; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/0904_AGC004 (C3)

; 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" }

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@_Z1aB5cxx11 = external dso_local global [510 x %"class.std::__cxx11::basic_string"], align 16
@_Z1AB5cxx11 = external dso_local global [510 x %"class.std::__cxx11::basic_string"], align 16
@_Z1BB5cxx11 = external dso_local global [510 x %"class.std::__cxx11::basic_string"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %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 i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %9 = 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)
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %9, 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 %11

11:                                               ; preds = %35, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr @H, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %38

16:                                               ; preds = %11
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1aB5cxx11, i64 0, i64 %18
  %20 = 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) %19)
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1aB5cxx11, i64 0, i64 %22
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %25
  %27 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %26, ptr noundef nonnull align 8 dereferenceable(32) %23)
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1aB5cxx11, i64 0, i64 %29
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %32
  %34 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %33, ptr noundef nonnull align 8 dereferenceable(32) %30)
  br label %35

35:                                               ; preds = %16
  %36 = load i32, ptr %2, align 4, !tbaa !5
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %2, align 4, !tbaa !5
  br label %11, !llvm.loop !9

38:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %74, %38
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = load i32, ptr @H, align 4, !tbaa !5
  %42 = icmp slt i32 %40, %41
  br i1 %42, label %44, label %43

43:                                               ; preds = %39
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %77

44:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %70, %44
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = load i32, ptr @W, align 4, !tbaa !5
  %48 = sub nsw i32 %47, 1
  %49 = icmp slt i32 %46, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %45
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %73

51:                                               ; preds = %45
  %52 = load i32, ptr %3, align 4, !tbaa !5
  %53 = srem i32 %52, 2
  %54 = icmp eq i32 %53, 0
  br i1 %54, label %55, label %62

55:                                               ; preds = %51
  %56 = load i32, ptr %3, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %57
  %59 = load i32, ptr %5, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %58, i64 noundef %60)
  store i8 35, ptr %61, align 1, !tbaa !11
  br label %69

62:                                               ; preds = %51
  %63 = load i32, ptr %3, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %64
  %66 = load i32, ptr %5, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %65, i64 noundef %67)
  store i8 35, ptr %68, align 1, !tbaa !11
  br label %69

69:                                               ; preds = %62, %55
  br label %70

70:                                               ; preds = %69
  %71 = load i32, ptr %5, align 4, !tbaa !5
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %5, align 4, !tbaa !5
  br label %45, !llvm.loop !12

73:                                               ; preds = %50
  br label %74

74:                                               ; preds = %73
  %75 = load i32, ptr %3, align 4, !tbaa !5
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %3, align 4, !tbaa !5
  br label %39, !llvm.loop !13

77:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %78

78:                                               ; preds = %95, %77
  %79 = load i32, ptr %6, align 4, !tbaa !5
  %80 = load i32, ptr @H, align 4, !tbaa !5
  %81 = icmp slt i32 %79, %80
  br i1 %81, label %83, label %82

82:                                               ; preds = %78
  store i32 11, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %98

83:                                               ; preds = %78
  %84 = load i32, ptr %6, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %85
  %87 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %86, i64 noundef 0)
  store i8 35, ptr %87, align 1, !tbaa !11
  %88 = load i32, ptr %6, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %89
  %91 = load i32, ptr @W, align 4, !tbaa !5
  %92 = sub nsw i32 %91, 1
  %93 = sext i32 %92 to i64
  %94 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %90, i64 noundef %93)
  store i8 35, ptr %94, align 1, !tbaa !11
  br label %95

95:                                               ; preds = %83
  %96 = load i32, ptr %6, align 4, !tbaa !5
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %6, align 4, !tbaa !5
  br label %78, !llvm.loop !14

98:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %99

99:                                               ; preds = %110, %98
  %100 = load i32, ptr %7, align 4, !tbaa !5
  %101 = load i32, ptr @H, align 4, !tbaa !5
  %102 = icmp slt i32 %100, %101
  br i1 %102, label %104, label %103

103:                                              ; preds = %99
  store i32 14, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %113

104:                                              ; preds = %99
  %105 = load i32, ptr %7, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  %107 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %106
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %107)
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %108, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %110

110:                                              ; preds = %104
  %111 = load i32, ptr %7, align 4, !tbaa !5
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %7, align 4, !tbaa !5
  br label %99, !llvm.loop !15

113:                                              ; preds = %103
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %114

114:                                              ; preds = %125, %113
  %115 = load i32, ptr %8, align 4, !tbaa !5
  %116 = load i32, ptr @H, align 4, !tbaa !5
  %117 = icmp slt i32 %115, %116
  br i1 %117, label %119, label %118

118:                                              ; preds = %114
  store i32 17, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %128

119:                                              ; preds = %114
  %120 = load i32, ptr %8, align 4, !tbaa !5
  %121 = sext i32 %120 to i64
  %122 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %121
  %123 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %122)
  %124 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %123, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %125

125:                                              ; preds = %119
  %126 = load i32, ptr %8, align 4, !tbaa !5
  %127 = add nsw i32 %126, 1
  store i32 %127, ptr %8, align 4, !tbaa !5
  br label %114, !llvm.loop !16

128:                                              ; preds = %118
  %129 = load i32, ptr %1, align 4
  ret i32 %129
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

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)) #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; 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) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 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 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #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 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !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" }

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@_Z1aB5cxx11 = external dso_local global [510 x %"class.std::__cxx11::basic_string"], align 16
@_Z1AB5cxx11 = external dso_local global [510 x %"class.std::__cxx11::basic_string"], align 16
@_Z1BB5cxx11 = external dso_local global [510 x %"class.std::__cxx11::basic_string"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = 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)
  %2 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) @W)
  %3 = load i32, ptr @H, align 4, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge46

.preheader35:                                     ; preds = %.lr.ph
  %5 = icmp sgt i32 %14, 0
  br i1 %5, label %.preheader34.lr.ph, label %._crit_edge46

.preheader34.lr.ph:                               ; preds = %.preheader35
  %6 = load i32, ptr @W, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 2
  br i1 %7, label %.preheader34, label %.lr.ph41.preheader

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %8 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1aB5cxx11, i64 0, i64 %indvars.iv
  %9 = 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) %8)
  %10 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %indvars.iv
  %11 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %8)
  %12 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %indvars.iv
  %13 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull align 8 dereferenceable(32) %8)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %14 = load i32, ptr @H, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = icmp slt i64 %indvars.iv.next, %15
  br i1 %16, label %.lr.ph, label %.preheader35, !llvm.loop !9

.preheader34:                                     ; preds = %.preheader34.lr.ph, %._crit_edge
  %17 = phi i32 [ %29, %._crit_edge ], [ %6, %.preheader34.lr.ph ]
  %indvars.iv56 = phi i64 [ %indvars.iv.next57, %._crit_edge ], [ 0, %.preheader34.lr.ph ]
  %18 = icmp sgt i32 %17, 2
  br i1 %18, label %.lr.ph38, label %._crit_edge

.lr.ph38:                                         ; preds = %.preheader34
  %19 = and i64 %indvars.iv56, 1
  %20 = icmp eq i64 %19, 0
  %21 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %indvars.iv56
  %22 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %indvars.iv56
  br i1 %20, label %.lr.ph38.split.us, label %.lr.ph38.split

.lr.ph38.split.us:                                ; preds = %.lr.ph38, %.lr.ph38.split.us
  %indvars.iv53 = phi i64 [ %indvars.iv.next54, %.lr.ph38.split.us ], [ 1, %.lr.ph38 ]
  %23 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %22, i64 noundef %indvars.iv53)
  store i8 35, ptr %23, align 1, !tbaa !11
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %24 = load i32, ptr @W, align 4, !tbaa !5
  %25 = add nsw i32 %24, -1
  %26 = sext i32 %25 to i64
  %27 = icmp slt i64 %indvars.iv.next54, %26
  br i1 %27, label %.lr.ph38.split.us, label %._crit_edge, !llvm.loop !12

.preheader33:                                     ; preds = %._crit_edge
  %28 = icmp sgt i32 %30, 0
  br i1 %28, label %.lr.ph41.preheader, label %._crit_edge46

.lr.ph41.preheader:                               ; preds = %.preheader34.lr.ph, %.preheader33
  br label %.lr.ph41

._crit_edge:                                      ; preds = %.lr.ph38.split, %.lr.ph38.split.us, %.preheader34
  %29 = phi i32 [ %17, %.preheader34 ], [ %24, %.lr.ph38.split.us ], [ %34, %.lr.ph38.split ]
  %indvars.iv.next57 = add nuw nsw i64 %indvars.iv56, 1
  %30 = load i32, ptr @H, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = icmp slt i64 %indvars.iv.next57, %31
  br i1 %32, label %.preheader34, label %.preheader33, !llvm.loop !13

.lr.ph38.split:                                   ; preds = %.lr.ph38, %.lr.ph38.split
  %indvars.iv50 = phi i64 [ %indvars.iv.next51, %.lr.ph38.split ], [ 1, %.lr.ph38 ]
  %33 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %21, i64 noundef %indvars.iv50)
  store i8 35, ptr %33, align 1, !tbaa !11
  %indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1
  %34 = load i32, ptr @W, align 4, !tbaa !5
  %35 = add nsw i32 %34, -1
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next51, %36
  br i1 %37, label %.lr.ph38.split, label %._crit_edge, !llvm.loop !12

.preheader32:                                     ; preds = %.lr.ph41
  %38 = icmp sgt i32 %46, 0
  br i1 %38, label %.lr.ph43, label %._crit_edge46

.lr.ph41:                                         ; preds = %.lr.ph41.preheader, %.lr.ph41
  %indvars.iv59 = phi i64 [ %indvars.iv.next60, %.lr.ph41 ], [ 0, %.lr.ph41.preheader ]
  %39 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %indvars.iv59
  %40 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %39, i64 noundef 0)
  store i8 35, ptr %40, align 1, !tbaa !11
  %41 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %indvars.iv59
  %42 = load i32, ptr @W, align 4, !tbaa !5
  %43 = add nsw i32 %42, -1
  %44 = sext i32 %43 to i64
  %45 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %41, i64 noundef %44)
  store i8 35, ptr %45, align 1, !tbaa !11
  %indvars.iv.next60 = add nuw nsw i64 %indvars.iv59, 1
  %46 = load i32, ptr @H, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = icmp slt i64 %indvars.iv.next60, %47
  br i1 %48, label %.lr.ph41, label %.preheader32, !llvm.loop !15

.preheader:                                       ; preds = %.lr.ph43
  %49 = icmp sgt i32 %53, 0
  br i1 %49, label %.lr.ph45, label %._crit_edge46

.lr.ph43:                                         ; preds = %.preheader32, %.lr.ph43
  %indvars.iv62 = phi i64 [ %indvars.iv.next63, %.lr.ph43 ], [ 0, %.preheader32 ]
  %50 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1AB5cxx11, i64 0, i64 %indvars.iv62
  %51 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %50)
  %52 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %indvars.iv.next63 = add nuw nsw i64 %indvars.iv62, 1
  %53 = load i32, ptr @H, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = icmp slt i64 %indvars.iv.next63, %54
  br i1 %55, label %.lr.ph43, label %.preheader, !llvm.loop !16

._crit_edge46:                                    ; preds = %.lr.ph45, %0, %.preheader35, %.preheader33, %.preheader32, %.preheader
  ret i32 0

.lr.ph45:                                         ; preds = %.preheader, %.lr.ph45
  %indvars.iv65 = phi i64 [ %indvars.iv.next66, %.lr.ph45 ], [ 0, %.preheader ]
  %56 = getelementptr inbounds [510 x %"class.std::__cxx11::basic_string"], ptr @_Z1BB5cxx11, i64 0, i64 %indvars.iv65
  %57 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %56)
  %58 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %indvars.iv.next66 = add nuw nsw i64 %indvars.iv65, 1
  %59 = load i32, ptr @H, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = icmp slt i64 %indvars.iv.next66, %60
  br i1 %61, label %.lr.ph45, label %._crit_edge46, !llvm.loop !17
}

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 #1

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 #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; 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 #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; 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 #2 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)) #4

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { 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" }

!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 = distinct !{!12, !10}
!13 = distinct !{!13, !10, !14}
!14 = !{!"llvm.loop.unswitch.partial.disable"}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !10}


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