; LLVM IR from nragland37/cpp-projects :: programming-II/09-fstream-autoUpdate (translateTest)

; 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_ostream" = type { ptr, %"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_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"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.0 }
%union.anon.0 = type { i32 }
%struct.Person = type { [20 x i8], double, %struct.Date }
%struct.Date = type { i32, i32, i32 }

@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.14 = external hidden unnamed_addr constant [28 x i8], align 1

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

declare i32 @__gxx_personality_v0(...)

; 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
define dso_local noundef ptr @_Z11readTestersRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 4 dereferenceable(4) %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::basic_ifstream", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  store ptr null, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 520, ptr %6) #7
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %6, ptr noundef nonnull align 8 dereferenceable(32) %10, i32 noundef 8)
  %11 = invoke noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %6)
          to label %12 unwind label %34

12:                                               ; preds = %2
  br i1 %11, label %13, label %95

13:                                               ; preds = %12
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %16 unwind label %34

16:                                               ; preds = %13
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %18 unwind label %34

18:                                               ; preds = %16
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = load i32, ptr %19, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %21, i64 48)
  %23 = extractvalue { i64, i1 } %22, 1
  %24 = extractvalue { i64, i1 } %22, 0
  %25 = select i1 %23, i64 -1, i64 %24
  %26 = invoke noalias noundef nonnull ptr @_Znam(i64 noundef %25) #8
          to label %27 unwind label %34

27:                                               ; preds = %18
  store ptr %26, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %86, %27
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = icmp slt i32 %29, %31
  br i1 %32, label %38, label %33

33:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %93

34:                                               ; preds = %95, %93, %18, %16, %13, %2
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %7, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %8, align 4
  br label %100

38:                                               ; preds = %28
  %39 = load ptr, ptr %5, align 8, !tbaa !5
  %40 = load i32, ptr %9, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds %struct.Person, ptr %39, i64 %41
  %43 = getelementptr inbounds %struct.Person, ptr %42, i32 0, i32 0
  %44 = getelementptr inbounds [20 x i8], ptr %43, i64 0, i64 0
  %45 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7getlineEPcl(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef %44, i64 noundef 20)
          to label %46 unwind label %89

46:                                               ; preds = %38
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = load i32, ptr %9, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds %struct.Person, ptr %47, i64 %49
  %51 = getelementptr inbounds %struct.Person, ptr %50, i32 0, i32 1
  %52 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(8) %51)
          to label %53 unwind label %89

53:                                               ; preds = %46
  %54 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %55 unwind label %89

55:                                               ; preds = %53
  %56 = load ptr, ptr %5, align 8, !tbaa !5
  %57 = load i32, ptr %9, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds %struct.Person, ptr %56, i64 %58
  %60 = getelementptr inbounds %struct.Person, ptr %59, i32 0, i32 2
  %61 = getelementptr inbounds %struct.Date, ptr %60, i32 0, i32 0
  %62 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %61)
          to label %63 unwind label %89

63:                                               ; preds = %55
  %64 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %65 unwind label %89

65:                                               ; preds = %63
  %66 = load ptr, ptr %5, align 8, !tbaa !5
  %67 = load i32, ptr %9, align 4, !tbaa !9
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds %struct.Person, ptr %66, i64 %68
  %70 = getelementptr inbounds %struct.Person, ptr %69, i32 0, i32 2
  %71 = getelementptr inbounds %struct.Date, ptr %70, i32 0, i32 1
  %72 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %71)
          to label %73 unwind label %89

73:                                               ; preds = %65
  %74 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %75 unwind label %89

75:                                               ; preds = %73
  %76 = load ptr, ptr %5, align 8, !tbaa !5
  %77 = load i32, ptr %9, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds %struct.Person, ptr %76, i64 %78
  %80 = getelementptr inbounds %struct.Person, ptr %79, i32 0, i32 2
  %81 = getelementptr inbounds %struct.Date, ptr %80, i32 0, i32 2
  %82 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %81)
          to label %83 unwind label %89

83:                                               ; preds = %75
  %84 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %85 unwind label %89

85:                                               ; preds = %83
  br label %86

86:                                               ; preds = %85
  %87 = load i32, ptr %9, align 4, !tbaa !9
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %9, align 4, !tbaa !9
  br label %28, !llvm.loop !11

89:                                               ; preds = %83, %75, %73, %65, %63, %55, %53, %46, %38
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %7, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %100

93:                                               ; preds = %33
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256) %6)
          to label %94 unwind label %34

94:                                               ; preds = %93
  br label %98

95:                                               ; preds = %12
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.14)
          to label %97 unwind label %34

97:                                               ; preds = %95
  br label %98

98:                                               ; preds = %97, %94
  %99 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %6) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  ret ptr %99

100:                                              ; preds = %89, %34
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %6) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  br label %101

101:                                              ; preds = %100
  %102 = load ptr, ptr %7, align 8
  %103 = load i32, ptr %8, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105
}

; 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) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16)) #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) #4 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)) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #6

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7getlineEPcl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

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 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nobuiltin allocsize(0) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"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_ostream" = type { ptr, %"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_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"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.0 }
%union.anon.0 = type { i32 }
%struct.Person = type { [20 x i8], double, %struct.Date }
%struct.Date = type { i32, i32, i32 }

@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.14 = external hidden unnamed_addr constant [28 x i8], align 1

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

declare i32 @__gxx_personality_v0(...)

; 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
define dso_local noundef ptr @_Z11readTestersRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 4 dereferenceable(4) %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::basic_ifstream", align 8
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %3) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %3, ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 8)
  %4 = call noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %3)
  br i1 %4, label %5, label %48

5:                                                ; preds = %2
  %6 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %7 unwind label %18

7:                                                ; preds = %5
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %9 unwind label %18

9:                                                ; preds = %7
  %10 = load i32, ptr %1, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %11, i64 48)
  %13 = extractvalue { i64, i1 } %12, 1
  %14 = extractvalue { i64, i1 } %12, 0
  %15 = select i1 %13, i64 -1, i64 %14
  %16 = invoke noalias noundef nonnull ptr @_Znam(i64 noundef %15) #8
          to label %.preheader unwind label %18

.preheader:                                       ; preds = %9
  %17 = icmp sgt i32 %10, 0
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %42, %.preheader
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256) %3)
          to label %50 unwind label %18

18:                                               ; preds = %48, %._crit_edge, %9, %7, %5
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %51

.lr.ph:                                           ; preds = %.preheader, %42
  %indvars.iv = phi i64 [ %indvars.iv.next, %42 ], [ 0, %.preheader ]
  %20 = getelementptr inbounds %struct.Person, ptr %16, i64 %indvars.iv
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7getlineEPcl(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull %20, i64 noundef 20)
          to label %22 unwind label %46

22:                                               ; preds = %.lr.ph
  %23 = getelementptr inbounds i8, ptr %20, i64 24
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) %23)
          to label %25 unwind label %46

25:                                               ; preds = %22
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %27 unwind label %46

27:                                               ; preds = %25
  %28 = getelementptr inbounds i8, ptr %20, i64 32
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %28)
          to label %30 unwind label %46

30:                                               ; preds = %27
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %32 unwind label %46

32:                                               ; preds = %30
  %33 = getelementptr inbounds i8, ptr %20, i64 36
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %33)
          to label %35 unwind label %46

35:                                               ; preds = %32
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %37 unwind label %46

37:                                               ; preds = %35
  %38 = getelementptr inbounds i8, ptr %20, i64 40
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %38)
          to label %40 unwind label %46

40:                                               ; preds = %37
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %42 unwind label %46

42:                                               ; preds = %40
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %43 = load i32, ptr %1, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = icmp slt i64 %indvars.iv.next, %44
  br i1 %45, label %.lr.ph, label %._crit_edge, !llvm.loop !9

46:                                               ; preds = %40, %37, %35, %32, %30, %27, %25, %22, %.lr.ph
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %51

48:                                               ; preds = %2
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.14)
          to label %50 unwind label %18

50:                                               ; preds = %48, %._crit_edge
  %.020 = phi ptr [ %16, %._crit_edge ], [ null, %48 ]
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %3) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %3) #7
  ret ptr %.020

51:                                               ; preds = %46, %18
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %19, %18 ]
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %3) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %3) #7
  resume { ptr, i32 } %.pn
}

; 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 #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #4 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 #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi7getlineEPcl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

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 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nobuiltin allocsize(0) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }

!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"}


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