; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1025_CODE_FESTIVAL_2015_qualB (B)

; 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 [100010 x i32], align 16
@cnt = external dso_local global [100010 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 [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 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
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #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) %2)
  %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) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @cnt, ptr noundef getelementptr inbounds (i32, ptr @cnt, i64 100010), ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %29, %0
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = load i32, ptr %2, 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 %5) #5
  br label %32

16:                                               ; preds = %11
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [100010 x i32], ptr @A, i64 0, i64 %18
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %19)
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [100010 x i32], ptr @A, i64 0, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %26, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %16
  %30 = load i32, ptr %5, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %5, align 4, !tbaa !5
  br label %11, !llvm.loop !9

32:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %52, %32
  %34 = load i32, ptr %8, align 4, !tbaa !5
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = icmp sle i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %55

38:                                               ; preds = %33
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = load i32, ptr %8, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = icmp slt i32 %39, %43
  br i1 %44, label %45, label %51

45:                                               ; preds = %38
  %46 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %46, ptr %7, align 4, !tbaa !5
  %47 = load i32, ptr %8, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  store i32 %50, ptr %6, align 4, !tbaa !5
  br label %51

51:                                               ; preds = %45, %38
  br label %52

52:                                               ; preds = %51
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %8, align 4, !tbaa !5
  br label %33, !llvm.loop !11

55:                                               ; preds = %37
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = load i32, ptr %2, align 4, !tbaa !5
  %58 = sdiv i32 %57, 2
  %59 = icmp sgt i32 %56, %58
  br i1 %59, label %60, label %64

60:                                               ; preds = %55
  %61 = load i32, ptr %7, align 4, !tbaa !5
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %61)
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %62, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %67

64:                                               ; preds = %55
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %67

67:                                               ; preds = %64, %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %68 = load i32, ptr %1, align 4
  ret i32 %68
}

; 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #3

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

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

; 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

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}


; 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 [100010 x i32], align 16
@cnt = external dso_local global [100010 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 [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 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %4 = 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)
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @cnt, ptr noundef nonnull getelementptr inbounds (i8, ptr @cnt, i64 400040), ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %0
  %.lcssa = phi i32 [ %6, %0 ], [ %18, %.lr.ph ]
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %.not20 = icmp slt i32 %8, 0
  br i1 %.not20, label %._crit_edge, label %.lr.ph24.preheader

.lr.ph24.preheader:                               ; preds = %.preheader
  %9 = add nuw i32 %8, 1
  %wide.trip.count = zext i32 %9 to i64
  %xtraiter = and i64 %wide.trip.count, 3
  %10 = icmp ult i32 %8, 3
  br i1 %10, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph24.preheader.new

.lr.ph24.preheader.new:                           ; preds = %.lr.ph24.preheader
  %unroll_iter = and i64 %wide.trip.count, 4294967292
  br label %.lr.ph24

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %11 = getelementptr inbounds [100010 x i32], ptr @A, i64 0, i64 %indvars.iv
  %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) %11)
  %13 = load i32, ptr %11, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %15, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next, %19
  br i1 %20, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph24, %.lr.ph24.preheader
  %spec.select.lcssa.ph = phi i32 [ poison, %.lr.ph24.preheader ], [ %spec.select.3, %.lr.ph24 ]
  %spec.select18.lcssa.ph = phi i32 [ poison, %.lr.ph24.preheader ], [ %spec.select18.3, %.lr.ph24 ]
  %indvars.iv29.unr = phi i64 [ 0, %.lr.ph24.preheader ], [ %indvars.iv.next30.3, %.lr.ph24 ]
  %.01322.unr = phi i32 [ 0, %.lr.ph24.preheader ], [ %spec.select18.3, %.lr.ph24 ]
  %.01421.unr = phi i32 [ 0, %.lr.ph24.preheader ], [ %spec.select.3, %.lr.ph24 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph24.epil

.lr.ph24.epil:                                    ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph24.epil
  %indvars.iv29.epil = phi i64 [ %indvars.iv.next30.epil, %.lr.ph24.epil ], [ %indvars.iv29.unr, %._crit_edge.loopexit.unr-lcssa ]
  %.01322.epil = phi i32 [ %spec.select18.epil, %.lr.ph24.epil ], [ %.01322.unr, %._crit_edge.loopexit.unr-lcssa ]
  %.01421.epil = phi i32 [ %spec.select.epil, %.lr.ph24.epil ], [ %.01421.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph24.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %21 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %indvars.iv29.epil
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = icmp slt i32 %.01421.epil, %22
  %spec.select.epil = call i32 @llvm.smax.i32(i32 %.01421.epil, i32 %22)
  %24 = trunc nuw nsw i64 %indvars.iv29.epil to i32
  %spec.select18.epil = select i1 %23, i32 %24, i32 %.01322.epil
  %indvars.iv.next30.epil = add nuw nsw i64 %indvars.iv29.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph24.epil, !llvm.loop !11

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph24.epil, %.preheader
  %.014.lcssa = phi i32 [ 0, %.preheader ], [ %spec.select.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %spec.select.epil, %.lr.ph24.epil ]
  %.013.lcssa = phi i32 [ 0, %.preheader ], [ %spec.select18.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %spec.select18.epil, %.lr.ph24.epil ]
  %25 = sdiv i32 %.lcssa, 2
  %26 = icmp sgt i32 %.014.lcssa, %25
  br i1 %26, label %43, label %45

.lr.ph24:                                         ; preds = %.lr.ph24, %.lr.ph24.preheader.new
  %indvars.iv29 = phi i64 [ 0, %.lr.ph24.preheader.new ], [ %indvars.iv.next30.3, %.lr.ph24 ]
  %.01322 = phi i32 [ 0, %.lr.ph24.preheader.new ], [ %spec.select18.3, %.lr.ph24 ]
  %.01421 = phi i32 [ 0, %.lr.ph24.preheader.new ], [ %spec.select.3, %.lr.ph24 ]
  %niter = phi i64 [ 0, %.lr.ph24.preheader.new ], [ %niter.next.3, %.lr.ph24 ]
  %27 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %indvars.iv29
  %28 = load i32, ptr %27, align 16, !tbaa !5
  %29 = icmp slt i32 %.01421, %28
  %spec.select = call i32 @llvm.smax.i32(i32 %.01421, i32 %28)
  %30 = trunc nuw nsw i64 %indvars.iv29 to i32
  %spec.select18 = select i1 %29, i32 %30, i32 %.01322
  %indvars.iv.next30 = or disjoint i64 %indvars.iv29, 1
  %31 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %indvars.iv.next30
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = icmp slt i32 %spec.select, %32
  %spec.select.1 = call i32 @llvm.smax.i32(i32 %spec.select, i32 %32)
  %34 = trunc nuw nsw i64 %indvars.iv.next30 to i32
  %spec.select18.1 = select i1 %33, i32 %34, i32 %spec.select18
  %indvars.iv.next30.1 = or disjoint i64 %indvars.iv29, 2
  %35 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %indvars.iv.next30.1
  %36 = load i32, ptr %35, align 8, !tbaa !5
  %37 = icmp slt i32 %spec.select.1, %36
  %spec.select.2 = call i32 @llvm.smax.i32(i32 %spec.select.1, i32 %36)
  %38 = trunc nuw nsw i64 %indvars.iv.next30.1 to i32
  %spec.select18.2 = select i1 %37, i32 %38, i32 %spec.select18.1
  %indvars.iv.next30.2 = or disjoint i64 %indvars.iv29, 3
  %39 = getelementptr inbounds [100010 x i32], ptr @cnt, i64 0, i64 %indvars.iv.next30.2
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = icmp slt i32 %spec.select.2, %40
  %spec.select.3 = call i32 @llvm.smax.i32(i32 %spec.select.2, i32 %40)
  %42 = trunc nuw nsw i64 %indvars.iv.next30.2 to i32
  %spec.select18.3 = select i1 %41, i32 %42, i32 %spec.select18.2
  %indvars.iv.next30.3 = add nuw nsw i64 %indvars.iv29, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph24, !llvm.loop !13

43:                                               ; preds = %._crit_edge
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.013.lcssa)
  br label %47

45:                                               ; preds = %._crit_edge
  %46 = 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 %47

47:                                               ; preds = %45, %43
  %.sink = phi ptr [ %46, %45 ], [ %44, %43 ]
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %.sink, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

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

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

; 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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nounwind }

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

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


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