- TII = static_cast<const ARMBaseInstrInfo *>(Fn.getSubtarget().getInstrInfo());
- TRI = Fn.getSubtarget().getRegisterInfo();
+ const ARMSubtarget &STI = Fn.getSubtarget<ARMSubtarget>();
+ // Since the A15SDOptimizer pass can insert VDUP instructions, it can only be
+ // enabled when NEON is available.
+ if (!(STI.isCortexA15() && STI.hasNEON()))
+ return false;
+ TII = STI.getInstrInfo();
+ TRI = STI.getRegisterInfo();