; LLVM IR from kazunetakahashi/atcoder :: 2019/0519_ABC126/past2 (D)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl.base", [4 x i8] }
%"struct.std::_Tuple_impl.base" = type <{ %"struct.std::_Tuple_impl.5", %"struct.std::_Head_base.6" }>
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i64 }
%"struct.std::_Head_base.6" = type { i32 }
%class.Solve = type { i32, %"class.std::vector", %"class.std::vector.7" }
%"class.std::vector.7" = type { %"struct.std::_Vector_base.8" }
%"struct.std::_Vector_base.8" = 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

; 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 %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::tuple", align 8
  %12 = alloca %"class.std::tuple", align 8
  %13 = alloca %class.Solve, align 8
  %14 = alloca %"class.std::vector", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %15 = 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)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #6
  call void @_ZNSaISt6vectorISt5tupleIJixEESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %25

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorISt5tupleIJixEESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %48, %18
  %20 = load i32, ptr %7, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sub nsw i32 %21, 1
  %23 = icmp slt i32 %20, %22
  br i1 %23, label %29, label %24

24:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %64

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %5, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt6vectorISt5tupleIJixEESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  br label %84

29:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #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) %8)
          to label %31 unwind label %51

31:                                               ; preds = %29
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %33 unwind label %51

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %35 unwind label %51

35:                                               ; preds = %33
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %8, align 4, !tbaa !5
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %9, align 4, !tbaa !5
  %40 = load i32, ptr %8, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %41) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #6
  call void @_ZNSt5tupleIJixEEC2IRiRxTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(12) %11, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  invoke void @_ZNSt6vectorISt5tupleIJixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr noundef nonnull align 8 dereferenceable(12) %11)
          to label %43 unwind label %55

43:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %45) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #6
  call void @_ZNSt5tupleIJixEEC2IRiRxTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(12) %12, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  invoke void @_ZNSt6vectorISt5tupleIJixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %46, ptr noundef nonnull align 8 dereferenceable(12) %12)
          to label %47 unwind label %59

47:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %7, align 4, !tbaa !5
  br label %19, !llvm.loop !9

51:                                               ; preds = %33, %31, %29
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %5, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %6, align 4
  br label %63

55:                                               ; preds = %35
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %5, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  br label %63

59:                                               ; preds = %43
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %5, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  br label %63

63:                                               ; preds = %59, %55, %51
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %83

64:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 56, ptr %13) #6
  %65 = load i32, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %66 unwind label %70

66:                                               ; preds = %64
  invoke void @_ZN5SolveC2EiSt6vectorIS0_ISt5tupleIJixEESaIS2_EESaIS4_EE(ptr noundef nonnull align 8 dereferenceable(56) %13, i32 noundef %65, ptr noundef %14)
          to label %67 unwind label %74

67:                                               ; preds = %66
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  invoke void @_ZN5Solve5flushEv(ptr noundef nonnull align 8 dereferenceable(56) %13)
          to label %68 unwind label %78

68:                                               ; preds = %67
  call void @_ZN5SolveD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %13) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %13) #6
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %69 = load i32, ptr %1, align 4
  ret i32 %69

70:                                               ; preds = %64
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %5, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %6, align 4
  br label %82

74:                                               ; preds = %66
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %5, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %6, align 4
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br label %82

78:                                               ; preds = %67
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %5, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %6, align 4
  call void @_ZN5SolveD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %13) #6
  br label %82

82:                                               ; preds = %78, %74, %70
  call void @llvm.lifetime.end.p0(i64 56, ptr %13) #6
  br label %83

83:                                               ; preds = %82, %63
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %84

84:                                               ; preds = %83, %25
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %85

85:                                               ; preds = %84
  %86 = load ptr, ptr %5, align 8
  %87 = load i32, ptr %6, align 4
  %88 = insertvalue { ptr, i32 } poison, ptr %86, 0
  %89 = insertvalue { ptr, i32 } %88, i32 %87, 1
  resume { ptr, i32 } %89
}

; 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 @_ZNSaISt6vectorISt5tupleIJixEESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorISt5tupleIJixEESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 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 dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(12)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJixEEC2IRiRxTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SolveC2EiSt6vectorIS0_ISt5tupleIJixEESaIS2_EESaIS4_EE(ptr noundef nonnull align 8 dereferenceable(56), i32 noundef, ptr noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Solve5flushEv(ptr noundef nonnull align 8 dereferenceable(56)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5SolveD2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #5 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 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 = { 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"}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::tuple<int, long long>>, std::allocator<std::vector<std::tuple<int, long long>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl.base", [4 x i8] }
%"struct.std::_Tuple_impl.base" = type <{ %"struct.std::_Tuple_impl.5", %"struct.std::_Head_base.6" }>
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i64 }
%"struct.std::_Head_base.6" = type { i32 }
%class.Solve = type { i32, %"class.std::vector", %"class.std::vector.7" }
%"class.std::vector.7" = type { %"struct.std::_Vector_base.8" }
%"struct.std::_Vector_base.8" = 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

; 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::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::tuple", align 8
  %8 = alloca %"class.std::tuple", align 8
  %9 = alloca %class.Solve, align 8
  %10 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %11 = 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)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaISt6vectorISt5tupleIJixEESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %14 unwind label %17

14:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorISt5tupleIJixEESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 1
  br i1 %16, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %35, %14
  %.lcssa = phi i32 [ %15, %14 ], [ %37, %35 ]
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %9) #6
  invoke void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %47 unwind label %50

17:                                               ; preds = %0
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorISt5tupleIJixEESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %58

.lr.ph:                                           ; preds = %14, %35
  %.017 = phi i32 [ %36, %35 ], [ 0, %14 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %19 = 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 %20 unwind label %40

20:                                               ; preds = %.lr.ph
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %22 unwind label %40

22:                                               ; preds = %20
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %24 unwind label %40

24:                                               ; preds = %22
  %25 = load i32, ptr %4, align 4, !tbaa !5
  %26 = add nsw i32 %25, -1
  store i32 %26, ptr %4, align 4, !tbaa !5
  %27 = load i32, ptr %5, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %5, align 4, !tbaa !5
  %29 = sext i32 %26 to i64
  %30 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %29) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  call void @_ZNSt5tupleIJixEEC2IRiRxTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(12) %7, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  invoke void @_ZNSt6vectorISt5tupleIJixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %30, ptr noundef nonnull align 8 dereferenceable(12) %7)
          to label %31 unwind label %42

31:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %33) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #6
  call void @_ZNSt5tupleIJixEEC2IRiRxTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(12) %8, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  invoke void @_ZNSt6vectorISt5tupleIJixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %34, ptr noundef nonnull align 8 dereferenceable(12) %8)
          to label %35 unwind label %44

35:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %36 = add nuw nsw i32 %.017, 1
  %37 = load i32, ptr %1, align 4, !tbaa !5
  %38 = add nsw i32 %37, -1
  %39 = icmp slt i32 %36, %38
  br i1 %39, label %.lr.ph, label %._crit_edge, !llvm.loop !9

40:                                               ; preds = %22, %20, %.lr.ph
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %46

42:                                               ; preds = %24
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  br label %46

44:                                               ; preds = %31
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br label %46

46:                                               ; preds = %44, %42, %40
  %.pn10 = phi { ptr, i32 } [ %45, %44 ], [ %43, %42 ], [ %41, %40 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %57

47:                                               ; preds = %._crit_edge
  invoke void @_ZN5SolveC2EiSt6vectorIS0_ISt5tupleIJixEESaIS2_EESaIS4_EE(ptr noundef nonnull align 8 dereferenceable(56) %9, i32 noundef %.lcssa, ptr noundef nonnull %10)
          to label %48 unwind label %52

48:                                               ; preds = %47
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  invoke void @_ZN5Solve5flushEv(ptr noundef nonnull align 8 dereferenceable(56) %9)
          to label %49 unwind label %54

49:                                               ; preds = %48
  call void @_ZN5SolveD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %9) #6
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

50:                                               ; preds = %._crit_edge
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %56

52:                                               ; preds = %47
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %56

54:                                               ; preds = %48
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN5SolveD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #6
  br label %56

56:                                               ; preds = %54, %52, %50
  %.pn = phi { ptr, i32 } [ %55, %54 ], [ %53, %52 ], [ %51, %50 ]
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %9) #6
  br label %57

57:                                               ; preds = %56, %46
  %.pn10.pn = phi { ptr, i32 } [ %.pn10, %46 ], [ %.pn, %56 ]
  call void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %58

58:                                               ; preds = %57, %17
  %.pn10.pn.pn = phi { ptr, i32 } [ %.pn10.pn, %57 ], [ %18, %17 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn10.pn.pn
}

; 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 @_ZNSaISt6vectorISt5tupleIJixEESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorISt5tupleIJixEESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 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 dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJixEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJixEEC2IRiRxTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SolveC2EiSt6vectorIS0_ISt5tupleIJixEESaIS2_EESaIS4_EE(ptr noundef nonnull align 8 dereferenceable(56), i32 noundef, ptr noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ISt5tupleIJixEESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Solve5flushEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5SolveD2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #5 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 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 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 = { 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"}


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