; LLVM IR from chensoft/libsocket :: lib/libchen/src/data/json.ll (ZNK4chen4json11getUnsignedEv)

; 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.std::allocator.5" = type { i8 }
%"class.chen::json" = type { i32, %"union.chen::json::Data" }
%"union.chen::json::Data" = type { ptr }

@_ZTIN4chen4json5errorE = external dso_local constant { ptr, ptr, ptr }, align 8
@.str.4 = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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

declare ptr @__cxa_allocate_exception(i64)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen4json5errorC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nounwind
declare void @_ZNSt13runtime_errorD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3

declare void @__cxa_throw(ptr, ptr, ptr)

declare void @__cxa_free_exception(ptr)

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK4chen4json11getUnsignedEv(ptr noundef nonnull align 8 dereferenceable(16) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator.5", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i1, align 1
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  %9 = getelementptr inbounds %"class.chen::json", ptr %8, i32 0, i32 0
  %10 = load i32, ptr %9, align 8, !tbaa !9
  %11 = icmp eq i32 %10, 3
  br i1 %11, label %12, label %16

12:                                               ; preds = %1
  %13 = getelementptr inbounds %"class.chen::json", ptr %8, i32 0, i32 1
  %14 = load double, ptr %13, align 8, !tbaa !12
  %15 = fptoui double %14 to i32
  ret i32 %15

16:                                               ; preds = %1
  store i1 true, ptr %7, align 1
  %17 = call ptr @__cxa_allocate_exception(i64 24) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %20

18:                                               ; preds = %16
  invoke void @_ZN4chen4json5errorC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %19 unwind label %24

19:                                               ; preds = %18
  store i1 false, ptr %7, align 1
  invoke void @__cxa_throw(ptr %17, ptr @_ZTIN4chen4json5errorE, ptr @_ZNSt13runtime_errorD2Ev) #5
          to label %37 unwind label %24

20:                                               ; preds = %16
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %5, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %6, align 4
  br label %28

24:                                               ; preds = %19, %18
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %5, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %6, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  br label %28

28:                                               ; preds = %24, %20
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #4
  %29 = load i1, ptr %7, align 1
  br i1 %29, label %30, label %31

30:                                               ; preds = %28
  call void @__cxa_free_exception(ptr %17) #4
  br label %31

31:                                               ; preds = %30, %28
  br label %32

32:                                               ; preds = %31
  %33 = load ptr, ptr %5, align 8
  %34 = load i32, ptr %6, align 4
  %35 = insertvalue { ptr, i32 } poison, ptr %33, 0
  %36 = insertvalue { ptr, i32 } %35, i32 %34, 1
  resume { ptr, i32 } %36

37:                                               ; preds = %19
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 #4 = { nounwind }
attributes #5 = { noreturn }

!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, !11, i64 0}
!10 = !{!"_ZTSN4chen4jsonE", !11, i64 0, !7, i64 8}
!11 = !{!"_ZTSN4chen4json4TypeE", !7, i64 0}
!12 = !{!7, !7, i64 0}


; 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] }
%"class.std::allocator.5" = type { i8 }

@_ZTIN4chen4json5errorE = external dso_local constant { ptr, ptr, ptr }, align 8
@.str.4 = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen4json5errorC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nounwind
declare void @_ZNSt13runtime_errorD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK4chen4json11getUnsignedEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::allocator.5", align 1
  %4 = load i32, ptr %0, align 8, !tbaa !5
  %5 = icmp eq i32 %4, 3
  br i1 %5, label %6, label %10

6:                                                ; preds = %1
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load double, ptr %7, align 8, !tbaa !10
  %9 = fptoui double %8 to i32
  ret i32 %9

10:                                               ; preds = %1
  %11 = tail call ptr @__cxa_allocate_exception(i64 24) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %12 unwind label %.thread

12:                                               ; preds = %10
  invoke void @_ZN4chen4json5errorC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %13 unwind label %15

13:                                               ; preds = %12
  invoke void @__cxa_throw(ptr nonnull %11, ptr nonnull @_ZTIN4chen4json5errorE, ptr nonnull @_ZNSt13runtime_errorD2Ev) #5
          to label %19 unwind label %15

.thread:                                          ; preds = %10
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #4
  br label %17

15:                                               ; preds = %12, %13
  %.0 = phi i1 [ false, %13 ], [ true, %12 ]
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #4
  br i1 %.0, label %17, label %18

17:                                               ; preds = %.thread, %15
  %.pn9 = phi { ptr, i32 } [ %14, %.thread ], [ %16, %15 ]
  call void @__cxa_free_exception(ptr %11) #4
  br label %18

18:                                               ; preds = %15, %17
  %.pn8 = phi { ptr, i32 } [ %16, %15 ], [ %.pn9, %17 ]
  resume { ptr, i32 } %.pn8

19:                                               ; preds = %13
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 #4 = { nounwind }
attributes #5 = { noreturn }

!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 = !{!"_ZTSN4chen4jsonE", !7, i64 0, !8, i64 8}
!7 = !{!"_ZTSN4chen4json4TypeE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!8, !8, i64 0}


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