; LLVM IR from mwarning/KadNode :: src (utils)

; 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.sockaddr_storage = type { i16, [118 x i8], i64 }
%struct.sockaddr_in = type { i16, i16, %struct.in_addr, [8 x i8] }
%struct.in_addr = type { i32 }
%struct.sockaddr_in6 = type { i16, i16, i32, %struct.in6_addr, i32 }
%struct.in6_addr = type { %union.anon }
%union.anon = type { [4 x i32] }

; Function Attrs: nounwind willreturn memory(read)
declare i32 @memcmp(ptr noundef, ptr noundef, i64 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @addr_equal(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.sockaddr_storage, ptr %6, i32 0, i32 0
  %8 = load i16, ptr %7, align 8, !tbaa !9
  %9 = zext i16 %8 to i32
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.sockaddr_storage, ptr %10, i32 0, i32 0
  %12 = load i16, ptr %11, align 8, !tbaa !9
  %13 = zext i16 %12 to i32
  %14 = icmp ne i32 %9, %13
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %43

16:                                               ; preds = %2
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.sockaddr_storage, ptr %17, i32 0, i32 0
  %19 = load i16, ptr %18, align 8, !tbaa !9
  %20 = zext i16 %19 to i32
  %21 = icmp eq i32 %20, 2
  br i1 %21, label %22, label %29

22:                                               ; preds = %16
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.sockaddr_in, ptr %23, i32 0, i32 2
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.sockaddr_in, ptr %25, i32 0, i32 2
  %27 = call i32 @memcmp(ptr noundef %24, ptr noundef %26, i64 noundef 4) #2
  %28 = icmp eq i32 0, %27
  store i1 %28, ptr %3, align 1
  br label %43

29:                                               ; preds = %16
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.sockaddr_storage, ptr %30, i32 0, i32 0
  %32 = load i16, ptr %31, align 8, !tbaa !9
  %33 = zext i16 %32 to i32
  %34 = icmp eq i32 %33, 10
  br i1 %34, label %35, label %42

35:                                               ; preds = %29
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.sockaddr_in6, ptr %36, i32 0, i32 3
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.sockaddr_in6, ptr %38, i32 0, i32 3
  %40 = call i32 @memcmp(ptr noundef %37, ptr noundef %39, i64 noundef 16) #2
  %41 = icmp eq i32 0, %40
  store i1 %41, ptr %3, align 1
  br label %43

42:                                               ; preds = %29
  store i1 false, ptr %3, align 1
  br label %43

43:                                               ; preds = %42, %35, %22, %15
  %44 = load i1, ptr %3, align 1
  ret i1 %44
}

attributes #0 = { nounwind willreturn memory(read) "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 = { 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 = { nounwind willreturn memory(read) }

!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, !11, i64 0}
!10 = !{!"sockaddr_storage", !11, i64 0, !7, i64 2, !12, i64 120}
!11 = !{!"short", !7, i64 0}
!12 = !{!"long", !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 nofree nounwind willreturn memory(argmem: read) uwtable
define dso_local zeroext i1 @addr_equal(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load i16, ptr %0, align 8, !tbaa !5
  %4 = load i16, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i16 %3, %4
  br i1 %.not, label %5, label %14

5:                                                ; preds = %2
  switch i16 %3, label %14 [
    i16 2, label %6
    i16 10, label %10
  ]

6:                                                ; preds = %5
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = getelementptr inbounds i8, ptr %1, i64 4
  %bcmp10 = tail call i32 @bcmp(ptr noundef nonnull dereferenceable(4) %7, ptr noundef nonnull dereferenceable(4) %8, i64 4)
  %9 = icmp eq i32 %bcmp10, 0
  br label %14

10:                                               ; preds = %5
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = getelementptr inbounds i8, ptr %1, i64 8
  %bcmp = tail call i32 @bcmp(ptr noundef nonnull dereferenceable(16) %11, ptr noundef nonnull dereferenceable(16) %12, i64 16)
  %13 = icmp eq i32 %bcmp, 0
  br label %14

14:                                               ; preds = %5, %2, %10, %6
  %.0 = phi i1 [ %9, %6 ], [ %13, %10 ], [ false, %2 ], [ false, %5 ]
  ret i1 %.0
}

; Function Attrs: nofree nounwind willreturn memory(argmem: read)
declare i32 @bcmp(ptr nocapture, ptr nocapture, i64) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(argmem: read) 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 = { nofree nounwind willreturn memory(argmem: read) }

!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 = !{!"sockaddr_storage", !7, i64 0, !8, i64 2, !10, i64 120}
!7 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}


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