; LLVM IR from VastoLorde95/Competitive-Programming :: SPOJ/Random/PARADOX (A)

; 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_ostream" = type { ptr, %"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"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] }
%"struct.std::pair" = type { i32, i32 }
%"struct.std::pair.3" = type <{ i32, i8, [3 x i8] }>

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@n = external dso_local global i32, align 4
@g = external dso_local global [100 x %"class.std::vector"], align 16
@in = external dso_local global [100 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 4
  %9 = alloca %"struct.std::pair.3", align 4
  %10 = alloca i8, align 1
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %12 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %20
  %22 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  br label %24

24:                                               ; preds = %104, %0
  %25 = load i32, ptr @n, align 4, !tbaa !8
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %110

27:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 1, ptr %2, align 4, !tbaa !8
  br label %28

28:                                               ; preds = %40, %27
  %29 = load i32, ptr %2, align 4, !tbaa !8
  %30 = load i32, ptr @n, align 4, !tbaa !8
  %31 = icmp sle i32 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %43

33:                                               ; preds = %28
  %34 = load i32, ptr %2, align 4, !tbaa !8
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [100 x %"class.std::vector"], ptr @g, i64 0, i64 %35
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %36) #5
  %37 = load i32, ptr %2, align 4, !tbaa !8
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [100 x i32], ptr @in, i64 0, i64 %38
  store i32 0, ptr %39, align 4, !tbaa !8
  br label %40

40:                                               ; preds = %33
  %41 = load i32, ptr %2, align 4, !tbaa !8
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %2, align 4, !tbaa !8
  br label %28, !llvm.loop !11

43:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 1, ptr %5, align 4, !tbaa !8
  br label %44

44:                                               ; preds = %73, %43
  %45 = load i32, ptr %5, align 4, !tbaa !8
  %46 = load i32, ptr @n, align 4, !tbaa !8
  %47 = icmp sle i32 %45, %46
  br i1 %47, label %49, label %48

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %85

49:                                               ; preds = %44
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %51 unwind label %76

51:                                               ; preds = %49
  %52 = 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) %50, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %53 unwind label %76

53:                                               ; preds = %51
  %54 = load i32, ptr %5, align 4, !tbaa !8
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [100 x %"class.std::vector"], ptr @g, i64 0, i64 %55
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  %57 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef 0)
          to label %58 unwind label %80

58:                                               ; preds = %53
  %59 = load i8, ptr %57, align 1, !tbaa !13
  %60 = sext i8 %59 to i32
  %61 = icmp eq i32 %60, 116
  %62 = zext i1 %61 to i8
  store i8 %62, ptr %10, align 1, !tbaa !14
  %63 = invoke i64 @_ZSt9make_pairIRibESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %64 unwind label %80

64:                                               ; preds = %58
  %65 = trunc i64 %63 to i40
  store i40 %65, ptr %9, align 4
  invoke void @_ZNSt4pairIiiEC2IibTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 4 dereferenceable(8) %8, ptr noundef nonnull align 4 dereferenceable(5) %9)
          to label %66 unwind label %80

66:                                               ; preds = %64
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %56, ptr noundef nonnull align 4 dereferenceable(8) %8)
          to label %67 unwind label %80

67:                                               ; preds = %66
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  %68 = load i32, ptr %3, align 4, !tbaa !8
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [100 x i32], ptr @in, i64 0, i64 %69
  %71 = load i32, ptr %70, align 4, !tbaa !8
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %70, align 4, !tbaa !8
  br label %73

73:                                               ; preds = %67
  %74 = load i32, ptr %5, align 4, !tbaa !8
  %75 = add nsw i32 %74, 1
  store i32 %75, ptr %5, align 4, !tbaa !8
  br label %44, !llvm.loop !16

76:                                               ; preds = %51, %49
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %6, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %7, align 4
  br label %84

80:                                               ; preds = %66, %64, %58, %53
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %6, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %84

84:                                               ; preds = %80, %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %109

85:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 1, ptr %11, align 4, !tbaa !8
  br label %86

86:                                               ; preds = %99, %85
  %87 = load i32, ptr %11, align 4, !tbaa !8
  %88 = load i32, ptr @n, align 4, !tbaa !8
  %89 = icmp sle i32 %87, %88
  br i1 %89, label %91, label %90

90:                                               ; preds = %86
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %102

91:                                               ; preds = %86
  %92 = load i32, ptr %11, align 4, !tbaa !8
  %93 = sext i32 %92 to i64
  %94 = getelementptr inbounds [100 x i32], ptr @in, i64 0, i64 %93
  %95 = load i32, ptr %94, align 4, !tbaa !8
  %96 = icmp ne i32 %95, 0
  br i1 %96, label %98, label %97

97:                                               ; preds = %91
  br label %98

98:                                               ; preds = %97, %91
  br label %99

99:                                               ; preds = %98
  %100 = load i32, ptr %11, align 4, !tbaa !8
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %11, align 4, !tbaa !8
  br label %86, !llvm.loop !17

102:                                              ; preds = %90
  %103 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
          to label %104 unwind label %105

104:                                              ; preds = %102
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %24, !llvm.loop !18

105:                                              ; preds = %102
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %6, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %7, align 4
  br label %109

109:                                              ; preds = %105, %84
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %111

110:                                              ; preds = %24
  ret i32 0

111:                                              ; preds = %109
  %112 = load ptr, ptr %6, align 8
  %113 = load i32, ptr %7, align 4
  %114 = insertvalue { ptr, i32 } poison, ptr %112, 0
  %115 = insertvalue { ptr, i32 } %114, i32 %113, 1
  resume { ptr, i32 } %115
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; 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)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRibESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IibTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(5)) 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 #2 align 2

attributes #0 = { 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 #1 = { "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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #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"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !10, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !10, i64 0}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !12}


; 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_ostream" = type { ptr, %"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"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] }
%"struct.std::pair" = type { i32, i32 }
%"struct.std::pair.3" = type <{ i32, i8, [3 x i8] }>

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@n = external dso_local global i32, align 4
@g = external dso_local global [100 x %"class.std::vector"], align 16
@in = external dso_local local_unnamed_addr global [100 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"struct.std::pair", align 4
  %4 = alloca %"struct.std::pair.3", align 8
  %5 = alloca i8, align 1
  %6 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %7 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %8 = getelementptr i8, ptr %7, i64 -24
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %9
  %11 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %10, ptr noundef null)
  %12 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %14
  %16 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  %17 = 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) @n)
  %18 = load i32, ptr @n, align 4, !tbaa !8
  %.not30 = icmp eq i32 %18, 0
  br i1 %.not30, label %._crit_edge31, label %.preheader21

.preheader21:                                     ; preds = %0, %50
  %19 = phi i32 [ %51, %50 ], [ %18, %0 ]
  %.not1624 = icmp slt i32 %19, 1
  br i1 %.not1624, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %.preheader21
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %20 = load i32, ptr @n, align 4, !tbaa !8
  %.not1726 = icmp slt i32 %20, 1
  br i1 %.not1726, label %.preheader, label %.lr.ph29

.lr.ph:                                           ; preds = %.preheader21, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %.preheader21 ]
  %21 = getelementptr inbounds [100 x %"class.std::vector"], ptr @g, i64 0, i64 %indvars.iv
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #5
  %22 = getelementptr inbounds [100 x i32], ptr @in, i64 0, i64 %indvars.iv
  store i32 0, ptr %22, align 4, !tbaa !8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = load i32, ptr @n, align 4, !tbaa !8
  %24 = sext i32 %23 to i64
  %.not16.not = icmp slt i64 %indvars.iv, %24
  br i1 %.not16.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

.preheader:                                       ; preds = %38, %._crit_edge
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
          to label %50 unwind label %52

.lr.ph29:                                         ; preds = %._crit_edge, %38
  %indvars.iv34 = phi i64 [ %indvars.iv.next35, %38 ], [ 1, %._crit_edge ]
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %27 unwind label %46

27:                                               ; preds = %.lr.ph29
  %28 = 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) %26, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %29 unwind label %46

29:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 0)
  %31 = load i8, ptr %30, align 1, !tbaa !13
  %32 = icmp eq i8 %31, 116
  %33 = zext i1 %32 to i8
  store i8 %33, ptr %5, align 1, !tbaa !14
  %34 = invoke i64 @_ZSt9make_pairIRibESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %35 unwind label %48

35:                                               ; preds = %29
  %36 = getelementptr inbounds [100 x %"class.std::vector"], ptr @g, i64 0, i64 %indvars.iv34
  %37 = trunc i64 %34 to i40
  store i40 %37, ptr %4, align 8
  call void @_ZNSt4pairIiiEC2IibTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 4 dereferenceable(8) %3, ptr noundef nonnull align 4 dereferenceable(5) %4)
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 4 dereferenceable(8) %3)
          to label %38 unwind label %48

38:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  %39 = load i32, ptr %1, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [100 x i32], ptr @in, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !8
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %41, align 4, !tbaa !8
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %44 = load i32, ptr @n, align 4, !tbaa !8
  %45 = sext i32 %44 to i64
  %.not17.not = icmp slt i64 %indvars.iv34, %45
  br i1 %.not17.not, label %.lr.ph29, label %.preheader, !llvm.loop !16

46:                                               ; preds = %27, %.lr.ph29
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %54

48:                                               ; preds = %35, %29
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br label %54

50:                                               ; preds = %.preheader
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  %51 = load i32, ptr @n, align 4, !tbaa !8
  %.not = icmp eq i32 %51, 0
  br i1 %.not, label %._crit_edge31, label %.preheader21, !llvm.loop !17

52:                                               ; preds = %.preheader
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %54

54:                                               ; preds = %46, %48, %52
  %.pn.pn = phi { ptr, i32 } [ %53, %52 ], [ %49, %48 ], [ %47, %46 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn

._crit_edge31:                                    ; preds = %50, %0
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

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 #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; 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 #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRibESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IibTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(5)) 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 #2 align 2

attributes #0 = { 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 #1 = { "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 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #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"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !10, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !10, i64 0}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass