; LLVM IR from tangjz/acm-icpc :: codeforces/complete/193A.ll (Z6tarjanii)

; 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::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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@cnt = external dso_local global i32, align 4
@pre = external dso_local global [2501 x i32], align 16
@e = external dso_local global [2501 x %"class.std::vector"], align 16
@cut = external dso_local global [2501 x i8], align 16

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z6tarjanii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, 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 4, ptr %5) #4
  %13 = load i32, ptr @cnt, align 4, !tbaa !5
  %14 = add nsw i32 %13, 1
  store i32 %14, ptr @cnt, align 4, !tbaa !5
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %16
  store i32 %14, ptr %17, align 4, !tbaa !5
  store i32 %14, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [2501 x %"class.std::vector"], ptr @e, i64 0, i64 %19
  store ptr %20, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %21 = load ptr, ptr %7, align 8, !tbaa !9
  %22 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #4
  %23 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %22, ptr %23, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %24 = load ptr, ptr %7, align 8, !tbaa !9
  %25 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #4
  %26 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %25, ptr %26, align 8
  br label %27

27:                                               ; preds = %87, %2
  %28 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %28, label %30, label %29

29:                                               ; preds = %27
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %89

30:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  store ptr %31, ptr %11, align 8, !tbaa !9
  %32 = load ptr, ptr %11, align 8, !tbaa !9
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = load i32, ptr %4, align 4, !tbaa !5
  %35 = icmp eq i32 %33, %34
  br i1 %35, label %36, label %37

36:                                               ; preds = %30
  store i32 3, ptr %10, align 4
  br label %84

37:                                               ; preds = %30
  %38 = load ptr, ptr %11, align 8, !tbaa !9
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = icmp ne i32 %42, 0
  br i1 %43, label %68, label %44

44:                                               ; preds = %37
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %47 = load ptr, ptr %11, align 8, !tbaa !9
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = call noundef i32 @_Z6tarjanii(i32 noundef %48, i32 noundef %49)
  store i32 %50, ptr %12, align 4, !tbaa !5
  %51 = load i32, ptr %5, align 4, !tbaa !5
  %52 = load i32, ptr %12, align 4, !tbaa !5
  %53 = icmp sgt i32 %51, %52
  br i1 %53, label %54, label %56

54:                                               ; preds = %44
  %55 = load i32, ptr %12, align 4, !tbaa !5
  store i32 %55, ptr %5, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %54, %44
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = load i32, ptr %12, align 4, !tbaa !5
  %62 = icmp sle i32 %60, %61
  br i1 %62, label %63, label %67

63:                                               ; preds = %56
  %64 = load i32, ptr %3, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [2501 x i8], ptr @cut, i64 0, i64 %65
  store i8 1, ptr %66, align 1, !tbaa !11
  br label %67

67:                                               ; preds = %63, %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %83

68:                                               ; preds = %37
  %69 = load i32, ptr %5, align 4, !tbaa !5
  %70 = load ptr, ptr %11, align 8, !tbaa !9
  %71 = load i32, ptr %70, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = icmp sgt i32 %69, %74
  br i1 %75, label %76, label %82

76:                                               ; preds = %68
  %77 = load ptr, ptr %11, align 8, !tbaa !9
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %79
  %81 = load i32, ptr %80, align 4, !tbaa !5
  store i32 %81, ptr %5, align 4, !tbaa !5
  br label %82

82:                                               ; preds = %76, %68
  br label %83

83:                                               ; preds = %82, %67
  store i32 0, ptr %10, align 4
  br label %84

84:                                               ; preds = %83, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  %85 = load i32, ptr %10, align 4
  switch i32 %85, label %101 [
    i32 0, label %86
    i32 3, label %87
  ]

86:                                               ; preds = %84
  br label %87

87:                                               ; preds = %86, %84
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br label %27

89:                                               ; preds = %29
  %90 = load i32, ptr %4, align 4, !tbaa !5
  %91 = icmp slt i32 %90, 0
  br i1 %91, label %92, label %99

92:                                               ; preds = %89
  %93 = load i32, ptr %6, align 4, !tbaa !5
  %94 = icmp eq i32 %93, 1
  br i1 %94, label %95, label %99

95:                                               ; preds = %92
  %96 = load i32, ptr %3, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds [2501 x i8], ptr @cut, i64 0, i64 %97
  store i8 0, ptr %98, align 1, !tbaa !11
  br label %99

99:                                               ; preds = %95, %92, %89
  %100 = load i32, ptr %5, align 4, !tbaa !5
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret i32 %100

101:                                              ; preds = %84
  unreachable
}

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

; 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)) #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)) #2 align 2

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

; Function Attrs: mustprogress 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !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::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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@cnt = external dso_local local_unnamed_addr global i32, align 4
@pre = external dso_local local_unnamed_addr global [2501 x i32], align 16
@e = external dso_local global [2501 x %"class.std::vector"], align 16
@cut = external dso_local local_unnamed_addr global [2501 x i8], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z6tarjanii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = load i32, ptr @cnt, align 4, !tbaa !5
  %6 = add nsw i32 %5, 1
  store i32 %6, ptr @cnt, align 4, !tbaa !5
  %7 = sext i32 %0 to i64
  %8 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %7
  store i32 %6, ptr %8, align 4, !tbaa !5
  %9 = getelementptr inbounds [2501 x %"class.std::vector"], ptr @e, i64 0, i64 %7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %10 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  store ptr %10, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %11 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  store ptr %11, ptr %4, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %12, label %.lr.ph, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %35

.lr.ph:                                           ; preds = %2
  %13 = getelementptr inbounds [2501 x i8], ptr @cut, i64 0, i64 %7
  br label %16

._crit_edge:                                      ; preds = %30
  %14 = icmp eq i32 %.225, 1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %15 = icmp slt i32 %1, 0
  %or.cond = select i1 %15, i1 %14, i1 false
  br i1 %or.cond, label %33, label %35

16:                                               ; preds = %.lr.ph, %30
  %.032 = phi i32 [ %6, %.lr.ph ], [ %.3, %30 ]
  %.02331 = phi i32 [ 0, %.lr.ph ], [ %.225, %30 ]
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = icmp eq i32 %18, %1
  br i1 %19, label %30, label %20

20:                                               ; preds = %16
  %21 = sext i32 %18 to i64
  %22 = getelementptr inbounds [2501 x i32], ptr @pre, i64 0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %.not = icmp eq i32 %23, 0
  br i1 %.not, label %24, label %29

24:                                               ; preds = %20
  %25 = add nsw i32 %.02331, 1
  %26 = call noundef i32 @_Z6tarjanii(i32 noundef %18, i32 noundef %0)
  %spec.select = call i32 @llvm.smin.i32(i32 %.032, i32 %26)
  %27 = load i32, ptr %8, align 4, !tbaa !5
  %.not29 = icmp sgt i32 %27, %26
  br i1 %.not29, label %30, label %28

28:                                               ; preds = %24
  store i8 1, ptr %13, align 1, !tbaa !9
  br label %30

29:                                               ; preds = %20
  %spec.select30 = call i32 @llvm.smin.i32(i32 %.032, i32 %23)
  br label %30

30:                                               ; preds = %29, %28, %24, %16
  %.225 = phi i32 [ %.02331, %16 ], [ %25, %28 ], [ %25, %24 ], [ %.02331, %29 ]
  %.3 = phi i32 [ %.032, %16 ], [ %spec.select, %28 ], [ %spec.select, %24 ], [ %spec.select30, %29 ]
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %32 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %32, label %16, label %._crit_edge

33:                                               ; preds = %._crit_edge
  %34 = getelementptr inbounds [2501 x i8], ptr @cut, i64 0, i64 %7
  store i8 0, ptr %34, align 1, !tbaa !9
  br label %35

35:                                               ; preds = %._crit_edge.thread, %33, %._crit_edge
  %.0.lcssa37 = phi i32 [ %6, %._crit_edge.thread ], [ %.3, %33 ], [ %.3, %._crit_edge ]
  ret i32 %.0.lcssa37
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 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 #2

; 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 #0 align 2

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

; Function Attrs: mustprogress 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 #0 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #3

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}


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