Index: llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -2347,6 +2347,7 @@
     new ICmpInst(Cond, Pred, Cond->getOperand(0), NewRHS, "scmp");
 
   // Delete the max calculation instructions.
+  NewCond->setDebugLoc(Cond->getDebugLoc());
   Cond->replaceAllUsesWith(NewCond);
   CondUse->setUser(NewCond);
   Instruction *Cmp = cast<Instruction>(Sel->getOperand(0));