; LLVM IR from MtSaka/library :: test/aoj/GRL/GRL_2_A.test (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"

%"struct.fastio::Scanner" = type <{ i32, [131073 x i8], [3 x i8], i32, i32, i8, [3 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, %"class.std::vector" }
%struct.Edge = type <{ i32, i32, i64, i32, [4 x i8] }>

@_ZN6fastio2scE = external dso_local global %"struct.fastio::Scanner", align 4

; 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 %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %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 ptr, align 8
  %12 = alloca %"struct.std::pair", align 8
  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 @_Z4scanIiJiEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaI4EdgeIxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorI4EdgeIxESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %25

15:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI4EdgeIxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store ptr %4, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %16 = load ptr, ptr %8, align 8, !tbaa !9
  %17 = call ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %19 = load ptr, ptr %8, align 8, !tbaa !9
  %20 = call ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #6
  %21 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %20, ptr %21, align 8
  br label %22

22:                                               ; preds = %43, %15
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4EdgeIxESt6vectorIS2_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 %23, label %29, label %24

24:                                               ; preds = %22
  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 %49

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %6, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %7, align 4
  call void @_ZNSt15__new_allocatorI4EdgeIxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %65

29:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %30 = call noundef nonnull align 8 dereferenceable(20) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  store ptr %30, ptr %11, align 8, !tbaa !9
  %31 = load ptr, ptr %11, align 8, !tbaa !9
  %32 = getelementptr inbounds %struct.Edge, ptr %31, i32 0, i32 0
  %33 = invoke noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIiEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089) @_ZN6fastio2scE, ptr noundef nonnull align 4 dereferenceable(4) %32)
          to label %34 unwind label %45

34:                                               ; preds = %29
  %35 = load ptr, ptr %11, align 8, !tbaa !9
  %36 = getelementptr inbounds %struct.Edge, ptr %35, i32 0, i32 1
  %37 = invoke noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIiEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089) %33, ptr noundef nonnull align 4 dereferenceable(4) %36)
          to label %38 unwind label %45

38:                                               ; preds = %34
  %39 = load ptr, ptr %11, align 8, !tbaa !9
  %40 = getelementptr inbounds %struct.Edge, ptr %39, i32 0, i32 2
  %41 = invoke noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIxEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089) %37, ptr noundef nonnull align 8 dereferenceable(8) %40)
          to label %42 unwind label %45

42:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %43

43:                                               ; preds = %42
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br label %22

45:                                               ; preds = %38, %34, %29
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %6, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  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 %64

49:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #6
  %50 = load i32, ptr %2, align 4, !tbaa !5
  invoke void @_Z7kruskalIxESt4pairIT_St6vectorI4EdgeIS1_ESaIS4_EEERS6_i(ptr dead_on_unwind writable sret(%"struct.std::pair") align 8 %12, ptr noundef nonnull align 8 dereferenceable(24) %4, i32 noundef %50)
          to label %51 unwind label %55

51:                                               ; preds = %49
  %52 = getelementptr inbounds %"struct.std::pair", ptr %12, i32 0, i32 0
  invoke void @_Z5printIxEvRKT_(ptr noundef nonnull align 8 dereferenceable(8) %52)
          to label %53 unwind label %59

53:                                               ; preds = %51
  call void @_ZNSt4pairIxSt6vectorI4EdgeIxESaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #6
  call void @_ZNSt6vectorI4EdgeIxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, 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
  %54 = load i32, ptr %1, align 4
  ret i32 %54

55:                                               ; preds = %49
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  br label %63

59:                                               ; preds = %51
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %6, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %7, align 4
  call void @_ZNSt4pairIxSt6vectorI4EdgeIxESaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  br label %63

63:                                               ; preds = %59, %55
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #6
  br label %64

64:                                               ; preds = %63, %45
  call void @_ZNSt6vectorI4EdgeIxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %65

65:                                               ; preds = %64, %25
  call void @llvm.lifetime.end.p0(i64 24, 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 %66

66:                                               ; preds = %65
  %67 = load ptr, ptr %6, align 8
  %68 = load i32, ptr %7, align 4
  %69 = insertvalue { ptr, i32 } poison, ptr %67, 0
  %70 = insertvalue { ptr, i32 } %69, i32 %68, 1
  resume { ptr, i32 } %70
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_Z4scanIiJiEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaI4EdgeIxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4EdgeIxESaIS1_EEC2EmRKS2_(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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIP4EdgeIxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIiEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIxEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_Z5printIxEvRKT_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7kruskalIxESt4pairIT_St6vectorI4EdgeIS1_ESaIS4_EEERS6_i(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxSt6vectorI4EdgeIxESaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4EdgeIxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI4EdgeIxEED2Ev(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 = { 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 #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 = { 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 #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}


; 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"

%"struct.fastio::Scanner" = type <{ i32, [131073 x i8], [3 x i8], i32, i32, i8, [3 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Edge<long long>, std::allocator<Edge<long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, %"class.std::vector" }

@_ZN6fastio2scE = external dso_local global %"struct.fastio::Scanner", align 4

; 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 %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @_Z4scanIiJiEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaI4EdgeIxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorI4EdgeIxESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %10 unwind label %15

10:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI4EdgeIxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %11 = call ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %11, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %12 = call ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %12, ptr %6, align 8
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4EdgeIxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %25, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #6
  %14 = load i32, ptr %1, align 4, !tbaa !5
  invoke void @_Z7kruskalIxESt4pairIT_St6vectorI4EdgeIS1_ESaIS4_EEERS6_i(ptr dead_on_unwind nonnull writable sret(%"struct.std::pair") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %3, i32 noundef %14)
          to label %30 unwind label %32

15:                                               ; preds = %0
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorI4EdgeIxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %38

.lr.ph:                                           ; preds = %10, %25
  %17 = call noundef nonnull align 8 dereferenceable(20) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %18 = invoke noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIiEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089) @_ZN6fastio2scE, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %19 unwind label %28

19:                                               ; preds = %.lr.ph
  %20 = getelementptr inbounds i8, ptr %17, i64 4
  %21 = invoke noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIiEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089) %18, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %22 unwind label %28

22:                                               ; preds = %19
  %23 = getelementptr inbounds i8, ptr %17, i64 8
  %24 = invoke noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIxEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089) %21, ptr noundef nonnull align 8 dereferenceable(8) %23)
          to label %25 unwind label %28

25:                                               ; preds = %22
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %27 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4EdgeIxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  br i1 %27, label %.lr.ph, label %._crit_edge

28:                                               ; preds = %22, %19, %.lr.ph
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %37

30:                                               ; preds = %._crit_edge
  invoke void @_Z5printIxEvRKT_(ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %31 unwind label %34

31:                                               ; preds = %30
  call void @_ZNSt4pairIxSt6vectorI4EdgeIxESaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  call void @_ZNSt6vectorI4EdgeIxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

32:                                               ; preds = %._crit_edge
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %36

34:                                               ; preds = %30
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairIxSt6vectorI4EdgeIxESaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  br label %36

36:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  br label %37

37:                                               ; preds = %36, %28
  %.pn11 = phi { ptr, i32 } [ %29, %28 ], [ %.pn, %36 ]
  call void @_ZNSt6vectorI4EdgeIxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %38

38:                                               ; preds = %37, %15
  %.pn11.pn = phi { ptr, i32 } [ %.pn11, %37 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn11.pn
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_Z4scanIiJiEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaI4EdgeIxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4EdgeIxESaIS1_EEC2EmRKS2_(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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4EdgeIxESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIP4EdgeIxESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIiEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(131089) ptr @_ZN6fastio7ScannerILm131072ELi16EErsIxEERS1_RT_(ptr noundef nonnull align 4 dereferenceable(131089), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4EdgeIxESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_Z5printIxEvRKT_(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7kruskalIxESt4pairIT_St6vectorI4EdgeIS1_ESaIS4_EEERS6_i(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxSt6vectorI4EdgeIxESaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4EdgeIxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI4EdgeIxEED2Ev(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 = { 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 #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 = { 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 #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"}


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