; LLVM IR from abeaumont/competitive-programming :: kattis (loowater)

; 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" }

@a = external dso_local global [20001 x i32], align 16
@b = external dso_local global [20001 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [21 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 i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  br label %10

10:                                               ; preds = %102, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %11 = 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)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %19, label %15

15:                                               ; preds = %10
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  store i32 3, ptr %4, align 4
  br label %100

19:                                               ; preds = %15, %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %20

20:                                               ; preds = %30, %19
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  store i32 4, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %33

25:                                               ; preds = %20
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [20001 x i32], ptr @a, i64 0, i64 %27
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %28)
  br label %30

30:                                               ; preds = %25
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %5, align 4, !tbaa !5
  br label %20, !llvm.loop !9

33:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %44, %33
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %34
  store i32 7, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %47

39:                                               ; preds = %34
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [20001 x i32], ptr @b, i64 0, i64 %41
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %42)
  br label %44

44:                                               ; preds = %39
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %6, align 4, !tbaa !5
  br label %34, !llvm.loop !11

47:                                               ; preds = %38
  %48 = load i32, ptr %2, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds i32, ptr @a, i64 %49
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef @a, ptr noundef %50)
  %51 = load i32, ptr %3, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds i32, ptr @b, i64 %52
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef @b, ptr noundef %53)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %54

54:                                               ; preds = %88, %47
  %55 = load i32, ptr %8, align 4, !tbaa !5
  %56 = load i32, ptr %2, align 4, !tbaa !5
  %57 = icmp slt i32 %55, %56
  br i1 %57, label %58, label %62

58:                                               ; preds = %54
  %59 = load i32, ptr %9, align 4, !tbaa !5
  %60 = load i32, ptr %3, align 4, !tbaa !5
  %61 = icmp slt i32 %59, %60
  br label %62

62:                                               ; preds = %58, %54
  %63 = phi i1 [ false, %54 ], [ %61, %58 ]
  br i1 %63, label %64, label %89

64:                                               ; preds = %62
  %65 = load i32, ptr %8, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [20001 x i32], ptr @a, i64 0, i64 %66
  %68 = load i32, ptr %67, align 4, !tbaa !5
  %69 = load i32, ptr %9, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [20001 x i32], ptr @b, i64 0, i64 %70
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = icmp sle i32 %68, %72
  br i1 %73, label %74, label %85

74:                                               ; preds = %64
  %75 = load i32, ptr %9, align 4, !tbaa !5
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %9, align 4, !tbaa !5
  %77 = sext i32 %75 to i64
  %78 = getelementptr inbounds [20001 x i32], ptr @b, i64 0, i64 %77
  %79 = load i32, ptr %78, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = load i64, ptr %7, align 8, !tbaa !12
  %82 = add nsw i64 %81, %80
  store i64 %82, ptr %7, align 8, !tbaa !12
  %83 = load i32, ptr %8, align 4, !tbaa !5
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %8, align 4, !tbaa !5
  br label %88

85:                                               ; preds = %64
  %86 = load i32, ptr %9, align 4, !tbaa !5
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %9, align 4, !tbaa !5
  br label %88

88:                                               ; preds = %85, %74
  br label %54, !llvm.loop !14

89:                                               ; preds = %62
  %90 = load i32, ptr %8, align 4, !tbaa !5
  %91 = load i32, ptr %2, align 4, !tbaa !5
  %92 = icmp slt i32 %90, %91
  br i1 %92, label %93, label %95

93:                                               ; preds = %89
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %99

95:                                               ; preds = %89
  %96 = load i64, ptr %7, align 8, !tbaa !12
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %96)
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %97, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %99

99:                                               ; preds = %95, %93
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  store i32 0, ptr %4, align 4
  br label %100

100:                                              ; preds = %99, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %101 = load i32, ptr %4, align 4
  switch i32 %101, label %105 [
    i32 0, label %102
    i32 3, label %103
  ]

102:                                              ; preds = %100
  br label %10, !llvm.loop !15

103:                                              ; preds = %100
  %104 = load i32, ptr %1, align 4
  ret i32 %104

105:                                              ; preds = %100
  unreachable
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiEvT_S1_(ptr noundef, ptr noundef) #3

; 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) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"long long", !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::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" }

@a = external dso_local global [20001 x i32], align 16
@b = external dso_local global [20001 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [21 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %3 = 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)
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = icmp ne i32 %5, 0
  %7 = load i32, ptr %2, align 4
  %8 = icmp ne i32 %7, 0
  %or.cond40 = select i1 %6, i1 true, i1 %8
  br i1 %or.cond40, label %.preheader29, label %._crit_edge41

.preheader29:                                     ; preds = %0, %52
  %9 = phi i32 [ %57, %52 ], [ %7, %0 ]
  %10 = phi i32 [ %55, %52 ], [ %5, %0 ]
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %.preheader

.preheader.loopexit:                              ; preds = %.lr.ph
  %.pre = load i32, ptr %2, align 4, !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.preheader.loopexit, %.preheader29
  %12 = phi i32 [ %17, %.preheader.loopexit ], [ %10, %.preheader29 ]
  %13 = phi i32 [ %.pre, %.preheader.loopexit ], [ %9, %.preheader29 ]
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %.lr.ph32, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader29, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader29 ]
  %15 = getelementptr inbounds [20001 x i32], ptr @a, i64 0, i64 %indvars.iv
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %15)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = icmp slt i64 %indvars.iv.next, %18
  br i1 %19, label %.lr.ph, label %.preheader.loopexit, !llvm.loop !9

._crit_edge.loopexit:                             ; preds = %.lr.ph32
  %.pre50 = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %20 = phi i32 [ %.pre50, %._crit_edge.loopexit ], [ %12, %.preheader ]
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds i32, ptr @a, i64 %21
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef nonnull @a, ptr noundef nonnull %22)
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds i32, ptr @b, i64 %24
  call void @_ZSt4sortIPiEvT_S1_(ptr noundef nonnull @b, ptr noundef nonnull %25)
  %26 = load i32, ptr %1, align 4, !tbaa !5
  %27 = load i32, ptr %2, align 4
  %28 = icmp sgt i32 %26, 0
  %29 = icmp sgt i32 %27, 0
  %30 = select i1 %28, i1 %29, i1 false
  br i1 %30, label %.lr.ph37.preheader, label %._crit_edge38

.lr.ph37.preheader:                               ; preds = %._crit_edge
  %31 = zext nneg i32 %27 to i64
  br label %.lr.ph37

.lr.ph32:                                         ; preds = %.preheader, %.lr.ph32
  %indvars.iv44 = phi i64 [ %indvars.iv.next45, %.lr.ph32 ], [ 0, %.preheader ]
  %32 = getelementptr inbounds [20001 x i32], ptr @b, i64 0, i64 %indvars.iv44
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %32)
  %indvars.iv.next45 = add nuw nsw i64 %indvars.iv44, 1
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = icmp slt i64 %indvars.iv.next45, %35
  br i1 %36, label %.lr.ph32, label %._crit_edge.loopexit, !llvm.loop !11

.lr.ph37:                                         ; preds = %.lr.ph37.preheader, %.lr.ph37
  %indvars.iv47 = phi i64 [ 0, %.lr.ph37.preheader ], [ %indvars.iv.next48, %.lr.ph37 ]
  %.01934 = phi i32 [ 0, %.lr.ph37.preheader ], [ %.120, %.lr.ph37 ]
  %.02133 = phi i64 [ 0, %.lr.ph37.preheader ], [ %.122, %.lr.ph37 ]
  %37 = zext nneg i32 %.01934 to i64
  %38 = getelementptr inbounds [20001 x i32], ptr @a, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = getelementptr inbounds [20001 x i32], ptr @b, i64 0, i64 %indvars.iv47
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %.not = icmp sle i32 %39, %41
  %narrow = select i1 %.not, i32 %41, i32 0
  %42 = sext i32 %narrow to i64
  %.122 = add nsw i64 %.02133, %42
  %43 = zext i1 %.not to i32
  %.120 = add nuw nsw i32 %.01934, %43
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1
  %44 = icmp slt i32 %.120, %26
  %45 = icmp ult i64 %indvars.iv.next48, %31
  %46 = select i1 %44, i1 %45, i1 false
  br i1 %46, label %.lr.ph37, label %._crit_edge38, !llvm.loop !12

._crit_edge38:                                    ; preds = %.lr.ph37, %._crit_edge
  %.021.lcssa = phi i64 [ 0, %._crit_edge ], [ %.122, %.lr.ph37 ]
  %.lcssa = phi i1 [ %28, %._crit_edge ], [ %44, %.lr.ph37 ]
  br i1 %.lcssa, label %47, label %49

47:                                               ; preds = %._crit_edge38
  %48 = 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)
  br label %52

49:                                               ; preds = %._crit_edge38
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.021.lcssa)
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %50, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %52

52:                                               ; preds = %47, %49
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %53 = 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)
  %54 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %53, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %55 = load i32, ptr %1, align 4, !tbaa !5
  %56 = icmp ne i32 %55, 0
  %57 = load i32, ptr %2, align 4
  %58 = icmp ne i32 %57, 0
  %or.cond = select i1 %56, i1 true, i1 %58
  br i1 %or.cond, label %.preheader29, label %._crit_edge41

._crit_edge41:                                    ; preds = %52, %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
}

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

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 #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiEvT_S1_(ptr noundef, ptr noundef) local_unnamed_addr #3

; 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 #3

; 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 #4 align 2

; 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 #4 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)) #3

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


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