; LLVM IR from aws/s2n-tls :: tls (s2n_quic_support)

; 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.s2n_result = type { i32 }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.1 = external hidden unnamed_addr constant [92 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [92 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: nounwind uwtable
define dso_local i32 @s2n_connection_enable_quic(ptr noundef %0) #3 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %struct.s2n_result, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %1
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %39, label %8

8:                                                ; preds = %5
  br label %9

9:                                                ; preds = %8
  br label %10

10:                                               ; preds = %9
  %11 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %12 = getelementptr inbounds %struct.s2n_debug_info, ptr %11, i32 0, i32 0
  store ptr @.str.1, ptr %12, align 8, !tbaa !9
  %13 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %14 = getelementptr inbounds %struct.s2n_debug_info, ptr %13, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = getelementptr inbounds i8, ptr %15, i64 21
  %17 = call ptr @strrchr(ptr noundef %16, i32 noundef 47) #5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %26

19:                                               ; preds = %10
  %20 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %21 = getelementptr inbounds %struct.s2n_debug_info, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = getelementptr inbounds i8, ptr %22, i64 21
  %24 = call ptr @strrchr(ptr noundef %23, i32 noundef 47) #5
  %25 = getelementptr inbounds i8, ptr %24, i64 1
  br label %31

26:                                               ; preds = %10
  %27 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %28 = getelementptr inbounds %struct.s2n_debug_info, ptr %27, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8, !tbaa !9
  %30 = getelementptr inbounds i8, ptr %29, i64 21
  br label %31

31:                                               ; preds = %26, %19
  %32 = phi ptr [ %25, %19 ], [ %30, %26 ]
  %33 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %34 = getelementptr inbounds %struct.s2n_debug_info, ptr %33, i32 0, i32 1
  store ptr %32, ptr %34, align 8, !tbaa !11
  %35 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %35, align 4, !tbaa !12
  %36 = call i32 @s2n_calculate_stacktrace()
  br label %37

37:                                               ; preds = %31
  store i32 -1, ptr %2, align 4
  br label %94

38:                                               ; No predecessors!
  br label %39

39:                                               ; preds = %38, %5
  br label %40

40:                                               ; preds = %39
  br label %41

41:                                               ; preds = %40
  %42 = load ptr, ptr %3, align 8, !tbaa !5
  %43 = call i32 @s2n_connection_validate_tls13_support(ptr noundef %42)
  %44 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 %43, ptr %44, align 4
  %45 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  %46 = load i32, ptr %45, align 4
  %47 = call zeroext i1 @s2n_result_is_ok(i32 %46)
  br i1 %47, label %49, label %48

48:                                               ; preds = %41
  store i32 -1, ptr %2, align 4
  br label %94

49:                                               ; preds = %41
  br label %50

50:                                               ; preds = %49
  br label %51

51:                                               ; preds = %50
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = load i32, ptr %52, align 8
  %54 = lshr i32 %53, 22
  %55 = and i32 %54, 1
  %56 = icmp ne i32 %55, 0
  br i1 %56, label %57, label %88

57:                                               ; preds = %51
  br label %58

58:                                               ; preds = %57
  br label %59

59:                                               ; preds = %58
  %60 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %61 = getelementptr inbounds %struct.s2n_debug_info, ptr %60, i32 0, i32 0
  store ptr @.str.2, ptr %61, align 8, !tbaa !9
  %62 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %63 = getelementptr inbounds %struct.s2n_debug_info, ptr %62, i32 0, i32 0
  %64 = load ptr, ptr %63, align 8, !tbaa !9
  %65 = getelementptr inbounds i8, ptr %64, i64 21
  %66 = call ptr @strrchr(ptr noundef %65, i32 noundef 47) #5
  %67 = icmp ne ptr %66, null
  br i1 %67, label %68, label %75

68:                                               ; preds = %59
  %69 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %70 = getelementptr inbounds %struct.s2n_debug_info, ptr %69, i32 0, i32 0
  %71 = load ptr, ptr %70, align 8, !tbaa !9
  %72 = getelementptr inbounds i8, ptr %71, i64 21
  %73 = call ptr @strrchr(ptr noundef %72, i32 noundef 47) #5
  %74 = getelementptr inbounds i8, ptr %73, i64 1
  br label %80

75:                                               ; preds = %59
  %76 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %77 = getelementptr inbounds %struct.s2n_debug_info, ptr %76, i32 0, i32 0
  %78 = load ptr, ptr %77, align 8, !tbaa !9
  %79 = getelementptr inbounds i8, ptr %78, i64 21
  br label %80

80:                                               ; preds = %75, %68
  %81 = phi ptr [ %74, %68 ], [ %79, %75 ]
  %82 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %83 = getelementptr inbounds %struct.s2n_debug_info, ptr %82, i32 0, i32 1
  store ptr %81, ptr %83, align 8, !tbaa !11
  %84 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762112, ptr %84, align 4, !tbaa !12
  %85 = call i32 @s2n_calculate_stacktrace()
  br label %86

86:                                               ; preds = %80
  store i32 -1, ptr %2, align 4
  br label %94

87:                                               ; No predecessors!
  br label %88

88:                                               ; preds = %87, %51
  br label %89

89:                                               ; preds = %88
  %90 = load ptr, ptr %3, align 8, !tbaa !5
  %91 = load i32, ptr %90, align 8
  %92 = and i32 %91, -5
  %93 = or i32 %92, 4
  store i32 %93, ptr %90, align 8
  store i32 0, ptr %2, align 4
  br label %94

94:                                               ; preds = %89, %86, %48, %37
  %95 = load i32, ptr %2, align 4
  ret i32 %95
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) #4

declare i32 @s2n_connection_validate_tls13_support(ptr noundef) #2

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 = { 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 = { inlinehint 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 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, !6, i64 0}
!10 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!11 = !{!10, !6, i64 8}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !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 }

@_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.1 = external hidden unnamed_addr constant [92 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [92 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: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_connection_enable_quic(ptr noundef %0) local_unnamed_addr #3 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %10

2:                                                ; preds = %1
  %3 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.1, ptr %3, align 8, !tbaa !5
  %4 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.1, i64 21), i32 noundef 47) #5
  %.not7 = icmp eq ptr %4, null
  %5 = getelementptr inbounds i8, ptr %4, i64 1
  %6 = select i1 %.not7, ptr getelementptr inbounds (i8, ptr @.str.1, i64 21), ptr %5
  %7 = getelementptr inbounds i8, ptr %3, i64 8
  store ptr %6, ptr %7, align 8, !tbaa !10
  %8 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %8, align 4, !tbaa !11
  %9 = tail call i32 @s2n_calculate_stacktrace() #6
  br label %26

10:                                               ; preds = %1
  %11 = tail call i32 @s2n_connection_validate_tls13_support(ptr noundef nonnull %0) #6
  %12 = tail call zeroext i1 @s2n_result_is_ok(i32 %11)
  br i1 %12, label %13, label %26

13:                                               ; preds = %10
  %14 = load i32, ptr %0, align 8
  %15 = and i32 %14, 4194304
  %.not8 = icmp eq i32 %15, 0
  br i1 %.not8, label %24, label %16

16:                                               ; preds = %13
  %17 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.2, ptr %17, align 8, !tbaa !5
  %18 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.2, i64 21), i32 noundef 47) #5
  %.not9 = icmp eq ptr %18, null
  %19 = getelementptr inbounds i8, ptr %18, i64 1
  %20 = select i1 %.not9, ptr getelementptr inbounds (i8, ptr @.str.2, i64 21), ptr %19
  %21 = getelementptr inbounds i8, ptr %17, i64 8
  store ptr %20, ptr %21, align 8, !tbaa !10
  %22 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 469762112, ptr %22, align 4, !tbaa !11
  %23 = tail call i32 @s2n_calculate_stacktrace() #6
  br label %26

24:                                               ; preds = %13
  %25 = or i32 %14, 4
  store i32 %25, ptr %0, align 8
  br label %26

26:                                               ; preds = %10, %24, %16, %2
  %.0 = phi i32 [ -1, %16 ], [ 0, %24 ], [ -1, %2 ], [ -1, %10 ]
  ret i32 %.0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) local_unnamed_addr #4

declare i32 @s2n_connection_validate_tls13_support(ptr noundef) local_unnamed_addr #2

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 = { 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 = { inlinehint 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 willreturn memory(read) }
attributes #6 = { 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}


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