diff --git a/llvm/include/llvm/IR/Intrinsics.td b/llvm/include/llvm/IR/Intrinsics.td
--- a/llvm/include/llvm/IR/Intrinsics.td
+++ b/llvm/include/llvm/IR/Intrinsics.td
@@ -519,8 +519,8 @@
 def int_memset  : Intrinsic<[],
                             [llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty,
                              llvm_i1_ty],
-                            [IntrArgMemOnly, IntrWillReturn, NoCapture<0>, WriteOnly<0>,
-                            ImmArg<3>]>;
+                            [IntrWriteMem, IntrArgMemOnly, IntrWillReturn, NoCapture<0>,
+                             WriteOnly<0>, ImmArg<3>]>;
 
 // FIXME: Add version of these floating point intrinsics which allow non-default
 // rounding modes and FP exception handling.
@@ -1221,7 +1221,8 @@
 // @llvm.memset.element.unordered.atomic.*(dest, value, length, elementsize)
 def int_memset_element_unordered_atomic
     : Intrinsic<[], [ llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty, llvm_i32_ty ],
-                [ IntrArgMemOnly, IntrWillReturn, NoCapture<0>, WriteOnly<0>, ImmArg<3> ]>;
+                [ IntrWriteMem, IntrArgMemOnly, IntrWillReturn, NoCapture<0>, WriteOnly<0>,
+                  ImmArg<3> ]>;
 
 //===------------------------ Reduction Intrinsics ------------------------===//
 //
diff --git a/llvm/test/Transforms/DeadStoreElimination/simple.ll b/llvm/test/Transforms/DeadStoreElimination/simple.ll
--- a/llvm/test/Transforms/DeadStoreElimination/simple.ll
+++ b/llvm/test/Transforms/DeadStoreElimination/simple.ll
@@ -508,7 +508,7 @@
 ; CHECK-NEXT:    store i8 97, i8* [[ARRAYIDX]], align 1
 ; CHECK-NEXT:    [[ARRAYIDX1:%.*]] = getelementptr inbounds [2 x i8], [2 x i8]* [[X]], i64 0, i64 1
 ; CHECK-NEXT:    store i8 0, i8* [[ARRAYIDX1]], align 1
-; CHECK-NEXT:    [[CALL:%.*]] = call i8* @strdup(i8* [[ARRAYIDX]]) #2
+; CHECK-NEXT:    [[CALL:%.*]] = call i8* @strdup(i8* [[ARRAYIDX]]) #3
 ; CHECK-NEXT:    ret i8* [[CALL]]
 ;
   %x = alloca [2 x i8], align 1
@@ -546,7 +546,7 @@
 ; CHECK-NEXT:    [[P_4:%.*]] = getelementptr i8, i8* [[P:%.*]], i64 4
 ; CHECK-NEXT:    [[TMP:%.*]] = load i8, i8* [[P_4]], align 1
 ; CHECK-NEXT:    store i8 0, i8* [[P_4]], align 1
-; CHECK-NEXT:    [[Q:%.*]] = call i8* @strdup(i8* [[P]]) #5
+; CHECK-NEXT:    [[Q:%.*]] = call i8* @strdup(i8* [[P]]) #6
 ; CHECK-NEXT:    store i8 [[TMP]], i8* [[P_4]], align 1
 ; CHECK-NEXT:    ret i8* [[Q]]
 ;