Transforms/Scalar/LoopRerollPass.cpp

552             Instruction *UUser = dyn_cast<Instruction>(UU);
555             if (BO->hasNoSignedWrap() && UUser && UUser->hasOneUse() &&
556                 isa<SExtInst>(UUser))
557               UUser = dyn_cast<Instruction>(*(UUser->user_begin()));
558             if (!isCompareUsedByBranch(UUser))
1175         Instruction *UUser = dyn_cast<Instruction>(UU);
1176         // UUser could be compare, PHI or branch
1177         Uses[UUser].set(IL_All);
1179         if (isa<SExtInst>(UUser)) {
1180           UUser = dyn_cast<Instruction>(*(UUser->user_begin()));
1181           Uses[UUser].set(IL_All);
1183         // Is UUser a compare instruction?
1185           Instruction *BI = dyn_cast<BranchInst>(*UUser->user_begin());