; LLVM IR from cruppstahl/upscaledb :: tools/ups_bench/generator_parser.ll (ZN15ParserGenerator9read_fileEv)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%class.Generator = type <{ ptr, i32, [4 x i8], ptr, ptr, i32, [4 x i8], %struct.ups_record_t, ptr, [4 x i32], i8, [7 x i8] }>
%struct.ups_record_t = type { i32, ptr, i32 }
%struct.Configuration = type <{ i8, [3 x i8], i32, i8, i8, i8, [5 x i8], %"class.std::__cxx11::basic_string", i8, [3 x i8], i32, i32, i32, i8, [3 x i8], i32, i64, i64, i64, i64, i32, i8, [3 x i8], i32, i32, i32, i32, i8, i8, [2 x i8], i32, i8, [3 x i8], i32, i8, i8, i8, i8, i8, [3 x i8], i32, i32, i32, i8, i8, i8, i8, i32, i32, %"class.std::__cxx11::basic_string", i32, i32, i32, i8, i8, [2 x i8], i32, i32, i32, i8, i8, i8, i8, i32, i8, i8, [2 x i8] }>
%class.ParserGenerator = type { %class.Generator.base, ptr, ptr, ptr, i8, %struct.Metrics, %"class.std::vector", i32, %struct.Timer, i32, ptr, %"class.std::vector" }
%class.Generator.base = type <{ ptr, i32, [4 x i8], ptr, ptr, i32, [4 x i8], %struct.ups_record_t, ptr, [4 x i32], i8 }>
%struct.Metrics = type { ptr, i64, i64, i64, i64, i64, i64, i64, double, double, double, double, double, double, double, double, double, double, double, double, double, %struct.ups_env_metrics_t }
%struct.ups_env_metrics_t = type { i16, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, %struct.btree_metrics_t, %struct.btree_metrics_t, i32 }
%struct.btree_metrics_t = type { i16, i64, i64, i64, i32, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t, %struct.min_max_avg_u32_t }
%struct.min_max_avg_u32_t = type { i32, i32, i32, i32, i32 }
%struct.Timer = type { %"class.boost::chrono::time_point" }
%"class.boost::chrono::time_point" = type { %"class.boost::chrono::duration" }
%"class.boost::chrono::duration" = type { i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str.13 = external hidden unnamed_addr constant [9 x i8], align 1
@stdin = external global ptr, align 8
@.str.33 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.34 = external hidden unnamed_addr constant [19 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

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15ParserGenerator9read_fileEv(ptr noundef nonnull align 8 dereferenceable(1040) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca [16384 x i8], align 16
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %11 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %12 = load ptr, ptr @stdin, align 8, !tbaa !5
  store ptr %12, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %class.Generator, ptr %11, i32 0, i32 3
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.Configuration, ptr %14, i32 0, i32 7
  %16 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  br i1 %16, label %23, label %17

17:                                               ; preds = %1
  %18 = getelementptr inbounds %class.Generator, ptr %11, i32 0, i32 3
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.Configuration, ptr %19, i32 0, i32 7
  %21 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %20) #6
  %22 = call noalias ptr @fopen(ptr noundef %21, ptr noundef @.str.33)
  store ptr %22, ptr %3, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %17, %1
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = icmp ne ptr %24, null
  br i1 %25, label %36, label %26

26:                                               ; preds = %23
  br label %27

27:                                               ; preds = %26
  %28 = call i32 (ptr, ...) @printf(ptr noundef @.str.13)
  %29 = getelementptr inbounds %class.Generator, ptr %11, i32 0, i32 3
  %30 = load ptr, ptr %29, align 8, !tbaa !9
  %31 = getelementptr inbounds %struct.Configuration, ptr %30, i32 0, i32 7
  %32 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %31) #6
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str.34, ptr noundef %32)
  br label %34

34:                                               ; preds = %27
  br label %35

35:                                               ; preds = %34
  call void @exit(i32 noundef -1) #7
  unreachable

36:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 16384, ptr %4) #6
  br label %37

37:                                               ; preds = %56, %36
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = call i32 @feof(ptr noundef %38) #6
  %40 = icmp ne i32 %39, 0
  %41 = xor i1 %40, true
  br i1 %41, label %42, label %66

42:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %43 = getelementptr inbounds [16384 x i8], ptr %4, i64 0, i64 0
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = call ptr @fgets(ptr noundef %43, i32 noundef 16384, ptr noundef %44)
  store ptr %45, ptr %5, align 8, !tbaa !5
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = icmp ne ptr %46, null
  br i1 %47, label %49, label %48

48:                                               ; preds = %42
  store i32 5, ptr %6, align 4
  br label %54

49:                                               ; preds = %42
  %50 = getelementptr inbounds %class.ParserGenerator, ptr %11, i32 0, i32 6
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #6
  %51 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef %51, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %52 unwind label %57

52:                                               ; preds = %49
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %50, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %53 unwind label %61

53:                                               ; preds = %52
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  store i32 0, ptr %6, align 4
  br label %54

54:                                               ; preds = %53, %48
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  %55 = load i32, ptr %6, align 4
  switch i32 %55, label %79 [
    i32 0, label %56
    i32 5, label %66
  ]

56:                                               ; preds = %54
  br label %37, !llvm.loop !14

57:                                               ; preds = %49
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %9, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %10, align 4
  br label %65

61:                                               ; preds = %52
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %9, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  br label %65

65:                                               ; preds = %61, %57
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 16384, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %74

66:                                               ; preds = %54, %37
  %67 = load ptr, ptr %3, align 8, !tbaa !5
  %68 = load ptr, ptr @stdin, align 8, !tbaa !5
  %69 = icmp ne ptr %67, %68
  br i1 %69, label %70, label %73

70:                                               ; preds = %66
  %71 = load ptr, ptr %3, align 8, !tbaa !5
  %72 = call i32 @fclose(ptr noundef %71)
  br label %73

73:                                               ; preds = %70, %66
  call void @llvm.lifetime.end.p0(i64 16384, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  ret void

74:                                               ; preds = %65
  %75 = load ptr, ptr %9, align 8
  %76 = load i32, ptr %10, align 4
  %77 = insertvalue { ptr, i32 } poison, ptr %75, 0
  %78 = insertvalue { ptr, i32 } %77, i32 %76, 1
  resume { ptr, i32 } %78

79:                                               ; preds = %54
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #4

declare noalias ptr @fopen(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind
declare i32 @feof(ptr noundef) #5

declare ptr @fgets(ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

declare i32 @fclose(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = { noreturn 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 #5 = { 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 #6 = { nounwind }
attributes #7 = { noreturn 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 16}
!10 = !{!"_ZTS9Generator", !11, i64 8, !6, i64 16, !6, i64 24, !11, i64 32, !12, i64 40, !6, i64 64, !7, i64 72, !13, i64 88}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS12ups_record_t", !11, i64 0, !6, i64 8, !11, i64 16}
!13 = !{!"bool", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@.str.13 = external hidden unnamed_addr constant [9 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.33 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.34 = external hidden unnamed_addr constant [19 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

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15ParserGenerator9read_fileEv(ptr noundef nonnull align 8 dereferenceable(1040) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca [16384 x i8], align 16
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = load ptr, ptr @stdin, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = getelementptr inbounds i8, ptr %7, i64 16
  %9 = tail call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  br i1 %9, label %15, label %10

10:                                               ; preds = %1
  %11 = load ptr, ptr %6, align 8, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %11, i64 16
  %13 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %12) #5
  %14 = tail call noalias ptr @fopen(ptr noundef %13, ptr noundef nonnull @.str.33)
  br label %15

15:                                               ; preds = %10, %1
  %.012 = phi ptr [ %5, %1 ], [ %14, %10 ]
  %.not = icmp eq ptr %.012, null
  br i1 %.not, label %16, label %22

16:                                               ; preds = %15
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.13)
  %18 = load ptr, ptr %6, align 8, !tbaa !9
  %19 = getelementptr inbounds i8, ptr %18, i64 16
  %20 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %19) #5
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.34, ptr noundef %20)
  tail call void @exit(i32 noundef -1) #6
  unreachable

22:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 16384, ptr nonnull %2) #5
  %23 = tail call i32 @feof(ptr noundef nonnull %.012) #5
  %.not1420 = icmp eq i32 %23, 0
  br i1 %.not1420, label %.lr.ph, label %.thread

.lr.ph:                                           ; preds = %22
  %24 = getelementptr inbounds i8, ptr %0, i64 960
  br label %25

25:                                               ; preds = %.lr.ph, %29
  %26 = call ptr @fgets(ptr noundef nonnull %2, i32 noundef 16384, ptr noundef nonnull %.012)
  %.not15 = icmp eq ptr %26, null
  br i1 %.not15, label %.thread, label %27

27:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull %26, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %28 unwind label %31

28:                                               ; preds = %27
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %29 unwind label %33

29:                                               ; preds = %28
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %30 = call i32 @feof(ptr noundef nonnull %.012) #5
  %.not14 = icmp eq i32 %30, 0
  br i1 %.not14, label %25, label %.thread

31:                                               ; preds = %27
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %35

33:                                               ; preds = %28
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br label %35

35:                                               ; preds = %33, %31
  %.pn = phi { ptr, i32 } [ %34, %33 ], [ %32, %31 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 16384, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn

.thread:                                          ; preds = %29, %25, %22
  %36 = load ptr, ptr @stdin, align 8, !tbaa !5
  %.not17 = icmp eq ptr %.012, %36
  br i1 %.not17, label %39, label %37

37:                                               ; preds = %.thread
  %38 = call i32 @fclose(ptr noundef nonnull %.012)
  br label %39

39:                                               ; preds = %37, %.thread
  call void @llvm.lifetime.end.p0(i64 16384, ptr nonnull %2) #5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @feof(ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef ptr @fgets(ptr noundef, i32 noundef, ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = { nofree 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 = { noreturn 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 #5 = { nounwind }
attributes #6 = { noreturn 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 16}
!10 = !{!"_ZTS9Generator", !11, i64 8, !6, i64 16, !6, i64 24, !11, i64 32, !12, i64 40, !6, i64 64, !7, i64 72, !13, i64 88}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS12ups_record_t", !11, i64 0, !6, i64 8, !11, i64 16}
!13 = !{!"bool", !7, i64 0}


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