1; RUN: opt < %s -basic-aa -dse -S -enable-dse-partial-overwrite-tracking | FileCheck %s
2; PR28588
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7; Function Attrs: nounwind
8define void @_UPT_destroy(i8* nocapture %ptr) local_unnamed_addr #0 {
9entry:
10  %edi = getelementptr inbounds i8, i8* %ptr, i64 8
11
12; CHECK-NOT: tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false)
13; CHECK-NOT: store i32 -1, i32* %addr
14
15  tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false)
16  %format4.i = getelementptr inbounds i8, i8* %ptr, i64 144
17  %addr = bitcast i8* %format4.i to i32*
18  store i32 -1, i32* %addr, align 8
19
20; CHECK: tail call void @free
21  tail call void @free(i8* nonnull %ptr)
22  ret void
23}
24
25; Function Attrs: nounwind
26declare void @free(i8* nocapture) local_unnamed_addr #0
27
28; Function Attrs: argmemonly nounwind
29declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1
30
31attributes #0 = { nounwind }
32attributes #1 = { argmemonly nounwind }
33