TRI = Fn.getSubtarget().getRegisterInfo();
MRI = &Fn.getRegInfo();
const ARMSubtarget *STI = &Fn.getSubtarget<ARMSubtarget>();
+ // Only run this for CortexA9.
+ if (!STI->isCortexA9())
+ return false;
isLikeA9 = STI->isLikeA9() || STI->isSwift();
isSwift = STI->isSwift();