; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2012-13/Open 2013/13 Open G2.ll (Z4dfs1ii)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@ad = external dso_local global [100001 x i32], align 16
@loc = external dso_local global [100001 x i32], align 16
@dist = external dso_local global [100001 x %"class.std::map"], align 16
@adj = external dso_local global [100001 x %"class.std::vector"], align 16

; 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
declare dso_local void @_Z4combii(i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z4dfs1ii(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"struct.std::pair", align 4
  %12 = alloca %"struct.std::pair", align 4
  %13 = alloca i64, align 8
  %14 = alloca ptr, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"struct.std::pair", align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 1, ptr %6, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100001 x %"class.std::map"], ptr @dist, i64 0, i64 %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) %20, ptr noundef nonnull align 4 dereferenceable(4) %7)
  store i32 1, ptr %21, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %23
  store ptr %24, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %25 = load ptr, ptr %8, align 8, !tbaa !9
  %26 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #6
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %28 = load ptr, ptr %8, align 8, !tbaa !9
  %29 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #6
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  br label %31

31:                                               ; preds = %67, %2
  %32 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br i1 %32, label %34, label %33

33:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %69

34:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %35 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %35, i64 8, i1 false)
  %36 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %37 = load i32, ptr %36, align 4, !tbaa !11
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = icmp ne i32 %37, %38
  br i1 %39, label %40, label %66

40:                                               ; preds = %34
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %43 = load i32, ptr %42, align 4, !tbaa !11
  call void @_Z4dfs1ii(i32 noundef %41, i32 noundef %43)
  %44 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %45 = load i32, ptr %44, align 4, !tbaa !13
  %46 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %47 = load i32, ptr %46, align 4, !tbaa !11
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [100001 x i32], ptr @loc, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [100001 x i32], ptr @ad, i64 0, i64 %51
  %53 = load i32, ptr %52, align 4, !tbaa !5
  %54 = add nsw i32 %53, %45
  store i32 %54, ptr %52, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %55 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %56 = load i32, ptr %55, align 4, !tbaa !11
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [100001 x i32], ptr @loc, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [100001 x %"class.std::map"], ptr @dist, i64 0, i64 %60
  %62 = call noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %61) #6
  store i64 %62, ptr %13, align 8, !tbaa !14
  %63 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  call void @_ZNSt4pairIiiEC2ImRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %63)
  %64 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZSt3maxISt4pairIiiEERKT_S4_S4_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %12)
  %65 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %64)
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %66

66:                                               ; preds = %40, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %67

67:                                               ; preds = %66
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br label %31

69:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %70 = load i32, ptr %4, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %71
  store ptr %72, ptr %14, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %73 = load ptr, ptr %14, align 8, !tbaa !9
  %74 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %73) #6
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %74, ptr %75, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %76 = load ptr, ptr %14, align 8, !tbaa !9
  %77 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %76) #6
  %78 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %77, ptr %78, align 8
  br label %79

79:                                               ; preds = %100, %69
  %80 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  br i1 %80, label %82, label %81

81:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %102

82:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %83 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 4 %83, i64 8, i1 false)
  %84 = getelementptr inbounds %"struct.std::pair", ptr %17, i32 0, i32 0
  %85 = load i32, ptr %84, align 4, !tbaa !11
  %86 = load i32, ptr %3, align 4, !tbaa !5
  %87 = icmp ne i32 %85, %86
  br i1 %87, label %88, label %99

88:                                               ; preds = %82
  %89 = getelementptr inbounds %"struct.std::pair", ptr %17, i32 0, i32 0
  %90 = load i32, ptr %89, align 4, !tbaa !11
  %91 = getelementptr inbounds %"struct.std::pair", ptr %5, i32 0, i32 1
  %92 = load i32, ptr %91, align 4, !tbaa !13
  %93 = icmp ne i32 %90, %92
  br i1 %93, label %94, label %99

94:                                               ; preds = %88
  %95 = getelementptr inbounds %"struct.std::pair", ptr %17, i32 0, i32 0
  %96 = load i32, ptr %95, align 4, !tbaa !11
  %97 = getelementptr inbounds %"struct.std::pair", ptr %5, i32 0, i32 1
  %98 = load i32, ptr %97, align 4, !tbaa !13
  call void @_Z4combii(i32 noundef %96, i32 noundef %98)
  br label %99

99:                                               ; preds = %94, %88, %82
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %100

100:                                              ; preds = %99
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  br label %79

102:                                              ; preds = %81
  %103 = load i32, ptr %4, align 4, !tbaa !5
  %104 = getelementptr inbounds %"struct.std::pair", ptr %5, i32 0, i32 1
  %105 = load i32, ptr %104, align 4, !tbaa !13
  %106 = icmp ne i32 %103, %105
  br i1 %106, label %107, label %111

107:                                              ; preds = %102
  %108 = load i32, ptr %4, align 4, !tbaa !5
  %109 = getelementptr inbounds %"struct.std::pair", ptr %5, i32 0, i32 1
  %110 = load i32, ptr %109, align 4, !tbaa !13
  call void @_Z4combii(i32 noundef %108, i32 noundef %110)
  br label %111

111:                                              ; preds = %107, %102
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_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 @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #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) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZSt3maxISt4pairIiiEERKT_S4_S4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2ImRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{!12, !6, i64 4}
!14 = !{!15, !15, i64 0}
!15 = !{!"long", !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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@ad = external dso_local local_unnamed_addr global [100001 x i32], align 16
@loc = external dso_local local_unnamed_addr global [100001 x i32], align 16
@dist = external dso_local global [100001 x %"class.std::map"], align 16
@adj = external dso_local global [100001 x %"class.std::vector"], align 16

; 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
declare dso_local void @_Z4combii(i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z4dfs1ii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::pair", align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca i64, align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  store i32 1, ptr %5, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [100001 x %"class.std::map"], ptr @dist, i64 0, i64 %15
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) %16, ptr noundef nonnull align 4 dereferenceable(4) %6)
  store i32 1, ptr %17, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %19
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %21 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #5
  store ptr %21, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %22 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #5
  store ptr %22, ptr %8, align 8
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %23, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2
  %24 = getelementptr inbounds i8, ptr %9, i64 4
  br label %32

._crit_edge:                                      ; preds = %51, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @adj, i64 0, i64 %26
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #5
  %28 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #5
  store ptr %28, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #5
  %29 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #5
  store ptr %29, ptr %13, align 8
  %30 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  br i1 %30, label %.lr.ph14, label %._crit_edge15

.lr.ph14:                                         ; preds = %._crit_edge
  %31 = getelementptr inbounds i8, ptr %4, i64 4
  br label %57

32:                                               ; preds = %.lr.ph, %51
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %33 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %34 = load i64, ptr %33, align 4
  store i64 %34, ptr %9, align 8
  %35 = trunc i64 %34 to i32
  %.not12 = icmp eq i32 %35, %0
  br i1 %.not12, label %51, label %36

36:                                               ; preds = %32
  %37 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z4dfs1ii(i32 noundef %37, i32 noundef %35)
  %38 = load i32, ptr %24, align 4, !tbaa !9
  %39 = load i32, ptr %9, align 8, !tbaa !11
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [100001 x i32], ptr @loc, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [100001 x i32], ptr @ad, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = add nsw i32 %45, %38
  store i32 %46, ptr %44, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #5
  %47 = getelementptr inbounds [100001 x %"class.std::map"], ptr @dist, i64 0, i64 %43
  %48 = call noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %47) #5
  store i64 %48, ptr %11, align 8, !tbaa !12
  call void @_ZNSt4pairIiiEC2ImRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %49 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZSt3maxISt4pairIiiEERKT_S4_S4_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %10)
  %50 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %49)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  br label %51

51:                                               ; preds = %36, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %53 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %53, label %32, label %._crit_edge

._crit_edge15:                                    ; preds = %62, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #5
  %54 = load i32, ptr %3, align 4, !tbaa !5
  %55 = getelementptr inbounds i8, ptr %4, i64 4
  %56 = load i32, ptr %55, align 4, !tbaa !9
  %.not = icmp eq i32 %54, %56
  br i1 %.not, label %66, label %65

57:                                               ; preds = %.lr.ph14, %62
  %58 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  %.sroa.0.0.copyload = load i32, ptr %58, align 4
  %.not10 = icmp eq i32 %.sroa.0.0.copyload, %0
  br i1 %.not10, label %62, label %59

59:                                               ; preds = %57
  %60 = load i32, ptr %31, align 4, !tbaa !9
  %.not11 = icmp eq i32 %.sroa.0.0.copyload, %60
  br i1 %.not11, label %62, label %61

61:                                               ; preds = %59
  call void @_Z4combii(i32 noundef %.sroa.0.0.copyload, i32 noundef %60)
  br label %62

62:                                               ; preds = %61, %59, %57
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  %64 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  br i1 %64, label %57, label %._crit_edge15

65:                                               ; preds = %._crit_edge15
  call void @_Z4combii(i32 noundef %54, i32 noundef %56)
  br label %66

66:                                               ; preds = %65, %._crit_edge15
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_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 @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(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_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZSt3maxISt4pairIiiEERKT_S4_S4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2ImRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 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_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #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, !6, i64 4}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !7, i64 0}


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