outthink limits Offloading Support for OpenMP in Clang and LLVM Carlo Bertolli Advanced Compiler Technology Team IBM T.J. Watson Research Center Team: Samuel F. Antao, Alexey Bataev, Arpith C. Jacob, Gheorghe-Teodor Bercea, Alexandre E. Eichenberger, Georgios Rokos, Matt Martineau, Tian Jin, Guray Ozen, Zehra Sura, Tong Chen, Hyojin Sung, Carlo Bertolli, Kevin O’Brien IBM Systems OpenMP in LLVM Op