; LLVM IR from openanolis/openssl :: ssl/quic (quic_cfq)

; 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.quic_cfq_item_ex_st = type { %struct.quic_cfq_item_st, ptr, ptr, ptr, ptr, ptr, i64, i64, i32, i32, i32, i32 }
%struct.quic_cfq_item_st = type { ptr, ptr }
%struct.quic_cfq_st = type { %struct.quic_cfq_item_list_st, %struct.quic_cfq_item_list_st, %struct.quic_cfq_item_list_st }
%struct.quic_cfq_item_list_st = type { ptr, ptr }

@.str = external hidden unnamed_addr constant [72 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@__PRETTY_FUNCTION__.ossl_quic_cfq_release = external hidden unnamed_addr constant [56 x i8], align 1

; 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: nounwind uwtable
declare hidden void @list_remove(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @list_insert_tail(ptr noundef, ptr noundef) #1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @ossl_quic_cfq_release(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %6, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.quic_cfq_item_ex_st, ptr %7, i32 0, i32 11
  %9 = load i32, ptr %8, align 4, !tbaa !9
  switch i32 %9, label %26 [
    i32 0, label %10
    i32 1, label %18
  ]

10:                                               ; preds = %2
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.quic_cfq_st, ptr %11, i32 0, i32 0
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  call void @list_remove(ptr noundef %12, ptr noundef %13)
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.quic_cfq_st, ptr %14, i32 0, i32 2
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  call void @list_insert_tail(ptr noundef %15, ptr noundef %16)
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  call void @clear_item(ptr noundef %17)
  br label %27

18:                                               ; preds = %2
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.quic_cfq_st, ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  call void @list_remove(ptr noundef %20, ptr noundef %21)
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.quic_cfq_st, ptr %22, i32 0, i32 2
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  call void @list_insert_tail(ptr noundef %23, ptr noundef %24)
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  call void @clear_item(ptr noundef %25)
  br label %27

26:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str.1, ptr noundef @.str, i32 noundef 329, ptr noundef @__PRETTY_FUNCTION__.ossl_quic_cfq_release) #4
  unreachable

27:                                               ; preds = %18, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @clear_item(ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { noreturn 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 #3 = { nounwind }
attributes #4 = { noreturn 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, !13, i64 84}
!10 = !{!"quic_cfq_item_ex_st", !11, i64 0, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !12, i64 56, !12, i64 64, !13, i64 72, !13, i64 76, !13, i64 80, !13, i64 84}
!11 = !{!"quic_cfq_item_st", !6, i64 0, !6, i64 8}
!12 = !{!"long", !7, i64 0}
!13 = !{!"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"

@.str = external hidden unnamed_addr constant [72 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@__PRETTY_FUNCTION__.ossl_quic_cfq_release = external hidden unnamed_addr constant [56 x i8], align 1

; Function Attrs: nounwind uwtable
declare hidden void @list_remove(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @list_insert_tail(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @ossl_quic_cfq_release(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %1, i64 84
  %4 = load i32, ptr %3, align 4, !tbaa !5
  switch i32 %4, label %8 [
    i32 0, label %5
    i32 1, label %6
  ]

5:                                                ; preds = %2
  tail call void @list_remove(ptr noundef %0, ptr noundef nonnull %1)
  br label %9

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @list_remove(ptr noundef nonnull %7, ptr noundef nonnull %1)
  br label %9

8:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.1, ptr noundef nonnull @.str, i32 noundef 329, ptr noundef nonnull @__PRETTY_FUNCTION__.ossl_quic_cfq_release) #2
  unreachable

9:                                                ; preds = %6, %5
  %10 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @list_insert_tail(ptr noundef nonnull %10, ptr noundef nonnull %1)
  tail call void @clear_item(ptr noundef nonnull %1)
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @clear_item(ptr noundef) local_unnamed_addr #0

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 = { noreturn 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 = { noreturn 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, !12, i64 84}
!6 = !{!"quic_cfq_item_ex_st", !7, i64 0, !8, i64 16, !8, i64 24, !8, i64 32, !8, i64 40, !8, i64 48, !11, i64 56, !11, i64 64, !12, i64 72, !12, i64 76, !12, i64 80, !12, i64 84}
!7 = !{!"quic_cfq_item_st", !8, i64 0, !8, i64 8}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"long", !9, i64 0}
!12 = !{!"int", !9, i64 0}


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