; LLVM IR from openai/procgen :: procgen/src/randgen.ll (ZN7RandGen8choose_nERKSt6vectorIiSaIiEEi)

; 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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = 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 uwtable
declare dso_local noundef i32 @_ZN7RandGen5randnEi(ptr noundef nonnull align 8 dereferenceable(5001), i32 noundef) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7RandGen8choose_nERKSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(5001) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef %3) #1 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca ptr, align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca i32, align 4
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i32 %3, ptr %8, align 4, !tbaa !9
  %23 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #4
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #4
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %24, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %25 = load ptr, ptr %11, align 8, !tbaa !5
  %26 = call ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %28 = load ptr, ptr %11, align 8, !tbaa !5
  %29 = call ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #4
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  br label %31

31:                                               ; preds = %38, %4
  %32 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br i1 %32, label %34, label %33

33:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br label %44

34:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  %36 = load i32, ptr %35, align 4, !tbaa !9
  store i32 %36, ptr %14, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %37 unwind label %40

37:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %38

38:                                               ; preds = %37
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  br label %31

40:                                               ; preds = %34
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %15, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br label %88

44:                                               ; preds = %33
  %45 = load i32, ptr %8, align 4, !tbaa !9
  %46 = load ptr, ptr %7, align 8, !tbaa !5
  %47 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #4
  %48 = trunc i64 %47 to i32
  %49 = icmp sgt i32 %45, %48
  br i1 %49, label %50, label %51

50:                                               ; preds = %44
  call void @_ZNSt6vectorIiSaIiEEC2EOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  store i32 1, ptr %17, align 4
  br label %87

51:                                               ; preds = %44
  br label %52

52:                                               ; preds = %75, %51
  %53 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  %54 = trunc i64 %53 to i32
  %55 = load i32, ptr %8, align 4, !tbaa !9
  %56 = icmp slt i32 %54, %55
  br i1 %56, label %57, label %86

57:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #4
  %58 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  %59 = trunc i64 %58 to i32
  %60 = invoke noundef i32 @_ZN7RandGen5randnEi(ptr noundef nonnull align 8 dereferenceable(5001) %23, i32 noundef %59)
          to label %61 unwind label %77

61:                                               ; preds = %57
  store i32 %60, ptr %18, align 4, !tbaa !9
  %62 = load i32, ptr %18, align 4, !tbaa !9
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %63) #4
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 4 dereferenceable(4) %64)
          to label %65 unwind label %77

65:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %66 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %21, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  %68 = load i32, ptr %18, align 4, !tbaa !9
  %69 = sext i32 %68 to i64
  %70 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %21, i64 noundef %69) #4
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %20, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull align 8 dereferenceable(8) %20) #4
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8
  %74 = invoke ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr %73)
          to label %75 unwind label %81

75:                                               ; preds = %65
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %22, i32 0, i32 0
  store ptr %74, ptr %76, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  br label %52, !llvm.loop !11

77:                                               ; preds = %61, %57
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %15, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %16, align 4
  br label %85

81:                                               ; preds = %65
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %15, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  br label %85

85:                                               ; preds = %81, %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  br label %88

86:                                               ; preds = %52
  call void @_ZNSt6vectorIiSaIiEEC2EOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  store i32 1, ptr %17, align 4
  br label %87

87:                                               ; preds = %86, %50
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #4
  ret void

88:                                               ; preds = %85, %40
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #4
  br label %89

89:                                               ; preds = %88
  %90 = load ptr, ptr %15, align 8
  %91 = load i32, ptr %16, align 4
  %92 = insertvalue { ptr, i32 } poison, ptr %90, 0
  %93 = insertvalue { ptr, i32 } %92, i32 %91, 1
  resume { ptr, i32 } %93
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 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 = { 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 #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 = { 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 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = 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 uwtable
declare dso_local noundef i32 @_ZN7RandGen5randnEi(ptr noundef nonnull align 8 dereferenceable(5001), i32 noundef) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7RandGen8choose_nERKSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(5001) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef %3) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %13 = call ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  store ptr %13, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %14 = call ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  store ptr %14, ptr %8, align 8
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %24, %4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  %16 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  %17 = trunc i64 %16 to i32
  %18 = icmp slt i32 %17, %3
  br i1 %18, label %._crit_edge16, label %.preheader

.preheader:                                       ; preds = %._crit_edge
  %19 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  %20 = trunc i64 %19 to i32
  %21 = icmp slt i32 %20, %3
  br i1 %21, label %.lr.ph15, label %._crit_edge16

.lr.ph:                                           ; preds = %4, %24
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %23 = load i32, ptr %22, align 4, !tbaa !5
  store i32 %23, ptr %9, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %24 unwind label %27

24:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %26 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %26, label %.lr.ph, label %._crit_edge

27:                                               ; preds = %.lr.ph
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br label %48

.lr.ph15:                                         ; preds = %.preheader, %40
  %29 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  %30 = trunc i64 %29 to i32
  %31 = invoke noundef i32 @_ZN7RandGen5randnEi(ptr noundef nonnull align 8 dereferenceable(5001) %1, i32 noundef %30)
          to label %32 unwind label %44

32:                                               ; preds = %.lr.ph15
  %33 = sext i32 %31 to i64
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %33) #4
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %34)
          to label %35 unwind label %44

35:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  %36 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  store ptr %36, ptr %12, align 8
  %37 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %12, i64 noundef %33) #4
  store ptr %37, ptr %11, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  %38 = load ptr, ptr %10, align 8
  %39 = invoke ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr %38)
          to label %40 unwind label %46

40:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  %41 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  %42 = trunc i64 %41 to i32
  %43 = icmp slt i32 %42, %3
  br i1 %43, label %.lr.ph15, label %._crit_edge16, !llvm.loop !9

44:                                               ; preds = %32, %.lr.ph15
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %48

46:                                               ; preds = %35
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br label %48

._crit_edge16:                                    ; preds = %40, %.preheader, %._crit_edge
  %.sink = phi ptr [ %6, %._crit_edge ], [ %5, %.preheader ], [ %5, %40 ]
  call void @_ZNSt6vectorIiSaIiEEC2EOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %.sink) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  ret void

48:                                               ; preds = %44, %46, %27
  %.pn13 = phi { ptr, i32 } [ %28, %27 ], [ %47, %46 ], [ %45, %44 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  resume { ptr, i32 } %.pn13
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 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 = { 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 #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 = { 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 = !{!"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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass