-r--r-- 646 README
drwxr-xr-x - autoconf
drwxr-xr-x - cmake
-rwxr-xr-x 118095 configure
drwxr-xr-x - docs
drwxr-xr-x - include
drwxr-xr-x - lib
drwxr-xr-x - test
drwxr-xr-x - tools
drwxr-xr-x - utils