; LLVM IR from imteekay/algorithms :: competitive-programming/spoj-br (lua)

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

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; 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 i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 1, ptr %4, align 4, !tbaa !5
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) %3)
  br label %18

18:                                               ; preds = %127, %0
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = add nsw i32 %19, %20
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %133

23:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %33, %23
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %40

29:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %30 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %31 unwind label %36

31:                                               ; preds = %29
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %32 unwind label %36

32:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %33

33:                                               ; preds = %32
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %6, align 4, !tbaa !5
  br label %24, !llvm.loop !9

36:                                               ; preds = %31, %29
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %8, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %132

40:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %53, %40
  %42 = load i32, ptr %11, align 4, !tbaa !5
  %43 = load i32, ptr %3, align 4, !tbaa !5
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %56

46:                                               ; preds = %41
  %47 = load i32, ptr %11, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %48) #6
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = load i32, ptr %10, align 4, !tbaa !5
  %52 = add nsw i32 %51, %50
  store i32 %52, ptr %10, align 4, !tbaa !5
  br label %53

53:                                               ; preds = %46
  %54 = load i32, ptr %11, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %11, align 4, !tbaa !5
  br label %41, !llvm.loop !11

56:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  %57 = load i32, ptr %10, align 4, !tbaa !5
  %58 = load i32, ptr %3, align 4, !tbaa !5
  %59 = sdiv i32 %57, %58
  store i32 %59, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = load i32, ptr %3, align 4, !tbaa !5
  %62 = sdiv i32 %60, %61
  store i32 %62, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %63 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %63, ptr %14, align 4, !tbaa !5
  br label %64

64:                                               ; preds = %99, %56
  %65 = load i32, ptr %14, align 4, !tbaa !5
  %66 = load i32, ptr %2, align 4, !tbaa !5
  %67 = icmp slt i32 %65, %66
  br i1 %67, label %69, label %68

68:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %102

69:                                               ; preds = %64
  %70 = load i32, ptr %14, align 4, !tbaa !5
  %71 = load i32, ptr %3, align 4, !tbaa !5
  %72 = sub nsw i32 %70, %71
  %73 = sext i32 %72 to i64
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %73) #6
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = load i32, ptr %10, align 4, !tbaa !5
  %77 = sub nsw i32 %76, %75
  store i32 %77, ptr %10, align 4, !tbaa !5
  %78 = load i32, ptr %14, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %79) #6
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = load i32, ptr %10, align 4, !tbaa !5
  %83 = add nsw i32 %82, %81
  store i32 %83, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = load i32, ptr %3, align 4, !tbaa !5
  %86 = sdiv i32 %84, %85
  store i32 %86, ptr %15, align 4, !tbaa !5
  %87 = load i32, ptr %15, align 4, !tbaa !5
  %88 = load i32, ptr %12, align 4, !tbaa !5
  %89 = icmp sgt i32 %87, %88
  br i1 %89, label %90, label %92

90:                                               ; preds = %69
  %91 = load i32, ptr %15, align 4, !tbaa !5
  store i32 %91, ptr %12, align 4, !tbaa !5
  br label %92

92:                                               ; preds = %90, %69
  %93 = load i32, ptr %15, align 4, !tbaa !5
  %94 = load i32, ptr %13, align 4, !tbaa !5
  %95 = icmp slt i32 %93, %94
  br i1 %95, label %96, label %98

96:                                               ; preds = %92
  %97 = load i32, ptr %15, align 4, !tbaa !5
  store i32 %97, ptr %13, align 4, !tbaa !5
  br label %98

98:                                               ; preds = %96, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %99

99:                                               ; preds = %98
  %100 = load i32, ptr %14, align 4, !tbaa !5
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %14, align 4, !tbaa !5
  br label %64, !llvm.loop !12

102:                                              ; preds = %68
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %104 unwind label %128

104:                                              ; preds = %102
  %105 = load i32, ptr %4, align 4, !tbaa !5
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %103, i32 noundef %105)
          to label %107 unwind label %128

107:                                              ; preds = %104
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %128

109:                                              ; preds = %107
  %110 = load i32, ptr %13, align 4, !tbaa !5
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %110)
          to label %112 unwind label %128

112:                                              ; preds = %109
  %113 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %111, ptr noundef @.str.1)
          to label %114 unwind label %128

114:                                              ; preds = %112
  %115 = load i32, ptr %12, align 4, !tbaa !5
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %113, i32 noundef %115)
          to label %117 unwind label %128

117:                                              ; preds = %114
  %118 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %116, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %119 unwind label %128

119:                                              ; preds = %117
  %120 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %118, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %121 unwind label %128

121:                                              ; preds = %119
  %122 = load i32, ptr %4, align 4, !tbaa !5
  %123 = add nsw i32 %122, 1
  store i32 %123, ptr %4, align 4, !tbaa !5
  %124 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %125 unwind label %128

125:                                              ; preds = %121
  %126 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %124, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %127 unwind label %128

127:                                              ; preds = %125
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  br label %18, !llvm.loop !13

128:                                              ; preds = %125, %121, %119, %117, %114, %112, %109, %107, %104, %102
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %8, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %132

132:                                              ; preds = %128, %36
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %134

133:                                              ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  ret i32 0

134:                                              ; preds = %132
  %135 = load ptr, ptr %8, align 8
  %136 = load i32, ptr %9, align 4
  %137 = insertvalue { ptr, i32 } poison, ptr %135, 0
  %138 = insertvalue { ptr, i32 } %137, i32 %136, 1
  resume { ptr, i32 } %138
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #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 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 = { 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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; 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 i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = sub i32 0, %8
  %.not54 = icmp eq i32 %7, %9
  br i1 %.not54, label %._crit_edge58, label %.lr.ph57

.lr.ph57:                                         ; preds = %0, %67
  %.055 = phi i32 [ %63, %67 ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %10 = load i32, ptr %1, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %17, %.lr.ph57
  %12 = phi i32 [ %10, %.lr.ph57 ], [ %19, %17 ]
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %.lr.ph43, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph57, %17
  %.03540 = phi i32 [ %18, %17 ], [ 0, %.lr.ph57 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %16 unwind label %21

16:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %17 unwind label %21

17:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  %18 = add nuw nsw i32 %.03540, 1
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %.lr.ph, label %.preheader, !llvm.loop !9

21:                                               ; preds = %16, %.lr.ph
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %73

._crit_edge.loopexit:                             ; preds = %.lr.ph43
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %23 = phi i32 [ %12, %.preheader ], [ %.pre, %._crit_edge.loopexit ]
  %.031.lcssa = phi i32 [ 0, %.preheader ], [ %29, %._crit_edge.loopexit ]
  %.lcssa = phi i32 [ %13, %.preheader ], [ %30, %._crit_edge.loopexit ]
  %24 = sdiv i32 %.031.lcssa, %.lcssa
  %25 = icmp slt i32 %.lcssa, %23
  br i1 %25, label %.lr.ph50.preheader, label %._crit_edge51

.lr.ph50.preheader:                               ; preds = %._crit_edge
  %26 = sext i32 %.lcssa to i64
  br label %.lr.ph50

.lr.ph43:                                         ; preds = %.preheader, %.lr.ph43
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph43 ], [ 0, %.preheader ]
  %.03141 = phi i32 [ %29, %.lr.ph43 ], [ 0, %.preheader ]
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #7
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = add nsw i32 %28, %.03141
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = icmp slt i64 %indvars.iv.next, %31
  br i1 %32, label %.lr.ph43, label %._crit_edge.loopexit, !llvm.loop !11

._crit_edge51:                                    ; preds = %.lr.ph50, %._crit_edge
  %.028.lcssa = phi i32 [ %24, %._crit_edge ], [ %spec.select, %.lr.ph50 ]
  %.027.lcssa = phi i32 [ %24, %._crit_edge ], [ %.1, %.lr.ph50 ]
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %48 unwind label %71

.lr.ph50:                                         ; preds = %.lr.ph50.preheader, %.lr.ph50
  %34 = phi i32 [ %.lcssa, %.lr.ph50.preheader ], [ %43, %.lr.ph50 ]
  %indvars.iv62 = phi i64 [ %26, %.lr.ph50.preheader ], [ %indvars.iv.next63, %.lr.ph50 ]
  %.02747 = phi i32 [ %24, %.lr.ph50.preheader ], [ %.1, %.lr.ph50 ]
  %.02846 = phi i32 [ %24, %.lr.ph50.preheader ], [ %spec.select, %.lr.ph50 ]
  %.13245 = phi i32 [ %.031.lcssa, %.lr.ph50.preheader ], [ %42, %.lr.ph50 ]
  %35 = sext i32 %34 to i64
  %36 = sub nsw i64 %indvars.iv62, %35
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %36) #7
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = sub nsw i32 %.13245, %38
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv62) #7
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = add nsw i32 %41, %39
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = sdiv i32 %42, %43
  %spec.select = call i32 @llvm.smax.i32(i32 %44, i32 %.02846)
  %.1 = call i32 @llvm.smin.i32(i32 %44, i32 %.02747)
  %indvars.iv.next63 = add nsw i64 %indvars.iv62, 1
  %45 = load i32, ptr %1, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = icmp slt i64 %indvars.iv.next63, %46
  br i1 %47, label %.lr.ph50, label %._crit_edge51, !llvm.loop !12

48:                                               ; preds = %._crit_edge51
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %33, i32 noundef %.055)
          to label %50 unwind label %71

50:                                               ; preds = %48
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %52 unwind label %71

52:                                               ; preds = %50
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.027.lcssa)
          to label %54 unwind label %71

54:                                               ; preds = %52
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef nonnull @.str.1)
          to label %56 unwind label %71

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %55, i32 noundef %.028.lcssa)
          to label %58 unwind label %71

58:                                               ; preds = %56
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %60 unwind label %71

60:                                               ; preds = %58
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %62 unwind label %71

62:                                               ; preds = %60
  %63 = add nuw nsw i32 %.055, 1
  %64 = 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 %65 unwind label %71

65:                                               ; preds = %62
  %66 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %64, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %67 unwind label %71

67:                                               ; preds = %65
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  %68 = load i32, ptr %1, align 4, !tbaa !5
  %69 = load i32, ptr %2, align 4, !tbaa !5
  %70 = sub i32 0, %69
  %.not = icmp eq i32 %68, %70
  br i1 %.not, label %._crit_edge58, label %.lr.ph57, !llvm.loop !13

71:                                               ; preds = %65, %62, %60, %58, %56, %54, %52, %50, %48, %._crit_edge51
  %72 = landingpad { ptr, i32 }
          cleanup
  br label %73

73:                                               ; preds = %71, %21
  %.pn = phi { ptr, i32 } [ %22, %21 ], [ %72, %71 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn

._crit_edge58:                                    ; preds = %67, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

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

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 #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #6

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #6

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #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 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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