verify();
}
+bool LiveRange::isLiveAtIndexes(ArrayRef<SlotIndex> Slots) const {
+ ArrayRef<SlotIndex>::iterator SlotI = Slots.begin();
+ ArrayRef<SlotIndex>::iterator SlotE = Slots.end();
+
+ // If there are no regmask slots, we have nothing to search.
+ if (SlotI == SlotE)
+ return false;
+
+ // Start our search at the first segment that ends after the first slot.
+ const_iterator SegmentI = find(*SlotI);
+ const_iterator SegmentE = end();
+
+ // If there are no segments that end after the first slot, we're done.
+ if (SegmentI == SegmentE)
+ return false;
+
+ // Look for each slot in the live range.
+ for ( ; SlotI != SlotE; ++SlotI) {
+ // Go to the next segment that ends after the current slot.
+ // The slot may be within a hole in the range.
+ SegmentI = advanceTo(SegmentI, *SlotI);
+ if (SegmentI == SegmentE)
+ return false;
+
+ // If this segment contains the slot, we're done.
+ if (SegmentI->contains(*SlotI))
+ return true;
+ // Otherwise, look for the next slot.
+ }
+
+ // We didn't find a segment containing any of the slots.
+ return false;
+}
+
void LiveInterval::freeSubRange(SubRange *S) {
S->~SubRange();
// Memory was allocated with BumpPtr allocator and is not freed here.