; LLVM IR from AdarshGaur/Competitive-Programming :: Codechef/Random Problems/Charges.ll (Z5solvev)

; 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] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_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 [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %15 = 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)
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %18 unwind label %25

18:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %19 unwind label %29

19:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 1, ptr %9, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %67, %19
  %21 = load i64, ptr %9, align 8, !tbaa !5
  %22 = load i64, ptr %1, align 8, !tbaa !5
  %23 = icmp slt i64 %21, %22
  br i1 %23, label %33, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %71

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %4, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %5, align 4
  br label %159

29:                                               ; preds = %18
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %4, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %158

33:                                               ; preds = %20
  %34 = load i64, ptr %9, align 8, !tbaa !5
  %35 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %34)
          to label %36 unwind label %50

36:                                               ; preds = %33
  %37 = load i8, ptr %35, align 1, !tbaa !9
  %38 = sext i8 %37 to i32
  %39 = load i64, ptr %9, align 8, !tbaa !5
  %40 = sub nsw i64 %39, 1
  %41 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %40)
          to label %42 unwind label %50

42:                                               ; preds = %36
  %43 = load i8, ptr %41, align 1, !tbaa !9
  %44 = sext i8 %43 to i32
  %45 = icmp eq i32 %38, %44
  br i1 %45, label %46, label %58

46:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 2, ptr %10, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %47 unwind label %54

47:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  %48 = load i64, ptr %8, align 8, !tbaa !5
  %49 = add nsw i64 %48, 2
  store i64 %49, ptr %8, align 8, !tbaa !5
  br label %66

50:                                               ; preds = %36, %33
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %4, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %5, align 4
  br label %70

54:                                               ; preds = %46
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %4, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %70

58:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 1, ptr %11, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %59 unwind label %62

59:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  %60 = load i64, ptr %8, align 8, !tbaa !5
  %61 = add nsw i64 %60, 1
  store i64 %61, ptr %8, align 8, !tbaa !5
  br label %66

62:                                               ; preds = %58
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %4, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %70

66:                                               ; preds = %59, %47
  br label %67

67:                                               ; preds = %66
  %68 = load i64, ptr %9, align 8, !tbaa !5
  %69 = add nsw i64 %68, 1
  store i64 %69, ptr %9, align 8, !tbaa !5
  br label %20, !llvm.loop !10

70:                                               ; preds = %62, %54, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %157

71:                                               ; preds = %24
  %72 = load i64, ptr %2, align 8, !tbaa !5
  %73 = call ptr @llvm.stacksave.p0()
  store ptr %73, ptr %12, align 8
  %74 = alloca i64, i64 %72, align 16
  store i64 %72, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %75

75:                                               ; preds = %152, %71
  %76 = load i64, ptr %14, align 8, !tbaa !5
  %77 = load i64, ptr %2, align 8, !tbaa !5
  %78 = icmp slt i64 %76, %77
  br i1 %78, label %80, label %79

79:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %155

80:                                               ; preds = %75
  %81 = load i64, ptr %14, align 8, !tbaa !5
  %82 = getelementptr inbounds i64, ptr %74, i64 %81
  %83 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %82)
          to label %84 unwind label %105

84:                                               ; preds = %80
  %85 = load i64, ptr %14, align 8, !tbaa !5
  %86 = getelementptr inbounds i64, ptr %74, i64 %85
  %87 = load i64, ptr %86, align 8, !tbaa !5
  %88 = icmp ne i64 %87, 1
  br i1 %88, label %89, label %118

89:                                               ; preds = %84
  %90 = load i64, ptr %14, align 8, !tbaa !5
  %91 = getelementptr inbounds i64, ptr %74, i64 %90
  %92 = load i64, ptr %91, align 8, !tbaa !5
  %93 = sub nsw i64 %92, 1
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %93) #6
  %95 = load i64, ptr %94, align 8, !tbaa !5
  %96 = icmp eq i64 %95, 2
  br i1 %96, label %97, label %109

97:                                               ; preds = %89
  %98 = load i64, ptr %14, align 8, !tbaa !5
  %99 = getelementptr inbounds i64, ptr %74, i64 %98
  %100 = load i64, ptr %99, align 8, !tbaa !5
  %101 = sub nsw i64 %100, 1
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %101) #6
  store i64 1, ptr %102, align 8, !tbaa !5
  %103 = load i64, ptr %8, align 8, !tbaa !5
  %104 = add nsw i64 %103, -1
  store i64 %104, ptr %8, align 8, !tbaa !5
  br label %117

105:                                              ; preds = %149, %146, %80
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %4, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %157

109:                                              ; preds = %89
  %110 = load i64, ptr %14, align 8, !tbaa !5
  %111 = getelementptr inbounds i64, ptr %74, i64 %110
  %112 = load i64, ptr %111, align 8, !tbaa !5
  %113 = sub nsw i64 %112, 1
  %114 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %113) #6
  store i64 2, ptr %114, align 8, !tbaa !5
  %115 = load i64, ptr %8, align 8, !tbaa !5
  %116 = add nsw i64 %115, 1
  store i64 %116, ptr %8, align 8, !tbaa !5
  br label %117

117:                                              ; preds = %109, %97
  br label %118

118:                                              ; preds = %117, %84
  %119 = load i64, ptr %14, align 8, !tbaa !5
  %120 = getelementptr inbounds i64, ptr %74, i64 %119
  %121 = load i64, ptr %120, align 8, !tbaa !5
  %122 = load i64, ptr %1, align 8, !tbaa !5
  %123 = icmp ne i64 %121, %122
  br i1 %123, label %124, label %146

124:                                              ; preds = %118
  %125 = load i64, ptr %14, align 8, !tbaa !5
  %126 = getelementptr inbounds i64, ptr %74, i64 %125
  %127 = load i64, ptr %126, align 8, !tbaa !5
  %128 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %127) #6
  %129 = load i64, ptr %128, align 8, !tbaa !5
  %130 = icmp eq i64 %129, 2
  br i1 %130, label %131, label %138

131:                                              ; preds = %124
  %132 = load i64, ptr %14, align 8, !tbaa !5
  %133 = getelementptr inbounds i64, ptr %74, i64 %132
  %134 = load i64, ptr %133, align 8, !tbaa !5
  %135 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %134) #6
  store i64 1, ptr %135, align 8, !tbaa !5
  %136 = load i64, ptr %8, align 8, !tbaa !5
  %137 = add nsw i64 %136, -1
  store i64 %137, ptr %8, align 8, !tbaa !5
  br label %145

138:                                              ; preds = %124
  %139 = load i64, ptr %14, align 8, !tbaa !5
  %140 = getelementptr inbounds i64, ptr %74, i64 %139
  %141 = load i64, ptr %140, align 8, !tbaa !5
  %142 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %141) #6
  store i64 2, ptr %142, align 8, !tbaa !5
  %143 = load i64, ptr %8, align 8, !tbaa !5
  %144 = add nsw i64 %143, 1
  store i64 %144, ptr %8, align 8, !tbaa !5
  br label %145

145:                                              ; preds = %138, %131
  br label %146

146:                                              ; preds = %145, %118
  %147 = load i64, ptr %8, align 8, !tbaa !5
  %148 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %147)
          to label %149 unwind label %105

149:                                              ; preds = %146
  %150 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %148, ptr noundef @.str)
          to label %151 unwind label %105

151:                                              ; preds = %149
  br label %152

152:                                              ; preds = %151
  %153 = load i64, ptr %14, align 8, !tbaa !5
  %154 = add nsw i64 %153, 1
  store i64 %154, ptr %14, align 8, !tbaa !5
  br label %75, !llvm.loop !12

155:                                              ; preds = %79
  %156 = load ptr, ptr %12, align 8
  call void @llvm.stackrestore.p0(ptr %156)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #6
  ret void

157:                                              ; preds = %105, %70
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %158

158:                                              ; preds = %157, %29
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  br label %159

159:                                              ; preds = %158, %25
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #6
  br label %160

160:                                              ; preds = %159
  %161 = load ptr, ptr %4, align 8
  %162 = load i32, ptr %5, align 4
  %163 = insertvalue { ptr, i32 } poison, ptr %161, 0
  %164 = insertvalue { ptr, i32 } %163, i32 %162, 1
  resume { ptr, i32 } %164
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.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)) #0 align 2

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

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nosync nounwind willreturn }
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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::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] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_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 [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %8 = 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)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %11 unwind label %20

11:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  store i64 0, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %12 unwind label %22

12:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 1
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %38, %12
  %.030.lcssa = phi i64 [ 0, %12 ], [ %39, %38 ]
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = call ptr @llvm.stacksave.p0()
  %17 = alloca i64, i64 %15, align 16
  %18 = load i64, ptr %2, align 8, !tbaa !5
  %19 = icmp sgt i64 %18, 0
  br i1 %19, label %.lr.ph48, label %._crit_edge49

20:                                               ; preds = %0
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %75

22:                                               ; preds = %11
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %74

.lr.ph:                                           ; preds = %12, %38
  %.02944 = phi i64 [ %40, %38 ], [ 1, %12 ]
  %.03043 = phi i64 [ %39, %38 ], [ 0, %12 ]
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02944)
  %25 = load i8, ptr %24, align 1, !tbaa !9
  %26 = add nsw i64 %.02944, -1
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %26)
  %28 = load i8, ptr %27, align 1, !tbaa !9
  %29 = icmp eq i8 %25, %28
  br i1 %29, label %30, label %34

30:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  store i64 2, ptr %6, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %31 unwind label %32

31:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %38

32:                                               ; preds = %30
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %74

34:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  store i64 1, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %35 unwind label %36

35:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %38

36:                                               ; preds = %34
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %74

38:                                               ; preds = %31, %35
  %.sink = phi i64 [ 2, %31 ], [ 1, %35 ]
  %39 = add nuw nsw i64 %.03043, %.sink
  %40 = add nuw nsw i64 %.02944, 1
  %41 = load i64, ptr %1, align 8, !tbaa !5
  %42 = icmp slt i64 %40, %41
  br i1 %42, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge49:                                    ; preds = %70, %._crit_edge
  call void @llvm.stackrestore.p0(ptr %16)
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret void

.lr.ph48:                                         ; preds = %._crit_edge, %70
  %.046 = phi i64 [ %71, %70 ], [ 0, %._crit_edge ]
  %.23245 = phi i64 [ %.4, %70 ], [ %.030.lcssa, %._crit_edge ]
  %43 = getelementptr inbounds i64, ptr %17, i64 %.046
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %43)
          to label %45 unwind label %55

45:                                               ; preds = %.lr.ph48
  %46 = load i64, ptr %43, align 8, !tbaa !5
  %.not = icmp eq i64 %46, 1
  br i1 %.not, label %57, label %.sink.split

.sink.split:                                      ; preds = %45
  %47 = add nsw i64 %46, -1
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %47) #6
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = icmp eq i64 %49, 2
  %51 = load i64, ptr %43, align 8, !tbaa !5
  %52 = add nsw i64 %51, -1
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %52) #6
  %. = select i1 %50, i64 1, i64 2
  %.55 = select i1 %50, i64 -1, i64 1
  store i64 %., ptr %53, align 8, !tbaa !5
  %54 = add nsw i64 %.23245, %.55
  br label %57

55:                                               ; preds = %68, %66, %.lr.ph48
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %74

57:                                               ; preds = %.sink.split, %45
  %.333 = phi i64 [ %.23245, %45 ], [ %54, %.sink.split ]
  %58 = load i64, ptr %43, align 8, !tbaa !5
  %59 = load i64, ptr %1, align 8, !tbaa !5
  %.not36 = icmp eq i64 %58, %59
  br i1 %.not36, label %66, label %.sink.split52

.sink.split52:                                    ; preds = %57
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %58) #6
  %61 = load i64, ptr %60, align 8, !tbaa !5
  %62 = icmp eq i64 %61, 2
  %63 = load i64, ptr %43, align 8, !tbaa !5
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %63) #6
  %.56 = select i1 %62, i64 1, i64 2
  %.57 = select i1 %62, i64 -1, i64 1
  store i64 %.56, ptr %64, align 8, !tbaa !5
  %65 = add nsw i64 %.333, %.57
  br label %66

66:                                               ; preds = %.sink.split52, %57
  %.4 = phi i64 [ %.333, %57 ], [ %65, %.sink.split52 ]
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.4)
          to label %68 unwind label %55

68:                                               ; preds = %66
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef nonnull @.str)
          to label %70 unwind label %55

70:                                               ; preds = %68
  %71 = add nuw nsw i64 %.046, 1
  %72 = load i64, ptr %2, align 8, !tbaa !5
  %73 = icmp slt i64 %71, %72
  br i1 %73, label %.lr.ph48, label %._crit_edge49, !llvm.loop !12

74:                                               ; preds = %55, %36, %32, %22
  %.pn.pn.pn = phi { ptr, i32 } [ %23, %22 ], [ %56, %55 ], [ %33, %32 ], [ %37, %36 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %75

75:                                               ; preds = %74, %20
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %74 ], [ %21, %20 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn.pn.pn
}

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

; Function Attrs: mustprogress 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 #0 align 2

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

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backEOx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 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

; 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 #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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