; LLVM IR from JanaSabuj/cppdump :: Old/DS (STUpdate)

; 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" }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [10 x i8], align 1
@stderr = external global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2btPxS_xxx(ptr noundef, ptr noundef, i64 noundef, i64 noundef, i64 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 @_Z2utPxS_xxxxx(ptr noundef, ptr noundef, i64 noundef, i64 noundef, i64 noundef, i64 noundef, i64 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %12 = load ptr, ptr @stdin, align 8, !tbaa !5
  %13 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.1, ptr noundef %12)
  %14 = load ptr, ptr @stdout, align 8, !tbaa !5
  %15 = call ptr @freopen(ptr noundef @.str.2, ptr noundef @.str.3, ptr noundef %14)
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = call ptr @freopen(ptr noundef @.str.4, ptr noundef @.str.3, ptr noundef %16)
  %18 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %19 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !9
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %21
  %23 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %22, ptr noundef null)
  %24 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !9
  %25 = getelementptr i8, ptr %24, i64 -24
  %26 = load i64, ptr %25, align 8
  %27 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %26
  %28 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %27, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %30 = load i64, ptr %2, align 8, !tbaa !11
  %31 = call ptr @llvm.stacksave.p0()
  store ptr %31, ptr %3, align 8
  %32 = alloca i64, i64 %30, align 16
  store i64 %30, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  store i64 0, ptr %5, align 8, !tbaa !11
  br label %33

33:                                               ; preds = %42, %0
  %34 = load i64, ptr %5, align 8, !tbaa !11
  %35 = load i64, ptr %2, align 8, !tbaa !11
  %36 = icmp slt i64 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  br label %45

38:                                               ; preds = %33
  %39 = load i64, ptr %5, align 8, !tbaa !11
  %40 = getelementptr inbounds i64, ptr %32, i64 %39
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %40)
  br label %42

42:                                               ; preds = %38
  %43 = load i64, ptr %5, align 8, !tbaa !11
  %44 = add nsw i64 %43, 1
  store i64 %44, ptr %5, align 8, !tbaa !11
  br label %33, !llvm.loop !13

45:                                               ; preds = %37
  %46 = load i64, ptr %2, align 8, !tbaa !11
  %47 = mul nsw i64 2, %46
  %48 = alloca i64, i64 %47, align 16
  store i64 %47, ptr %6, align 8
  %49 = load i64, ptr %2, align 8, !tbaa !11
  %50 = sub nsw i64 %49, 1
  call void @_Z2btPxS_xxx(ptr noundef %32, ptr noundef %48, i64 noundef 0, i64 noundef %50, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 1, ptr %7, align 8, !tbaa !11
  br label %51

51:                                               ; preds = %63, %45
  %52 = load i64, ptr %7, align 8, !tbaa !11
  %53 = load i64, ptr %2, align 8, !tbaa !11
  %54 = mul nsw i64 2, %53
  %55 = icmp slt i64 %52, %54
  br i1 %55, label %57, label %56

56:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %66

57:                                               ; preds = %51
  %58 = load i64, ptr %7, align 8, !tbaa !11
  %59 = getelementptr inbounds i64, ptr %48, i64 %58
  %60 = load i64, ptr %59, align 8, !tbaa !11
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %60)
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef @.str.5)
  br label %63

63:                                               ; preds = %57
  %64 = load i64, ptr %7, align 8, !tbaa !11
  %65 = add nsw i64 %64, 1
  store i64 %65, ptr %7, align 8, !tbaa !11
  br label %51, !llvm.loop !15

66:                                               ; preds = %56
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  %68 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %8)
  br label %69

69:                                               ; preds = %95, %66
  %70 = load i64, ptr %8, align 8, !tbaa !11
  %71 = add nsw i64 %70, -1
  store i64 %71, ptr %8, align 8, !tbaa !11
  %72 = icmp ne i64 %70, 0
  br i1 %72, label %73, label %97

73:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %74 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %75 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %74, ptr noundef nonnull align 8 dereferenceable(8) %10)
  %76 = load i64, ptr %2, align 8, !tbaa !11
  %77 = sub nsw i64 %76, 1
  %78 = load i64, ptr %9, align 8, !tbaa !11
  %79 = load i64, ptr %10, align 8, !tbaa !11
  call void @_Z2utPxS_xxxxx(ptr noundef %32, ptr noundef %48, i64 noundef 0, i64 noundef %77, i64 noundef 1, i64 noundef %78, i64 noundef %79)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  store i64 1, ptr %11, align 8, !tbaa !11
  br label %80

80:                                               ; preds = %92, %73
  %81 = load i64, ptr %11, align 8, !tbaa !11
  %82 = load i64, ptr %2, align 8, !tbaa !11
  %83 = mul nsw i64 2, %82
  %84 = icmp slt i64 %81, %83
  br i1 %84, label %86, label %85

85:                                               ; preds = %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %95

86:                                               ; preds = %80
  %87 = load i64, ptr %11, align 8, !tbaa !11
  %88 = getelementptr inbounds i64, ptr %48, i64 %87
  %89 = load i64, ptr %88, align 8, !tbaa !11
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %89)
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %90, ptr noundef @.str.5)
  br label %92

92:                                               ; preds = %86
  %93 = load i64, ptr %11, align 8, !tbaa !11
  %94 = add nsw i64 %93, 1
  store i64 %94, ptr %11, align 8, !tbaa !11
  br label %80, !llvm.loop !16

95:                                               ; preds = %85
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  br label %69, !llvm.loop !17

97:                                               ; preds = %69
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  %98 = load ptr, ptr %3, align 8
  call void @llvm.stackrestore.p0(ptr %98)
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  %99 = load i32, ptr %1, align 4
  ret i32 %99
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #3

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #5

; 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) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 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 #3 = { "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 = { nocallback nofree nosync nounwind willreturn }
attributes #6 = { 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 #7 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !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::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" }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [10 x i8], align 1
@stderr = external local_unnamed_addr global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2btPxS_xxx(ptr noundef, ptr noundef, i64 noundef, i64 noundef, i64 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 @_Z2utPxS_xxxxx(ptr noundef, ptr noundef, i64 noundef, i64 noundef, i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = load ptr, ptr @stdin, align 8, !tbaa !5
  %6 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, ptr noundef %5)
  %7 = load ptr, ptr @stdout, align 8, !tbaa !5
  %8 = tail call ptr @freopen(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.3, ptr noundef %7)
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = tail call ptr @freopen(ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.3, ptr noundef %9)
  %11 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %12 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !9
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %14
  %16 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  %17 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !9
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %19
  %21 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %23 = load i64, ptr %1, align 8, !tbaa !11
  %24 = call ptr @llvm.stacksave.p0()
  %25 = alloca i64, i64 %23, align 16
  %26 = load i64, ptr %1, align 8, !tbaa !11
  %27 = icmp sgt i64 %26, 0
  br i1 %27, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.lcssa = phi i64 [ %26, %0 ], [ %36, %.lr.ph ]
  %28 = shl nsw i64 %.lcssa, 1
  %29 = alloca i64, i64 %28, align 16
  %30 = add nsw i64 %.lcssa, -1
  call void @_Z2btPxS_xxx(ptr noundef nonnull %25, ptr noundef nonnull %29, i64 noundef 0, i64 noundef %30, i64 noundef 1)
  %31 = load i64, ptr %1, align 8, !tbaa !11
  %32 = icmp sgt i64 %31, 0
  br i1 %32, label %.lr.ph16, label %._crit_edge17

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01113 = phi i64 [ %35, %.lr.ph ], [ 0, %0 ]
  %33 = getelementptr inbounds i64, ptr %25, i64 %.01113
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %33)
  %35 = add nuw nsw i64 %.01113, 1
  %36 = load i64, ptr %1, align 8, !tbaa !11
  %37 = icmp slt i64 %35, %36
  br i1 %37, label %.lr.ph, label %._crit_edge, !llvm.loop !13

._crit_edge17:                                    ; preds = %.lr.ph16, %._crit_edge
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.6)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %40 = load i64, ptr %2, align 8, !tbaa !11
  %41 = add nsw i64 %40, -1
  store i64 %41, ptr %2, align 8, !tbaa !11
  %.not22 = icmp eq i64 %40, 0
  br i1 %.not22, label %._crit_edge25, label %.lr.ph24

.lr.ph16:                                         ; preds = %._crit_edge, %.lr.ph16
  %.01014 = phi i64 [ %46, %.lr.ph16 ], [ 1, %._crit_edge ]
  %42 = getelementptr inbounds i64, ptr %29, i64 %.01014
  %43 = load i64, ptr %42, align 8, !tbaa !11
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %43)
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef nonnull @.str.5)
  %46 = add nuw nsw i64 %.01014, 1
  %47 = load i64, ptr %1, align 8, !tbaa !11
  %48 = shl nsw i64 %47, 1
  %49 = icmp slt i64 %46, %48
  br i1 %49, label %.lr.ph16, label %._crit_edge17, !llvm.loop !15

.lr.ph24:                                         ; preds = %._crit_edge17, %._crit_edge21
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %50 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %51 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %50, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %52 = load i64, ptr %1, align 8, !tbaa !11
  %53 = add nsw i64 %52, -1
  %54 = load i64, ptr %3, align 8, !tbaa !11
  %55 = load i64, ptr %4, align 8, !tbaa !11
  call void @_Z2utPxS_xxxxx(ptr noundef nonnull %25, ptr noundef nonnull %29, i64 noundef 0, i64 noundef %53, i64 noundef 1, i64 noundef %54, i64 noundef %55)
  %56 = load i64, ptr %1, align 8, !tbaa !11
  %57 = icmp sgt i64 %56, 0
  br i1 %57, label %.lr.ph20, label %._crit_edge21

._crit_edge21:                                    ; preds = %.lr.ph20, %.lr.ph24
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  %59 = load i64, ptr %2, align 8, !tbaa !11
  %60 = add nsw i64 %59, -1
  store i64 %60, ptr %2, align 8, !tbaa !11
  %.not = icmp eq i64 %59, 0
  br i1 %.not, label %._crit_edge25, label %.lr.ph24, !llvm.loop !16

.lr.ph20:                                         ; preds = %.lr.ph24, %.lr.ph20
  %.018 = phi i64 [ %65, %.lr.ph20 ], [ 1, %.lr.ph24 ]
  %61 = getelementptr inbounds i64, ptr %29, i64 %.018
  %62 = load i64, ptr %61, align 8, !tbaa !11
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %62)
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull @.str.5)
  %65 = add nuw nsw i64 %.018, 1
  %66 = load i64, ptr %1, align 8, !tbaa !11
  %67 = shl nsw i64 %66, 1
  %68 = icmp slt i64 %65, %67
  br i1 %68, label %.lr.ph20, label %._crit_edge21, !llvm.loop !17

._crit_edge25:                                    ; preds = %._crit_edge21, %._crit_edge17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.stackrestore.p0(ptr %24)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #5

; 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 #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 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 #3 = { "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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #6 = { 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 #7 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


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