1. Added malloc and free device functions
2. Added test which check malloc and free functions
TODO: Need to add support for multiple device. Works only on one device (multi device support id NOT available).
Change-Id: Id11fc36463915d6ad46c264d5a20c8feb2d2c17c
1. Added feature for __threadfence and __threadfence_block
2. Added feature for using LLVM IR files directly while compilation
3. Added test for threadfence and threadfence_block
Change-Id: Ib7e5d89b4cca1a135952b317e5809cd05b56a3c9