; LLVM IR from seikhchilli/codeforces-solution :: 1541A (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; 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 i8, align 1
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %7 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  br label %14

14:                                               ; preds = %108, %0
  %15 = load i32, ptr %2, align 4, !tbaa !8
  %16 = add nsw i32 %15, -1
  store i32 %16, ptr %2, align 4, !tbaa !8
  %17 = icmp ne i32 %15, 0
  br i1 %17, label %18, label %110

18:                                               ; preds = %14
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #5
  store i8 0, ptr %4, align 1, !tbaa !11
  %20 = load i32, ptr %3, align 4, !tbaa !8
  %21 = and i32 %20, 1
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %80

23:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 1, ptr %5, align 4, !tbaa !8
  br label %24

24:                                               ; preds = %76, %23
  %25 = load i32, ptr %5, align 4, !tbaa !8
  %26 = load i32, ptr %3, align 4, !tbaa !8
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %79

29:                                               ; preds = %24
  %30 = load i8, ptr %4, align 1, !tbaa !11, !range !13, !noundef !14
  %31 = trunc i8 %30 to i1
  %32 = xor i1 %31, true
  %33 = zext i1 %32 to i8
  store i8 %33, ptr %4, align 1, !tbaa !11
  %34 = load i32, ptr %5, align 4, !tbaa !8
  %35 = load i32, ptr %3, align 4, !tbaa !8
  %36 = sub nsw i32 %35, 2
  %37 = icmp eq i32 %34, %36
  br i1 %37, label %38, label %43

38:                                               ; preds = %29
  %39 = load i32, ptr %5, align 4, !tbaa !8
  %40 = add nsw i32 %39, 1
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %40)
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef @.str)
  br label %76

43:                                               ; preds = %29
  %44 = load i32, ptr %5, align 4, !tbaa !8
  %45 = load i32, ptr %3, align 4, !tbaa !8
  %46 = sub nsw i32 %45, 1
  %47 = icmp eq i32 %44, %46
  br i1 %47, label %48, label %53

48:                                               ; preds = %43
  %49 = load i32, ptr %5, align 4, !tbaa !8
  %50 = add nsw i32 %49, 1
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %50)
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @.str)
  br label %76

53:                                               ; preds = %43
  %54 = load i32, ptr %5, align 4, !tbaa !8
  %55 = load i32, ptr %3, align 4, !tbaa !8
  %56 = icmp eq i32 %54, %55
  br i1 %56, label %57, label %62

57:                                               ; preds = %53
  %58 = load i32, ptr %5, align 4, !tbaa !8
  %59 = sub nsw i32 %58, 2
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %59)
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef @.str)
  br label %76

62:                                               ; preds = %53
  %63 = load i8, ptr %4, align 1, !tbaa !11, !range !13, !noundef !14
  %64 = trunc i8 %63 to i1
  br i1 %64, label %65, label %70

65:                                               ; preds = %62
  %66 = load i32, ptr %5, align 4, !tbaa !8
  %67 = add nsw i32 %66, 1
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %67)
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef @.str)
  br label %75

70:                                               ; preds = %62
  %71 = load i32, ptr %5, align 4, !tbaa !8
  %72 = sub nsw i32 %71, 1
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %72)
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %73, ptr noundef @.str)
  br label %75

75:                                               ; preds = %70, %65
  br label %76

76:                                               ; preds = %75, %57, %48, %38
  %77 = load i32, ptr %5, align 4, !tbaa !8
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %5, align 4, !tbaa !8
  br label %24, !llvm.loop !15

79:                                               ; preds = %28
  br label %108

80:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 1, ptr %6, align 4, !tbaa !8
  br label %81

81:                                               ; preds = %104, %80
  %82 = load i32, ptr %6, align 4, !tbaa !8
  %83 = load i32, ptr %3, align 4, !tbaa !8
  %84 = icmp sle i32 %82, %83
  br i1 %84, label %86, label %85

85:                                               ; preds = %81
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %107

86:                                               ; preds = %81
  %87 = load i8, ptr %4, align 1, !tbaa !11, !range !13, !noundef !14
  %88 = trunc i8 %87 to i1
  %89 = xor i1 %88, true
  %90 = zext i1 %89 to i8
  store i8 %90, ptr %4, align 1, !tbaa !11
  %91 = load i8, ptr %4, align 1, !tbaa !11, !range !13, !noundef !14
  %92 = trunc i8 %91 to i1
  br i1 %92, label %93, label %98

93:                                               ; preds = %86
  %94 = load i32, ptr %6, align 4, !tbaa !8
  %95 = add nsw i32 %94, 1
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %95)
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef @.str)
  br label %103

98:                                               ; preds = %86
  %99 = load i32, ptr %6, align 4, !tbaa !8
  %100 = sub nsw i32 %99, 1
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %100)
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef @.str)
  br label %103

103:                                              ; preds = %98, %93
  br label %104

104:                                              ; preds = %103
  %105 = load i32, ptr %6, align 4, !tbaa !8
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %6, align 4, !tbaa !8
  br label %81, !llvm.loop !17

107:                                              ; preds = %85
  br label %108

108:                                              ; preds = %107, %79
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  br label %14, !llvm.loop !18

110:                                              ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %111 = load i32, ptr %1, align 4
  ret i32 %111
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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: 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) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #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 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 willreturn memory(argmem: readwrite) }
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" }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !10, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}
!18 = distinct !{!18, !16}


; 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::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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %4 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %5 = getelementptr i8, ptr %4, i64 -24
  %6 = load i64, ptr %5, align 8
  %7 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %6
  %8 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %7, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %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) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %10 = load i32, ptr %1, align 4, !tbaa !8
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr %1, align 4, !tbaa !8
  %.not34 = icmp eq i32 %10, 0
  br i1 %.not34, label %._crit_edge, label %.lr.ph35

.lr.ph35:                                         ; preds = %0, %.loopexit
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %13 = load i32, ptr %2, align 4, !tbaa !8
  %14 = and i32 %13, 1
  %.not22 = icmp eq i32 %14, 0
  %.not2330 = icmp slt i32 %13, 1
  br i1 %.not22, label %.preheader, label %.preheader25

.preheader25:                                     ; preds = %.lr.ph35
  br i1 %.not2330, label %.loopexit, label %.lr.ph

.preheader:                                       ; preds = %.lr.ph35
  br i1 %.not2330, label %.loopexit, label %.lr.ph33

.lr.ph:                                           ; preds = %.preheader25, %33
  %15 = phi i32 [ %37, %33 ], [ %13, %.preheader25 ]
  %.01929 = phi i32 [ %36, %33 ], [ 1, %.preheader25 ]
  %.02028 = phi i1 [ %16, %33 ], [ false, %.preheader25 ]
  %16 = xor i1 %.02028, true
  %17 = add nsw i32 %15, -2
  %18 = icmp eq i32 %.01929, %17
  br i1 %18, label %19, label %21

19:                                               ; preds = %.lr.ph
  %20 = add nuw nsw i32 %.01929, 1
  br label %33

21:                                               ; preds = %.lr.ph
  %22 = add nsw i32 %15, -1
  %23 = icmp eq i32 %.01929, %22
  br i1 %23, label %24, label %26

24:                                               ; preds = %21
  %25 = add nuw nsw i32 %.01929, 1
  br label %33

26:                                               ; preds = %21
  %27 = icmp eq i32 %.01929, %15
  br i1 %27, label %33, label %28

28:                                               ; preds = %26
  br i1 %.02028, label %31, label %29

29:                                               ; preds = %28
  %30 = add nuw nsw i32 %.01929, 1
  br label %33

31:                                               ; preds = %28
  %32 = add nsw i32 %.01929, -1
  br label %33

33:                                               ; preds = %26, %29, %31, %24, %19
  %.sink38 = phi i32 [ %30, %29 ], [ %32, %31 ], [ %25, %24 ], [ %20, %19 ], [ %17, %26 ]
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sink38)
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef nonnull @.str)
  %36 = add nuw nsw i32 %.01929, 1
  %37 = load i32, ptr %2, align 4, !tbaa !8
  %.not24.not = icmp slt i32 %.01929, %37
  br i1 %.not24.not, label %.lr.ph, label %.loopexit, !llvm.loop !11

.lr.ph33:                                         ; preds = %.preheader, %47
  %.032 = phi i32 [ %.pre-phi, %47 ], [ 1, %.preheader ]
  %.131 = phi i1 [ %38, %47 ], [ false, %.preheader ]
  %38 = xor i1 %.131, true
  br i1 %.131, label %43, label %39

39:                                               ; preds = %.lr.ph33
  %40 = add nuw nsw i32 %.032, 1
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %40)
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef nonnull @.str)
  br label %47

43:                                               ; preds = %.lr.ph33
  %44 = add nsw i32 %.032, -1
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %44)
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef nonnull @.str)
  %.pre = add nuw nsw i32 %.032, 1
  br label %47

47:                                               ; preds = %39, %43
  %.pre-phi = phi i32 [ %40, %39 ], [ %.pre, %43 ]
  %48 = load i32, ptr %2, align 4, !tbaa !8
  %.not23.not = icmp slt i32 %.032, %48
  br i1 %.not23.not, label %.lr.ph33, label %.loopexit, !llvm.loop !13

.loopexit:                                        ; preds = %33, %47, %.preheader25, %.preheader
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
  %50 = load i32, ptr %1, align 4, !tbaa !8
  %51 = add nsw i32 %50, -1
  store i32 %51, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %50, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph35, !llvm.loop !14

._crit_edge:                                      ; preds = %.loopexit, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; 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 #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) 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) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #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 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 nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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