template<class OtherTy, class OtherIterTy>
bundle_iterator(const bundle_iterator<OtherTy, OtherIterTy> &I)
: MII(I.getInstrIterator()) {}
- bundle_iterator() : MII(0) {}
+ bundle_iterator() : MII(nullptr) {}
Ty &operator*() const { return *MII; }
Ty *operator->() const { return &operator*(); }
unsigned size() const { return (unsigned)Insts.size(); }
bool empty() const { return Insts.empty(); }
- MachineInstr& front() { return Insts.front(); }
- MachineInstr& back() { return Insts.back(); }
- const MachineInstr& front() const { return Insts.front(); }
- const MachineInstr& back() const { return Insts.back(); }
+ MachineInstr &instr_front() { return Insts.front(); }
+ MachineInstr &instr_back() { return Insts.back(); }
+ const MachineInstr &instr_front() const { return Insts.front(); }
+ const MachineInstr &instr_back() const { return Insts.back(); }
+
+ MachineInstr &front() { return Insts.front(); }
+ MachineInstr &back() { return *--end(); }
+ const MachineInstr &front() const { return Insts.front(); }
+ const MachineInstr &back() const { return *--end(); }
instr_iterator instr_begin() { return Insts.begin(); }
const_instr_iterator instr_begin() const { return Insts.begin(); }
reverse_iterator rend () { return instr_rend(); }
const_reverse_iterator rend () const { return instr_rend(); }
+ inline iterator_range<iterator> terminators() {
+ return iterator_range<iterator>(getFirstTerminator(), end());
+ }
+ inline iterator_range<const_iterator> terminators() const {
+ return iterator_range<const_iterator>(getFirstTerminator(), end());
+ }
// Machine-CFG iterators
typedef std::vector<MachineBasicBlock *>::iterator pred_iterator;
/// computeRegisterLiveness - Return whether (physical) register \c Reg
/// has been <def>ined and not <kill>ed as of just before \c MI.
- ///
+ ///
/// Search is localised to a neighborhood of
/// \c Neighborhood instructions before (searching for defs or kills) and
/// Neighborhood instructions after (searching just for defs) MI.
// Debugging methods.
void dump() const;
- void print(raw_ostream &OS, SlotIndexes* = 0) const;
+ void print(raw_ostream &OS, SlotIndexes* = nullptr) const;
// Printing method used by LoopInfo.
- void printAsOperand(raw_ostream &OS, bool PrintType = true);
+ void printAsOperand(raw_ostream &OS, bool PrintType = true) const;
/// getNumber - MachineBasicBlocks are uniquely numbered at the function
/// level, unless they're not in a MachineFunction yet, in which case this