; LLVM IR from RemHero/ReUp-DateBase-Raft :: layer3/ossSocket.ll (ZN10_ossSocketC2EPKcji)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%class._ossSocket = type { i32, i32, i32, %struct.sockaddr_in, %struct.sockaddr_in, i8, i32 }
%struct.sockaddr_in = type { i16, i16, %struct.in_addr, [8 x i8] }
%struct.in_addr = type { i32 }
%struct.hostent = type { ptr, ptr, i32, i32, ptr }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef zeroext i16 @_ZL10__bswap_16t(i16 noundef zeroext) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10_ossSocketC2EPKcji(ptr noundef nonnull align 4 dereferenceable(52) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) unnamed_addr #2 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8
  %11 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 3
  %12 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %13 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 5
  store i8 0, ptr %13, align 4, !tbaa !11
  %14 = load i32, ptr %8, align 4, !tbaa !9
  %15 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 6
  store i32 %14, ptr %15, align 4, !tbaa !17
  %16 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 0
  store i32 0, ptr %16, align 4, !tbaa !18
  %17 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 3
  call void @llvm.memset.p0.i64(ptr align 4 %17, i8 0, i64 16, i1 false)
  %18 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 4
  call void @llvm.memset.p0.i64(ptr align 4 %18, i8 0, i64 16, i1 false)
  %19 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 2
  store i32 16, ptr %19, align 4, !tbaa !19
  %20 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 3
  %21 = getelementptr inbounds %struct.sockaddr_in, ptr %20, i32 0, i32 0
  store i16 2, ptr %21, align 4, !tbaa !20
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call ptr @gethostbyname(ptr noundef %22)
  store ptr %23, ptr %9, align 8, !tbaa !5
  %24 = icmp ne ptr %23, null
  br i1 %24, label %25, label %35

25:                                               ; preds = %4
  %26 = load ptr, ptr %9, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.hostent, ptr %26, i32 0, i32 4
  %28 = load ptr, ptr %27, align 8, !tbaa !21
  %29 = getelementptr inbounds ptr, ptr %28, i64 0
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 3
  %33 = getelementptr inbounds %struct.sockaddr_in, ptr %32, i32 0, i32 2
  %34 = getelementptr inbounds %struct.in_addr, ptr %33, i32 0, i32 0
  store i32 %31, ptr %34, align 4, !tbaa !23
  br label %41

35:                                               ; preds = %4
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = call i32 @inet_addr(ptr noundef %36) #6
  %38 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 3
  %39 = getelementptr inbounds %struct.sockaddr_in, ptr %38, i32 0, i32 2
  %40 = getelementptr inbounds %struct.in_addr, ptr %39, i32 0, i32 0
  store i32 %37, ptr %40, align 4, !tbaa !23
  br label %41

41:                                               ; preds = %35, %25
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = trunc i32 %42 to i16
  %44 = call noundef zeroext i16 @_ZL10__bswap_16t(i16 noundef zeroext %43)
  %45 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 3
  %46 = getelementptr inbounds %struct.sockaddr_in, ptr %45, i32 0, i32 1
  store i16 %44, ptr %46, align 2, !tbaa !24
  %47 = getelementptr inbounds %class._ossSocket, ptr %10, i32 0, i32 1
  store i32 16, ptr %47, align 4, !tbaa !25
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare ptr @gethostbyname(ptr noundef) #4

; Function Attrs: nounwind
declare i32 @inet_addr(ptr noundef) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !16, i64 44}
!12 = !{!"_ZTS10_ossSocket", !10, i64 0, !10, i64 4, !10, i64 8, !13, i64 12, !13, i64 28, !16, i64 44, !10, i64 48}
!13 = !{!"_ZTS11sockaddr_in", !14, i64 0, !14, i64 2, !15, i64 4, !7, i64 8}
!14 = !{!"short", !7, i64 0}
!15 = !{!"_ZTS7in_addr", !10, i64 0}
!16 = !{!"bool", !7, i64 0}
!17 = !{!12, !10, i64 48}
!18 = !{!12, !10, i64 0}
!19 = !{!12, !10, i64 8}
!20 = !{!12, !14, i64 12}
!21 = !{!22, !6, i64 24}
!22 = !{!"_ZTS7hostent", !6, i64 0, !6, i64 8, !10, i64 16, !10, i64 20, !6, i64 24}
!23 = !{!12, !10, i64 16}
!24 = !{!12, !14, i64 14}
!25 = !{!12, !10, i64 4}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef zeroext i16 @_ZL10__bswap_16t(i16 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10_ossSocketC2EPKcji(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(52) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) unnamed_addr #2 align 2 {
  %5 = getelementptr inbounds i8, ptr %0, i64 44
  store i8 0, ptr %5, align 4, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 48
  store i32 %3, ptr %6, align 4, !tbaa !14
  store i32 0, ptr %0, align 4, !tbaa !15
  %7 = getelementptr inbounds i8, ptr %0, i64 12
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(32) %7, i8 0, i64 32, i1 false)
  store i32 16, ptr %8, align 4, !tbaa !16
  store i16 2, ptr %7, align 4, !tbaa !17
  %9 = tail call ptr @gethostbyname(ptr noundef %1)
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %15, label %10

10:                                               ; preds = %4
  %11 = getelementptr inbounds i8, ptr %9, i64 24
  %12 = load ptr, ptr %11, align 8, !tbaa !18
  %13 = load ptr, ptr %12, align 8, !tbaa !21
  %14 = load i32, ptr %13, align 4, !tbaa !22
  br label %17

15:                                               ; preds = %4
  %16 = tail call i32 @inet_addr(ptr noundef %1) #5
  br label %17

17:                                               ; preds = %15, %10
  %.sink = phi i32 [ %16, %15 ], [ %14, %10 ]
  %18 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 %.sink, ptr %18, align 4
  %19 = trunc i32 %2 to i16
  %20 = tail call noundef zeroext i16 @_ZL10__bswap_16t(i16 noundef zeroext %19)
  %21 = getelementptr inbounds i8, ptr %0, i64 14
  store i16 %20, ptr %21, align 2, !tbaa !23
  %22 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 16, ptr %22, align 4, !tbaa !24
  ret void
}

declare ptr @gethostbyname(ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind
declare i32 @inet_addr(ptr noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !13, i64 44}
!6 = !{!"_ZTS10_ossSocket", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 12, !10, i64 28, !13, i64 44, !7, i64 48}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS11sockaddr_in", !11, i64 0, !11, i64 2, !12, i64 4, !8, i64 8}
!11 = !{!"short", !8, i64 0}
!12 = !{!"_ZTS7in_addr", !7, i64 0}
!13 = !{!"bool", !8, i64 0}
!14 = !{!6, !7, i64 48}
!15 = !{!6, !7, i64 0}
!16 = !{!6, !7, i64 8}
!17 = !{!6, !11, i64 12}
!18 = !{!19, !20, i64 24}
!19 = !{!"_ZTS7hostent", !20, i64 0, !20, i64 8, !7, i64 16, !7, i64 20, !20, i64 24}
!20 = !{!"any pointer", !8, i64 0}
!21 = !{!20, !20, i64 0}
!22 = !{!7, !7, i64 0}
!23 = !{!6, !11, i64 14}
!24 = !{!6, !7, i64 4}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass