1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
index d1daaa684ad..37851ba87da 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -519,7 +519,8 @@ public:
     auto EnqueueOperands = [&](Instruction &I) {
       for (auto *Op : I.operand_values())
         if (auto *OpI = dyn_cast<Instruction>(Op))
-          Worklist.insert(OpI);
+          if (!OpI->use_empty())
+            Worklist.insert(OpI);
     };
 
     // Start by initializing worklist with simplified instructions.
@@ -541,8 +542,6 @@ public:
         continue;
       if (DeadInstructions.count(I))
         continue;
-      if (I->getNumUses() == 0)
-        continue;
       bool AllUsersFolded = true;
       for (User *U : I->users()) {
         Instruction *UI = dyn_cast<Instruction>(U);