; LLVM IR from RemHero/ReUp-DateBase-Raft :: layer3/ossSocket.ll (ZN10_ossSocketC2Ev)

; 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 }

; 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: mustprogress nounwind uwtable
define dso_local void @_ZN10_ossSocketC2Ev(ptr noundef nonnull align 4 dereferenceable(52) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 3
  %5 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 4
  %6 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 5
  store i8 0, ptr %6, align 4, !tbaa !9
  %7 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 0
  store i32 0, ptr %7, align 4, !tbaa !16
  %8 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 6
  store i32 0, ptr %8, align 4, !tbaa !17
  %9 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 3
  call void @llvm.memset.p0.i64(ptr align 4 %9, i8 0, i64 16, i1 false)
  %10 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 4
  call void @llvm.memset.p0.i64(ptr align 4 %10, i8 0, i64 16, i1 false)
  %11 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 2
  store i32 16, ptr %11, align 4, !tbaa !18
  %12 = getelementptr inbounds %class._ossSocket, ptr %3, i32 0, i32 1
  store i32 16, ptr %12, align 4, !tbaa !19
  ret void
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { 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" }

!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, !15, i64 44}
!10 = !{!"_ZTS10_ossSocket", !11, i64 0, !11, i64 4, !11, i64 8, !12, i64 12, !12, i64 28, !15, i64 44, !11, i64 48}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS11sockaddr_in", !13, i64 0, !13, i64 2, !14, i64 4, !7, i64 8}
!13 = !{!"short", !7, i64 0}
!14 = !{!"_ZTS7in_addr", !11, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = !{!10, !11, i64 0}
!17 = !{!10, !11, i64 48}
!18 = !{!10, !11, i64 8}
!19 = !{!10, !11, 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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN10_ossSocketC2Ev(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(52) %0) unnamed_addr #1 align 2 {
  store i32 0, ptr %0, align 4, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  store i32 0, ptr %2, align 4, !tbaa !14
  %3 = getelementptr inbounds i8, ptr %0, i64 12
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(33) %3, i8 0, i64 33, i1 false)
  store i32 16, ptr %4, align 4, !tbaa !15
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 16, ptr %5, align 4, !tbaa !16
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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" }

!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, !7, i64 0}
!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 8}
!16 = !{!6, !7, i64 4}


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