diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index 988eacb..deacdb9 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -589,7 +589,7 @@
 
   // Handle strdup-like functions separately.
   if (FnData->AllocTy == StrDupLike) {
-    APInt Size(IntTyBits, GetStringLength(CS.getArgument(0), TLI));
+    APInt Size(IntTyBits, GetStringLength(CS.getArgument(0)));
     if (!Size)
       return unknown();