MachineInstr& front() { return Insts.front(); }
MachineInstr& back() { return Insts.back(); }
+ const MachineInstr& front() const { return Insts.front(); }
+ const MachineInstr& back() const { return Insts.back(); }
iterator begin() { return Insts.begin(); }
const_iterator begin() const { return Insts.begin(); }
/// block.
bool isSuccessor(MachineBasicBlock *MBB) const;
+ /// isLayoutSuccessor - Return true if the specified MBB will be emitted
+ /// immediately after this block, such that if this block exits by
+ /// falling through, control will transfer to the specified MBB. Note
+ /// that MBB need not be a successor at all, for example if this block
+ /// ends with an unconditional branch to some other block.
+ bool isLayoutSuccessor(MachineBasicBlock *MBB) const;
+
/// getFirstTerminator - returns an iterator to the first terminator
/// instruction of this basic block. If a terminator does not exist,
/// it returns end()