; RUN: opt < %s -basic-aa -dse -S -enable-dse-partial-overwrite-tracking | FileCheck %s ; PR28588 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; Function Attrs: nounwind define void @_UPT_destroy(i8* nocapture %ptr) local_unnamed_addr #0 { entry: %edi = getelementptr inbounds i8, i8* %ptr, i64 8 ; CHECK-NOT: tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false) ; CHECK-NOT: store i32 -1, i32* %addr tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false) %format4.i = getelementptr inbounds i8, i8* %ptr, i64 144 %addr = bitcast i8* %format4.i to i32* store i32 -1, i32* %addr, align 8 ; CHECK: tail call void @free tail call void @free(i8* nonnull %ptr) ret void } ; Function Attrs: nounwind declare void @free(i8* nocapture allocptr) local_unnamed_addr #0 ; Function Attrs: argmemonly nounwind declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1 attributes #0 = { nounwind allockind("free")} attributes #1 = { argmemonly nounwind }