/// slots to use the joint slots.
void remapInstructions(DenseMap<int, int> &SlotRemap);
- /// The input program may contain intructions which are not inside lifetime
+ /// The input program may contain instructions which are not inside lifetime
/// markers. This can happen due to a bug in the compiler or due to a bug in
/// user code (for example, returning a reference to a local variable).
/// This procedure checks all of the instructions in the function and
SmallPtrSet<const MachineBasicBlock*, 8> NextBBSet;
- for (SmallVector<const MachineBasicBlock*, 8>::iterator
- PI = BasicBlockNumbering.begin(), PE = BasicBlockNumbering.end();
- PI != PE; ++PI) {
+ for (SmallVectorImpl<const MachineBasicBlock *>::iterator
+ PI = BasicBlockNumbering.begin(), PE = BasicBlockNumbering.end();
+ PI != PE; ++PI) {
const MachineBasicBlock *BB = *PI;
if (!BBSet.count(BB)) continue;
}
// Create the interval of the blocks that we previously found to be 'alive'.
- BitVector Alive = BlockLiveness[MBB].LiveIn;
- Alive |= BlockLiveness[MBB].LiveOut;
-
- if (Alive.any()) {
- for (int pos = Alive.find_first(); pos != -1;
- pos = Alive.find_next(pos)) {
- if (!Starts[pos].isValid())
- Starts[pos] = Indexes->getMBBStartIdx(MBB);
- if (!Finishes[pos].isValid())
- Finishes[pos] = Indexes->getMBBEndIdx(MBB);
- }
+ BlockLifetimeInfo &MBBLiveness = BlockLiveness[MBB];
+ for (int pos = MBBLiveness.LiveIn.find_first(); pos != -1;
+ pos = MBBLiveness.LiveIn.find_next(pos)) {
+ Starts[pos] = Indexes->getMBBStartIdx(MBB);
+ }
+ for (int pos = MBBLiveness.LiveOut.find_first(); pos != -1;
+ pos = MBBLiveness.LiveOut.find_next(pos)) {
+ Finishes[pos] = Indexes->getMBBEndIdx(MBB);
}
for (unsigned i = 0; i < NumSlots; ++i) {
SlotIndex F = Finishes[i];
if (S < F) {
// We have a single consecutive region.
- Intervals[i]->addRange(LiveRange(S, F, ValNum));
+ Intervals[i]->addSegment(LiveInterval::Segment(S, F, ValNum));
} else {
- // We have two non consecutive regions. This happens when
+ // We have two non-consecutive regions. This happens when
// LIFETIME_START appears after the LIFETIME_END marker.
SlotIndex NewStart = Indexes->getMBBStartIdx(MBB);
SlotIndex NewFin = Indexes->getMBBEndIdx(MBB);
- Intervals[i]->addRange(LiveRange(NewStart, F, ValNum));
- Intervals[i]->addRange(LiveRange(S, NewFin, ValNum));
+ Intervals[i]->addSegment(LiveInterval::Segment(NewStart, F, ValNum));
+ Intervals[i]->addSegment(LiveInterval::Segment(S, NewFin, ValNum));
}
}
}
// Merge disjoint slots.
if (!First->overlaps(*Second)) {
Changed = true;
- First->MergeRangesInAsValue(*Second, First->getValNumInfo(0));
+ First->MergeSegmentsInAsValue(*Second, First->getValNumInfo(0));
SlotRemap[SecondSlot] = FirstSlot;
SortedSlots[J] = -1;
DEBUG(dbgs()<<"Merging #"<<FirstSlot<<" and slots #"<<