; LLVM IR from UBIC-repo/core :: Tools (Hexdump)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_istringstream" = type { %"class.std::basic_istream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"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::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }

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

; 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 dso_local void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7Hexdump18stringToCharVectorENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_istringstream", align 8
  %6 = alloca i1, align 1
  %7 = alloca i8, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 384, ptr %5) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120) %5, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 8)
  store i1 false, ptr %6, align 1
  call void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  br label %10

10:                                               ; preds = %23, %2
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef @_ZSt3hexRSt8ios_base)
          to label %12 unwind label %24

12:                                               ; preds = %10
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsISt11char_traitsIcEERSt13basic_istreamIcT_ES5_Rh(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %14 unwind label %24

14:                                               ; preds = %12
  %15 = load ptr, ptr %13, align 8, !tbaa !9
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr %13, i64 %17
  %19 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %18)
          to label %20 unwind label %24

20:                                               ; preds = %14
  br i1 %19, label %21, label %28

21:                                               ; preds = %20
  %22 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEE12emplace_backIJRhEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %23 unwind label %24

23:                                               ; preds = %21
  br label %10, !llvm.loop !11

24:                                               ; preds = %21, %14, %12, %10
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %8, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %5) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr %5) #4
  br label %32

28:                                               ; preds = %20
  store i1 true, ptr %6, align 1
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  %29 = load i1, ptr %6, align 1
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %31

31:                                               ; preds = %30, %28
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %5) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr %5) #4
  ret void

32:                                               ; preds = %24
  %33 = load ptr, ptr %8, align 8
  %34 = load i32, ptr %9, align 4
  %35 = insertvalue { ptr, i32 } poison, ptr %33, 0
  %36 = insertvalue { ptr, i32 } %35, i32 %34, 1
  resume { ptr, i32 } %36
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsISt11char_traitsIcEERSt13basic_istreamIcT_ES5_Rh(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt3hexRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #3

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEE12emplace_backIJRhEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120)) 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 = { inlinehint 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 #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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_istringstream" = type { %"class.std::basic_istream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"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::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }

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

; 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 dso_local void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7Hexdump18stringToCharVectorENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_istringstream", align 8
  %4 = alloca i8, align 1
  call void @llvm.lifetime.start.p0(i64 384, ptr nonnull %3) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120) %3, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 8)
  call void @_ZNSt6vectorIhSaIhEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  br label %5

5:                                                ; preds = %16, %2
  %6 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull @_ZSt3hexRSt8ios_base)
          to label %7 unwind label %18

7:                                                ; preds = %5
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsISt11char_traitsIcEERSt13basic_istreamIcT_ES5_Rh(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %9 unwind label %18

9:                                                ; preds = %7
  %10 = load ptr, ptr %8, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr %8, i64 %12
  %14 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %13)
          to label %15 unwind label %18

15:                                               ; preds = %9
  br i1 %14, label %16, label %20

16:                                               ; preds = %15
  %17 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEE12emplace_backIJRhEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %5 unwind label %18, !llvm.loop !8

18:                                               ; preds = %16, %9, %7, %5
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %3) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr nonnull %3) #4
  resume { ptr, i32 } %19

20:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %3) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr nonnull %3) #4
  ret void
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsISt11char_traitsIcEERSt13basic_istreamIcT_ES5_Rh(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt3hexRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #3

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIhSaIhEE12emplace_backIJRhEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120)) 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 = { inlinehint 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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