; LLVM IR from yinqiwen/ardb :: src/common/channel/channel.ll (ZN4ardb7Channel6OnReadEv)

; 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.ardb::Channel" = type { %"class.ardb::Runnable", %"struct.ardb::ChannelOptions", i8, i8, i32, %"class.ardb::ChannelPipeline", ptr, i32, i32, %"class.ardb::Buffer", %"class.ardb::Buffer", i32, ptr, ptr, ptr, ptr, i8, i8, i8, ptr, ptr, ptr }
%"class.ardb::Runnable" = type { ptr }
%"struct.ardb::ChannelOptions" = type <{ i32, i32, i8, [3 x i8], i32, i8, [3 x i8], i32, i32, i32, i8, i8, [2 x i8] }>
%"class.ardb::ChannelPipeline" = type { ptr, ptr, ptr, %"class.btree::btree_map" }
%"class.btree::btree_map" = type { %"class.btree::btree_map_container" }
%"class.btree::btree_map_container" = type { %"class.btree::btree_unique_container" }
%"class.btree::btree_unique_container" = type { %"class.btree::btree_container" }
%"class.btree::btree_container" = type { %"class.btree::btree" }
%"class.btree::btree" = type { %"struct.btree::btree<btree::btree_map_params<std::__cxx11::basic_string<char>, ardb::ChannelHandlerContext *, std::less<std::__cxx11::basic_string<char>>, std::allocator<std::pair<const std::__cxx11::basic_string<char>, ardb::ChannelHandlerContext *>>, 256>>::empty_base_handle" }
%"struct.btree::btree<btree::btree_map_params<std::__cxx11::basic_string<char>, ardb::ChannelHandlerContext *, std::less<std::__cxx11::basic_string<char>>, std::allocator<std::pair<const std::__cxx11::basic_string<char>, ardb::ChannelHandlerContext *>>, 256>>::empty_base_handle" = type { ptr }
%"class.ardb::Buffer" = type <{ ptr, i64, i64, i64, i8, [7 x i8] }>

; 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: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4ardb21fire_message_receivedINS_6BufferEEEbPNS_7ChannelEPT_PNS_4TypeIS4_E10DestructorE(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN4ardb7Channel13HandleIOErrorEi(ptr noundef nonnull align 8 dereferenceable(256), i32 noundef) #2 align 2

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN4ardb6Buffer18DiscardReadedBytesEv(ptr noundef nonnull align 8 dereferenceable(33)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4ardb7Channel6OnReadEv(ptr noundef nonnull align 8 dereferenceable(256) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca [32 x i8], align 16
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !9
  %8 = getelementptr inbounds %"class.ardb::Channel", ptr %7, i32 0, i32 18
  %9 = load i8, ptr %8, align 2, !tbaa !11, !range !25, !noundef !26
  %10 = trunc i8 %9 to i1
  br i1 %10, label %11, label %49

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #5
  %12 = load ptr, ptr %7, align 8, !tbaa !27
  %13 = getelementptr inbounds ptr, ptr %12, i64 16
  %14 = load ptr, ptr %13, align 8
  %15 = call noundef i32 %14(ptr noundef nonnull align 8 dereferenceable(256) %7)
  %16 = getelementptr inbounds [32 x i8], ptr %4, i64 0, i64 0
  %17 = call i64 @recv(i32 noundef %15, ptr noundef %16, i64 noundef 32, i32 noundef 66)
  %18 = trunc i64 %17 to i32
  store i32 %18, ptr %3, align 4, !tbaa !9
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = icmp slt i32 %19, 0
  br i1 %20, label %21, label %37

21:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %22 = call ptr @__errno_location() #6
  %23 = load i32, ptr %22, align 4, !tbaa !9
  store i32 %23, ptr %5, align 4, !tbaa !9
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = icmp eq i32 %24, 4
  br i1 %25, label %32, label %26

26:                                               ; preds = %21
  %27 = load i32, ptr %5, align 4, !tbaa !9
  %28 = icmp eq i32 %27, 11
  br i1 %28, label %32, label %29

29:                                               ; preds = %26
  %30 = load i32, ptr %5, align 4, !tbaa !9
  %31 = icmp eq i32 %30, 11
  br i1 %31, label %32, label %33

32:                                               ; preds = %29, %26, %21
  store i32 1, ptr %6, align 4
  br label %36

33:                                               ; preds = %29
  %34 = load i32, ptr %5, align 4, !tbaa !9
  %35 = call noundef i32 @_ZN4ardb7Channel13HandleIOErrorEi(ptr noundef nonnull align 8 dereferenceable(256) %7, i32 noundef %34)
  store i32 1, ptr %6, align 4
  br label %36

36:                                               ; preds = %33, %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %46

37:                                               ; preds = %11
  %38 = load i32, ptr %3, align 4, !tbaa !9
  %39 = icmp eq i32 %38, 0
  br i1 %39, label %40, label %45

40:                                               ; preds = %37
  %41 = load ptr, ptr %7, align 8, !tbaa !27
  %42 = getelementptr inbounds ptr, ptr %41, i64 14
  %43 = load ptr, ptr %42, align 8
  %44 = call noundef i32 %43(ptr noundef nonnull align 8 dereferenceable(256) %7, i32 noundef 16)
  store i32 1, ptr %6, align 4
  br label %46

45:                                               ; preds = %37
  store i32 0, ptr %6, align 4
  br label %46

46:                                               ; preds = %45, %40, %36
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #5
  %47 = load i32, ptr %6, align 4
  switch i32 %47, label %64 [
    i32 0, label %48
  ]

48:                                               ; preds = %46
  br label %56

49:                                               ; preds = %1
  %50 = getelementptr inbounds %"class.ardb::Channel", ptr %7, i32 0, i32 9
  call void @_ZN4ardb6Buffer18DiscardReadedBytesEv(ptr noundef nonnull align 8 dereferenceable(33) %50)
  %51 = getelementptr inbounds %"class.ardb::Channel", ptr %7, i32 0, i32 9
  %52 = load ptr, ptr %7, align 8, !tbaa !27
  %53 = getelementptr inbounds ptr, ptr %52, i64 13
  %54 = load ptr, ptr %53, align 8
  %55 = call noundef i32 %54(ptr noundef nonnull align 8 dereferenceable(256) %7, ptr noundef %51)
  store i32 %55, ptr %3, align 4, !tbaa !9
  br label %56

56:                                               ; preds = %49, %48
  %57 = load i32, ptr %3, align 4, !tbaa !9
  %58 = icmp sgt i32 %57, 0
  br i1 %58, label %59, label %62

59:                                               ; preds = %56
  %60 = getelementptr inbounds %"class.ardb::Channel", ptr %7, i32 0, i32 9
  %61 = call noundef zeroext i1 @_ZN4ardb21fire_message_receivedINS_6BufferEEEbPNS_7ChannelEPT_PNS_4TypeIS4_E10DestructorE(ptr noundef %7, ptr noundef %60, ptr noundef null)
  br label %63

62:                                               ; preds = %56
  br label %63

63:                                               ; preds = %62, %59
  store i32 0, ptr %6, align 4
  br label %64

64:                                               ; preds = %63, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  %65 = load i32, ptr %6, align 4
  switch i32 %65, label %67 [
    i32 0, label %66
    i32 1, label %66
  ]

66:                                               ; preds = %64, %64
  ret void

67:                                               ; preds = %64
  unreachable
}

declare i64 @recv(i32 noundef, ptr noundef, i64 noundef, i32 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 willreturn memory(none) "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 }
attributes #6 = { nounwind willreturn memory(none) }

!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 = !{!12, !15, i64 226}
!12 = !{!"_ZTSN4ardb7ChannelE", !13, i64 0, !14, i64 8, !15, i64 44, !15, i64 45, !10, i64 48, !16, i64 56, !6, i64 88, !10, i64 96, !10, i64 100, !23, i64 104, !23, i64 144, !10, i64 184, !6, i64 192, !6, i64 200, !6, i64 208, !6, i64 216, !15, i64 224, !15, i64 225, !15, i64 226, !6, i64 232, !6, i64 240, !6, i64 248}
!13 = !{!"_ZTSN4ardb8RunnableE"}
!14 = !{!"_ZTSN4ardb14ChannelOptionsE", !10, i64 0, !10, i64 4, !15, i64 8, !10, i64 12, !15, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !15, i64 32, !15, i64 33}
!15 = !{!"bool", !7, i64 0}
!16 = !{!"_ZTSN4ardb15ChannelPipelineE", !6, i64 0, !6, i64 8, !6, i64 16, !17, i64 24}
!17 = !{!"_ZTSN5btree9btree_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS6_ESaISt4pairIKS6_S9_EELi256EEE", !18, i64 0}
!18 = !{!"_ZTSN5btree19btree_map_containerINS_5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS8_ESaISt4pairIKS8_SB_EELi256EEEEEEE", !19, i64 0}
!19 = !{!"_ZTSN5btree22btree_unique_containerINS_5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS8_ESaISt4pairIKS8_SB_EELi256EEEEEEE", !20, i64 0}
!20 = !{!"_ZTSN5btree15btree_containerINS_5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS8_ESaISt4pairIKS8_SB_EELi256EEEEEEE", !21, i64 0}
!21 = !{!"_ZTSN5btree5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS7_ESaISt4pairIKS7_SA_EELi256EEEEE", !22, i64 0}
!22 = !{!"_ZTSN5btree5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS7_ESaISt4pairIKS7_SA_EELi256EEEE17empty_base_handleIS6_PNS_10btree_nodeISH_EEEE", !6, i64 0}
!23 = !{!"_ZTSN4ardb6BufferE", !6, i64 0, !24, i64 8, !24, i64 16, !24, i64 24, !15, i64 32}
!24 = !{!"long", !7, i64 0}
!25 = !{i8 0, i8 2}
!26 = !{}
!27 = !{!28, !28, i64 0}
!28 = !{!"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"

; 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: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4ardb21fire_message_receivedINS_6BufferEEEbPNS_7ChannelEPT_PNS_4TypeIS4_E10DestructorE(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN4ardb7Channel13HandleIOErrorEi(ptr noundef nonnull align 8 dereferenceable(256), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN4ardb6Buffer18DiscardReadedBytesEv(ptr noundef nonnull align 8 dereferenceable(33)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4ardb7Channel6OnReadEv(ptr noundef nonnull align 8 dereferenceable(256) %0) unnamed_addr #2 align 2 {
  %2 = alloca [32 x i8], align 16
  %3 = getelementptr inbounds i8, ptr %0, i64 226
  %4 = load i8, ptr %3, align 2, !tbaa !5, !range !23, !noundef !24
  %5 = trunc nuw i8 %4 to i1
  br i1 %5, label %6, label %26

6:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  %7 = load ptr, ptr %0, align 8, !tbaa !25
  %8 = getelementptr inbounds i8, ptr %7, i64 128
  %9 = load ptr, ptr %8, align 8
  %10 = tail call noundef i32 %9(ptr noundef nonnull align 8 dereferenceable(256) %0)
  %11 = call i64 @recv(i32 noundef %10, ptr noundef nonnull %2, i64 noundef 32, i32 noundef 66)
  %12 = trunc i64 %11 to i32
  %13 = icmp slt i32 %12, 0
  br i1 %13, label %14, label %19

14:                                               ; preds = %6
  %15 = tail call ptr @__errno_location() #6
  %16 = load i32, ptr %15, align 4, !tbaa !27
  switch i32 %16, label %17 [
    i32 11, label %.critedge
    i32 4, label %.critedge
  ]

17:                                               ; preds = %14
  %18 = call noundef i32 @_ZN4ardb7Channel13HandleIOErrorEi(ptr noundef nonnull align 8 dereferenceable(256) %0, i32 noundef %16)
  br label %.critedge

19:                                               ; preds = %6
  %20 = icmp eq i32 %12, 0
  br i1 %20, label %21, label %.thread

21:                                               ; preds = %19
  %22 = load ptr, ptr %0, align 8, !tbaa !25
  %23 = getelementptr inbounds i8, ptr %22, i64 112
  %24 = load ptr, ptr %23, align 8
  %25 = call noundef i32 %24(ptr noundef nonnull align 8 dereferenceable(256) %0, i32 noundef 16)
  br label %.critedge

.thread:                                          ; preds = %19
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %33

26:                                               ; preds = %1
  %27 = getelementptr inbounds i8, ptr %0, i64 104
  tail call void @_ZN4ardb6Buffer18DiscardReadedBytesEv(ptr noundef nonnull align 8 dereferenceable(33) %27)
  %28 = load ptr, ptr %0, align 8, !tbaa !25
  %29 = getelementptr inbounds i8, ptr %28, i64 104
  %30 = load ptr, ptr %29, align 8
  %31 = tail call noundef i32 %30(ptr noundef nonnull align 8 dereferenceable(256) %0, ptr noundef nonnull %27)
  %32 = icmp sgt i32 %31, 0
  br i1 %32, label %33, label %36

33:                                               ; preds = %.thread, %26
  %34 = getelementptr inbounds i8, ptr %0, i64 104
  %35 = call noundef zeroext i1 @_ZN4ardb21fire_message_receivedINS_6BufferEEEbPNS_7ChannelEPT_PNS_4TypeIS4_E10DestructorE(ptr noundef nonnull %0, ptr noundef nonnull %34, ptr noundef null)
  br label %36

.critedge:                                        ; preds = %17, %14, %14, %21
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %36

36:                                               ; preds = %33, %26, %.critedge
  ret void
}

declare i64 @recv(i32 noundef, ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 nofree nosync nounwind willreturn memory(none) "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 }
attributes #6 = { nounwind willreturn memory(none) }

!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, !12, i64 226}
!6 = !{!"_ZTSN4ardb7ChannelE", !7, i64 0, !8, i64 8, !12, i64 44, !12, i64 45, !9, i64 48, !13, i64 56, !14, i64 88, !9, i64 96, !9, i64 100, !21, i64 104, !21, i64 144, !9, i64 184, !14, i64 192, !14, i64 200, !14, i64 208, !14, i64 216, !12, i64 224, !12, i64 225, !12, i64 226, !14, i64 232, !14, i64 240, !14, i64 248}
!7 = !{!"_ZTSN4ardb8RunnableE"}
!8 = !{!"_ZTSN4ardb14ChannelOptionsE", !9, i64 0, !9, i64 4, !12, i64 8, !9, i64 12, !12, i64 16, !9, i64 20, !9, i64 24, !9, i64 28, !12, i64 32, !12, i64 33}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"bool", !10, i64 0}
!13 = !{!"_ZTSN4ardb15ChannelPipelineE", !14, i64 0, !14, i64 8, !14, i64 16, !15, i64 24}
!14 = !{!"any pointer", !10, i64 0}
!15 = !{!"_ZTSN5btree9btree_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS6_ESaISt4pairIKS6_S9_EELi256EEE", !16, i64 0}
!16 = !{!"_ZTSN5btree19btree_map_containerINS_5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS8_ESaISt4pairIKS8_SB_EELi256EEEEEEE", !17, i64 0}
!17 = !{!"_ZTSN5btree22btree_unique_containerINS_5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS8_ESaISt4pairIKS8_SB_EELi256EEEEEEE", !18, i64 0}
!18 = !{!"_ZTSN5btree15btree_containerINS_5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS8_ESaISt4pairIKS8_SB_EELi256EEEEEEE", !19, i64 0}
!19 = !{!"_ZTSN5btree5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS7_ESaISt4pairIKS7_SA_EELi256EEEEE", !20, i64 0}
!20 = !{!"_ZTSN5btree5btreeINS_16btree_map_paramsINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPN4ardb21ChannelHandlerContextESt4lessIS7_ESaISt4pairIKS7_SA_EELi256EEEE17empty_base_handleIS6_PNS_10btree_nodeISH_EEEE", !14, i64 0}
!21 = !{!"_ZTSN4ardb6BufferE", !14, i64 0, !22, i64 8, !22, i64 16, !22, i64 24, !12, i64 32}
!22 = !{!"long", !10, i64 0}
!23 = !{i8 0, i8 2}
!24 = !{}
!25 = !{!26, !26, i64 0}
!26 = !{!"vtable pointer", !11, i64 0}
!27 = !{!9, !9, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass