; LLVM IR from eyangch/competitive-programming :: Codeforces/1251 (d)

; 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"

%"struct.std::pair" = type { i64, i64 }
%"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" }

@lr = external dso_local global [200000 x %"struct.std::pair"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5worksxxx(i64 noundef, i64 noundef, i64 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %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
  store i32 0, ptr %1, align 4
  %11 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %12 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %14
  %16 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %17 = 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)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  store i64 1, ptr %3, align 8, !tbaa !8
  br label %18

18:                                               ; preds = %87, %0
  %19 = load i64, ptr %3, align 8, !tbaa !8
  %20 = load i64, ptr %2, align 8, !tbaa !8
  %21 = icmp sle i64 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %90

23:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !8
  br label %26

26:                                               ; preds = %40, %23
  %27 = load i64, ptr %7, align 8, !tbaa !8
  %28 = load i64, ptr %5, align 8, !tbaa !8
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %43

31:                                               ; preds = %26
  %32 = load i64, ptr %7, align 8, !tbaa !8
  %33 = getelementptr inbounds [200000 x %"struct.std::pair"], ptr @lr, i64 0, i64 %32
  %34 = getelementptr inbounds %"struct.std::pair", ptr %33, i32 0, i32 0
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %34)
  %36 = load i64, ptr %7, align 8, !tbaa !8
  %37 = getelementptr inbounds [200000 x %"struct.std::pair"], ptr @lr, i64 0, i64 %36
  %38 = getelementptr inbounds %"struct.std::pair", ptr %37, i32 0, i32 1
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %35, ptr noundef nonnull align 8 dereferenceable(8) %38)
  br label %40

40:                                               ; preds = %31
  %41 = load i64, ptr %7, align 8, !tbaa !8
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %7, align 8, !tbaa !8
  br label %26, !llvm.loop !11

43:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 1000000000, ptr %9, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !8
  br label %44

44:                                               ; preds = %63, %43
  %45 = load i64, ptr %8, align 8, !tbaa !8
  %46 = load i64, ptr %9, align 8, !tbaa !8
  %47 = icmp slt i64 %45, %46
  br i1 %47, label %48, label %64

48:                                               ; preds = %44
  %49 = load i64, ptr %8, align 8, !tbaa !8
  %50 = load i64, ptr %9, align 8, !tbaa !8
  %51 = add nsw i64 %49, %50
  %52 = sdiv i64 %51, 2
  store i64 %52, ptr %10, align 8, !tbaa !8
  %53 = load i64, ptr %5, align 8, !tbaa !8
  %54 = load i64, ptr %6, align 8, !tbaa !8
  %55 = load i64, ptr %10, align 8, !tbaa !8
  %56 = call noundef zeroext i1 @_Z5worksxxx(i64 noundef %53, i64 noundef %54, i64 noundef %55)
  br i1 %56, label %57, label %60

57:                                               ; preds = %48
  %58 = load i64, ptr %10, align 8, !tbaa !8
  %59 = add nsw i64 %58, 1
  store i64 %59, ptr %8, align 8, !tbaa !8
  br label %63

60:                                               ; preds = %48
  %61 = load i64, ptr %10, align 8, !tbaa !8
  %62 = sub nsw i64 %61, 1
  store i64 %62, ptr %9, align 8, !tbaa !8
  br label %63

63:                                               ; preds = %60, %57
  br label %44, !llvm.loop !13

64:                                               ; preds = %44
  br label %65

65:                                               ; preds = %70, %64
  %66 = load i64, ptr %5, align 8, !tbaa !8
  %67 = load i64, ptr %6, align 8, !tbaa !8
  %68 = load i64, ptr %10, align 8, !tbaa !8
  %69 = call noundef zeroext i1 @_Z5worksxxx(i64 noundef %66, i64 noundef %67, i64 noundef %68)
  br i1 %69, label %70, label %73

70:                                               ; preds = %65
  %71 = load i64, ptr %10, align 8, !tbaa !8
  %72 = add nsw i64 %71, 1
  store i64 %72, ptr %10, align 8, !tbaa !8
  br label %65, !llvm.loop !14

73:                                               ; preds = %65
  br label %74

74:                                               ; preds = %80, %73
  %75 = load i64, ptr %5, align 8, !tbaa !8
  %76 = load i64, ptr %6, align 8, !tbaa !8
  %77 = load i64, ptr %10, align 8, !tbaa !8
  %78 = call noundef zeroext i1 @_Z5worksxxx(i64 noundef %75, i64 noundef %76, i64 noundef %77)
  %79 = xor i1 %78, true
  br i1 %79, label %80, label %83

80:                                               ; preds = %74
  %81 = load i64, ptr %10, align 8, !tbaa !8
  %82 = add nsw i64 %81, -1
  store i64 %82, ptr %10, align 8, !tbaa !8
  br label %74, !llvm.loop !15

83:                                               ; preds = %74
  %84 = load i64, ptr %10, align 8, !tbaa !8
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %84)
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %87

87:                                               ; preds = %83
  %88 = load i64, ptr %3, align 8, !tbaa !8
  %89 = add nsw i64 %88, 1
  store i64 %89, ptr %3, align 8, !tbaa !8
  br label %18, !llvm.loop !16

90:                                               ; preds = %22
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %91 = load i32, ptr %1, align 4
  ret i32 %91
}

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)) #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #1 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) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !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}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


; 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"

%"struct.std::pair" = type { i64, i64 }
%"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" }

@lr = external dso_local global [200000 x %"struct.std::pair"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5worksxxx(i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #1

; 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 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %5 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %6 = getelementptr i8, ptr %5, i64 -24
  %7 = load i64, ptr %6, align 8
  %8 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %7
  %9 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %8, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %10 = 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)
  %11 = load i64, ptr %1, align 8, !tbaa !8
  %.not30 = icmp slt i64 %11, 1
  br i1 %.not30, label %._crit_edge, label %.lr.ph32

._crit_edge:                                      ; preds = %39, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

.lr.ph32:                                         ; preds = %0, %39
  %.02431 = phi i64 [ %42, %39 ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %12 = 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)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %14 = load i64, ptr %2, align 8, !tbaa !8
  %15 = icmp sgt i64 %14, 0
  br i1 %15, label %.lr.ph, label %.preheader26.preheader

.lr.ph:                                           ; preds = %.lr.ph32, %.lr.ph
  %.02327 = phi i64 [ %20, %.lr.ph ], [ 0, %.lr.ph32 ]
  %16 = getelementptr inbounds [200000 x %"struct.std::pair"], ptr @lr, i64 0, i64 %.02327
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %16)
  %18 = getelementptr inbounds i8, ptr %16, i64 8
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 8 dereferenceable(8) %18)
  %20 = add nuw nsw i64 %.02327, 1
  %21 = load i64, ptr %2, align 8, !tbaa !8
  %22 = icmp slt i64 %20, %21
  br i1 %22, label %.lr.ph, label %.preheader26.preheader, !llvm.loop !11

.preheader26.preheader:                           ; preds = %.lr.ph, %.lr.ph32
  br label %.preheader26

.preheader26:                                     ; preds = %.preheader26.preheader, %.preheader26
  %.01929 = phi i64 [ %.120, %.preheader26 ], [ 1000000000, %.preheader26.preheader ]
  %.02128 = phi i64 [ %.122, %.preheader26 ], [ 0, %.preheader26.preheader ]
  %23 = add nsw i64 %.01929, %.02128
  %24 = sdiv i64 %23, 2
  %25 = load i64, ptr %2, align 8, !tbaa !8
  %26 = load i64, ptr %3, align 8, !tbaa !8
  %27 = call noundef zeroext i1 @_Z5worksxxx(i64 noundef %25, i64 noundef %26, i64 noundef %24)
  %28 = add nsw i64 %24, 1
  %29 = add nsw i64 %24, -1
  %.122 = select i1 %27, i64 %28, i64 %.02128
  %.120 = select i1 %27, i64 %.01929, i64 %29
  %30 = icmp slt i64 %.122, %.120
  br i1 %30, label %.preheader26, label %.preheader25, !llvm.loop !13

.preheader25:                                     ; preds = %.preheader26, %.preheader25
  %.1 = phi i64 [ %34, %.preheader25 ], [ %24, %.preheader26 ]
  %31 = load i64, ptr %2, align 8, !tbaa !8
  %32 = load i64, ptr %3, align 8, !tbaa !8
  %33 = call noundef zeroext i1 @_Z5worksxxx(i64 noundef %31, i64 noundef %32, i64 noundef %.1)
  %34 = add nsw i64 %.1, 1
  br i1 %33, label %.preheader25, label %.preheader, !llvm.loop !14

.preheader:                                       ; preds = %.preheader25, %.preheader
  %.2 = phi i64 [ %38, %.preheader ], [ %.1, %.preheader25 ]
  %35 = load i64, ptr %2, align 8, !tbaa !8
  %36 = load i64, ptr %3, align 8, !tbaa !8
  %37 = call noundef zeroext i1 @_Z5worksxxx(i64 noundef %35, i64 noundef %36, i64 noundef %.2)
  %38 = add nsw i64 %.2, -1
  br i1 %37, label %39, label %.preheader, !llvm.loop !15

39:                                               ; preds = %.preheader
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.2)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %42 = add nuw nsw i64 %.02431, 1
  %43 = load i64, ptr %1, align 8, !tbaa !8
  %.not.not = icmp slt i64 %.02431, %43
  br i1 %.not.not, label %.lr.ph32, label %._crit_edge, !llvm.loop !16
}

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 #1 align 2

; 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 #1 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 #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !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}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


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