22 // coupled RDIV subscripts and lacks a multi-subscript MIV test.
77 STATISTIC(CoupledSubscriptPairs, "Coupled subscript pairs");
3680   SmallBitVector Coupled(Pairs);  in depends()  local
3682   // Partition subscripts into separable and minimally-coupled groups  in depends()
3725   // to either Separable or Coupled).  in depends()
3735   // so Done remains true and we add it to the Coupled set.  in depends()
3738   // In the end, we've got 1 separable subscript and 1 coupled group.  in depends()
3755       // SIV, RDIV, or MIV, so check for coupled group  in depends()
3774           Coupled.set(SI);  in depends()
3783   LLVM_DEBUG(dbgs() << "    Coupled = ");  in depends()
3784   LLVM_DEBUG(dumpSmallBitVector(Coupled));  in depends()
3822   if (Coupled.count()) {  in depends()
3823     // test coupled subscript groups  in depends()
3824     LLVM_DEBUG(dbgs() << "starting on coupled subscripts\n");  in depends()
3829     for (unsigned SI : Coupled.set_bits()) {  in depends()
3850           // SJ is an SIV subscript that's part of the current coupled group  in depends()
3873             // SJ is an MIV subscript that's part of the current coupled group  in depends()
4073   SmallBitVector Coupled(Pairs);  in getSplitIteration()  local
4075   // partition subscripts into separable and minimally-coupled groups  in getSplitIteration()
4090       // SIV, RDIV, or MIV, so check for coupled group  in getSplitIteration()
4107           Coupled.set(SI);  in getSplitIteration()
4138   if (Coupled.count()) {  in getSplitIteration()
4139     // test coupled subscript groups  in getSplitIteration()
4143     for (unsigned SI : Coupled.set_bits()) {  in getSplitIteration()
4157           // SJ is an SIV subscript that's part of the current coupled group  in getSplitIteration()
4172             // SJ is an MIV subscript that's part of the current coupled group  in getSplitIteration()