NaplesPUInstrFormats.td
From NaplesPU Documentation
NuPlusInstrFormats.td and NuPlusInstrInfo.td describe the nu+ instructions and the patterns to transform LLVM IR into machine code. The NuPlusInstrFormats.td contains the classes that describe the nu+ instruction formats, support classes that facilitates the instructions definition and also the definition nodes which make the pattern recognition easier.