; LLVM IR from aws/s2n-tls :: utils (s2n_socket)

; 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.s2n_debug_info = type { ptr, ptr }
%struct.sockaddr_storage = type { i16, [118 x i8], i64 }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.28 = external hidden unnamed_addr constant [89 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #1

declare i32 @s2n_calculate_stacktrace() #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_socket_is_ipv6(i32 noundef %0, ptr noundef %1) #4 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %struct.sockaddr_storage, align 8
  %8 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  br label %9

9:                                                ; preds = %2
  %10 = load ptr, ptr %5, align 8, !tbaa !9
  %11 = icmp ne ptr %10, null
  br i1 %11, label %43, label %12

12:                                               ; preds = %9
  br label %13

13:                                               ; preds = %12
  br label %14

14:                                               ; preds = %13
  %15 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %16 = getelementptr inbounds %struct.s2n_debug_info, ptr %15, i32 0, i32 0
  store ptr @.str.28, ptr %16, align 8, !tbaa !11
  %17 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %18 = getelementptr inbounds %struct.s2n_debug_info, ptr %17, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = getelementptr inbounds i8, ptr %19, i64 21
  %21 = call ptr @strrchr(ptr noundef %20, i32 noundef 47) #6
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %30

23:                                               ; preds = %14
  %24 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %25 = getelementptr inbounds %struct.s2n_debug_info, ptr %24, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8, !tbaa !11
  %27 = getelementptr inbounds i8, ptr %26, i64 21
  %28 = call ptr @strrchr(ptr noundef %27, i32 noundef 47) #6
  %29 = getelementptr inbounds i8, ptr %28, i64 1
  br label %35

30:                                               ; preds = %14
  %31 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %32 = getelementptr inbounds %struct.s2n_debug_info, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !11
  %34 = getelementptr inbounds i8, ptr %33, i64 21
  br label %35

35:                                               ; preds = %30, %23
  %36 = phi ptr [ %29, %23 ], [ %34, %30 ]
  %37 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %38 = getelementptr inbounds %struct.s2n_debug_info, ptr %37, i32 0, i32 1
  store ptr %36, ptr %38, align 8, !tbaa !13
  %39 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %39, align 4, !tbaa !5
  %40 = call i32 @s2n_calculate_stacktrace()
  br label %41

41:                                               ; preds = %35
  store i32 -1, ptr %3, align 4
  br label %62

42:                                               ; No predecessors!
  br label %43

43:                                               ; preds = %42, %9
  br label %44

44:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 128, ptr %7) #7
  store i32 128, ptr %6, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %44
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = call i32 @getpeername(i32 noundef %46, ptr noundef %7, ptr noundef %6) #7
  %48 = icmp sgt i32 %47, -1
  br i1 %48, label %50, label %49

49:                                               ; preds = %45
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %61

50:                                               ; preds = %45
  br label %51

51:                                               ; preds = %50
  br label %52

52:                                               ; preds = %51
  %53 = load ptr, ptr %5, align 8, !tbaa !9
  store i8 0, ptr %53, align 1, !tbaa !14
  %54 = getelementptr inbounds %struct.sockaddr_storage, ptr %7, i32 0, i32 0
  %55 = load i16, ptr %54, align 8, !tbaa !15
  %56 = zext i16 %55 to i32
  %57 = icmp eq i32 10, %56
  br i1 %57, label %58, label %60

58:                                               ; preds = %52
  %59 = load ptr, ptr %5, align 8, !tbaa !9
  store i8 1, ptr %59, align 1, !tbaa !14
  br label %60

60:                                               ; preds = %58, %52
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %61

61:                                               ; preds = %60, %49
  call void @llvm.lifetime.end.p0(i64 128, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %62

62:                                               ; preds = %61, %41
  %63 = load i32, ptr %3, align 4
  ret i32 %63
}

; Function Attrs: nounwind
declare i32 @getpeername(i32 noundef, ptr noundef, ptr noundef) #5

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { nounwind willreturn memory(read) }
attributes #7 = { 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 = !{!12, !10, i64 0}
!12 = !{!"s2n_debug_info", !10, i64 0, !10, i64 8}
!13 = !{!12, !10, i64 8}
!14 = !{!7, !7, i64 0}
!15 = !{!16, !17, i64 0}
!16 = !{!"sockaddr_storage", !17, i64 0, !7, i64 2, !18, i64 120}
!17 = !{!"short", !7, i64 0}
!18 = !{!"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"

%struct.s2n_debug_info = type { ptr, ptr }
%struct.sockaddr_storage = type { i16, [118 x i8], i64 }

@_s2n_debug_info = external thread_local local_unnamed_addr global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local local_unnamed_addr global i32, align 4
@.str.28 = external hidden unnamed_addr constant [89 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

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

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_socket_is_ipv6(i32 noundef %0, ptr noundef writeonly %1) local_unnamed_addr #4 {
  %3 = alloca i32, align 4
  %4 = alloca %struct.sockaddr_storage, align 8
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %5, label %13

5:                                                ; preds = %2
  %6 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.28, ptr %6, align 8, !tbaa !5
  %7 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.28, i64 21), i32 noundef 47) #6
  %.not6 = icmp eq ptr %7, null
  %8 = getelementptr inbounds i8, ptr %7, i64 1
  %9 = select i1 %.not6, ptr getelementptr inbounds (i8, ptr @.str.28, i64 21), ptr %8
  %10 = getelementptr inbounds i8, ptr %6, i64 8
  store ptr %9, ptr %10, align 8, !tbaa !10
  %11 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %11, align 4, !tbaa !11
  %12 = tail call i32 @s2n_calculate_stacktrace() #7
  br label %20

13:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %4) #7
  store i32 128, ptr %3, align 4, !tbaa !11
  %14 = call i32 @getpeername(i32 noundef %0, ptr noundef nonnull %4, ptr noundef nonnull %3) #7
  %15 = icmp sgt i32 %14, -1
  br i1 %15, label %16, label %19

16:                                               ; preds = %13
  %17 = load i16, ptr %4, align 8, !tbaa !13
  %18 = icmp eq i16 %17, 10
  %spec.store.select = zext i1 %18 to i8
  store i8 %spec.store.select, ptr %1, align 1
  br label %19

19:                                               ; preds = %13, %16
  %.0 = phi i32 [ 0, %16 ], [ -1, %13 ]
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  br label %20

20:                                               ; preds = %19, %5
  %.1 = phi i32 [ %.0, %19 ], [ -1, %5 ]
  ret i32 %.1
}

; Function Attrs: nounwind
declare i32 @getpeername(i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = { "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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { nounwind willreturn memory(read) }
attributes #7 = { 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 = !{!"s2n_debug_info", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!14, !15, i64 0}
!14 = !{!"sockaddr_storage", !15, i64 0, !8, i64 2, !16, i64 120}
!15 = !{!"short", !8, i64 0}
!16 = !{!"long", !8, i64 0}


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