; LLVM IR from kala13x/libxutils :: src/net (addr)

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

@g_defaultPorts = external hidden global [9 x %struct.XProtocolPorts], align 16

; Function Attrs: nounwind uwtable
define dso_local i32 @XAddr_GetDefaultPort(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = call i64 @strlen(ptr noundef %7) #4
  store i64 %8, ptr %5, align 8, !tbaa !9
  %9 = load i64, ptr %5, align 8, !tbaa !9
  %10 = icmp ne i64 %9, 0
  br i1 %10, label %12, label %11

11:                                               ; preds = %1
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %37

12:                                               ; preds = %1
  store i64 0, ptr %4, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %34, %12
  %14 = load i64, ptr %4, align 8, !tbaa !9
  %15 = getelementptr inbounds [9 x %struct.XProtocolPorts], ptr @g_defaultPorts, i64 0, i64 %14
  %16 = getelementptr inbounds %struct.XProtocolPorts, ptr %15, i32 0, i32 0
  %17 = load ptr, ptr %16, align 16, !tbaa !11
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = call i32 @strncmp(ptr noundef %17, ptr noundef %18, i64 noundef %19) #4
  %21 = icmp ne i32 %20, 0
  br i1 %21, label %22, label %28

22:                                               ; preds = %13
  %23 = load i64, ptr %4, align 8, !tbaa !9
  %24 = getelementptr inbounds [9 x %struct.XProtocolPorts], ptr @g_defaultPorts, i64 0, i64 %23
  %25 = getelementptr inbounds %struct.XProtocolPorts, ptr %24, i32 0, i32 1
  %26 = load i32, ptr %25, align 8, !tbaa !14
  %27 = icmp slt i32 %26, 0
  br i1 %27, label %28, label %33

28:                                               ; preds = %22, %13
  %29 = load i64, ptr %4, align 8, !tbaa !9
  %30 = getelementptr inbounds [9 x %struct.XProtocolPorts], ptr @g_defaultPorts, i64 0, i64 %29
  %31 = getelementptr inbounds %struct.XProtocolPorts, ptr %30, i32 0, i32 1
  %32 = load i32, ptr %31, align 8, !tbaa !14
  store i32 %32, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %37

33:                                               ; preds = %22
  br label %34

34:                                               ; preds = %33
  %35 = load i64, ptr %4, align 8, !tbaa !9
  %36 = add i64 %35, 1
  store i64 %36, ptr %4, align 8, !tbaa !9
  br label %13

37:                                               ; preds = %28, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %38 = load i32, ptr %2, align 4
  ret i32 %38
}

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

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strncmp(ptr noundef, ptr noundef, i64 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 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 #3 = { nounwind }
attributes #4 = { 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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"XProtocolPorts", !6, i64 0, !13, i64 8, !13, i64 12}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !13, i64 8}


; 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"

%struct.XProtocolPorts = type { ptr, i32, i32 }

@g_defaultPorts = external hidden local_unnamed_addr global [9 x %struct.XProtocolPorts], align 16

; Function Attrs: nofree nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local i32 @XAddr_GetDefaultPort(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %0) #2
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %16, label %.preheader

.preheader:                                       ; preds = %1
  %3 = load ptr, ptr @g_defaultPorts, align 16, !tbaa !5
  %4 = tail call i32 @strncmp(ptr noundef %3, ptr noundef %0, i64 noundef %2) #2
  %.not1011 = icmp eq i32 %4, 0
  br i1 %.not1011, label %._crit_edge, label %.lr.ph

5:                                                ; preds = %.lr.ph
  %6 = add i64 %.0812, 1
  %7 = getelementptr inbounds [9 x %struct.XProtocolPorts], ptr @g_defaultPorts, i64 0, i64 %6
  %8 = load ptr, ptr %7, align 16, !tbaa !5
  %9 = tail call i32 @strncmp(ptr noundef %8, ptr noundef %0, i64 noundef %2) #2
  %.not10 = icmp eq i32 %9, 0
  br i1 %.not10, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %5
  %10 = phi ptr [ %7, %5 ], [ @g_defaultPorts, %.preheader ]
  %.0812 = phi i64 [ %6, %5 ], [ 0, %.preheader ]
  %11 = getelementptr inbounds i8, ptr %10, i64 8
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = icmp slt i32 %12, 0
  br i1 %13, label %._crit_edge, label %5

._crit_edge:                                      ; preds = %5, %.lr.ph, %.preheader
  %.lcssa = phi ptr [ @g_defaultPorts, %.preheader ], [ %10, %.lr.ph ], [ %7, %5 ]
  %14 = getelementptr inbounds i8, ptr %.lcssa, i64 8
  %15 = load i32, ptr %14, align 8, !tbaa !11
  br label %16

16:                                               ; preds = %1, %._crit_edge
  %.0 = phi i32 [ %15, %._crit_edge ], [ -1, %1 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #1

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

attributes #0 = { nofree nounwind memory(read, inaccessiblemem: none) 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 nofree nounwind willreturn memory(argmem: 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 #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, !7, i64 0}
!6 = !{!"XProtocolPorts", !7, i64 0, !10, i64 8, !10, i64 12}
!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}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass