; LLVM IR from balintbalazs/B3D :: source/src/B3D_cudaCompress/profiler/profiler.ll (ZNK8Profiler9endOutputEv)

; 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"

%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%class.Profiler = type { [100 x %"struct.Profiler::sample"], %"class.std::set", i32, i32, i32, i32, i32, i64, i64, i32, i64, i64, i32, i64, i8, i64, i64, i64 }
%"struct.Profiler::sample" = type { i8, %"class.std::__cxx11::basic_string", i32, i32, i8, i64, i64, i64, i64, i64, i32, i32, i32, i32, i64 }
%"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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<IProfilerOutputHandler *, IProfilerOutputHandler *, std::_Identity<IProfilerOutputHandler *>, std::less<IProfilerOutputHandler *>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<IProfilerOutputHandler *, IProfilerOutputHandler *, std::_Identity<IProfilerOutputHandler *>, std::less<IProfilerOutputHandler *>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; 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 void @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerES4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK8Profiler9endOutputEv(ptr noundef nonnull align 8 dereferenceable(12160) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  call void @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %8 = getelementptr inbounds %class.Profiler, ptr %7, i32 0, i32 1
  %9 = call ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #4
  %10 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %4, i32 0, i32 0
  store ptr %9, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %11 = getelementptr inbounds %class.Profiler, ptr %7, i32 0, i32 1
  %12 = call ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %11) #4
  %13 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %5, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %3, ptr align 8 %5, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %14

14:                                               ; preds = %22, %1
  %15 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerES4_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %15, label %16, label %25

16:                                               ; preds = %14
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = load ptr, ptr %18, align 8, !tbaa !10
  %20 = getelementptr inbounds ptr, ptr %19, i64 6
  %21 = load ptr, ptr %20, align 8
  call void %21(ptr noundef nonnull align 8 dereferenceable(8) %18)
  br label %22

22:                                               ; preds = %16
  %23 = call ptr @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEppEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 0) #4
  %24 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %6, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  br label %14, !llvm.loop !12

25:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{i64 0, i64 8, !5}
!10 = !{!11, !11, i64 0}
!11 = !{!"vtable pointer", !8, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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"

%"struct.std::_Rb_tree_const_iterator" = 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 void @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerES4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK8Profiler9endOutputEv(ptr noundef nonnull align 8 dereferenceable(12160) %0) local_unnamed_addr #2 align 2 {
  %2 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %3 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 12000
  %5 = call ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #3
  store ptr %5, ptr %3, align 8
  %6 = call ptr @_ZNKSt3setIP22IProfilerOutputHandlerSt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #3
  store ptr %6, ptr %2, align 8, !tbaa !5
  %7 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerES4_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %7, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1, %.lr.ph
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = getelementptr inbounds i8, ptr %10, i64 48
  %12 = load ptr, ptr %11, align 8
  call void %12(ptr noundef nonnull align 8 dereferenceable(8) %9)
  %13 = call ptr @_ZNSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerEppEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 0) #3
  %14 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIP22IProfilerOutputHandlerES4_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  ret void
}

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 = { 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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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