; LLVM IR from ohler55/agoo :: ext/agoo (pub)

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare ptr @agoo_subject_create(ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @agoo_pub_unsubscribe(ptr noundef %0, ptr noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %8 = call noalias ptr @malloc(i64 noundef 40) #5
  store ptr %8, ptr %7, align 8, !tbaa !5
  %9 = load ptr, ptr %7, align 8, !tbaa !5
  %10 = icmp ne ptr null, %9
  br i1 %10, label %11, label %33

11:                                               ; preds = %3
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct._agooPub, ptr %12, i32 0, i32 0
  store ptr null, ptr %13, align 8, !tbaa !11
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct._agooPub, ptr %14, i32 0, i32 1
  store i32 85, ptr %15, align 8, !tbaa !13
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct._agooPub, ptr %17, i32 0, i32 2
  store ptr %16, ptr %18, align 8, !tbaa !14
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = icmp ne ptr null, %19
  br i1 %20, label %21, label %27

21:                                               ; preds = %11
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = call ptr @agoo_subject_create(ptr noundef %22, i32 noundef %23)
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct._agooPub, ptr %25, i32 0, i32 3
  store ptr %24, ptr %26, align 8, !tbaa !15
  br label %30

27:                                               ; preds = %11
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct._agooPub, ptr %28, i32 0, i32 3
  store ptr null, ptr %29, align 8, !tbaa !15
  br label %30

30:                                               ; preds = %27, %21
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct._agooPub, ptr %31, i32 0, i32 4
  store ptr null, ptr %32, align 8, !tbaa !16
  br label %33

33:                                               ; preds = %30, %3
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret ptr %34
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 = { "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 = { nounwind allocsize(0) }

!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 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_agooPub", !6, i64 0, !10, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!13 = !{!12, !10, i64 8}
!14 = !{!12, !6, i64 16}
!15 = !{!12, !6, i64 24}
!16 = !{!12, !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"

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

declare ptr @agoo_subject_create(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @agoo_pub_unsubscribe(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #3
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %13, label %5

5:                                                ; preds = %3
  store ptr null, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %4, i64 8
  store i32 85, ptr %6, align 8, !tbaa !11
  %7 = getelementptr inbounds i8, ptr %4, i64 16
  store ptr %0, ptr %7, align 8, !tbaa !12
  %.not12 = icmp eq ptr %1, null
  br i1 %.not12, label %10, label %8

8:                                                ; preds = %5
  %9 = tail call ptr @agoo_subject_create(ptr noundef nonnull %1, i32 noundef %2) #4
  br label %10

10:                                               ; preds = %5, %8
  %.sink = phi ptr [ %9, %8 ], [ null, %5 ]
  %11 = getelementptr inbounds i8, ptr %4, i64 24
  store ptr %.sink, ptr %11, align 8
  %12 = getelementptr inbounds i8, ptr %4, i64 32
  store ptr null, ptr %12, align 8, !tbaa !13
  br label %13

13:                                               ; preds = %10, %3
  ret ptr %4
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 #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 = { 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 = { nounwind allocsize(0) }
attributes #4 = { 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, !7, i64 0}
!6 = !{!"_agooPub", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 24, !7, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !7, i64 16}
!13 = !{!6, !7, i64 32}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass