diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index 8ebdb65e88dc67f41e8dd2598051d6eeb38c2119..a103f7296f55ce09ae68c85610d4098c3a88e26f 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -174,6 +174,7 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
     TLI.setAvailable(LibFunc_getchar_unlocked);
     TLI.setAvailable(LibFunc_putc_unlocked);
     TLI.setAvailable(LibFunc_putchar_unlocked);
+    TLI.setUnavailable(LibFunc_memrchr); // OHOS_LOCAL TODO
 
     if (T.isMacOSXVersionLT(10, 5)) {
       TLI.setUnavailable(LibFunc_memset_pattern4);