}
}
+/// RenumberValues - Renumber all values in order of appearance and delete the
+/// remaining unused values.
+void LiveInterval::RenumberValues() {
+ SmallPtrSet<VNInfo*, 8> Seen;
+ valnos.clear();
+ for (const_iterator I = begin(), E = end(); I != E; ++I) {
+ VNInfo *VNI = I->valno;
+ if (!Seen.insert(VNI))
+ continue;
+ assert(!VNI->isUnused() && "Unused valno used by live range");
+ VNI->id = (unsigned)valnos.size();
+ valnos.push_back(VNI);
+ }
+}
+
/// extendIntervalEndTo - This method is used when we want to extend the range
/// specified by I to end at the specified endpoint. To do this, we should
/// merge and eliminate all ranges that this will overlap with. The iterator is