; LLVM IR from buzz-lang/Buzz :: src/buzz (buzzoutmsg)

; 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.buzzoutmsg_swarm_s = type { i32, ptr, i16 }
%struct.buzzoutmsg_vstig_s = type { i32, i16, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @buzzoutmsg_destroy(i32 noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %8 = load ptr, ptr %5, align 8, !tbaa !9
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  store ptr %9, ptr %7, align 8, !tbaa !9
  %10 = load ptr, ptr %7, align 8, !tbaa !9
  %11 = load i32, ptr %10, align 8, !tbaa !11
  switch i32 %11, label %27 [
    i32 0, label %27
    i32 4, label %12
    i32 5, label %12
    i32 1, label %12
    i32 2, label %23
    i32 3, label %23
  ]

12:                                               ; preds = %3, %3, %3
  %13 = load ptr, ptr %7, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.buzzoutmsg_swarm_s, ptr %13, i32 0, i32 2
  %15 = load i16, ptr %14, align 8, !tbaa !11
  %16 = zext i16 %15 to i32
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %18, label %22

18:                                               ; preds = %12
  %19 = load ptr, ptr %7, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.buzzoutmsg_swarm_s, ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  call void @free(ptr noundef %21) #3
  br label %22

22:                                               ; preds = %18, %12
  br label %27

23:                                               ; preds = %3, %3
  %24 = load ptr, ptr %7, align 8, !tbaa !9
  %25 = getelementptr inbounds %struct.buzzoutmsg_vstig_s, ptr %24, i32 0, i32 3
  %26 = load ptr, ptr %25, align 8, !tbaa !11
  call void @free(ptr noundef %26) #3
  br label %27

27:                                               ; preds = %23, %22, %3, %3
  %28 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %28) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret void
}

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

; Function Attrs: nounwind
declare void @free(ptr noundef) #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 = { 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 }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !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"

; Function Attrs: mustprogress nounwind willreturn uwtable
define dso_local void @buzzoutmsg_destroy(i32 noundef %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readnone %2) local_unnamed_addr #0 {
  %4 = load ptr, ptr %1, align 8, !tbaa !5
  %5 = load i32, ptr %4, align 8, !tbaa !9
  switch i32 %5, label %11 [
    i32 3, label %.sink.split
    i32 4, label %6
    i32 5, label %6
    i32 1, label %6
    i32 2, label %.sink.split
  ]

6:                                                ; preds = %3, %3, %3
  %7 = getelementptr inbounds i8, ptr %4, i64 16
  %8 = load i16, ptr %7, align 8, !tbaa !9
  %.not = icmp eq i16 %8, 0
  br i1 %.not, label %11, label %.sink.split

.sink.split:                                      ; preds = %3, %3, %6
  %.sink = phi i64 [ 8, %6 ], [ 16, %3 ], [ 16, %3 ]
  %9 = getelementptr inbounds i8, ptr %4, i64 %.sink
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  tail call void @free(ptr noundef %10) #2
  br label %11

11:                                               ; preds = %.sink.split, %6, %3
  tail call void @free(ptr noundef nonnull %4) #2
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nounwind willreturn 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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 }

!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 = !{!7, !7, i64 0}


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