; LLVM IR from eyangch/competitive-programming :: USACOcontests/silver/2018.03/multimoo.ll (Z3dfsiii)

; 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::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 }
%"class.std::set.0" = type { %"class.std::_Rb_tree.1" }
%"class.std::_Rb_tree.1" = type { %"struct.std::_Rb_tree<std::pair<int, std::pair<int, int>>, std::pair<int, std::pair<int, int>>, std::_Identity<std::pair<int, std::pair<int, int>>>, std::less<std::pair<int, std::pair<int, int>>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, std::pair<int, int>>, std::pair<int, std::pair<int, int>>, std::_Identity<std::pair<int, std::pair<int, int>>>, std::less<std::pair<int, std::pair<int, int>>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"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 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::_Rb_tree_const_iterator.9" = type { ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.10" }
%"struct.std::pair.10" = type { i32, i32 }
%"struct.std::pair.12" = type <{ %"struct.std::_Rb_tree_const_iterator.9", i8, [7 x i8] }>
%"struct.std::pair.14" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@visg = external dso_local global %"class.std::set", align 8
@adone = external dso_local global %"class.std::set.0", align 8
@graph = external dso_local global [62500 x %"class.std::vector"], align 16
@idnum = external dso_local global %"class.std::vector", align 8
@idval = external dso_local global %"class.std::vector", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z3dfsiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %10 = alloca %"struct.std::_Rb_tree_const_iterator.9", align 8
  %11 = alloca %"struct.std::pair", align 4
  %12 = alloca %"struct.std::pair.10", align 4
  %13 = alloca { i64, i32 }, align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator.9", align 8
  %15 = alloca %"struct.std::pair", align 4
  %16 = alloca %"struct.std::pair.10", align 4
  %17 = alloca { i64, i32 }, align 8
  %18 = alloca %"struct.std::pair.12", align 8
  %19 = alloca %"struct.std::pair.14", align 8
  %20 = alloca i32, align 4
  %21 = alloca ptr, align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %24 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %25 = call ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) @visg, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %26 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %8, i32 0, i32 0
  store ptr %25, ptr %26, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %27 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @visg) #5
  %28 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %9, i32 0, i32 0
  store ptr %27, ptr %28, align 8
  %29 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 12, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  br i1 %29, label %37, label %30

30:                                               ; preds = %3
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %31 = call { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(8) %12)
  store { i64, i32 } %31, ptr %13, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 8 %13, i64 12, i1 false)
  %32 = call ptr @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE4findERKS2_(ptr noundef nonnull align 8 dereferenceable(48) @adone, ptr noundef nonnull align 4 dereferenceable(12) %11)
  %33 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.9", ptr %10, i32 0, i32 0
  store ptr %32, ptr %33, align 8
  %34 = call ptr @_ZNKSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @adone) #5
  %35 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.9", ptr %14, i32 0, i32 0
  store ptr %34, ptr %35, align 8
  %36 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiS0_IiiEEES5_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %14) #5
  br label %37

37:                                               ; preds = %30, %3
  %38 = phi i1 [ true, %3 ], [ %36, %30 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br i1 %38, label %39, label %40

39:                                               ; preds = %37
  store i32 0, ptr %4, align 4
  br label %96

40:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 12, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %16, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %41 = call { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(8) %16)
  store { i64, i32 } %41, ptr %17, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 8 %17, i64 12, i1 false)
  %42 = call { ptr, i8 } @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE6insertEOS2_(ptr noundef nonnull align 8 dereferenceable(48) @adone, ptr noundef nonnull align 4 dereferenceable(12) %15)
  %43 = getelementptr inbounds { ptr, i8 }, ptr %18, i32 0, i32 0
  %44 = extractvalue { ptr, i8 } %42, 0
  store ptr %44, ptr %43, align 8
  %45 = getelementptr inbounds { ptr, i8 }, ptr %18, i32 0, i32 1
  %46 = extractvalue { ptr, i8 } %42, 1
  store i8 %46, ptr %45, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %15) #5
  %47 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @visg, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %48 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 0
  %49 = extractvalue { ptr, i8 } %47, 0
  store ptr %49, ptr %48, align 8
  %50 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 1
  %51 = extractvalue { ptr, i8 } %47, 1
  store i8 %51, ptr %50, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #5
  %52 = load i32, ptr %5, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @idval, i64 noundef %53) #5
  %55 = load i32, ptr %54, align 4, !tbaa !5
  store i32 %55, ptr %20, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  %56 = load i32, ptr %5, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [62500 x %"class.std::vector"], ptr @graph, i64 0, i64 %57
  store ptr %58, ptr %21, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #5
  %59 = load ptr, ptr %21, align 8, !tbaa !9
  %60 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #5
  %61 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %60, ptr %61, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #5
  %62 = load ptr, ptr %21, align 8, !tbaa !9
  %63 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %62) #5
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %63, ptr %64, align 8
  br label %65

65:                                               ; preds = %92, %40
  %66 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef nonnull align 8 dereferenceable(8) %23) #5
  br i1 %66, label %68, label %67

67:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  br label %94

68:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #5
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %22) #5
  %70 = load i32, ptr %69, align 4, !tbaa !5
  store i32 %70, ptr %24, align 4, !tbaa !5
  %71 = load i32, ptr %24, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @idnum, i64 noundef %72) #5
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = load i32, ptr %6, align 4, !tbaa !5
  %76 = icmp eq i32 %74, %75
  br i1 %76, label %84, label %77

77:                                               ; preds = %68
  %78 = load i32, ptr %24, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @idnum, i64 noundef %79) #5
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = load i32, ptr %7, align 4, !tbaa !5
  %83 = icmp eq i32 %81, %82
  br i1 %83, label %84, label %91

84:                                               ; preds = %77, %68
  %85 = load i32, ptr %24, align 4, !tbaa !5
  %86 = load i32, ptr %6, align 4, !tbaa !5
  %87 = load i32, ptr %7, align 4, !tbaa !5
  %88 = call noundef i32 @_Z3dfsiii(i32 noundef %85, i32 noundef %86, i32 noundef %87)
  %89 = load i32, ptr %20, align 4, !tbaa !5
  %90 = add nsw i32 %89, %88
  store i32 %90, ptr %20, align 4, !tbaa !5
  br label %91

91:                                               ; preds = %84, %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #5
  br label %92

92:                                               ; preds = %91
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %22) #5
  br label %65

94:                                               ; preds = %67
  %95 = load i32, ptr %20, align 4, !tbaa !5
  store i32 %95, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #5
  br label %96

96:                                               ; preds = %94, %39
  %97 = load i32, ptr %4, align 4
  ret i32 %97
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiS0_IiiEEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE4findERKS2_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE6insertEOS2_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) #1 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)) #1 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) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


; 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::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 }
%"class.std::set.0" = type { %"class.std::_Rb_tree.1" }
%"class.std::_Rb_tree.1" = type { %"struct.std::_Rb_tree<std::pair<int, std::pair<int, int>>, std::pair<int, std::pair<int, int>>, std::_Identity<std::pair<int, std::pair<int, int>>>, std::less<std::pair<int, std::pair<int, int>>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, std::pair<int, int>>, std::pair<int, std::pair<int, int>>, std::_Identity<std::pair<int, std::pair<int, int>>>, std::less<std::pair<int, std::pair<int, int>>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"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 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::_Rb_tree_const_iterator.9" = type { ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.10" }
%"struct.std::pair.10" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@visg = external dso_local global %"class.std::set", align 8
@adone = external dso_local global %"class.std::set.0", align 8
@graph = external dso_local global [62500 x %"class.std::vector"], align 16
@idnum = external dso_local global %"class.std::vector", align 8
@idval = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z3dfsiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca %"struct.std::_Rb_tree_const_iterator.9", align 8
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca %"struct.std::pair.10", align 4
  %12 = alloca %"struct.std::_Rb_tree_const_iterator.9", align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"struct.std::pair.10", align 4
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %17 = call ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) @visg, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store ptr %17, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %18 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @visg) #4
  store ptr %18, ptr %8, align 8
  %19 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  br i1 %19, label %.critedge, label %20

20:                                               ; preds = %3
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %11, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %21 = call { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(8) %11)
  %.fca.0.extract9 = extractvalue { i64, i32 } %21, 0
  %.fca.1.extract10 = extractvalue { i64, i32 } %21, 1
  store i64 %.fca.0.extract9, ptr %10, align 8
  %.sroa.212.0..sroa_idx = getelementptr inbounds i8, ptr %10, i64 8
  store i32 %.fca.1.extract10, ptr %.sroa.212.0..sroa_idx, align 8
  %22 = call ptr @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE4findERKS2_(ptr noundef nonnull align 8 dereferenceable(48) @adone, ptr noundef nonnull align 4 dereferenceable(12) %10)
  store ptr %22, ptr %9, align 8
  %23 = call ptr @_ZNKSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @adone) #4
  store ptr %23, ptr %12, align 8
  %24 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiS0_IiiEEES5_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br i1 %24, label %59, label %25

.critedge:                                        ; preds = %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br label %59

25:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #4
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %14, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %26 = call { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(8) %14)
  %.fca.0.extract = extractvalue { i64, i32 } %26, 0
  %.fca.1.extract = extractvalue { i64, i32 } %26, 1
  store i64 %.fca.0.extract, ptr %13, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %13, i64 8
  store i32 %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  %27 = call { ptr, i8 } @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE6insertEOS2_(ptr noundef nonnull align 8 dereferenceable(48) @adone, ptr noundef nonnull align 4 dereferenceable(12) %13)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %13) #4
  %28 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @visg, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @idval, i64 noundef %30) #4
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [62500 x %"class.std::vector"], ptr @graph, i64 0, i64 %34
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #4
  %36 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #4
  store ptr %36, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #4
  %37 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #4
  store ptr %37, ptr %16, align 8
  %38 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  br i1 %38, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %56, %25
  %.014.lcssa = phi i32 [ %32, %25 ], [ %.1, %56 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #4
  br label %59

.lr.ph:                                           ; preds = %25, %56
  %.01415 = phi i32 [ %.1, %56 ], [ %32, %25 ]
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @idnum, i64 noundef %41) #4
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = load i32, ptr %5, align 4, !tbaa !5
  %45 = icmp eq i32 %43, %44
  br i1 %45, label %.lr.ph._crit_edge, label %46

.lr.ph._crit_edge:                                ; preds = %.lr.ph
  %.pre17 = load i32, ptr %6, align 4, !tbaa !5
  br label %51

46:                                               ; preds = %.lr.ph
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @idnum, i64 noundef %41) #4
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = load i32, ptr %6, align 4, !tbaa !5
  %50 = icmp eq i32 %48, %49
  br i1 %50, label %._crit_edge16, label %56

._crit_edge16:                                    ; preds = %46
  %.pre = load i32, ptr %5, align 4, !tbaa !5
  br label %51

51:                                               ; preds = %.lr.ph._crit_edge, %._crit_edge16
  %52 = phi i32 [ %48, %._crit_edge16 ], [ %.pre17, %.lr.ph._crit_edge ]
  %53 = phi i32 [ %.pre, %._crit_edge16 ], [ %43, %.lr.ph._crit_edge ]
  %54 = call noundef i32 @_Z3dfsiii(i32 noundef %40, i32 noundef %53, i32 noundef %52)
  %55 = add nsw i32 %54, %.01415
  br label %56

56:                                               ; preds = %51, %46
  %.1 = phi i32 [ %55, %51 ], [ %.01415, %46 ]
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  %58 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  br i1 %58, label %.lr.ph, label %._crit_edge

59:                                               ; preds = %20, %.critedge, %._crit_edge
  %.0 = phi i32 [ %.014.lcssa, %._crit_edge ], [ 0, %.critedge ], [ 0, %20 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiS0_IiiEEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE4findERKS2_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiS0_IiiEESt4lessIS2_ESaIS2_EE6insertEOS2_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 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 #1 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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"}


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