search for: branchsp

...backend using LLVM's retargetable code generator, and I'm confused about how the SelectionDAG works. Let me give you an example from the SPARC backend (as this is what is often mentioned in the documentation). This is how the "branch always" instruction is defined: def BA : BranchSP<0b1000, (ins brtarget:$dst), "ba $dst", [(br bb:$dst)]>; The pattern that is to be matched is simply (br bb: $dst). Based on this, I would have expected the pattern for an add instruction to look somehow like this: (add IntRegs:$b, IntR...