; LLVM IR from kazunetakahashi/atcoder :: 2018/0415_s8pc-5 (I)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"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 }
%"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initSt6vectorISt5tupleIJiiEESaIS1_EE(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3sayB5cxx11c(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i8 noundef signext) #0

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i8, align 1
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  store i32 0, ptr %1, align 4
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @H)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 4 dereferenceable(4) @W)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #7
  call void @llvm.memset.p0.i64(ptr align 8 %2, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  invoke void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %16 unwind label %25

16:                                               ; preds = %0
  invoke void @_Z4initSt6vectorISt5tupleIJiiEESaIS1_EE(ptr noundef %3)
          to label %17 unwind label %29

17:                                               ; preds = %16
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %19 unwind label %33

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %20

20:                                               ; preds = %88, %19
  %21 = load i32, ptr %7, align 4, !tbaa !5
  %22 = load i32, ptr @H, align 4, !tbaa !5
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %37, label %24

24:                                               ; preds = %20
  store i32 2, ptr %8, align 4
  br label %92

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %4, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %5, align 4
  br label %100

29:                                               ; preds = %16
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %4, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %5, align 4
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %100

33:                                               ; preds = %17
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %99

37:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #7
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = srem i32 %38, 2
  %40 = icmp eq i32 %39, 0
  %41 = zext i1 %40 to i64
  %42 = select i1 %40, i8 82, i8 76
  store i8 %42, ptr %9, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %65, %37
  %44 = load i32, ptr %10, align 4, !tbaa !5
  %45 = load i32, ptr @W, align 4, !tbaa !5
  %46 = sub nsw i32 %45, 1
  %47 = icmp slt i32 %44, %46
  br i1 %47, label %49, label %48

48:                                               ; preds = %43
  store i32 5, ptr %8, align 4
  br label %68

49:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #7
  %50 = load i8, ptr %9, align 1, !tbaa !9
  invoke void @_Z3sayB5cxx11c(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, i8 noundef signext %50)
          to label %51 unwind label %55

51:                                               ; preds = %49
  %52 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef @.str.1)
          to label %53 unwind label %59

53:                                               ; preds = %51
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #7
  br i1 %52, label %54, label %64

54:                                               ; preds = %53
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  br label %68

55:                                               ; preds = %49
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %4, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %5, align 4
  br label %63

59:                                               ; preds = %51
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %4, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #7
  br label %63

63:                                               ; preds = %59, %55
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %91

64:                                               ; preds = %53
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %10, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %10, align 4, !tbaa !5
  br label %43, !llvm.loop !10

68:                                               ; preds = %54, %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  %69 = load i32, ptr %8, align 4
  switch i32 %69, label %85 [
    i32 5, label %70
  ]

70:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #7
  invoke void @_Z3sayB5cxx11c(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, i8 noundef signext 68)
          to label %71 unwind label %75

71:                                               ; preds = %70
  %72 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef @.str.1)
          to label %73 unwind label %79

73:                                               ; preds = %71
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #7
  br i1 %72, label %74, label %84

74:                                               ; preds = %73
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  br label %85

75:                                               ; preds = %70
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %4, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %5, align 4
  br label %83

79:                                               ; preds = %71
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %4, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #7
  br label %83

83:                                               ; preds = %79, %75
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #7
  br label %91

84:                                               ; preds = %73
  store i32 0, ptr %8, align 4
  br label %85

85:                                               ; preds = %84, %74, %68
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  %86 = load i32, ptr %8, align 4
  switch i32 %86, label %92 [
    i32 0, label %87
  ]

87:                                               ; preds = %85
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %7, align 4, !tbaa !5
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %7, align 4, !tbaa !5
  br label %20, !llvm.loop !12

91:                                               ; preds = %83, %63
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %99

92:                                               ; preds = %85, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  %93 = load i32, ptr %8, align 4
  switch i32 %93, label %95 [
    i32 2, label %94
  ]

94:                                               ; preds = %92
  store i32 0, ptr %8, align 4
  br label %95

95:                                               ; preds = %94, %92
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  %96 = load i32, ptr %8, align 4
  switch i32 %96, label %106 [
    i32 0, label %97
    i32 1, label %97
  ]

97:                                               ; preds = %95, %95
  %98 = load i32, ptr %1, align 4
  ret i32 %98

99:                                               ; preds = %91, %33
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  br label %100

100:                                              ; preds = %99, %29, %25
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  br label %101

101:                                              ; preds = %100
  %102 = load ptr, ptr %4, align 8
  %103 = load i32, ptr %5, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105

106:                                              ; preds = %95
  unreachable
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #6

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { mustprogress norecurse 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 #5 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { 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 #7 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"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 }
%"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initSt6vectorISt5tupleIJiiEESaIS1_EE(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3sayB5cxx11c(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i8 noundef signext) local_unnamed_addr #0

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @H)
  %7 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) @W)
  %8 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #7
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %1, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  invoke void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %9 unwind label %18

9:                                                ; preds = %0
  invoke void @_Z4initSt6vectorISt5tupleIJiiEESaIS1_EE(ptr noundef nonnull %2)
          to label %10 unwind label %20

10:                                               ; preds = %9
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %.preheader unwind label %22

.preheader:                                       ; preds = %10
  %12 = load i32, ptr @H, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph33, label %.critedge28

14:                                               ; preds = %36
  %15 = add nuw nsw i32 %.01732, 1
  %16 = load i32, ptr @H, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %.lr.ph33, label %.critedge28, !llvm.loop !9

18:                                               ; preds = %0
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %41

20:                                               ; preds = %9
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %41

22:                                               ; preds = %10
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %40

.lr.ph33:                                         ; preds = %.preheader, %14
  %.01732 = phi i32 [ %15, %14 ], [ 0, %.preheader ]
  %24 = and i32 %.01732, 1
  %25 = icmp eq i32 %24, 0
  %26 = select i1 %25, i8 82, i8 76
  %27 = load i32, ptr @W, align 4, !tbaa !5
  %.not30 = icmp sgt i32 %27, 1
  br i1 %.not30, label %.lr.ph, label %.critedge

28:                                               ; preds = %32
  %29 = add nuw nsw i32 %.031, 1
  %30 = load i32, ptr @W, align 4, !tbaa !5
  %31 = add nsw i32 %30, -1
  %.not = icmp slt i32 %29, %31
  br i1 %.not, label %.lr.ph, label %.critedge, !llvm.loop !11

.lr.ph:                                           ; preds = %.lr.ph33, %28
  %.031 = phi i32 [ %29, %28 ], [ 0, %.lr.ph33 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  invoke void @_Z3sayB5cxx11c(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, i8 noundef signext %26)
          to label %32 unwind label %34

32:                                               ; preds = %.lr.ph
  %33 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.1)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  br i1 %33, label %.critedge28, label %28

34:                                               ; preds = %.lr.ph
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  br label %40

.critedge:                                        ; preds = %28, %.lr.ph33
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #7
  invoke void @_Z3sayB5cxx11c(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, i8 noundef signext 68)
          to label %36 unwind label %38

36:                                               ; preds = %.critedge
  %37 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull @.str.1)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  br i1 %37, label %.critedge28, label %14

38:                                               ; preds = %.critedge
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  br label %40

.critedge28:                                      ; preds = %36, %14, %32, %.preheader
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  ret i32 0

40:                                               ; preds = %34, %38, %22
  %.pn.pn = phi { ptr, i32 } [ %23, %22 ], [ %39, %38 ], [ %35, %34 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  br label %41

41:                                               ; preds = %40, %20, %18
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %40 ], [ %21, %20 ], [ %19, %18 ]
  call void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJiiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #6

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { mustprogress norecurse 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 #5 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { 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 #7 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass