ProgrammableGraphLearning

1. Install required tools mentioned in Document/LLVM 3.8.1 Installation Guide;
2. The following steps are used to remove some cached files;
   2.1. go to llvm-contech, remove CMakeCache.txt "rm CMakeCache.txt";
   2.2. Type "cmake .";
   2.3. Type "make";
   2.4. Type "cd ..";
   2.5. Type “make clean”;
   2.6. Type "make";
3. Set an environment variable. For example, if one places it into the /home/Downloads folder, type "export /home/Downloads/ProgrammableGraphLearning";
4. If you have C code, go to the script folder, and run "perl run.pl <C code>" to obtain the graph representation;