Displaying 1 result from an estimated 1 matches for "move_flag".
2016 Feb 01
2
TableGen customized node with mayStore attribute is deleted if there is no use
...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 i32:$src))...