search for: sabredagtodagisel

...ectly grasping the interactions between ARCHInstrInfo.td and ARCHDAGToDAGISel.cpp I did manage to hack something together based on a copy of SPARC (with a SABRE namespace etc) but the instruction selection was incorrect and I obtained a "Cannot yet select:0x..." assertion failure from SABREDAGToDAGIsel::SelectCode when I attempted a llc -march sabre helloworld.bc -o helloworld.s Can anyone offer any guidance on how to proceed with debugging instruction selection issues? Or perhaps some description of how the pattern matching and the instruction selection works with a verbose explanation for a...