; LLVM IR from JanaSabuj/cppdump :: LIS.ll (Z6lenLISRKSt6vectorIxSaIxEE)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.6" = type { ptr }

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z6lenLISRKSt6vectorIxSaIxEE(ptr noundef nonnull align 8 dereferenceable(24) %0) #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  store i64 %16, ptr %4, align 8, !tbaa !9
  %17 = load i64, ptr %4, align 8, !tbaa !9
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %1
  store i64 0, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %86

20:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %21, i64 noundef 0) #5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %22)
          to label %23 unwind label %29

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, align 8, !tbaa !9
  br label %24

24:                                               ; preds = %79, %23
  %25 = load i64, ptr %9, align 8, !tbaa !9
  %26 = load i64, ptr %4, align 8, !tbaa !9
  %27 = icmp slt i64 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %24
  store i32 2, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %83

29:                                               ; preds = %20
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %7, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %8, align 4
  br label %85

33:                                               ; preds = %24
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %35 = load i64, ptr %34, align 8, !tbaa !9
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = load i64, ptr %9, align 8, !tbaa !9
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %36, i64 noundef %37) #5
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = icmp slt i64 %35, %39
  br i1 %40, label %41, label %50

41:                                               ; preds = %33
  %42 = load ptr, ptr %3, align 8, !tbaa !5
  %43 = load i64, ptr %9, align 8, !tbaa !9
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %42, i64 noundef %43) #5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %44)
          to label %45 unwind label %46

45:                                               ; preds = %41
  br label %78

46:                                               ; preds = %41
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %7, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %8, align 4
  br label %82

50:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %51 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %52 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %12, i32 0, i32 0
  store ptr %51, ptr %52, align 8
  %53 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %54 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %13, i32 0, i32 0
  store ptr %53, ptr %54, align 8
  %55 = load ptr, ptr %3, align 8, !tbaa !5
  %56 = load i64, ptr %9, align 8, !tbaa !9
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %55, i64 noundef %56) #5
  %58 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %12, i32 0, i32 0
  %59 = load ptr, ptr %58, align 8
  %60 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %13, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8
  %62 = invoke ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET_S7_S7_RKT0_(ptr %59, ptr %61, ptr noundef nonnull align 8 dereferenceable(8) %57)
          to label %63 unwind label %74

63:                                               ; preds = %50
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %11, i32 0, i32 0
  store ptr %62, ptr %64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %65 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %66 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %14, i32 0, i32 0
  store ptr %65, ptr %66, align 8
  %67 = call noundef i64 @_ZN9__gnu_cxxmiIPxSt6vectorIxSaIxEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  store i64 %67, ptr %10, align 8, !tbaa !9
  %68 = load ptr, ptr %3, align 8, !tbaa !5
  %69 = load i64, ptr %9, align 8, !tbaa !9
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %68, i64 noundef %69) #5
  %71 = load i64, ptr %70, align 8, !tbaa !9
  %72 = load i64, ptr %10, align 8, !tbaa !9
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %72) #5
  store i64 %71, ptr %73, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %78

74:                                               ; preds = %50
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %7, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %82

78:                                               ; preds = %63, %45
  br label %79

79:                                               ; preds = %78
  %80 = load i64, ptr %9, align 8, !tbaa !9
  %81 = add nsw i64 %80, 1
  store i64 %81, ptr %9, align 8, !tbaa !9
  br label %24, !llvm.loop !11

82:                                               ; preds = %74, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %85

83:                                               ; preds = %28
  %84 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  store i64 %84, ptr %2, align 8
  store i32 1, ptr %5, align 4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  br label %86

85:                                               ; preds = %82, %29
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %88

86:                                               ; preds = %83, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  %87 = load i64, ptr %2, align 8
  ret i64 %87

88:                                               ; preds = %85
  %89 = load ptr, ptr %7, align 8
  %90 = load i32, ptr %8, align 4
  %91 = insertvalue { ptr, i32 } poison, ptr %89, 0
  %92 = insertvalue { ptr, i32 } %91, i32 %90, 1
  resume { ptr, i32 } %92
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9__gnu_cxxmiIPxSt6vectorIxSaIxEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

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 = { 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 #4 = { 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 #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.6" = type { ptr }

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z6lenLISRKSt6vectorIxSaIxEE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %5 = tail call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %6 = icmp eq i64 %5, 0
  br i1 %6, label %38, label %7

7:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %.preheader unwind label %11

.preheader:                                       ; preds = %7
  %9 = icmp sgt i64 %5, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %35, %.preheader
  %10 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  br label %38

11:                                               ; preds = %7
  %12 = landingpad { ptr, i32 }
          cleanup
  br label %37

.lr.ph:                                           ; preds = %.preheader, %35
  %.01925 = phi i64 [ %36, %35 ], [ 0, %.preheader ]
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %14 = load i64, ptr %13, align 8, !tbaa !5
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01925) #5
  %16 = load i64, ptr %15, align 8, !tbaa !5
  %17 = icmp slt i64 %14, %16
  br i1 %17, label %18, label %22

18:                                               ; preds = %.lr.ph
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01925) #5
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %35 unwind label %20

20:                                               ; preds = %18
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %37

22:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %23 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %24 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01925) #5
  %26 = invoke ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET_S7_S7_RKT0_(ptr %23, ptr %24, ptr noundef nonnull align 8 dereferenceable(8) %25)
          to label %27 unwind label %33

27:                                               ; preds = %22
  store ptr %26, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %28 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  store ptr %28, ptr %4, align 8
  %29 = call noundef i64 @_ZN9__gnu_cxxmiIPxSt6vectorIxSaIxEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01925) #5
  %31 = load i64, ptr %30, align 8, !tbaa !5
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %29) #5
  store i64 %31, ptr %32, align 8, !tbaa !5
  br label %35

33:                                               ; preds = %22
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br label %37

35:                                               ; preds = %27, %18
  %36 = add nuw nsw i64 %.01925, 1
  %exitcond.not = icmp eq i64 %36, %5
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

37:                                               ; preds = %20, %33, %11
  %.pn.pn = phi { ptr, i32 } [ %12, %11 ], [ %21, %20 ], [ %34, %33 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn.pn

38:                                               ; preds = %1, %._crit_edge
  %.0 = phi i64 [ %10, %._crit_edge ], [ 0, %1 ]
  ret i64 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9__gnu_cxxmiIPxSt6vectorIxSaIxEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11lower_boundIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

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 = { 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 #4 = { 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 #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long long", !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,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass