diff --git a/llvm/include/llvm/Analysis/LoopAccessAnalysis.h b/llvm/include/llvm/Analysis/LoopAccessAnalysis.h
--- a/llvm/include/llvm/Analysis/LoopAccessAnalysis.h
+++ b/llvm/include/llvm/Analysis/LoopAccessAnalysis.h
@@ -200,7 +200,7 @@
 
   /// The maximum number of bytes of a vector register we can vectorize
   /// the accesses safely with.
-  uint64_t getMaxSafeDepDistBytes() { return MaxSafeDepDistBytes; }
+  uint64_t getMaxSafeDepDistBytes() const { return MaxSafeDepDistBytes; }
 
   /// Return the number of elements that are safe to operate on
   /// simultaneously, multiplied by the size of the element in bits.