search for: fooisd

...hope it will not be deleted. However, it does not work like I assume. There must be something wrong. But I don't know it's because this trick does not work in theory or it's because my implementation is wrong. def MoveTy : SDTypeProfile<1, 1, []>; def MoveFlag : SDNode<"FOOISD::MOVE_FLAG", MoveTy, [SDNPHasChain, SDNPSideEffect, SDNPMayStore, SDNPMayLoad]>; let hasSideEffects = 1, mayStore = 1, mayLoad = 1 in { def MOVE : InstFOO<(outs ARegs:$dst), (ins BRegs:$src), "move $dst, $src", [(set i32:$dst, (MoveFlag...

...m PRegs to GRRegs because my add instruction's source registers should belong to GRRegs or GRRegsAdditional. I define 'move' and 'add' instructions like this: def MoveRRTy : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisInt<0>]>; def moverr : SDNode<"FOOISD::MOVERR", MoveRRTy>; def MOVE : InstFOO<(outs GRRegsAdditional:$dst), (ins PRegs:$src), "move $dst, $src",[(set i32:$dst, (moverr i32:$src))]>; def ADDINT: InstFOO<(outs GRRegsAdditional:$dst), (ins GRRegsAddition...