; LLVM IR from upupming/algorithm :: AdvancedLevel_C++/1154. Vertex Coloring (25) (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<node, std::allocator<node>>::_Vector_impl" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%struct.node = type { i32, i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca [10009 x i32], align 16
  %11 = alloca i8, align 1
  %12 = alloca %"class.std::set", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %17 = 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)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaI4nodeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorI4nodeSaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %21 unwind label %27

21:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI4nodeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %42, %21
  %23 = load i32, ptr %9, align 4, !tbaa !5
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = icmp slt i32 %23, %24
  br i1 %25, label %31, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %49

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %7, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %8, align 4
  call void @_ZNSt15__new_allocatorI4nodeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  br label %137

31:                                               ; preds = %22
  %32 = load i32, ptr %9, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %33) #6
  %35 = getelementptr inbounds %struct.node, ptr %34, i32 0, i32 0
  %36 = load i32, ptr %9, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %37) #6
  %39 = getelementptr inbounds %struct.node, ptr %38, i32 0, i32 1
  %40 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %35, ptr noundef %39)
          to label %41 unwind label %45

41:                                               ; preds = %31
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %9, align 4, !tbaa !5
  br label %22, !llvm.loop !9

45:                                               ; preds = %31
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %7, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %136

49:                                               ; preds = %26
  %50 = 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 %51 unwind label %62

51:                                               ; preds = %49
  br label %52

52:                                               ; preds = %132, %51
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = add nsw i32 %53, -1
  store i32 %54, ptr %4, align 4, !tbaa !5
  %55 = icmp ne i32 %53, 0
  br i1 %55, label %56, label %134

56:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 40036, ptr %10) #6
  call void @llvm.memset.p0.i64(ptr align 16 %10, i8 0, i64 40036, i1 false)
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #6
  store i8 1, ptr %11, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 48, ptr %12) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %57

57:                                               ; preds = %81, %56
  %58 = load i32, ptr %13, align 4, !tbaa !5
  %59 = load i32, ptr %2, align 4, !tbaa !5
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %66, label %61

61:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %88

62:                                               ; preds = %49
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %7, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %8, align 4
  br label %136

66:                                               ; preds = %57
  %67 = load i32, ptr %13, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [10009 x i32], ptr %10, i64 0, i64 %68
  %70 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %69)
          to label %71 unwind label %84

71:                                               ; preds = %66
  %72 = load i32, ptr %13, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [10009 x i32], ptr %10, i64 0, i64 %73
  %75 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(4) %74)
          to label %76 unwind label %84

76:                                               ; preds = %71
  %77 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 0
  %78 = extractvalue { ptr, i8 } %75, 0
  store ptr %78, ptr %77, align 8
  %79 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 1
  %80 = extractvalue { ptr, i8 } %75, 1
  store i8 %80, ptr %79, align 8
  br label %81

81:                                               ; preds = %76
  %82 = load i32, ptr %13, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %13, align 4, !tbaa !5
  br label %57, !llvm.loop !13

84:                                               ; preds = %71, %66
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %7, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %133

88:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %89

89:                                               ; preds = %114, %88
  %90 = load i32, ptr %15, align 4, !tbaa !5
  %91 = load i32, ptr %3, align 4, !tbaa !5
  %92 = icmp slt i32 %90, %91
  br i1 %92, label %94, label %93

93:                                               ; preds = %89
  store i32 10, ptr %16, align 4
  br label %117

94:                                               ; preds = %89
  %95 = load i32, ptr %15, align 4, !tbaa !5
  %96 = sext i32 %95 to i64
  %97 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %96) #6
  %98 = getelementptr inbounds %struct.node, ptr %97, i32 0, i32 0
  %99 = load i32, ptr %98, align 4, !tbaa !14
  %100 = sext i32 %99 to i64
  %101 = getelementptr inbounds [10009 x i32], ptr %10, i64 0, i64 %100
  %102 = load i32, ptr %101, align 4, !tbaa !5
  %103 = load i32, ptr %15, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %104) #6
  %106 = getelementptr inbounds %struct.node, ptr %105, i32 0, i32 1
  %107 = load i32, ptr %106, align 4, !tbaa !16
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds [10009 x i32], ptr %10, i64 0, i64 %108
  %110 = load i32, ptr %109, align 4, !tbaa !5
  %111 = icmp eq i32 %102, %110
  br i1 %111, label %112, label %113

112:                                              ; preds = %94
  store i8 0, ptr %11, align 1, !tbaa !11
  store i32 10, ptr %16, align 4
  br label %117

113:                                              ; preds = %94
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %15, align 4, !tbaa !5
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %15, align 4, !tbaa !5
  br label %89, !llvm.loop !17

117:                                              ; preds = %112, %93
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %118

118:                                              ; preds = %117
  %119 = load i8, ptr %11, align 1, !tbaa !11, !range !18, !noundef !19
  %120 = trunc i8 %119 to i1
  br i1 %120, label %121, label %129

121:                                              ; preds = %118
  %122 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %12) #6
  %123 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %122)
          to label %124 unwind label %125

124:                                              ; preds = %121
  br label %132

125:                                              ; preds = %129, %121
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %7, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %8, align 4
  br label %133

129:                                              ; preds = %118
  %130 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3)
          to label %131 unwind label %125

131:                                              ; preds = %129
  br label %132

132:                                              ; preds = %131, %124
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 40036, ptr %10) #6
  br label %52, !llvm.loop !20

133:                                              ; preds = %125, %84
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 40036, ptr %10) #6
  br label %136

134:                                              ; preds = %52
  store i32 0, ptr %1, align 4
  store i32 1, ptr %16, align 4
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %135 = load i32, ptr %1, align 4
  ret i32 %135

136:                                              ; preds = %133, %62, %45
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %137

137:                                              ; preds = %136, %27
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %138

138:                                              ; preds = %137
  %139 = load ptr, ptr %7, align 8
  %140 = load i32, ptr %8, align 4
  %141 = insertvalue { ptr, i32 } poison, ptr %139, 0
  %142 = insertvalue { ptr, i32 } %141, i32 %140, 1
  resume { ptr, i32 } %142
}

; 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 @_ZNSaI4nodeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EEC2EmRKS1_(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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI4nodeED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTS4node", !6, i64 0, !6, i64 4}
!16 = !{!15, !6, i64 4}
!17 = distinct !{!17, !10}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = distinct !{!20, !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<node, std::allocator<node>>::_Vector_impl" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca [10009 x i32], align 16
  %7 = alloca %"class.std::set", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %8 = 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)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaI4nodeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorI4nodeSaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %12 unwind label %18

12:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI4nodeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %12
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %.preheader24 unwind label %30

.preheader24:                                     ; preds = %._crit_edge
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = add nsw i32 %16, -1
  store i32 %17, ptr %3, align 4, !tbaa !5
  %.not32 = icmp eq i32 %16, 0
  br i1 %.not32, label %._crit_edge34, label %.lr.ph33

18:                                               ; preds = %0
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorI4nodeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %64

.lr.ph:                                           ; preds = %12, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %12 ]
  %20 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #7
  %21 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #7
  %22 = getelementptr inbounds i8, ptr %21, i64 4
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %20, ptr noundef nonnull %22)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = icmp slt i64 %indvars.iv.next, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.lr.ph33:                                         ; preds = %.preheader24, %60
  call void @llvm.lifetime.start.p0(i64 40036, ptr nonnull %6) #7
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(40036) %6, i8 0, i64 40036, i1 false)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %7) #7
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #7
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = icmp sgt i32 %27, 0
  br i1 %28, label %.lr.ph28, label %.preheader

.preheader:                                       ; preds = %35, %.lr.ph33
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %.not2129 = icmp sgt i32 %29, 0
  br i1 %.not2129, label %.lr.ph31, label %.critedge

30:                                               ; preds = %._crit_edge
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %63

.lr.ph28:                                         ; preds = %.lr.ph33, %35
  %indvars.iv36 = phi i64 [ %indvars.iv.next37, %35 ], [ 0, %.lr.ph33 ]
  %32 = getelementptr inbounds [10009 x i32], ptr %6, i64 0, i64 %indvars.iv36
  %33 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %32)
  %34 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr noundef nonnull align 4 dereferenceable(4) %32)
          to label %35 unwind label %39

35:                                               ; preds = %.lr.ph28
  %indvars.iv.next37 = add nuw nsw i64 %indvars.iv36, 1
  %36 = load i32, ptr %1, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = icmp slt i64 %indvars.iv.next37, %37
  br i1 %38, label %.lr.ph28, label %.preheader, !llvm.loop !11

39:                                               ; preds = %.lr.ph28
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 40036, ptr nonnull %6) #7
  br label %63

41:                                               ; preds = %.lr.ph31
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %.not21 = icmp slt i64 %indvars.iv.next40, %43
  br i1 %.not21, label %.lr.ph31, label %.critedge, !llvm.loop !12

.lr.ph31:                                         ; preds = %.preheader, %41
  %indvars.iv39 = phi i64 [ %indvars.iv.next40, %41 ], [ 0, %.preheader ]
  %44 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv39) #7
  %45 = load i32, ptr %44, align 4, !tbaa !13
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [10009 x i32], ptr %6, i64 0, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv39) #7
  %50 = getelementptr inbounds i8, ptr %49, i64 4
  %51 = load i32, ptr %50, align 4, !tbaa !15
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [10009 x i32], ptr %6, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = icmp eq i32 %48, %54
  br i1 %55, label %58, label %41

.critedge:                                        ; preds = %41, %.preheader
  %56 = call noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #7
  %57 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %56)
  br label %60

58:                                               ; preds = %.lr.ph31
  %59 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  br label %60

60:                                               ; preds = %58, %.critedge
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 40036, ptr nonnull %6) #7
  %61 = load i32, ptr %3, align 4, !tbaa !5
  %62 = add nsw i32 %61, -1
  store i32 %62, ptr %3, align 4, !tbaa !5
  %.not = icmp eq i32 %61, 0
  br i1 %.not, label %._crit_edge34, label %.lr.ph33, !llvm.loop !16

._crit_edge34:                                    ; preds = %60, %.preheader24
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

63:                                               ; preds = %39, %30
  %.pn = phi { ptr, i32 } [ %40, %39 ], [ %31, %30 ]
  call void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %64

64:                                               ; preds = %63, %18
  %.pn.pn = phi { ptr, i32 } [ %.pn, %63 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.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 @_ZNSaI4nodeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EEC2EmRKS1_(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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI4nodeED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 = { nofree nounwind "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTS4node", !6, i64 0, !6, i64 4}
!15 = !{!14, !6, i64 4}
!16 = distinct !{!16, !10}


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