624                                   Loop &L, const char *&FailureReason) {  in parseLoopStructure()  argument
629     FailureReason = "no loop latch";  in parseLoopStructure()
636     FailureReason = "no preheader";  in parseLoopStructure()
642     FailureReason = "latch terminator not conditional branch";  in parseLoopStructure()
652     FailureReason = "short running loop, not profitable";  in parseLoopStructure()
658     FailureReason = "latch terminator branch not conditional on integral icmp";  in parseLoopStructure()
664     FailureReason = "could not compute latch count";  in parseLoopStructure()
683       FailureReason = "no add recurrences in the icmp";  in parseLoopStructure()
742     FailureReason = "LHS in icmp not induction variable";  in parseLoopStructure()
754       FailureReason = "expected icmp slt semantically, found something else";  in parseLoopStructure()
762         FailureReason = "limit may overflow when coercing sle to slt";  in parseLoopStructure()
776       FailureReason = "expected icmp sgt semantically, found something else";  in parseLoopStructure()
784         FailureReason = "limit may overflow when coercing sge to sgt";  in parseLoopStructure()
823   FailureReason = nullptr;  in parseLoopStructure()
1406   const char *FailureReason = nullptr;  in runOnLoop()  local
1408       LoopStructure::parseLoopStructure(SE, BPI, *L, FailureReason);  in runOnLoop()
1410     DEBUG(dbgs() << "irce: could not parse loop structure: " << FailureReason  in runOnLoop()