; LLVM IR from wichue/nethello :: src/core/press/PressSession.ll (ZN3chw12PressSessionC2ERKSt10shared_ptrINS_6SocketEE)

; 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.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.chw::PressSession" = type { %"class.chw::Session", i64, i64, i64, %"class.std::__cxx11::basic_string" }
%"class.chw::Session" = type { ptr, %"class.std::enable_shared_from_this", i8, %"class.std::__cxx11::basic_string", %"class.std::shared_ptr", %"class.std::__cxx11::basic_string" }
%"class.std::enable_shared_from_this" = type { %"class.std::weak_ptr" }
%"class.std::weak_ptr" = type { %"class.std::__weak_ptr" }
%"class.std::__weak_ptr" = type { ptr, %"class.std::__weak_count" }
%"class.std::__weak_count" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

@_ZTVN3chw12PressSessionE = external dso_local unnamed_addr constant { [12 x ptr] }, align 8
@_ZTIN3chw12PressSessionE = external dso_local constant { ptr, ptr, ptr }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3chw12PressSessionC2ERKSt10shared_ptrINS_6SocketEE(ptr noundef nonnull align 8 dereferenceable(168) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN3chw7SessionC2ERKSt10shared_ptrINS_6SocketEE(ptr noundef nonnull align 8 dereferenceable(112) %8, ptr noundef nonnull align 8 dereferenceable(16) %9)
  store ptr getelementptr inbounds inrange(-16, 80) ({ [12 x ptr] }, ptr @_ZTVN3chw12PressSessionE, i32 0, i32 0, i32 2), ptr %8, align 8, !tbaa !9
  %10 = getelementptr inbounds %"class.chw::PressSession", ptr %8, i32 0, i32 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #4
  %11 = call noundef ptr @_ZNKSt9type_info4nameEv(ptr noundef nonnull align 8 dereferenceable(16) @_ZTIN3chw12PressSessionE) #4
  invoke void @_ZN3chw8demangleB5cxx11EPKc(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef %11)
          to label %12 unwind label %18

12:                                               ; preds = %2
  %13 = getelementptr inbounds %"class.chw::PressSession", ptr %8, i32 0, i32 4
  %14 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  %15 = getelementptr inbounds %"class.chw::PressSession", ptr %8, i32 0, i32 1
  store i64 0, ptr %15, align 8, !tbaa !11
  %16 = getelementptr inbounds %"class.chw::PressSession", ptr %8, i32 0, i32 2
  store i64 0, ptr %16, align 8, !tbaa !25
  %17 = getelementptr inbounds %"class.chw::PressSession", ptr %8, i32 0, i32 3
  store i64 0, ptr %17, align 8, !tbaa !26
  ret void

18:                                               ; preds = %2
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %6, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @_ZN3chw7SessionD2Ev(ptr noundef nonnull align 8 dereferenceable(112) %8) #4
  br label %22

22:                                               ; preds = %18
  %23 = load ptr, ptr %6, align 8
  %24 = load i32, ptr %7, align 4
  %25 = insertvalue { ptr, i32 } poison, ptr %23, 0
  %26 = insertvalue { ptr, i32 } %25, i32 %24, 1
  resume { ptr, i32 } %26
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3chw7SessionC2ERKSt10shared_ptrINS_6SocketEE(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @_ZN3chw8demangleB5cxx11EPKc(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt9type_info4nameEv(ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3chw7SessionD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #1 align 2

attributes #0 = { 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 #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" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 }

!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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !21, i64 112}
!12 = !{!"_ZTSN3chw12PressSessionE", !13, i64 0, !21, i64 112, !21, i64 120, !21, i64 128, !19, i64 136}
!13 = !{!"_ZTSN3chw7SessionE", !14, i64 8, !18, i64 24, !19, i64 32, !22, i64 64, !19, i64 80}
!14 = !{!"_ZTSSt23enable_shared_from_thisIN3chw7SessionEE", !15, i64 0}
!15 = !{!"_ZTSSt8weak_ptrIN3chw7SessionEE", !16, i64 0}
!16 = !{!"_ZTSSt10__weak_ptrIN3chw7SessionELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !17, i64 8}
!17 = !{!"_ZTSSt12__weak_countILN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0}
!18 = !{!"bool", !7, i64 0}
!19 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !20, i64 0, !21, i64 8, !7, i64 16}
!20 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!21 = !{!"long", !7, i64 0}
!22 = !{!"_ZTSSt10shared_ptrIN3chw6SocketEE", !23, i64 0}
!23 = !{!"_ZTSSt12__shared_ptrIN3chw6SocketELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !24, i64 8}
!24 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0}
!25 = !{!12, !21, i64 120}
!26 = !{!12, !21, i64 128}


; 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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_ZTVN3chw12PressSessionE = external dso_local unnamed_addr constant { [12 x ptr] }, align 8
@_ZTIN3chw12PressSessionE = external dso_local constant { ptr, ptr, ptr }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3chw12PressSessionC2ERKSt10shared_ptrINS_6SocketEE(ptr noundef nonnull align 8 dereferenceable(168) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  tail call void @_ZN3chw7SessionC2ERKSt10shared_ptrINS_6SocketEE(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef nonnull align 8 dereferenceable(16) %1)
  store ptr getelementptr inbounds inrange(-16, 80) (i8, ptr @_ZTVN3chw12PressSessionE, i64 16), ptr %0, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 136
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  %5 = tail call noundef ptr @_ZNKSt9type_info4nameEv(ptr noundef nonnull align 8 dereferenceable(16) @_ZTIN3chw12PressSessionE) #5
  invoke void @_ZN3chw8demangleB5cxx11EPKc(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef %5)
          to label %6 unwind label %9

6:                                                ; preds = %2
  %7 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %8 = getelementptr inbounds i8, ptr %0, i64 112
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %8, i8 0, i64 24, i1 false)
  ret void

9:                                                ; preds = %2
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @_ZN3chw7SessionD2Ev(ptr noundef nonnull align 8 dereferenceable(112) %0) #5
  resume { ptr, i32 } %10
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3chw7SessionC2ERKSt10shared_ptrINS_6SocketEE(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @_ZN3chw8demangleB5cxx11EPKc(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt9type_info4nameEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3chw7SessionD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #0 = { 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 #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" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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