Transforms/Scalar/InductiveRangeCheckElimination.cpp

445   // `Latch's terminator instruction is `LatchBr', and it's `LatchBrExitIdx'th
449   unsigned LatchBrExitIdx;
458         LatchExit(nullptr), LatchBrExitIdx(-1), IndVarNext(nullptr),
468     Result.LatchBrExitIdx = LatchBrExitIdx;
675   unsigned LatchBrExitIdx = LatchBr->getSuccessor(0) == Header ? 1 : 0;
678     BPI.getEdgeProbability(LatchBr->getParent(), LatchBrExitIdx);
779         (Pred == ICmpInst::ICMP_SLT && LatchBrExitIdx == 1) ||
780         (Pred == ICmpInst::ICMP_SGT && LatchBrExitIdx == 0);
787     if (LatchBrExitIdx == 0) {
801         (Pred == ICmpInst::ICMP_SGT && LatchBrExitIdx == 1) ||
802         (Pred == ICmpInst::ICMP_SLT && LatchBrExitIdx == 0);
809     if (LatchBrExitIdx == 0) {
826   BasicBlock *LatchExit = LatchBr->getSuccessor(LatchBrExitIdx);
846   Result.LatchBrExitIdx = LatchBrExitIdx;
1071   LS.LatchBr->setSuccessor(LS.LatchBrExitIdx, RRI.ExitSelector);
1076   Value *CondForBranch = LS.LatchBrExitIdx == 1