; LLVM IR from TLE-MEC/Hack-CP-DSA :: Hackerrank/Find the running median (solution)

; 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_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"struct.std::_Setprecision" = type { i32 }

@.str = external hidden unnamed_addr constant [12 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13runningMediandRd(double noundef, ptr noundef nonnull align 8 dereferenceable(8)) #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 norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::basic_ofstream", align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Setprecision", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 512, ptr %2) #8
  %11 = call ptr @getenv(ptr noundef @.str) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %2, ptr noundef %11, i32 noundef 16)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %13 unwind label %19

13:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #8
  store double 0.000000e+00, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %43, %13
  %15 = load i32, ptr %8, align 4, !tbaa !9
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %23, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %50

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %4, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %5, align 4
  br label %60

23:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %25 unwind label %46

25:                                               ; preds = %23
  %26 = load i32, ptr %9, align 4, !tbaa !9
  %27 = sitofp i32 %26 to double
  invoke void @_Z13runningMediandRd(double noundef %27, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %28 unwind label %46

28:                                               ; preds = %25
  %29 = invoke i32 @_ZSt12setprecisioni(i32 noundef 1)
          to label %30 unwind label %46

30:                                               ; preds = %28
  %31 = getelementptr inbounds %"struct.std::_Setprecision", ptr %10, i32 0, i32 0
  store i32 %29, ptr %31, align 4
  %32 = getelementptr inbounds %"struct.std::_Setprecision", ptr %10, i32 0, i32 0
  %33 = load i32, ptr %32, align 4
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 %33)
          to label %35 unwind label %46

35:                                               ; preds = %30
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef @_ZSt5fixedRSt8ios_base)
          to label %37 unwind label %46

37:                                               ; preds = %35
  %38 = load double, ptr %6, align 8, !tbaa !5
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %36, double noundef %38)
          to label %40 unwind label %46

40:                                               ; preds = %37
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %42 unwind label %46

42:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %8, align 4, !tbaa !9
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %8, align 4, !tbaa !9
  br label %14, !llvm.loop !11

46:                                               ; preds = %40, %37, %35, %30, %28, %25, %23
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %4, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %59

50:                                               ; preds = %18
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef @.str.3)
          to label %52 unwind label %55

52:                                               ; preds = %50
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %2)
          to label %53 unwind label %55

53:                                               ; preds = %52
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr %2) #8
  %54 = load i32, ptr %1, align 4
  ret i32 %54

55:                                               ; preds = %52, %50
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %4, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %5, align 4
  br label %59

59:                                               ; preds = %55, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  br label %60

60:                                               ; preds = %59, %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr %2) #8
  br label %61

61:                                               ; preds = %60
  %62 = load ptr, ptr %4, align 8
  %63 = load i32, ptr %5, align 4
  %64 = insertvalue { ptr, i32 } poison, ptr %62, 0
  %65 = insertvalue { ptr, i32 } %64, i32 %63, 1
  resume { ptr, i32 } %65
}

; Function Attrs: nounwind
declare ptr @getenv(ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #0 align 2

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) #0 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) #0 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

; 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) #5

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #7 align 2

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 = { nounwind "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 = { "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 = { inlinehint 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 #7 = { 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 #8 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }

@.str = external hidden unnamed_addr constant [12 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13runningMediandRd(double noundef, ptr noundef nonnull align 8 dereferenceable(8)) 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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::basic_ofstream", align 8
  %2 = alloca i32, align 4
  %3 = alloca double, align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %1) #8
  %5 = tail call ptr @getenv(ptr noundef nonnull @.str) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %1, ptr noundef %5, i32 noundef 16)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %6 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %7 unwind label %11

7:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #8
  store double 0.000000e+00, ptr %3, align 8, !tbaa !5
  %8 = load i32, ptr %2, align 4, !tbaa !9
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %27, %7
  %10 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull @.str.3)
          to label %33 unwind label %35

11:                                               ; preds = %0
  %12 = landingpad { ptr, i32 }
          cleanup
  br label %38

.lr.ph:                                           ; preds = %7, %27
  %.09 = phi i32 [ %28, %27 ], [ 0, %7 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %14 unwind label %31

14:                                               ; preds = %.lr.ph
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = sitofp i32 %15 to double
  invoke void @_Z13runningMediandRd(double noundef %16, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %17 unwind label %31

17:                                               ; preds = %14
  %18 = call i32 @_ZSt12setprecisioni(i32 noundef 1)
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 %18)
          to label %20 unwind label %31

20:                                               ; preds = %17
  %21 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
          to label %22 unwind label %31

22:                                               ; preds = %20
  %23 = load double, ptr %3, align 8, !tbaa !5
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %21, double noundef %23)
          to label %25 unwind label %31

25:                                               ; preds = %22
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %27 unwind label %31

27:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  %28 = add nuw nsw i32 %.09, 1
  %29 = load i32, ptr %2, align 4, !tbaa !9
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !11

31:                                               ; preds = %25, %22, %20, %17, %14, %.lr.ph
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  br label %37

33:                                               ; preds = %._crit_edge
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %1)
          to label %34 unwind label %35

34:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %1) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %1) #8
  ret i32 0

35:                                               ; preds = %33, %._crit_edge
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %37

37:                                               ; preds = %35, %31
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %36, %35 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  br label %38

38:                                               ; preds = %37, %11
  %.pn.pn = phi { ptr, i32 } [ %.pn, %37 ], [ %12, %11 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %1) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: nofree nounwind memory(read)
declare noundef ptr @getenv(ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #0 align 2

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 #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

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

; 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 #5

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #7 align 2

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 = { nofree nounwind memory(read) "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 = { "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 = { inlinehint 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 #7 = { 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 #8 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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