; LLVM IR from abeaumont/competitive-programming :: codeforces/1627 (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_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::basic_ostream" = type { ptr, %"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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", 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 i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %16 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %18
  %20 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %19, ptr noundef null)
  %21 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %23

23:                                               ; preds = %125, %0
  %24 = load i64, ptr %2, align 8, !tbaa !8
  %25 = add nsw i64 %24, -1
  store i64 %25, ptr %2, align 8, !tbaa !8
  %26 = icmp ne i64 %24, 0
  br i1 %26, label %27, label %131

27:                                               ; preds = %23
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %32 = load i64, ptr %5, align 8, !tbaa !8
  %33 = add nsw i64 %32, -1
  store i64 %33, ptr %5, align 8, !tbaa !8
  %34 = load i64, ptr %6, align 8, !tbaa !8
  %35 = add nsw i64 %34, -1
  store i64 %35, ptr %6, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 3, ptr %7, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !11
  br label %36

36:                                               ; preds = %112, %27
  %37 = load i32, ptr %9, align 4, !tbaa !11
  %38 = sext i32 %37 to i64
  %39 = load i64, ptr %3, align 8, !tbaa !8
  %40 = icmp slt i64 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %36
  store i32 4, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %116

42:                                               ; preds = %36
  %43 = 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) %8)
          to label %44 unwind label %51

44:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 0, ptr %13, align 4, !tbaa !11
  br label %45

45:                                               ; preds = %107, %44
  %46 = load i32, ptr %13, align 4, !tbaa !11
  %47 = sext i32 %46 to i64
  %48 = load i64, ptr %4, align 8, !tbaa !8
  %49 = icmp slt i64 %47, %48
  br i1 %49, label %55, label %50

50:                                               ; preds = %45
  store i32 7, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %111

51:                                               ; preds = %42
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %11, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %12, align 4
  br label %115

55:                                               ; preds = %45
  %56 = load i32, ptr %13, align 4, !tbaa !11
  %57 = sext i32 %56 to i64
  %58 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %57)
          to label %59 unwind label %74

59:                                               ; preds = %55
  %60 = load i8, ptr %58, align 1, !tbaa !13
  %61 = sext i8 %60 to i32
  %62 = icmp eq i32 %61, 66
  br i1 %62, label %63, label %106

63:                                               ; preds = %59
  %64 = load i64, ptr %5, align 8, !tbaa !8
  %65 = load i32, ptr %9, align 4, !tbaa !11
  %66 = sext i32 %65 to i64
  %67 = icmp eq i64 %64, %66
  br i1 %67, label %68, label %78

68:                                               ; preds = %63
  %69 = load i64, ptr %6, align 8, !tbaa !8
  %70 = load i32, ptr %13, align 4, !tbaa !11
  %71 = sext i32 %70 to i64
  %72 = icmp eq i64 %69, %71
  br i1 %72, label %73, label %78

73:                                               ; preds = %68
  store i64 0, ptr %7, align 8, !tbaa !8
  br label %105

74:                                               ; preds = %55
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %11, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %12, align 4
  br label %110

78:                                               ; preds = %68, %63
  %79 = load i64, ptr %5, align 8, !tbaa !8
  %80 = load i32, ptr %9, align 4, !tbaa !11
  %81 = sext i32 %80 to i64
  %82 = icmp eq i64 %79, %81
  br i1 %82, label %88, label %83

83:                                               ; preds = %78
  %84 = load i64, ptr %6, align 8, !tbaa !8
  %85 = load i32, ptr %13, align 4, !tbaa !11
  %86 = sext i32 %85 to i64
  %87 = icmp eq i64 %84, %86
  br i1 %87, label %88, label %96

88:                                               ; preds = %83, %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  store i64 1, ptr %14, align 8, !tbaa !8
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %90 unwind label %92

90:                                               ; preds = %88
  %91 = load i64, ptr %89, align 8, !tbaa !8
  store i64 %91, ptr %7, align 8, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %104

92:                                               ; preds = %88
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %11, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %110

96:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  store i64 2, ptr %15, align 8, !tbaa !8
  %97 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %98 unwind label %100

98:                                               ; preds = %96
  %99 = load i64, ptr %97, align 8, !tbaa !8
  store i64 %99, ptr %7, align 8, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %104

100:                                              ; preds = %96
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %11, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %110

104:                                              ; preds = %98, %90
  br label %105

105:                                              ; preds = %104, %73
  br label %106

106:                                              ; preds = %105, %59
  br label %107

107:                                              ; preds = %106
  %108 = load i32, ptr %13, align 4, !tbaa !11
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %13, align 4, !tbaa !11
  br label %45, !llvm.loop !14

110:                                              ; preds = %100, %92, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %115

111:                                              ; preds = %50
  br label %112

112:                                              ; preds = %111
  %113 = load i32, ptr %9, align 4, !tbaa !11
  %114 = add nsw i32 %113, 1
  store i32 %114, ptr %9, align 4, !tbaa !11
  br label %36, !llvm.loop !16

115:                                              ; preds = %110, %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %130

116:                                              ; preds = %41
  %117 = load i64, ptr %7, align 8, !tbaa !8
  %118 = icmp eq i64 %117, 3
  br i1 %118, label %119, label %120

119:                                              ; preds = %116
  store i64 -1, ptr %7, align 8, !tbaa !8
  br label %120

120:                                              ; preds = %119, %116
  %121 = load i64, ptr %7, align 8, !tbaa !8
  %122 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %121)
          to label %123 unwind label %126

123:                                              ; preds = %120
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %122, i8 noundef signext 10)
          to label %125 unwind label %126

125:                                              ; preds = %123
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %23, !llvm.loop !17

126:                                              ; preds = %123, %120
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %11, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %12, align 4
  br label %130

130:                                              ; preds = %126, %115
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  br label %133

131:                                              ; preds = %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  %132 = load i32, ptr %1, align 4
  ret i32 %132

133:                                              ; preds = %130
  %134 = load ptr, ptr %11, align 8
  %135 = load i32, ptr %12, align 4
  %136 = insertvalue { ptr, i32 } poison, ptr %134, 0
  %137 = insertvalue { ptr, i32 } %136, i32 %135, 1
  resume { ptr, i32 } %137
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

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

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)) #2

declare i32 @__gxx_personality_v0(...)

; 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) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 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

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 = { 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 = { "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 = { 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 #6 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !10, i64 0}
!13 = !{!10, !10, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}


; 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::basic_ostream" = type { ptr, %"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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %12
  %14 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %13, ptr noundef null)
  %15 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %17 = load i64, ptr %1, align 8, !tbaa !8
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %1, align 8, !tbaa !8
  %.not25 = icmp eq i64 %17, 0
  br i1 %.not25, label %._crit_edge28, label %.lr.ph27

.lr.ph27:                                         ; preds = %0, %63
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %23 = load i64, ptr %4, align 8, !tbaa !8
  %24 = add nsw i64 %23, -1
  store i64 %24, ptr %4, align 8, !tbaa !8
  %25 = load i64, ptr %5, align 8, !tbaa !8
  %26 = add nsw i64 %25, -1
  store i64 %26, ptr %5, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store i64 3, ptr %6, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  %27 = load i64, ptr %2, align 8, !tbaa !8
  %28 = icmp sgt i64 %27, 0
  br i1 %28, label %.lr.ph23, label %._crit_edge24

._crit_edge24:                                    ; preds = %._crit_edge, %.lr.ph27
  %29 = load i64, ptr %6, align 8, !tbaa !8
  %30 = icmp eq i64 %29, 3
  br i1 %30, label %57, label %58

.lr.ph23:                                         ; preds = %.lr.ph27, %._crit_edge
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %._crit_edge ], [ 0, %.lr.ph27 ]
  %31 = 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) %7)
          to label %.preheader unwind label %36

.preheader:                                       ; preds = %.lr.ph23
  %32 = load i64, ptr %3, align 8, !tbaa !8
  %33 = icmp sgt i64 %32, 0
  br i1 %33, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %54, %.preheader
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %34 = load i64, ptr %2, align 8, !tbaa !8
  %35 = icmp sgt i64 %34, %indvars.iv.next31
  br i1 %35, label %.lr.ph23, label %._crit_edge24, !llvm.loop !11

36:                                               ; preds = %.lr.ph23
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %68

.lr.ph:                                           ; preds = %.preheader, %54
  %indvars.iv = phi i64 [ %indvars.iv.next, %54 ], [ 0, %.preheader ]
  %38 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %indvars.iv)
  %39 = load i8, ptr %38, align 1, !tbaa !13
  %40 = icmp eq i8 %39, 66
  br i1 %40, label %41, label %54

41:                                               ; preds = %.lr.ph
  %42 = load i64, ptr %4, align 8, !tbaa !8
  %43 = icmp eq i64 %42, %indvars.iv30
  %44 = load i64, ptr %5, align 8
  %45 = icmp eq i64 %44, %indvars.iv
  %or.cond = select i1 %43, i1 %45, i1 false
  br i1 %or.cond, label %46, label %47

46:                                               ; preds = %41
  store i64 0, ptr %6, align 8, !tbaa !8
  br label %54

47:                                               ; preds = %41
  %or.cond19 = select i1 %43, i1 true, i1 %45
  br i1 %or.cond19, label %48, label %51

48:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  store i64 1, ptr %8, align 8, !tbaa !8
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
  %50 = load i64, ptr %49, align 8, !tbaa !8
  store i64 %50, ptr %6, align 8, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  br label %54

51:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  store i64 2, ptr %9, align 8, !tbaa !8
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %53 = load i64, ptr %52, align 8, !tbaa !8
  store i64 %53, ptr %6, align 8, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %54

54:                                               ; preds = %.lr.ph, %48, %51, %46
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %55 = load i64, ptr %3, align 8, !tbaa !8
  %56 = icmp sgt i64 %55, %indvars.iv.next
  br i1 %56, label %.lr.ph, label %._crit_edge, !llvm.loop !14

57:                                               ; preds = %._crit_edge24
  store i64 -1, ptr %6, align 8, !tbaa !8
  br label %58

58:                                               ; preds = %57, %._crit_edge24
  %59 = phi i64 [ -1, %57 ], [ %29, %._crit_edge24 ]
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %59)
          to label %61 unwind label %66

61:                                               ; preds = %58
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %60, i8 noundef signext 10)
          to label %63 unwind label %66

63:                                               ; preds = %61
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %64 = load i64, ptr %1, align 8, !tbaa !8
  %65 = add nsw i64 %64, -1
  store i64 %65, ptr %1, align 8, !tbaa !8
  %.not = icmp eq i64 %64, 0
  br i1 %.not, label %._crit_edge28, label %.lr.ph27, !llvm.loop !15

66:                                               ; preds = %61, %58
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %68

68:                                               ; preds = %66, %36
  %.pn = phi { ptr, i32 } [ %37, %36 ], [ %67, %66 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn

._crit_edge28:                                    ; preds = %63, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

; 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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

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

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 #2

declare i32 @__gxx_personality_v0(...)

; 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 #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #4 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

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 = { 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 = { "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 = { 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 #6 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !10, i64 0}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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