; LLVM IR from kazunetakahashi/atcoder :: 2017/0129_NJPC2017/E2.ll (Z15make_ans_forbidi)

; 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<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.3" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Tuple_impl.1", %"struct.std::_Head_base.2" }
%"struct.std::_Tuple_impl.1" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i8 }
%"struct.std::_Head_base.2" = type { i32 }
%"struct.std::_Head_base.3" = type { i32 }

@children = external dso_local global [100010 x %"class.std::vector"], align 16
@ans_forbid = external dso_local global [100010 x i32], 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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12)) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZSt3getILm2EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12)) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z15make_ans_forbidi(i32 noundef %0) #4 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.std::tuple", align 4
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @children, i64 0, i64 %10
  store ptr %11, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %12 = load ptr, ptr %3, align 8, !tbaa !9
  %13 = call ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  %14 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %13, ptr %14, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %15 = load ptr, ptr %3, align 8, !tbaa !9
  %16 = call ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  %17 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  br label %18

18:                                               ; preds = %49, %1
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %19, label %21, label %20

20:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %51

21:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 12, ptr %6) #5
  %22 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %22, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12) %6) #5
  %24 = load i32, ptr %23, align 4, !tbaa !5
  store i32 %24, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZSt3getILm2EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12) %6) #5
  %26 = load i8, ptr %25, align 1, !tbaa !11, !range !13, !noundef !14
  %27 = trunc i8 %26 to i1
  %28 = zext i1 %27 to i8
  store i8 %28, ptr %8, align 1, !tbaa !11
  %29 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %30 = trunc i8 %29 to i1
  br i1 %30, label %31, label %37

31:                                               ; preds = %21
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [100010 x i32], ptr @ans_forbid, i64 0, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = sub nsw i32 %35, 1
  br label %43

37:                                               ; preds = %21
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [100010 x i32], ptr @ans_forbid, i64 0, i64 %39
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  br label %43

43:                                               ; preds = %37, %31
  %44 = phi i32 [ %36, %31 ], [ %42, %37 ]
  %45 = load i32, ptr %7, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [100010 x i32], ptr @ans_forbid, i64 0, i64 %46
  store i32 %44, ptr %47, align 4, !tbaa !5
  %48 = load i32, ptr %7, align 4, !tbaa !5
  call void @_Z15make_ans_forbidi(i32 noundef %48)
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %6) #5
  br label %49

49:                                               ; preds = %43
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br label %18

51:                                               ; preds = %20
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 nounwind willreturn memory(argmem: readwrite) }
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 = { 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}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int, bool>, std::allocator<std::tuple<int, int, bool>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.3" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Tuple_impl.1", %"struct.std::_Head_base.2" }
%"struct.std::_Tuple_impl.1" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i8 }
%"struct.std::_Head_base.2" = type { i32 }
%"struct.std::_Head_base.3" = type { i32 }

@children = external dso_local global [100010 x %"class.std::vector"], align 16
@ans_forbid = external dso_local local_unnamed_addr global [100010 x i32], 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1

; 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZSt3getILm2EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z15make_ans_forbidi(i32 noundef %0) local_unnamed_addr #1 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.std::tuple", align 4
  %5 = sext i32 %0 to i64
  %6 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @children, i64 0, i64 %5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %7 = tail call ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %7, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %8 = tail call ptr @_ZNSt6vectorISt5tupleIJiibEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %8, ptr %3, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %10 = getelementptr inbounds [100010 x i32], ptr @ans_forbid, i64 0, i64 %5
  br label %11

._crit_edge:                                      ; preds = %11, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret void

11:                                               ; preds = %.lr.ph, %11
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %4) #4
  %12 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(12) %12, i64 12, i1 false)
  %13 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12) %4) #4
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZSt3getILm2EJiibEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(12) %4) #4
  %16 = load i8, ptr %15, align 1, !tbaa !9, !range !11, !noundef !12
  %17 = trunc nuw i8 %16 to i1
  %18 = load i32, ptr %10, align 4, !tbaa !5
  %. = select i1 %17, i32 -1, i32 1
  %19 = add nsw i32 %18, %.
  %20 = sext i32 %14 to i64
  %21 = getelementptr inbounds [100010 x i32], ptr @ans_forbid, i64 0, i64 %20
  store i32 %19, ptr %21, align 4, !tbaa !5
  call void @_Z15make_ans_forbidi(i32 noundef %14)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #4
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5tupleIJiibEESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %23, label %11, label %._crit_edge
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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}
!11 = !{i8 0, i8 2}
!12 = !{}


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