#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
+#include <map>
#include <set>
using namespace llvm;
if (DPRMI && SPRMI) {
// See if the first operand of this insert_subreg is IMPLICIT_DEF
MachineInstr *ECDef = elideCopies(DPRMI);
- if (ECDef != 0 && ECDef->isImplicitDef()) {
+ if (ECDef && ECDef->isImplicitDef()) {
// Another corner case - if we're inserting something that is purely
// a subreg copy of a DPR, just use that DPR.
return optimizeAllLanesPattern(MI, MI->getOperand(0).getReg());
}
- assert(0 && "Unhandled update pattern!");
- return 0;
+ llvm_unreachable("Unhandled update pattern!");
}
// Return true if this MachineInstr inserts a scalar (SPR) value into
if (!MI->isFullCopy())
return MI;
if (!TRI->isVirtualRegister(MI->getOperand(1).getReg()))
- return NULL;
+ return nullptr;
MachineInstr *Def = MRI->getVRegDef(MI->getOperand(1).getReg());
if (!Def)
- return NULL;
+ return nullptr;
return elideCopies(Def);
}
}
bool A15SDOptimizer::runOnMachineFunction(MachineFunction &Fn) {
- TII = static_cast<const ARMBaseInstrInfo*>(Fn.getTarget().getInstrInfo());
- TRI = Fn.getTarget().getRegisterInfo();
+ TII = static_cast<const ARMBaseInstrInfo *>(Fn.getSubtarget().getInstrInfo());
+ TRI = Fn.getSubtarget().getRegisterInfo();
MRI = &Fn.getRegInfo();
bool Modified = false;