; LLVM IR from introlab/odas :: src/sink (snk_hops)

; 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.snk_hops_obj = type { i64, i32, i32, i32, ptr, ptr, ptr, i32, ptr, %struct.sockaddr_in, i32, [4 x i8], ptr }
%struct.sockaddr_in = type { i16, i16, %struct.in_addr, [8 x i8] }
%struct.in_addr = type { i32 }
%struct.msg_hops_obj = type { i64, i32, ptr }
%struct.format_obj = type { i32 }
%struct.interface_obj = type { i32, ptr, ptr, i32, ptr }

@.str.1 = external hidden unnamed_addr constant [36 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [33 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

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #2

; 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
define dso_local i32 @snk_hops_process(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.snk_hops_obj, ptr %4, i32 0, i32 12
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = getelementptr inbounds %struct.msg_hops_obj, ptr %6, i32 0, i32 0
  %8 = load i64, ptr %7, align 8, !tbaa !16
  %9 = icmp ne i64 %8, 0
  br i1 %9, label %10, label %43

10:                                               ; preds = %1
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.snk_hops_obj, ptr %11, i32 0, i32 4
  %13 = load ptr, ptr %12, align 8, !tbaa !18
  %14 = getelementptr inbounds %struct.format_obj, ptr %13, i32 0, i32 0
  %15 = load i32, ptr %14, align 4, !tbaa !19
  switch i32 %15, label %26 [
    i32 8, label %16
    i32 16, label %18
    i32 24, label %20
    i32 32, label %22
    i32 0, label %24
  ]

16:                                               ; preds = %10
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_format_binary_int08(ptr noundef %17)
  br label %28

18:                                               ; preds = %10
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_format_binary_int16(ptr noundef %19)
  br label %28

20:                                               ; preds = %10
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_format_binary_int24(ptr noundef %21)
  br label %28

22:                                               ; preds = %10
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_format_binary_int32(ptr noundef %23)
  br label %28

24:                                               ; preds = %10
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_format_undefined(ptr noundef %25)
  br label %28

26:                                               ; preds = %10
  %27 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  call void @exit(i32 noundef 1) #5
  unreachable

28:                                               ; preds = %24, %22, %20, %18, %16
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.snk_hops_obj, ptr %29, i32 0, i32 5
  %31 = load ptr, ptr %30, align 8, !tbaa !21
  %32 = getelementptr inbounds %struct.interface_obj, ptr %31, i32 0, i32 0
  %33 = load i32, ptr %32, align 8, !tbaa !22
  switch i32 %33, label %40 [
    i32 1, label %34
    i32 2, label %36
    i32 3, label %38
  ]

34:                                               ; preds = %28
  %35 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_interface_blackhole(ptr noundef %35)
  br label %42

36:                                               ; preds = %28
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_interface_file(ptr noundef %37)
  br label %42

38:                                               ; preds = %28
  %39 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_process_interface_socket(ptr noundef %39)
  br label %42

40:                                               ; preds = %28
  %41 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  call void @exit(i32 noundef 1) #5
  unreachable

42:                                               ; preds = %38, %36, %34
  store i32 0, ptr %3, align 4, !tbaa !24
  br label %44

43:                                               ; preds = %1
  store i32 -1, ptr %3, align 4, !tbaa !24
  br label %44

44:                                               ; preds = %43, %42
  %45 = load i32, ptr %3, align 4, !tbaa !24
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i32 %45
}

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int08(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int16(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int24(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int32(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_undefined(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_interface_blackhole(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_interface_file(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_interface_socket(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 }
attributes #5 = { 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, !6, i64 88}
!10 = !{!"snk_hops_obj", !11, i64 0, !12, i64 8, !12, i64 12, !12, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !12, i64 48, !6, i64 56, !13, i64 64, !12, i64 80, !7, i64 84, !6, i64 88}
!11 = !{!"long long", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"sockaddr_in", !14, i64 0, !14, i64 2, !15, i64 4, !7, i64 8}
!14 = !{!"short", !7, i64 0}
!15 = !{!"in_addr", !12, i64 0}
!16 = !{!17, !11, i64 0}
!17 = !{!"msg_hops_obj", !11, i64 0, !12, i64 8, !6, i64 16}
!18 = !{!10, !6, i64 24}
!19 = !{!20, !12, i64 0}
!20 = !{!"format_obj", !12, i64 0}
!21 = !{!10, !6, i64 32}
!22 = !{!23, !12, i64 0}
!23 = !{!"interface_obj", !12, i64 0, !6, i64 8, !6, i64 16, !12, i64 24, !6, i64 32}
!24 = !{!12, !12, 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.1 = external hidden unnamed_addr constant [36 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [33 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @snk_hops_process(ptr noundef %0) local_unnamed_addr #2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 88
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = load i64, ptr %3, align 8, !tbaa !15
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %26, label %5

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !17
  %8 = load i32, ptr %7, align 4, !tbaa !18
  %9 = tail call i32 @llvm.fshl.i32(i32 %8, i32 %8, i32 29)
  switch i32 %9, label %15 [
    i32 1, label %10
    i32 2, label %11
    i32 3, label %12
    i32 4, label %13
    i32 0, label %14
  ]

10:                                               ; preds = %5
  tail call void @snk_hops_process_format_binary_int08(ptr noundef nonnull %0)
  br label %17

11:                                               ; preds = %5
  tail call void @snk_hops_process_format_binary_int16(ptr noundef nonnull %0)
  br label %17

12:                                               ; preds = %5
  tail call void @snk_hops_process_format_binary_int24(ptr noundef nonnull %0)
  br label %17

13:                                               ; preds = %5
  tail call void @snk_hops_process_format_binary_int32(ptr noundef nonnull %0)
  br label %17

14:                                               ; preds = %5
  tail call void @snk_hops_process_format_undefined(ptr noundef nonnull %0)
  br label %17

15:                                               ; preds = %5
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  tail call void @exit(i32 noundef 1) #4
  unreachable

17:                                               ; preds = %14, %13, %12, %11, %10
  %18 = getelementptr inbounds i8, ptr %0, i64 32
  %19 = load ptr, ptr %18, align 8, !tbaa !20
  %20 = load i32, ptr %19, align 8, !tbaa !21
  switch i32 %20, label %24 [
    i32 1, label %21
    i32 2, label %22
    i32 3, label %23
  ]

21:                                               ; preds = %17
  tail call void @snk_hops_process_interface_blackhole(ptr noundef nonnull %0)
  br label %26

22:                                               ; preds = %17
  tail call void @snk_hops_process_interface_file(ptr noundef nonnull %0)
  br label %26

23:                                               ; preds = %17
  tail call void @snk_hops_process_interface_socket(ptr noundef nonnull %0)
  br label %26

24:                                               ; preds = %17
  %25 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  tail call void @exit(i32 noundef 1) #4
  unreachable

26:                                               ; preds = %1, %21, %22, %23
  %.0 = phi i32 [ 0, %23 ], [ 0, %22 ], [ 0, %21 ], [ -1, %1 ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int08(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int16(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int24(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_binary_int32(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_format_undefined(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_interface_blackhole(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_interface_file(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @snk_hops_process_interface_socket(ptr noundef) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.fshl.i32(i32, i32, i32) #3

attributes #0 = { nofree 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 #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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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, !11, i64 88}
!6 = !{!"snk_hops_obj", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !10, i64 48, !11, i64 56, !12, i64 64, !10, i64 80, !8, i64 84, !11, i64 88}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"sockaddr_in", !13, i64 0, !13, i64 2, !14, i64 4, !8, i64 8}
!13 = !{!"short", !8, i64 0}
!14 = !{!"in_addr", !10, i64 0}
!15 = !{!16, !7, i64 0}
!16 = !{!"msg_hops_obj", !7, i64 0, !10, i64 8, !11, i64 16}
!17 = !{!6, !11, i64 24}
!18 = !{!19, !10, i64 0}
!19 = !{!"format_obj", !10, i64 0}
!20 = !{!6, !11, i64 32}
!21 = !{!22, !10, i64 0}
!22 = !{!"interface_obj", !10, i64 0, !11, i64 8, !11, i64 16, !10, i64 24, !11, i64 32}


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