; LLVM IR from kazunetakahashi/atcoder :: 201610_12/1112_AGC007 (A)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@_Z1AB5cxx11 = external dso_local global [8 x %"class.std::__cxx11::basic_string"], align 16
@F = external dso_local global [8 x [8 x i8]], align 16
@S = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z3dfsSt6vectorIbSaIbEE(ptr noundef) #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @H)
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) @W)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %22, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = load i32, ptr @H, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %25

17:                                               ; preds = %12
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %19
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %20)
  br label %22

22:                                               ; preds = %17
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %2, align 4, !tbaa !5
  br label %12, !llvm.loop !9

25:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %58, %25
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = load i32, ptr @H, align 4, !tbaa !5
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %61

31:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %54, %31
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %34 = load i32, ptr @W, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %57

37:                                               ; preds = %32
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %39
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %40, i64 noundef %42)
  %44 = load i8, ptr %43, align 1, !tbaa !11
  %45 = sext i8 %44 to i32
  %46 = icmp eq i32 %45, 35
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [8 x [8 x i8]], ptr @F, i64 0, i64 %48
  %50 = load i32, ptr %5, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [8 x i8], ptr %49, i64 0, i64 %51
  %53 = zext i1 %46 to i8
  store i8 %53, ptr %52, align 1, !tbaa !12
  br label %54

54:                                               ; preds = %37
  %55 = load i32, ptr %5, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %5, align 4, !tbaa !5
  br label %32, !llvm.loop !14

57:                                               ; preds = %36
  br label %58

58:                                               ; preds = %57
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %3, align 4, !tbaa !5
  br label %26, !llvm.loop !15

61:                                               ; preds = %30
  %62 = load i32, ptr @H, align 4, !tbaa !5
  %63 = load i32, ptr @W, align 4, !tbaa !5
  %64 = add nsw i32 %62, %63
  %65 = sub nsw i32 %64, 2
  store i32 %65, ptr @S, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %6) #6
  call void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  invoke void @_ZNSt6vectorIbSaIbEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef nonnull align 8 dereferenceable(40) %6)
          to label %66 unwind label %76

66:                                               ; preds = %61
  %67 = invoke noundef zeroext i1 @_Z3dfsSt6vectorIbSaIbEE(ptr noundef %7)
          to label %68 unwind label %80

68:                                               ; preds = %66
  %69 = zext i1 %67 to i64
  %70 = select i1 %67, ptr @.str, ptr @.str.2
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %70)
          to label %72 unwind label %80

72:                                               ; preds = %68
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %71, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %74 unwind label %80

74:                                               ; preds = %72
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %7) #6
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %6) #6
  %75 = load i32, ptr %1, align 4
  ret i32 %75

76:                                               ; preds = %61
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %8, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %9, align 4
  br label %84

80:                                               ; preds = %72, %68, %66
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %8, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %9, align 4
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %7) #6
  br label %84

84:                                               ; preds = %80, %76
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %6) #6
  br label %85

85:                                               ; preds = %84
  %86 = load ptr, ptr %8, align 8
  %87 = load i32, ptr %9, align 4
  %88 = insertvalue { ptr, i32 } poison, ptr %86, 0
  %89 = insertvalue { ptr, i32 } %88, i32 %87, 1
  resume { ptr, i32 } %89
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

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 = { 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 #4 = { "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 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@_Z1AB5cxx11 = external dso_local global [8 x %"class.std::__cxx11::basic_string"], align 16
@F = external dso_local local_unnamed_addr global [8 x [8 x i8]], align 16
@S = external dso_local local_unnamed_addr global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z3dfsSt6vectorIbSaIbEE(ptr noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @H)
  %4 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) @W)
  %5 = load i32, ptr @H, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %.preheader19.thread

.preheader19.thread:                              ; preds = %0
  %.pre3435 = load i32, ptr @W, align 4, !tbaa !5
  br label %._crit_edge24

.preheader19:                                     ; preds = %.lr.ph
  %7 = icmp sgt i32 %11, 0
  %.pre34 = load i32, ptr @W, align 4, !tbaa !5
  %8 = icmp sgt i32 %.pre34, 0
  %or.cond = select i1 %7, i1 %8, i1 false
  br i1 %or.cond, label %.preheader, label %._crit_edge24

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %9 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %indvars.iv
  %10 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %9)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = load i32, ptr @H, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = icmp slt i64 %indvars.iv.next, %12
  br i1 %13, label %.lr.ph, label %.preheader19, !llvm.loop !9

.preheader:                                       ; preds = %.preheader19, %._crit_edge
  %14 = phi i32 [ %21, %._crit_edge ], [ %11, %.preheader19 ]
  %15 = phi i32 [ %22, %._crit_edge ], [ %.pre34, %.preheader19 ]
  %indvars.iv31 = phi i64 [ %indvars.iv.next32, %._crit_edge ], [ 0, %.preheader19 ]
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph22, label %._crit_edge

.lr.ph22:                                         ; preds = %.preheader
  %17 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %indvars.iv31
  br label %25

._crit_edge24:                                    ; preds = %._crit_edge, %.preheader19.thread, %.preheader19
  %18 = phi i32 [ %.pre34, %.preheader19 ], [ %.pre3435, %.preheader19.thread ], [ %22, %._crit_edge ]
  %.lcssa = phi i32 [ %11, %.preheader19 ], [ %5, %.preheader19.thread ], [ %21, %._crit_edge ]
  %19 = add i32 %.lcssa, -2
  %20 = add i32 %19, %18
  store i32 %20, ptr @S, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %1) #6
  call void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  invoke void @_ZNSt6vectorIbSaIbEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef nonnull align 8 dereferenceable(40) %1)
          to label %34 unwind label %42

._crit_edge.loopexit:                             ; preds = %25
  %.pre = load i32, ptr @H, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %21 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %14, %.preheader ]
  %22 = phi i32 [ %31, %._crit_edge.loopexit ], [ %15, %.preheader ]
  %indvars.iv.next32 = add nuw nsw i64 %indvars.iv31, 1
  %23 = sext i32 %21 to i64
  %24 = icmp slt i64 %indvars.iv.next32, %23
  br i1 %24, label %.preheader, label %._crit_edge24, !llvm.loop !11

25:                                               ; preds = %.lr.ph22, %25
  %indvars.iv28 = phi i64 [ 0, %.lr.ph22 ], [ %indvars.iv.next29, %25 ]
  %26 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %17, i64 noundef %indvars.iv28)
  %27 = load i8, ptr %26, align 1, !tbaa !13
  %28 = icmp eq i8 %27, 35
  %29 = getelementptr inbounds [8 x [8 x i8]], ptr @F, i64 0, i64 %indvars.iv31, i64 %indvars.iv28
  %30 = zext i1 %28 to i8
  store i8 %30, ptr %29, align 1, !tbaa !14
  %indvars.iv.next29 = add nuw nsw i64 %indvars.iv28, 1
  %31 = load i32, ptr @W, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = icmp slt i64 %indvars.iv.next29, %32
  br i1 %33, label %25, label %._crit_edge.loopexit, !llvm.loop !16

34:                                               ; preds = %._crit_edge24
  %35 = invoke noundef zeroext i1 @_Z3dfsSt6vectorIbSaIbEE(ptr noundef nonnull %2)
          to label %36 unwind label %44

36:                                               ; preds = %34
  %37 = select i1 %35, ptr @.str, ptr @.str.2
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %37)
          to label %39 unwind label %44

39:                                               ; preds = %36
  %40 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %41 unwind label %44

41:                                               ; preds = %39
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #6
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #6
  ret i32 0

42:                                               ; preds = %._crit_edge24
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %46

44:                                               ; preds = %39, %36, %34
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #6
  br label %46

46:                                               ; preds = %44, %42
  %.pn = phi { ptr, i32 } [ %45, %44 ], [ %43, %42 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

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 = { mustprogress 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 = { 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 #4 = { "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 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10, !12}
!12 = !{!"llvm.loop.unswitch.partial.disable"}
!13 = !{!7, !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = distinct !{!16, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass