; 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.interface_obj = type { i32, ptr, ptr, i32, ptr }

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

declare i32 @printf(ptr noundef, ...) #0

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

; Function Attrs: nounwind uwtable
define dso_local void @snk_hops_close(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.snk_hops_obj, ptr %3, i32 0, i32 5
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = getelementptr inbounds %struct.interface_obj, ptr %5, i32 0, i32 0
  %7 = load i32, ptr %6, align 8, !tbaa !16
  switch i32 %7, label %14 [
    i32 1, label %8
    i32 2, label %10
    i32 3, label %12
  ]

8:                                                ; preds = %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_close_interface_blackhole(ptr noundef %9)
  br label %16

10:                                               ; preds = %1
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_close_interface_file(ptr noundef %11)
  br label %16

12:                                               ; preds = %1
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  call void @snk_hops_close_interface_socket(ptr noundef %13)
  br label %16

14:                                               ; preds = %1
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  call void @exit(i32 noundef 1) #3
  unreachable

16:                                               ; preds = %12, %10, %8
  ret void
}

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

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

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

attributes #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 = { 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 = { 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 32}
!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, !12, i64 0}
!17 = !{!"interface_obj", !12, i64 0, !6, i64 8, !6, i64 16, !12, i64 24, !6, i64 32}


; 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

; 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 void @snk_hops_close(ptr noundef %0) local_unnamed_addr #2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = load i32, ptr %3, align 8, !tbaa !15
  switch i32 %4, label %8 [
    i32 1, label %5
    i32 2, label %6
    i32 3, label %7
  ]

5:                                                ; preds = %1
  tail call void @snk_hops_close_interface_blackhole(ptr noundef nonnull %0)
  br label %10

6:                                                ; preds = %1
  tail call void @snk_hops_close_interface_file(ptr noundef nonnull %0)
  br label %10

7:                                                ; preds = %1
  tail call void @snk_hops_close_interface_socket(ptr noundef nonnull %0)
  br label %10

8:                                                ; preds = %1
  %9 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  tail call void @exit(i32 noundef 1) #3
  unreachable

10:                                               ; preds = %7, %6, %5
  ret void
}

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

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

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

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 = { 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 32}
!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, !10, i64 0}
!16 = !{!"interface_obj", !10, i64 0, !11, i64 8, !11, i64 16, !10, i64 24, !11, i64 32}


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