Enhanced LLVM support

The IBM® Open XL Fortran for AIX® 17.1.3 compiler is based on LLVM 19, and provides a customized subset of the LLVM compiler infrastructure.

To learn the latest LLVM technologies that IBM Open XL Fortran supports, refer to the following LLVM community documents on which the IBM Open XL Fortran for AIX 17.1.3 compiler is based: