use SUBREG_TO_REG instead of INSERT_SUBREG, this way the code
tree1b4034f7225814f405c68627862cb16a112376a1
-rw-r--r-- 9161 CMakeLists.txt
-rw-r--r-- 7643 CREDITS.TXT
-rw-r--r-- 3169 LICENSE.TXT
-rw-r--r-- 6113 Makefile
-rw-r--r-- 2706 Makefile.common
-rw-r--r-- 9644 Makefile.config.in
-rw-r--r-- 65166 Makefile.rules
-rw-r--r-- 126 ModuleInfo.txt
-rw-r--r-- 483 README.txt
drwxr-xr-x - Xcode
drwxr-xr-x - autoconf
drwxr-xr-x - bindings
-rwxr-xr-x 2272 build-for-llvm-top.sh
drwxr-xr-x - cmake
-rwxr-xr-x 1132195 configure
drwxr-xr-x - docs
drwxr-xr-x - examples
drwxr-xr-x - include
drwxr-xr-x - lib
-rw-r--r-- 1890 llvm.spec.in
drwxr-xr-x - projects
drwxr-xr-x - runtime
drwxr-xr-x - test
drwxr-xr-x - tools
drwxr-xr-x - unittests
drwxr-xr-x - utils
drwxr-xr-x - website
drwxr-xr-x - win32