class LiveInterval;
class LiveIntervals;
class LiveRangeEdit;
+class MachineBlockFrequencyInfo;
class MachineInstr;
class MachineLoopInfo;
class MachineRegisterInfo;
const MachineLoopInfo &Loops;
const TargetInstrInfo &TII;
- // Sorted slot indexes of using instructions.
- SmallVector<SlotIndex, 8> UseSlots;
-
/// Additional information about basic blocks where the current variable is
/// live. Such a block will look like one of these templates:
///
// Current live interval.
const LiveInterval *CurLI;
+ // Sorted slot indexes of using instructions.
+ SmallVector<SlotIndex, 8> UseSlots;
+
/// LastSplitPoint - Last legal split point in each basic block in the current
/// function. The first entry is the first terminator, the second entry is the
/// last valid split point for a variable that is live in to a landing pad
/// splitting.
bool isOriginalEndpoint(SlotIndex Idx) const;
+ /// getUseSlots - Return an array of SlotIndexes of instructions using CurLI.
+ /// This include both use and def operands, at most one entry per instruction.
+ ArrayRef<SlotIndex> getUseSlots() const { return UseSlots; }
+
/// getUseBlocks - Return an array of BlockInfo objects for the basic blocks
/// where CurLI has uses.
ArrayRef<BlockInfo> getUseBlocks() const { return UseBlocks; }
MachineDominatorTree &MDT;
const TargetInstrInfo &TII;
const TargetRegisterInfo &TRI;
+ const MachineBlockFrequencyInfo &MBFI;
public:
/// Create a new SplitEditor for editing the LiveInterval analyzed by SA.
/// Newly created intervals will be appended to newIntervals.
SplitEditor(SplitAnalysis &SA, LiveIntervals&, VirtRegMap&,
- MachineDominatorTree&);
+ MachineDominatorTree&, MachineBlockFrequencyInfo &);
/// reset - Prepare for a new split.
void reset(LiveRangeEdit&, ComplementSpillMode = SM_Partition);