diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index 64f5799..93d537a 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -596,7 +596,6 @@
   case LibFunc::strtok_r:
     return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
   case LibFunc::scanf:
-    return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
   case LibFunc::setbuf:
   case LibFunc::setvbuf:
     return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
@@ -604,13 +603,9 @@
   case LibFunc::strndup:
     return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
             FTy.getParamType(0)->isPointerTy());
+  case LibFunc::sscanf:
   case LibFunc::stat:
   case LibFunc::statvfs:
-    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
-            FTy.getParamType(1)->isPointerTy());
-  case LibFunc::sscanf:
-    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
-            FTy.getParamType(1)->isPointerTy());
   case LibFunc::sprintf:
     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
             FTy.getParamType(1)->isPointerTy());
@@ -674,7 +669,6 @@
   case LibFunc::read:
     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
   case LibFunc::rewind:
-    return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
   case LibFunc::rmdir:
   case LibFunc::remove:
   case LibFunc::realpath:
@@ -688,8 +682,6 @@
   case LibFunc::write:
     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
   case LibFunc::bcopy:
-    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
-            FTy.getParamType(1)->isPointerTy());
   case LibFunc::bcmp:
     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
             FTy.getParamType(1)->isPointerTy());