Index: llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
===================================================================
--- llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -76,9 +76,9 @@
              "dependency analysis (default = 100)"));
 
 static cl::opt<unsigned>
-    BlockNumberLimit("memdep-block-number-limit", cl::Hidden, cl::init(1000),
+    BlockNumberLimit("memdep-block-number-limit", cl::Hidden, cl::init(300),
                      cl::desc("The number of blocks to scan during memory "
-                              "dependency analysis (default = 1000)"));
+                              "dependency analysis (default = 300)"));
 
 // Limit on the number of memdep results to process.
 static const unsigned int NumResultsLimit = 100;