#include "ARM.h"
#include "ARMBaseInstrInfo.h"
#include "ARMBaseRegisterInfo.h"
+#include "ARMSubtarget.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
+#include <map>
#include <set>
using namespace llvm;
}
bool A15SDOptimizer::runOnMachineFunction(MachineFunction &Fn) {
- TII = static_cast<const ARMBaseInstrInfo*>(Fn.getTarget().getInstrInfo());
- TRI = Fn.getTarget().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();
MRI = &Fn.getRegInfo();
bool Modified = false;