Add more runtime function defintion for LLVM.
Add more runtime function defintion for LLVM.

Change-Id: I5d510055411155d17bb4d5c0395454c14e96a27c

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst