; LLVM IR from linuxkerneltravel/lmp :: eBPF_Visualization/eBPF_scenario_analysis/write/buffWrite (kprobe)

; 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.bpf_map_def = type { i32, i32, i32, i32, i32 }
%struct.file = type { %union.anon, %struct.path, ptr, ptr, %struct.spinlock, %struct.atomic64_t, i32, i32, %struct.mutex, i64, %struct.fown_struct, ptr, %struct.file_ra_state, i64, ptr, ptr, ptr, ptr, i32, i32 }
%union.anon = type { %struct.callback_head }
%struct.callback_head = type { ptr, ptr }
%struct.path = type { ptr, ptr }
%struct.spinlock = type { %union.anon.0 }
%union.anon.0 = type { %struct.raw_spinlock }
%struct.raw_spinlock = type { %struct.qspinlock, i32, i32, ptr, %struct.lockdep_map }
%struct.qspinlock = type { %union.anon.1 }
%union.anon.1 = type { %struct.atomic_t }
%struct.atomic_t = type { i32 }
%struct.lockdep_map = type { ptr, [2 x ptr], ptr, i8, i8, i8 }
%struct.atomic64_t = type { i64 }
%struct.mutex = type { %struct.atomic64_t, %struct.raw_spinlock, %struct.optimistic_spin_queue, %struct.list_head, ptr, %struct.lockdep_map }
%struct.optimistic_spin_queue = type { %struct.atomic_t }
%struct.list_head = type { ptr, ptr }
%struct.fown_struct = type { %struct.rwlock_t, ptr, i32, %struct.kuid_t, %struct.kuid_t, i32 }
%struct.rwlock_t = type { %struct.qrwlock, i32, i32, ptr, %struct.lockdep_map }
%struct.qrwlock = type { %union.anon.4, %struct.qspinlock }
%union.anon.4 = type { %struct.atomic_t }
%struct.kuid_t = type { i32 }
%struct.file_ra_state = type { i64, i32, i32, i32, i32, i64 }
%struct.buff_write_event_t = type <{ i32, i64, i64, i64, i64, [20 x i8], i64 }>
%struct.pt_regs = type { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 }
%struct.dentry = type { i32, %struct.seqcount_spinlock, %struct.hlist_bl_node, ptr, %struct.qstr, ptr, [32 x i8], %struct.lockref, ptr, ptr, i64, ptr, %union.anon.10, %struct.list_head, %struct.list_head, %union.anon.11 }
%struct.seqcount_spinlock = type { %struct.seqcount, ptr }
%struct.seqcount = type { i32, %struct.lockdep_map }
%struct.hlist_bl_node = type { ptr, ptr }
%struct.qstr = type { %union.anon.6, ptr }
%union.anon.6 = type { i64 }
%struct.lockref = type { %union.anon.8 }
%union.anon.8 = type { %struct.anon.9 }
%struct.anon.9 = type { %struct.spinlock, i32 }
%union.anon.10 = type { %struct.list_head }
%union.anon.11 = type { %struct.hlist_node }
%struct.hlist_node = type { ptr, ptr }

@my_pid = external dso_local constant i64, align 8
@kprobe_map = external dso_local global %struct.bpf_map_def, section "maps", align 4
@bpf_get_current_pid_tgid = external hidden global ptr, align 8
@bpf_probe_read = external hidden global ptr, align 8
@bpf_ktime_get_ns = external hidden global ptr, align 8
@bpf_perf_event_output = external hidden global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @kprobe_prog(ptr noundef %0) #0 section "kprobe/ext4_da_write_begin" {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %struct.file, align 8
  %5 = alloca %struct.buff_write_event_t, align 1
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 456, ptr %4) #3
  call void @llvm.memset.p0.i64(ptr align 8 %4, i8 0, i64 456, i1 false)
  call void @llvm.lifetime.start.p0(i64 64, ptr %5) #3
  call void @llvm.memset.p0.i64(ptr align 1 %5, i8 0, i64 64, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %10 = load ptr, ptr @bpf_get_current_pid_tgid, align 8, !tbaa !5
  %11 = call i64 %10()
  store i64 %11, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %12 = load i64, ptr %6, align 8, !tbaa !9
  %13 = lshr i64 %12, 32
  %14 = trunc i64 %13 to i32
  store i32 %14, ptr %8, align 4, !tbaa !11
  %15 = load volatile i64, ptr @my_pid, align 8, !tbaa !9
  %16 = icmp ne i64 %15, 0
  br i1 %16, label %17, label %24

17:                                               ; preds = %1
  %18 = load i32, ptr %8, align 4, !tbaa !11
  %19 = zext i32 %18 to i64
  %20 = load volatile i64, ptr @my_pid, align 8, !tbaa !9
  %21 = icmp ne i64 %19, %20
  br i1 %21, label %22, label %23

22:                                               ; preds = %17
  store i32 0, ptr %2, align 4
  store i32 1, ptr %9, align 4
  br label %62

23:                                               ; preds = %17
  br label %24

24:                                               ; preds = %23, %1
  %25 = load i32, ptr %8, align 4, !tbaa !11
  %26 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 0
  store i32 %25, ptr %26, align 1, !tbaa !13
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.pt_regs, ptr %27, i32 0, i32 11
  %29 = load i64, ptr %28, align 8, !tbaa !15
  %30 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 2
  store i64 %29, ptr %30, align 1, !tbaa !18
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.pt_regs, ptr %31, i32 0, i32 12
  %33 = load i64, ptr %32, align 8, !tbaa !19
  store i64 %33, ptr %7, align 8, !tbaa !9
  %34 = load i64, ptr %7, align 8, !tbaa !9
  %35 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 4
  store i64 %34, ptr %35, align 1, !tbaa !20
  %36 = load i64, ptr %7, align 8, !tbaa !9
  %37 = lshr i64 %36, 13
  %38 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 3
  store i64 %37, ptr %38, align 1, !tbaa !21
  %39 = load i64, ptr %7, align 8, !tbaa !9
  %40 = and i64 %39, 4095
  %41 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 1
  store i64 %40, ptr %41, align 1, !tbaa !22
  %42 = load ptr, ptr @bpf_probe_read, align 8, !tbaa !5
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.pt_regs, ptr %43, i32 0, i32 14
  %45 = load i64, ptr %44, align 8, !tbaa !23
  %46 = inttoptr i64 %45 to ptr
  %47 = call i64 %42(ptr noundef %4, i32 noundef 456, ptr noundef %46)
  %48 = load ptr, ptr @bpf_ktime_get_ns, align 8, !tbaa !5
  %49 = call i64 %48()
  %50 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 6
  store i64 %49, ptr %50, align 1, !tbaa !24
  %51 = load ptr, ptr @bpf_probe_read, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.buff_write_event_t, ptr %5, i32 0, i32 5
  %53 = getelementptr inbounds %struct.file, ptr %4, i32 0, i32 1
  %54 = getelementptr inbounds %struct.path, ptr %53, i32 0, i32 1
  %55 = load ptr, ptr %54, align 8, !tbaa !25
  %56 = getelementptr inbounds %struct.dentry, ptr %55, i32 0, i32 6
  %57 = getelementptr inbounds [32 x i8], ptr %56, i64 0, i64 0
  %58 = call i64 %51(ptr noundef %52, i32 noundef 20, ptr noundef %57)
  %59 = load ptr, ptr @bpf_perf_event_output, align 8, !tbaa !5
  %60 = load ptr, ptr %3, align 8, !tbaa !5
  %61 = call i64 %59(ptr noundef %60, ptr noundef @kprobe_map, i64 noundef 4294967295, ptr noundef %5, i64 noundef 64)
  store i32 0, ptr %2, align 4
  store i32 1, ptr %9, align 4
  br label %62

62:                                               ; preds = %24, %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 456, ptr %4) #3
  %63 = load i32, ptr %2, align 4
  ret i32 %63
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !12, i64 0}
!14 = !{!"buff_write_event_t", !12, i64 0, !10, i64 4, !10, i64 12, !10, i64 20, !10, i64 28, !7, i64 36, !10, i64 56}
!15 = !{!16, !17, i64 88}
!16 = !{!"pt_regs", !17, i64 0, !17, i64 8, !17, i64 16, !17, i64 24, !17, i64 32, !17, i64 40, !17, i64 48, !17, i64 56, !17, i64 64, !17, i64 72, !17, i64 80, !17, i64 88, !17, i64 96, !17, i64 104, !17, i64 112, !17, i64 120, !17, i64 128, !17, i64 136, !17, i64 144, !17, i64 152, !17, i64 160}
!17 = !{!"long", !7, i64 0}
!18 = !{!14, !10, i64 12}
!19 = !{!16, !17, i64 96}
!20 = !{!14, !10, i64 28}
!21 = !{!14, !10, i64 20}
!22 = !{!14, !10, i64 4}
!23 = !{!16, !17, i64 112}
!24 = !{!14, !10, i64 56}
!25 = !{!26, !6, i64 24}
!26 = !{!"file", !7, i64 0, !27, i64 16, !6, i64 32, !6, i64 40, !28, i64 48, !29, i64 112, !12, i64 120, !12, i64 124, !30, i64 128, !10, i64 272, !37, i64 280, !6, i64 368, !40, i64 376, !10, i64 408, !6, i64 416, !6, i64 424, !6, i64 432, !6, i64 440, !12, i64 448, !12, i64 452}
!27 = !{!"path", !6, i64 0, !6, i64 8}
!28 = !{!"spinlock", !7, i64 0}
!29 = !{!"", !10, i64 0}
!30 = !{!"mutex", !29, i64 0, !31, i64 8, !34, i64 72, !36, i64 80, !6, i64 96, !33, i64 104}
!31 = !{!"raw_spinlock", !32, i64 0, !12, i64 4, !12, i64 8, !6, i64 16, !33, i64 24}
!32 = !{!"qspinlock", !7, i64 0}
!33 = !{!"lockdep_map", !6, i64 0, !7, i64 8, !6, i64 24, !7, i64 32, !7, i64 33, !7, i64 34}
!34 = !{!"optimistic_spin_queue", !35, i64 0}
!35 = !{!"", !12, i64 0}
!36 = !{!"list_head", !6, i64 0, !6, i64 8}
!37 = !{!"fown_struct", !38, i64 0, !6, i64 64, !12, i64 72, !35, i64 76, !35, i64 80, !12, i64 84}
!38 = !{!"", !39, i64 0, !12, i64 8, !12, i64 12, !6, i64 16, !33, i64 24}
!39 = !{!"qrwlock", !7, i64 0, !32, i64 4}
!40 = !{!"file_ra_state", !17, i64 0, !12, i64 8, !12, i64 12, !12, i64 16, !12, i64 20, !10, i64 24}


; 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.bpf_map_def = type { i32, i32, i32, i32, i32 }
%struct.file = type { %union.anon, %struct.path, ptr, ptr, %struct.spinlock, %struct.atomic64_t, i32, i32, %struct.mutex, i64, %struct.fown_struct, ptr, %struct.file_ra_state, i64, ptr, ptr, ptr, ptr, i32, i32 }
%union.anon = type { %struct.callback_head }
%struct.callback_head = type { ptr, ptr }
%struct.path = type { ptr, ptr }
%struct.spinlock = type { %union.anon.0 }
%union.anon.0 = type { %struct.raw_spinlock }
%struct.raw_spinlock = type { %struct.qspinlock, i32, i32, ptr, %struct.lockdep_map }
%struct.qspinlock = type { %union.anon.1 }
%union.anon.1 = type { %struct.atomic_t }
%struct.atomic_t = type { i32 }
%struct.lockdep_map = type { ptr, [2 x ptr], ptr, i8, i8, i8 }
%struct.atomic64_t = type { i64 }
%struct.mutex = type { %struct.atomic64_t, %struct.raw_spinlock, %struct.optimistic_spin_queue, %struct.list_head, ptr, %struct.lockdep_map }
%struct.optimistic_spin_queue = type { %struct.atomic_t }
%struct.list_head = type { ptr, ptr }
%struct.fown_struct = type { %struct.rwlock_t, ptr, i32, %struct.kuid_t, %struct.kuid_t, i32 }
%struct.rwlock_t = type { %struct.qrwlock, i32, i32, ptr, %struct.lockdep_map }
%struct.qrwlock = type { %union.anon.4, %struct.qspinlock }
%union.anon.4 = type { %struct.atomic_t }
%struct.kuid_t = type { i32 }
%struct.file_ra_state = type { i64, i32, i32, i32, i32, i64 }
%struct.buff_write_event_t = type <{ i32, i64, i64, i64, i64, [20 x i8], i64 }>

@my_pid = external dso_local constant i64, align 8
@kprobe_map = external dso_local global %struct.bpf_map_def, section "maps", align 4
@bpf_get_current_pid_tgid = external hidden local_unnamed_addr global ptr, align 8
@bpf_probe_read = external hidden local_unnamed_addr global ptr, align 8
@bpf_ktime_get_ns = external hidden local_unnamed_addr global ptr, align 8
@bpf_perf_event_output = external hidden local_unnamed_addr global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @kprobe_prog(ptr noundef %0) local_unnamed_addr #0 section "kprobe/ext4_da_write_begin" {
  %2 = alloca %struct.file, align 8
  %3 = alloca %struct.buff_write_event_t, align 4
  call void @llvm.lifetime.start.p0(i64 456, ptr nonnull %2) #3
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(456) %2, i8 0, i64 456, i1 false)
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %3, i64 36
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(64) %4, i8 0, i64 20, i1 false)
  %5 = load ptr, ptr @bpf_get_current_pid_tgid, align 8, !tbaa !5
  %6 = tail call i64 %5() #3
  %7 = lshr i64 %6, 32
  %8 = trunc nuw i64 %7 to i32
  %9 = load volatile i64, ptr @my_pid, align 8, !tbaa !9
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %12, label %10

10:                                               ; preds = %1
  %11 = load volatile i64, ptr @my_pid, align 8, !tbaa !9
  %.not10 = icmp eq i64 %7, %11
  br i1 %.not10, label %12, label %39

12:                                               ; preds = %10, %1
  store i32 %8, ptr %3, align 4, !tbaa !11
  %13 = getelementptr inbounds i8, ptr %0, i64 88
  %14 = load i64, ptr %13, align 8, !tbaa !14
  %15 = getelementptr inbounds i8, ptr %3, i64 12
  store i64 %14, ptr %15, align 4, !tbaa !17
  %16 = getelementptr inbounds i8, ptr %0, i64 96
  %17 = load i64, ptr %16, align 8, !tbaa !18
  %18 = getelementptr inbounds i8, ptr %3, i64 28
  store i64 %17, ptr %18, align 4, !tbaa !19
  %19 = lshr i64 %17, 13
  %20 = getelementptr inbounds i8, ptr %3, i64 20
  store i64 %19, ptr %20, align 4, !tbaa !20
  %21 = and i64 %17, 4095
  %22 = getelementptr inbounds i8, ptr %3, i64 4
  store i64 %21, ptr %22, align 4, !tbaa !21
  %23 = load ptr, ptr @bpf_probe_read, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %0, i64 112
  %25 = load i64, ptr %24, align 8, !tbaa !22
  %26 = inttoptr i64 %25 to ptr
  %27 = call i64 %23(ptr noundef nonnull %2, i32 noundef 456, ptr noundef %26) #3
  %28 = load ptr, ptr @bpf_ktime_get_ns, align 8, !tbaa !5
  %29 = call i64 %28() #3
  %30 = getelementptr inbounds i8, ptr %3, i64 56
  store i64 %29, ptr %30, align 4, !tbaa !23
  %31 = load ptr, ptr @bpf_probe_read, align 8, !tbaa !5
  %32 = getelementptr inbounds i8, ptr %3, i64 36
  %33 = getelementptr inbounds i8, ptr %2, i64 24
  %34 = load ptr, ptr %33, align 8, !tbaa !24
  %35 = getelementptr inbounds i8, ptr %34, i64 112
  %36 = call i64 %31(ptr noundef nonnull %32, i32 noundef 20, ptr noundef nonnull %35) #3
  %37 = load ptr, ptr @bpf_perf_event_output, align 8, !tbaa !5
  %38 = call i64 %37(ptr noundef %0, ptr noundef nonnull @kprobe_map, i64 noundef 4294967295, ptr noundef nonnull %3, i64 noundef 64) #3
  br label %39

39:                                               ; preds = %10, %12
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 456, ptr nonnull %2) #3
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"buff_write_event_t", !13, i64 0, !10, i64 4, !10, i64 12, !10, i64 20, !10, i64 28, !7, i64 36, !10, i64 56}
!13 = !{!"int", !7, i64 0}
!14 = !{!15, !16, i64 88}
!15 = !{!"pt_regs", !16, i64 0, !16, i64 8, !16, i64 16, !16, i64 24, !16, i64 32, !16, i64 40, !16, i64 48, !16, i64 56, !16, i64 64, !16, i64 72, !16, i64 80, !16, i64 88, !16, i64 96, !16, i64 104, !16, i64 112, !16, i64 120, !16, i64 128, !16, i64 136, !16, i64 144, !16, i64 152, !16, i64 160}
!16 = !{!"long", !7, i64 0}
!17 = !{!12, !10, i64 12}
!18 = !{!15, !16, i64 96}
!19 = !{!12, !10, i64 28}
!20 = !{!12, !10, i64 20}
!21 = !{!12, !10, i64 4}
!22 = !{!15, !16, i64 112}
!23 = !{!12, !10, i64 56}
!24 = !{!25, !6, i64 24}
!25 = !{!"file", !7, i64 0, !26, i64 16, !6, i64 32, !6, i64 40, !27, i64 48, !28, i64 112, !13, i64 120, !13, i64 124, !29, i64 128, !10, i64 272, !36, i64 280, !6, i64 368, !39, i64 376, !10, i64 408, !6, i64 416, !6, i64 424, !6, i64 432, !6, i64 440, !13, i64 448, !13, i64 452}
!26 = !{!"path", !6, i64 0, !6, i64 8}
!27 = !{!"spinlock", !7, i64 0}
!28 = !{!"", !10, i64 0}
!29 = !{!"mutex", !28, i64 0, !30, i64 8, !33, i64 72, !35, i64 80, !6, i64 96, !32, i64 104}
!30 = !{!"raw_spinlock", !31, i64 0, !13, i64 4, !13, i64 8, !6, i64 16, !32, i64 24}
!31 = !{!"qspinlock", !7, i64 0}
!32 = !{!"lockdep_map", !6, i64 0, !7, i64 8, !6, i64 24, !7, i64 32, !7, i64 33, !7, i64 34}
!33 = !{!"optimistic_spin_queue", !34, i64 0}
!34 = !{!"", !13, i64 0}
!35 = !{!"list_head", !6, i64 0, !6, i64 8}
!36 = !{!"fown_struct", !37, i64 0, !6, i64 64, !13, i64 72, !34, i64 76, !34, i64 80, !13, i64 84}
!37 = !{!"", !38, i64 0, !13, i64 8, !13, i64 12, !6, i64 16, !32, i64 24}
!38 = !{!"qrwlock", !7, i64 0, !31, i64 4}
!39 = !{!"file_ra_state", !16, i64 0, !13, i64 8, !13, i64 12, !13, i64 16, !13, i64 20, !10, i64 24}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass