search for: 0c61ebc131076c6186052c29968a491d

...#39;t a complete split between MC-layer and codegen concerns. The Mips{64,32}r6InstrInfo.td does also factor out this information. This seems less compelling to me, but dissenting opinions are welcome! I've demonstrated both the "conventional" approach <https://gist.github.com/asb/0c61ebc131076c6186052c29968a491d#file-riscvinstrinfo_conventional-td> and the "separate patterns" approach <https://gist.github.com/asb/0c61ebc131076c6186052c29968a491d#file-riscvinstrinfo_separate_pats-td>. Obviously once patterns and pseudo-instructions are separated out, you may want to move them to a differe...