2 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/InlineCost.cpp b/llvm/lib/Analysis/InlineCost.cpp
index c4fee39..5169b43 100644
--- a/llvm/lib/Analysis/InlineCost.cpp
+++ b/llvm/lib/Analysis/InlineCost.cpp
@@ -1242,7 +1242,7 @@ public:
     return std::nullopt;
   }
 
-  virtual ~InlineCostCallAnalyzer() = default;
+  ~InlineCostCallAnalyzer() override = default;
   int getThreshold() const { return Threshold; }
   int getCost() const { return Cost; }
   int getStaticBonusApplied() const { return StaticBonusApplied; }
diff --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
index 7adb25d..e27a9b1 100644
--- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp
+++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
@@ -2982,6 +2982,10 @@ void LoopAccessInfo::collectStridedAccess(Value *MemAccess) {
   if (!StrideExpr)
     return;
 
+  if (auto *Unknown = dyn_cast<SCEVUnknown>(StrideExpr))
+    if (isa<UndefValue>(Unknown->getValue()))
+      return;
+
   LLVM_DEBUG(dbgs() << "LAA: Found a strided access that is a candidate for "
                        "versioning:");
   LLVM_DEBUG(dbgs() << "  Ptr: " << *Ptr << " Stride: " << *StrideExpr << "\n");