; LLVM IR from generalized-intelligence/GAAS :: deprecated/algorithms/loop_closing/DBow3/src (BowVector)

; 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 }
%"struct.std::pair" = type { i32, double }

; 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: 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE5beginEv(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_iteratorISt4pairIKjdEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKjdEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK5DBoW39BowVector8toStreamERSo(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #3 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca %"struct.std::pair", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %11 = call noundef i64 @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %10) #5
  %12 = trunc i64 %11 to i32
  store i32 %12, ptr %5, align 4, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef %5, i64 noundef 4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store ptr %10, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %15) #5
  %17 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %7, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = call ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %18) #5
  %20 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %8, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  br label %21

21:                                               ; preds = %32, %2
  %22 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKjdEES5_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %22, label %24, label %23

23:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %34

24:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #5
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKjdEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %25, i64 16, i1 false)
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 0
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef %27, i64 noundef 4)
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8) %29, ptr noundef %30, i64 noundef 8)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  br label %32

32:                                               ; preds = %24
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKjdEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br label %21

34:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret void
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef, i64 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKjdEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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 = { "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 = !{!"int", !7, 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"

%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::pair" = type { i32, double }

; 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 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKjdEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKjdEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK5DBoW39BowVector8toStreamERSo(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) local_unnamed_addr #3 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %7 = tail call noundef i64 @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #5
  %8 = trunc i64 %7 to i32
  store i32 %8, ptr %3, align 4, !tbaa !5
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull %3, i64 noundef 4)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %10 = call ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #5
  store ptr %10, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %11 = call ptr @_ZNKSt3mapIjdSt4lessIjESaISt4pairIKjdEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #5
  store ptr %11, ptr %5, align 8
  %12 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKjdEES5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %12, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2
  %13 = getelementptr inbounds i8, ptr %6, i64 8
  br label %14

._crit_edge:                                      ; preds = %14, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  ret void

14:                                               ; preds = %.lr.ph, %14
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #5
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKjdEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(16) %15, i64 16, i1 false)
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull %6, i64 noundef 4)
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull %13, i64 noundef 8)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #5
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKjdEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %19 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKjdEES5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %19, label %14, label %._crit_edge
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSo5writeEPKcl(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef, i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKjdEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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