; LLVM IR from gulrak/filesystem :: test/filesystem_test.ll (ZN5Catch17cleanupSingletonsEv)

; 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.__gnu_cxx::__normal_iterator.240" = 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: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Catch17cleanupSingletonsEv() #2 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.240", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.240", align 8
  %5 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #5
  %6 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Catch12_GLOBAL__N_113getSingletonsEv()
  store ptr %6, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %8, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = call ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %11 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.240", ptr %3, i32 0, i32 0
  store ptr %10, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = call ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  %14 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.240", ptr %4, i32 0, i32 0
  store ptr %13, ptr %14, align 8
  br label %15

15:                                               ; preds = %28, %0
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br i1 %16, label %18, label %17

17:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %30

18:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %20 = load ptr, ptr %19, align 8, !tbaa !5
  store ptr %20, ptr %5, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = icmp eq ptr %21, null
  br i1 %22, label %27, label %23

23:                                               ; preds = %18
  %24 = load ptr, ptr %21, align 8, !tbaa !9
  %25 = getelementptr inbounds ptr, ptr %24, i64 1
  %26 = load ptr, ptr %25, align 8
  call void %26(ptr noundef nonnull align 8 dereferenceable(8) %21) #5
  br label %27

27:                                               ; preds = %23, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %28

28:                                               ; preds = %27
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br label %15

30:                                               ; preds = %17
  %31 = load ptr, ptr %1, align 8, !tbaa !5
  %32 = load ptr, ptr %31, align 8, !tbaa !5
  %33 = icmp eq ptr %32, null
  br i1 %33, label %35, label %34

34:                                               ; preds = %30
  call void @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %32) #5
  call void @_ZdlPvm(ptr noundef %32, i64 noundef 24) #6
  br label %35

35:                                               ; preds = %34, %30
  %36 = load ptr, ptr %1, align 8, !tbaa !5
  store ptr null, ptr %36, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  ret void
}

; Function Attrs: mustprogress uwtable
declare hidden noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Catch12_GLOBAL__N_113getSingletonsEv() #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nobuiltin 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 #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 = { 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 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 = { nounwind }
attributes #6 = { builtin 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 = !{!"vtable pointer", !8, i64 0}


; 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.__gnu_cxx::__normal_iterator.240" = 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: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Catch17cleanupSingletonsEv() local_unnamed_addr #2 {
  %1 = alloca %"class.__gnu_cxx::__normal_iterator.240", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator.240", align 8
  %3 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Catch12_GLOBAL__N_113getSingletonsEv()
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %5 = tail call ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  store ptr %5, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %6 = tail call ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  store ptr %6, ptr %2, align 8
  %7 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %17, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %21, label %20

.lr.ph:                                           ; preds = %0, %17
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #5
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %17, label %13

13:                                               ; preds = %.lr.ph
  %14 = load ptr, ptr %11, align 8, !tbaa !9
  %15 = getelementptr inbounds i8, ptr %14, i64 8
  %16 = load ptr, ptr %15, align 8
  call void %16(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  br label %17

17:                                               ; preds = %13, %.lr.ph
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #5
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  br i1 %19, label %.lr.ph, label %._crit_edge

20:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @_ZdlPvm(ptr noundef nonnull %8, i64 noundef 24) #6
  br label %21

21:                                               ; preds = %20, %._crit_edge
  store ptr null, ptr %3, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress uwtable
declare hidden noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Catch12_GLOBAL__N_113getSingletonsEv() local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), 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 @_ZNK9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN5Catch10ISingletonESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN5Catch10ISingletonESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nobuiltin 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 #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 = { 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 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 = { nounwind }
attributes #6 = { builtin 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 = !{!"vtable pointer", !8, i64 0}


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