diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -6316,7 +6316,7 @@
     ScheduleData *BundleMember = picked;
     while (BundleMember) {
       Instruction *pickedInst = BundleMember->Inst;
-      if (LastScheduledInst->getNextNode() != pickedInst) {
+      if (pickedInst->getNextNode() != LastScheduledInst) {
         BS->BB->getInstList().remove(pickedInst);
         BS->BB->getInstList().insert(LastScheduledInst->getIterator(),
                                      pickedInst);