lib/Analysis/LoopNestAnalysis.cpp

163   const BasicBlock *InnerLoopPreHeader = InnerLoop.getLoopPreheader();
167       (InnerLoopPreHeader != OuterLoopHeader &&
168        !containsOnlySafeInstructions(*InnerLoopPreHeader)) ||
227   const BasicBlock *InnerLoopPreHeader = InnerLoop.getLoopPreheader();
234   if (InnerLoopPreHeader != OuterLoopHeader) {
235     GetUnsafeInstructions(*InnerLoopPreHeader);
328   const BasicBlock *InnerLoopPreHeader = InnerLoop.getLoopPreheader();
361   if (OuterLoopHeader != InnerLoopPreHeader) {
363         LoopNest::skipEmptyBlockUntil(OuterLoopHeader, InnerLoopPreHeader);
366     if (&SingleSucc != InnerLoopPreHeader) {
384               &LoopNest::skipEmptyBlockUntil(Succ, InnerLoopPreHeader);
389         if (PotentialInnerPreHeader == InnerLoopPreHeader)