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Index: lib/Analysis/LoopInfo.cpp
===================================================================
--- a/lib/Analysis/LoopInfo.cpp
+++ b/lib/Analysis/LoopInfo.cpp
@@ -223,15 +223,14 @@
BasicBlock *H = getHeader();
for (BasicBlock *BB : this->blocks()) {
TerminatorInst *TI = BB->getTerminator();
- MDNode *MD = nullptr;
// Check if this terminator branches to the loop header.
- for (BasicBlock *Successor : TI->successors()) {
- if (Successor == H) {
- MD = TI->getMetadata(LLVMContext::MD_loop);
- break;
- }
- }
+ bool IsPredecessor = any_of(TI->successors(),
+ [=](BasicBlock *Successor) { return Successor == H; });
+ if (!IsPredecessor)
+ continue;
+
+ MDNode *MD = TI->getMetadata(LLVMContext::MD_loop);
if (!MD)
return nullptr;
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