; LLVM IR from emeraldacoustics/atcoder-solutions :: arc179_c (main)

; 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<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 uwtable
declare dso_local noundef i32 @_Z3addii(i32 noundef, i32 noundef) #0

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z7compareii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4donev() #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12sort_indexesSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

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

; 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: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 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
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %17 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %18 = 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) #5
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %26, %0
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %33

24:                                               ; preds = %19
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %25 unwind label %29

25:                                               ; preds = %24
  br label %26

26:                                               ; preds = %25
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %4, align 4, !tbaa !5
  br label %19, !llvm.loop !9

29:                                               ; preds = %24
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %5, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %162

33:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %34 unwind label %79

34:                                               ; preds = %33
  invoke void @_Z12sort_indexesSt6vectorIiSaIiEE(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %7, ptr noundef %8)
          to label %35 unwind label %83

35:                                               ; preds = %34
  %36 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  br label %37

37:                                               ; preds = %152, %35
  %38 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %39 = icmp ugt i64 %38, 1
  br i1 %39, label %40, label %155

40:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %41 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %42 = trunc i64 %41 to i32
  store i32 %42, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #5
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = sub nsw i32 %45, 1
  %47 = sext i32 %46 to i64
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %47) #5
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = invoke noundef i32 @_Z3addii(i32 noundef %44, i32 noundef %49)
          to label %51 unwind label %88

51:                                               ; preds = %40
  store i32 %50, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #5
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  %52 = load i32, ptr %9, align 4, !tbaa !5
  %53 = sub nsw i32 %52, 1
  store i32 %53, ptr %13, align 4, !tbaa !5
  %54 = load i32, ptr %9, align 4, !tbaa !5
  %55 = icmp sgt i32 %54, 2
  br i1 %55, label %56, label %100

56:                                               ; preds = %51
  br label %57

57:                                               ; preds = %98, %56
  %58 = load i32, ptr %12, align 4, !tbaa !5
  %59 = add nsw i32 %58, 1
  %60 = load i32, ptr %13, align 4, !tbaa !5
  %61 = icmp slt i32 %59, %60
  br i1 %61, label %62, label %99

62:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %63 = load i32, ptr %12, align 4, !tbaa !5
  %64 = load i32, ptr %13, align 4, !tbaa !5
  %65 = load i32, ptr %12, align 4, !tbaa !5
  %66 = sub nsw i32 %64, %65
  %67 = sdiv i32 %66, 2
  %68 = add nsw i32 %63, %67
  store i32 %68, ptr %14, align 4, !tbaa !5
  %69 = load i32, ptr %10, align 4, !tbaa !5
  %70 = load i32, ptr %14, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %71) #5
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = invoke noundef i32 @_Z7compareii(i32 noundef %69, i32 noundef %73)
          to label %75 unwind label %92

75:                                               ; preds = %62
  %76 = icmp ne i32 %74, 0
  br i1 %76, label %77, label %96

77:                                               ; preds = %75
  %78 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %78, ptr %13, align 4, !tbaa !5
  br label %98

79:                                               ; preds = %33
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %5, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %6, align 4
  br label %87

83:                                               ; preds = %34
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %5, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %6, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %87

87:                                               ; preds = %83, %79
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  br label %162

88:                                               ; preds = %40
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %5, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %6, align 4
  br label %154

92:                                               ; preds = %62
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %5, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %153

96:                                               ; preds = %75
  %97 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %97, ptr %12, align 4, !tbaa !5
  br label %98

98:                                               ; preds = %96, %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %57, !llvm.loop !11

99:                                               ; preds = %57
  br label %100

100:                                              ; preds = %99, %51
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #5
  store i32 1, ptr %15, align 4, !tbaa !5
  br label %101

101:                                              ; preds = %118, %100
  %102 = load i32, ptr %15, align 4, !tbaa !5
  %103 = load i32, ptr %13, align 4, !tbaa !5
  %104 = icmp slt i32 %102, %103
  br i1 %104, label %105, label %110

105:                                              ; preds = %101
  %106 = load i32, ptr %15, align 4, !tbaa !5
  %107 = load i32, ptr %9, align 4, !tbaa !5
  %108 = sub nsw i32 %107, 1
  %109 = icmp slt i32 %106, %108
  br label %110

110:                                              ; preds = %105, %101
  %111 = phi i1 [ false, %101 ], [ %109, %105 ]
  br i1 %111, label %113, label %112

112:                                              ; preds = %110
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %125

113:                                              ; preds = %110
  %114 = load i32, ptr %15, align 4, !tbaa !5
  %115 = sext i32 %114 to i64
  %116 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %115) #5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 4 dereferenceable(4) %116)
          to label %117 unwind label %121

117:                                              ; preds = %113
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %15, align 4, !tbaa !5
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %15, align 4, !tbaa !5
  br label %101, !llvm.loop !12

121:                                              ; preds = %113
  %122 = landingpad { ptr, i32 }
          cleanup
  %123 = extractvalue { ptr, i32 } %122, 0
  store ptr %123, ptr %5, align 8
  %124 = extractvalue { ptr, i32 } %122, 1
  store i32 %124, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %153

125:                                              ; preds = %112
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %126 unwind label %134

126:                                              ; preds = %125
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  %127 = load i32, ptr %13, align 4, !tbaa !5
  store i32 %127, ptr %16, align 4, !tbaa !5
  br label %128

128:                                              ; preds = %143, %126
  %129 = load i32, ptr %16, align 4, !tbaa !5
  %130 = load i32, ptr %9, align 4, !tbaa !5
  %131 = sub nsw i32 %130, 1
  %132 = icmp slt i32 %129, %131
  br i1 %132, label %138, label %133

133:                                              ; preds = %128
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %150

134:                                              ; preds = %150, %125
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %5, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %6, align 4
  br label %153

138:                                              ; preds = %128
  %139 = load i32, ptr %16, align 4, !tbaa !5
  %140 = sext i32 %139 to i64
  %141 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %140) #5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 4 dereferenceable(4) %141)
          to label %142 unwind label %146

142:                                              ; preds = %138
  br label %143

143:                                              ; preds = %142
  %144 = load i32, ptr %16, align 4, !tbaa !5
  %145 = add nsw i32 %144, 1
  store i32 %145, ptr %16, align 4, !tbaa !5
  br label %128, !llvm.loop !13

146:                                              ; preds = %138
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %5, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %153

150:                                              ; preds = %133
  %151 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %11)
          to label %152 unwind label %134

152:                                              ; preds = %150
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %37, !llvm.loop !14

153:                                              ; preds = %146, %134, %121, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #5
  br label %154

154:                                              ; preds = %153, %88
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %162

155:                                              ; preds = %37
  invoke void @_Z4donev()
          to label %156 unwind label %158

156:                                              ; preds = %155
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %157 = load i32, ptr %1, align 4
  ret i32 %157

158:                                              ; preds = %155
  %159 = landingpad { ptr, i32 }
          cleanup
  %160 = extractvalue { ptr, i32 } %159, 0
  store ptr %160, ptr %5, align 8
  %161 = extractvalue { ptr, i32 } %159, 1
  store i32 %161, ptr %6, align 4
  br label %162

162:                                              ; preds = %158, %154, %87, %29
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %163

163:                                              ; preds = %162
  %164 = load ptr, ptr %5, align 8
  %165 = load i32, ptr %6, align 4
  %166 = insertvalue { ptr, i32 } poison, ptr %164, 0
  %167 = insertvalue { ptr, i32 } %166, i32 %165, 1
  resume { ptr, i32 } %167
}

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 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 = { "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 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 #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!14 = distinct !{!14, !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::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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3addii(i32 noundef, i32 noundef) local_unnamed_addr #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z7compareii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4donev() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12sort_indexesSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

; 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 #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

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

; 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: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %9 = 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
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  %10 = load i32, ptr %1, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %12, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %19 unwind label %46

.lr.ph:                                           ; preds = %0, %12
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %12 unwind label %17

12:                                               ; preds = %.lr.ph
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = add nsw i32 %13, 1
  store i32 %14, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !9

17:                                               ; preds = %.lr.ph
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %77

19:                                               ; preds = %._crit_edge
  invoke void @_Z12sort_indexesSt6vectorIiSaIiEE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %4, ptr noundef nonnull %5)
          to label %20 unwind label %48

20:                                               ; preds = %19
  %21 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  %22 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %23 = icmp ugt i64 %22, 1
  br i1 %23, label %.lr.ph54, label %._crit_edge55

.lr.ph54:                                         ; preds = %20, %69
  %24 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %25 = trunc i64 %24 to i32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #6
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %25, -1
  %29 = sext i32 %28 to i64
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %29) #6
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = invoke noundef i32 @_Z3addii(i32 noundef %27, i32 noundef %31)
          to label %33 unwind label %51

33:                                               ; preds = %.lr.ph54
  store i32 %32, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  %34 = icmp sgt i32 %25, 2
  br i1 %34, label %.lr.ph45, label %.loopexit

.lr.ph45:                                         ; preds = %33, %43
  %.02544 = phi i32 [ %.025., %43 ], [ %28, %33 ]
  %.02643 = phi i32 [ %..026, %43 ], [ 0, %33 ]
  %35 = sub nsw i32 %.02544, %.02643
  %36 = sdiv i32 %35, 2
  %37 = add nsw i32 %36, %.02643
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = sext i32 %37 to i64
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %39) #6
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = invoke noundef i32 @_Z7compareii(i32 noundef %38, i32 noundef %41)
          to label %43 unwind label %53

43:                                               ; preds = %.lr.ph45
  %.not = icmp eq i32 %42, 0
  %..026 = select i1 %.not, i32 %37, i32 %.02643
  %.025. = select i1 %.not, i32 %.02544, i32 %37
  %44 = add nsw i32 %..026, 1
  %45 = icmp slt i32 %44, %.025.
  br i1 %45, label %.lr.ph45, label %.loopexit, !llvm.loop !11

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

48:                                               ; preds = %19
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %50

50:                                               ; preds = %48, %46
  %.pn = phi { ptr, i32 } [ %49, %48 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %77

51:                                               ; preds = %.lr.ph54
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %73

53:                                               ; preds = %.lr.ph45
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %72

.loopexit:                                        ; preds = %43, %33
  %.2 = phi i32 [ %28, %33 ], [ %.025., %43 ]
  %invariant.smin = call i32 @llvm.smin.i32(i32 %.2, i32 %28)
  %55 = icmp sgt i32 %invariant.smin, 1
  br i1 %55, label %.lr.ph48.preheader, label %._crit_edge49

.lr.ph48.preheader:                               ; preds = %.loopexit
  %wide.trip.count = zext nneg i32 %invariant.smin to i64
  br label %.lr.ph48

._crit_edge49:                                    ; preds = %59, %.loopexit
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %.preheader unwind label %63

.preheader:                                       ; preds = %._crit_edge49
  %56 = icmp slt i32 %.2, %28
  br i1 %56, label %.lr.ph51.preheader, label %._crit_edge52

.lr.ph51.preheader:                               ; preds = %.preheader
  %57 = sext i32 %.2 to i64
  br label %.lr.ph51

.lr.ph48:                                         ; preds = %.lr.ph48.preheader, %59
  %indvars.iv = phi i64 [ 1, %.lr.ph48.preheader ], [ %indvars.iv.next, %59 ]
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %58)
          to label %59 unwind label %60

59:                                               ; preds = %.lr.ph48
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge49, label %.lr.ph48, !llvm.loop !12

60:                                               ; preds = %.lr.ph48
  %61 = landingpad { ptr, i32 }
          cleanup
  br label %72

._crit_edge52:                                    ; preds = %66, %.preheader
  %62 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %69 unwind label %63

63:                                               ; preds = %._crit_edge52, %._crit_edge49
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %72

.lr.ph51:                                         ; preds = %.lr.ph51.preheader, %66
  %indvars.iv57 = phi i64 [ %57, %.lr.ph51.preheader ], [ %indvars.iv.next58, %66 ]
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv57) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %65)
          to label %66 unwind label %67

66:                                               ; preds = %.lr.ph51
  %indvars.iv.next58 = add nsw i64 %indvars.iv57, 1
  %exitcond61.not = icmp eq i64 %indvars.iv.next58, %29
  br i1 %exitcond61.not, label %._crit_edge52, label %.lr.ph51, !llvm.loop !13

67:                                               ; preds = %.lr.ph51
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %72

69:                                               ; preds = %._crit_edge52
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  %70 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %71 = icmp ugt i64 %70, 1
  br i1 %71, label %.lr.ph54, label %._crit_edge55, !llvm.loop !14

72:                                               ; preds = %67, %63, %60, %53
  %.pn36 = phi { ptr, i32 } [ %54, %53 ], [ %61, %60 ], [ %68, %67 ], [ %64, %63 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #6
  br label %73

73:                                               ; preds = %72, %51
  %.pn36.pn = phi { ptr, i32 } [ %.pn36, %72 ], [ %52, %51 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  br label %77

._crit_edge55:                                    ; preds = %69, %20
  invoke void @_Z4donev()
          to label %74 unwind label %75

74:                                               ; preds = %._crit_edge55
  call void @_ZNSt6vectorIiSaIiEED2Ev(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

75:                                               ; preds = %._crit_edge55
  %76 = landingpad { ptr, i32 }
          cleanup
  br label %77

77:                                               ; preds = %75, %73, %50, %17
  %.pn39 = phi { ptr, i32 } [ %18, %17 ], [ %.pn36.pn, %73 ], [ %76, %75 ], [ %.pn, %50 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(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
  resume { ptr, i32 } %.pn39
}

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #5

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 = { "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 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 #5 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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}
!14 = distinct !{!14, !10}


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