; LLVM IR from aws/s2n-tls :: tests/fuzz (s2n_extensions_server_supported_versions_recv_test)

; 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_stuffer = type { %struct.s2n_blob, i32, i32, i32, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }
%struct.s2n_connection = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, [22 x i8], [22 x i8], [22 x i8], i32, i32, %struct.s2n_timer, i64, i64, [32 x i8], i8, i8, i8, i8, i8, i8, i8, ptr, ptr, %struct.s2n_secrets, ptr, ptr, %struct.s2n_kex_parameters, %struct.s2n_handshake_parameters, %struct.s2n_psk_parameters, ptr, i8, i32, [5 x i8], %struct.s2n_stuffer, %struct.s2n_stuffer, %struct.s2n_stuffer, %struct.s2n_stuffer, i32, i64, [2 x i8], %struct.s2n_stuffer, i8, i8, i8, i8, %struct.s2n_atomic_flag, %struct.s2n_atomic_flag, %struct.s2n_handshake, i16, i32, i16, i64, i8, i64, i64, i64, %struct.s2n_atomic_flag, %struct.s2n_atomic_flag, [256 x i8], [256 x i8], i32, %struct.s2n_blob, i32, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_client_hello, %struct.s2n_x509_validator, ptr, ptr, i8, i32, %struct.s2n_blob, i32, %struct.s2n_ticket_fields, [138 x i8], %struct.s2n_stuffer, %struct.s2n_blob, %struct.s2n_blob, i8, i8, i8, i16, i16, i32, i32, %struct.s2n_blob, i32, %struct.s2n_post_handshake, %struct.s2n_atomic_flag, i8, i8 }
%struct.s2n_timer = type { i64 }
%struct.s2n_secrets = type { %union.anon, i32 }
%union.anon = type { %struct.s2n_tls13_secrets }
%struct.s2n_tls13_secrets = type { [48 x i8], [48 x i8], [48 x i8], [48 x i8], [48 x i8], [48 x i8], [48 x i8], [48 x i8], i32 }
%struct.s2n_kex_parameters = type { %struct.s2n_dh_params, %struct.s2n_ecc_evp_params, [4 x ptr], %struct.s2n_ecc_evp_params, %struct.s2n_kem_group_params, %struct.s2n_kem_group_params, [8 x ptr], %struct.s2n_kem_params, %struct.s2n_blob, %struct.s2n_blob }
%struct.s2n_dh_params = type { ptr }
%struct.s2n_ecc_evp_params = type { ptr, ptr }
%struct.s2n_kem_group_params = type { ptr, %struct.s2n_kem_params, %struct.s2n_ecc_evp_params }
%struct.s2n_kem_params = type { ptr, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_blob, i8 }
%struct.s2n_handshake_parameters = type { %struct.s2n_pkey, %struct.s2n_pkey, %struct.s2n_blob, i32, %struct.s2n_sig_scheme_list, ptr, ptr, ptr, [4 x ptr], [4 x ptr], i8, i8, [32 x i8], [32 x i8] }
%struct.s2n_pkey = type { ptr, ptr, ptr, ptr, ptr, ptr }
%struct.s2n_sig_scheme_list = type { [128 x i16], i8 }
%struct.s2n_psk_parameters = type { i32, %struct.s2n_array, i16, i16, ptr, i32 }
%struct.s2n_array = type { %struct.s2n_blob, i32, i32 }
%struct.s2n_handshake = type { %struct.s2n_stuffer, ptr, [8 x i8], [48 x i8], [48 x i8], i8, i32, i32, i32, i32, %struct.s2n_offered_early_data, i8, i32 }
%struct.s2n_offered_early_data = type { ptr }
%struct.s2n_client_hello = type { %struct.s2n_blob, %struct.s2n_parsed_extensions_list, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_blob, i8, i8, i8 }
%struct.s2n_parsed_extensions_list = type { [21 x %struct.s2n_parsed_extension], %struct.s2n_blob, i16 }
%struct.s2n_parsed_extension = type { %struct.s2n_blob, i16, i16, i8 }
%struct.s2n_x509_validator = type { ptr, ptr, i8, i8, i16, ptr, i32, ptr, %struct.s2n_cert_validation_info, i8 }
%struct.s2n_cert_validation_info = type { i8, [3 x i8] }
%struct.s2n_ticket_fields = type { %struct.s2n_blob, i32 }
%struct.s2n_post_handshake = type { %struct.s2n_stuffer, [4 x i8] }
%struct.s2n_atomic_flag = type { i32 }

@.str = external hidden unnamed_addr constant [133 x i8], align 1
@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@TLS_VERSIONS = external hidden constant [1 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_fuzz_test(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca %struct.s2n_stuffer, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %2
  %11 = load i64, ptr %5, align 8, !tbaa !9
  %12 = icmp ult i64 %11, 1
  br i1 %12, label %13, label %14

13:                                               ; preds = %10
  store i32 0, ptr %3, align 4
  br label %122

14:                                               ; preds = %10
  br label %15

15:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 40, ptr %6) #6
  call void @llvm.memset.p0.i64(ptr align 8 %6, i8 0, i64 40, i1 false)
  br label %16

16:                                               ; preds = %15
  %17 = load i64, ptr %5, align 8, !tbaa !9
  %18 = trunc i64 %17 to i32
  %19 = call i32 @s2n_stuffer_alloc(ptr noundef %6, i32 noundef %18)
  %20 = icmp sgt i32 %19, -1
  br i1 %20, label %22, label %21

21:                                               ; preds = %16
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %121

22:                                               ; preds = %16
  br label %23

23:                                               ; preds = %22
  br label %24

24:                                               ; preds = %23
  br label %25

25:                                               ; preds = %24
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = load i64, ptr %5, align 8, !tbaa !9
  %28 = trunc i64 %27 to i32
  %29 = call i32 @s2n_stuffer_write_bytes(ptr noundef %6, ptr noundef %26, i32 noundef %28)
  %30 = icmp sgt i32 %29, -1
  br i1 %30, label %32, label %31

31:                                               ; preds = %25
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %121

32:                                               ; preds = %25
  br label %33

33:                                               ; preds = %32
  br label %34

34:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %35 = call ptr @s2n_connection_new(i32 noundef 1)
  store ptr %35, ptr %8, align 8, !tbaa !5
  br label %36

36:                                               ; preds = %34
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = icmp ne ptr %37, null
  br i1 %38, label %72, label %39

39:                                               ; preds = %36
  br label %40

40:                                               ; preds = %39
  br label %41

41:                                               ; preds = %40
  %42 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %43 = getelementptr inbounds %struct.s2n_debug_info, ptr %42, i32 0, i32 0
  store ptr @.str, ptr %43, align 8, !tbaa !11
  %44 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %45 = getelementptr inbounds %struct.s2n_debug_info, ptr %44, i32 0, i32 0
  %46 = load ptr, ptr %45, align 8, !tbaa !11
  %47 = getelementptr inbounds i8, ptr %46, i64 21
  %48 = call ptr @strrchr(ptr noundef %47, i32 noundef 47) #7
  %49 = icmp ne ptr %48, null
  br i1 %49, label %50, label %57

50:                                               ; preds = %41
  %51 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %52 = getelementptr inbounds %struct.s2n_debug_info, ptr %51, i32 0, i32 0
  %53 = load ptr, ptr %52, align 8, !tbaa !11
  %54 = getelementptr inbounds i8, ptr %53, i64 21
  %55 = call ptr @strrchr(ptr noundef %54, i32 noundef 47) #7
  %56 = getelementptr inbounds i8, ptr %55, i64 1
  br label %62

57:                                               ; preds = %41
  %58 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %59 = getelementptr inbounds %struct.s2n_debug_info, ptr %58, i32 0, i32 0
  %60 = load ptr, ptr %59, align 8, !tbaa !11
  %61 = getelementptr inbounds i8, ptr %60, i64 21
  br label %62

62:                                               ; preds = %57, %50
  %63 = phi ptr [ %56, %50 ], [ %61, %57 ]
  %64 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %65 = getelementptr inbounds %struct.s2n_debug_info, ptr %64, i32 0, i32 1
  store ptr %63, ptr %65, align 8, !tbaa !13
  %66 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %66, align 4, !tbaa !14
  %67 = call i32 @s2n_calculate_stacktrace()
  br label %68

68:                                               ; preds = %62
  br label %69

69:                                               ; preds = %68
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %120

70:                                               ; No predecessors!
  br label %71

71:                                               ; preds = %70
  br label %72

72:                                               ; preds = %71, %36
  br label %73

73:                                               ; preds = %72
  br label %74

74:                                               ; preds = %73
  %75 = call ptr @s2n_config_new()
  %76 = load ptr, ptr %8, align 8, !tbaa !5
  %77 = getelementptr inbounds %struct.s2n_connection, ptr %76, i32 0, i32 1
  store ptr %75, ptr %77, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #6
  store i8 0, ptr %9, align 1, !tbaa !43
  br label %78

78:                                               ; preds = %74
  %79 = call i32 @s2n_stuffer_read_uint8(ptr noundef %6, ptr noundef %9)
  %80 = icmp sgt i32 %79, -1
  br i1 %80, label %82, label %81

81:                                               ; preds = %78
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %119

82:                                               ; preds = %78
  br label %83

83:                                               ; preds = %82
  br label %84

84:                                               ; preds = %83
  %85 = load i8, ptr %9, align 1, !tbaa !43
  %86 = zext i8 %85 to i64
  %87 = urem i64 %86, 1
  %88 = getelementptr inbounds [1 x i8], ptr @TLS_VERSIONS, i64 0, i64 %87
  %89 = load i8, ptr %88, align 1, !tbaa !43
  %90 = load ptr, ptr %8, align 8, !tbaa !5
  %91 = getelementptr inbounds %struct.s2n_connection, ptr %90, i32 0, i32 21
  store i8 %89, ptr %91, align 2, !tbaa !44
  %92 = load ptr, ptr %8, align 8, !tbaa !5
  %93 = call i32 @s2n_extensions_server_supported_versions_recv(ptr noundef %92, ptr noundef %6)
  br label %94

94:                                               ; preds = %84
  %95 = load ptr, ptr %8, align 8, !tbaa !5
  %96 = getelementptr inbounds %struct.s2n_connection, ptr %95, i32 0, i32 1
  %97 = load ptr, ptr %96, align 8, !tbaa !16
  %98 = call i32 @s2n_config_free(ptr noundef %97)
  %99 = icmp sgt i32 %98, -1
  br i1 %99, label %101, label %100

100:                                              ; preds = %94
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %119

101:                                              ; preds = %94
  br label %102

102:                                              ; preds = %101
  br label %103

103:                                              ; preds = %102
  br label %104

104:                                              ; preds = %103
  %105 = load ptr, ptr %8, align 8, !tbaa !5
  %106 = call i32 @s2n_connection_free(ptr noundef %105)
  %107 = icmp sgt i32 %106, -1
  br i1 %107, label %109, label %108

108:                                              ; preds = %104
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %119

109:                                              ; preds = %104
  br label %110

110:                                              ; preds = %109
  br label %111

111:                                              ; preds = %110
  br label %112

112:                                              ; preds = %111
  %113 = call i32 @s2n_stuffer_free(ptr noundef %6)
  %114 = icmp sgt i32 %113, -1
  br i1 %114, label %116, label %115

115:                                              ; preds = %112
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %119

116:                                              ; preds = %112
  br label %117

117:                                              ; preds = %116
  br label %118

118:                                              ; preds = %117
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %119

119:                                              ; preds = %118, %115, %108, %100, %81
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  br label %120

120:                                              ; preds = %119, %69
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %121

121:                                              ; preds = %120, %31, %21
  call void @llvm.lifetime.end.p0(i64 40, ptr %6) #6
  br label %122

122:                                              ; preds = %121, %13
  %123 = load i32, ptr %3, align 4
  ret i32 %123
}

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare i32 @s2n_stuffer_alloc(ptr noundef, i32 noundef) #3

declare i32 @s2n_stuffer_write_bytes(ptr noundef, ptr noundef, i32 noundef) #3

declare ptr @s2n_connection_new(i32 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #4

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #5

declare i32 @s2n_calculate_stacktrace() #3

declare ptr @s2n_config_new() #3

declare i32 @s2n_stuffer_read_uint8(ptr noundef, ptr noundef) #3

declare i32 @s2n_extensions_server_supported_versions_recv(ptr noundef, ptr noundef) #3

declare i32 @s2n_config_free(ptr noundef) #3

declare i32 @s2n_connection_free(ptr noundef) #3

declare i32 @s2n_stuffer_free(ptr noundef) #3

; 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 #6 = { nounwind }
attributes #7 = { 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 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{!17, !6, i64 8}
!17 = !{!"s2n_connection", !15, i64 0, !15, i64 0, !15, i64 0, !15, i64 0, !15, i64 0, !15, i64 0, !15, i64 0, !15, i64 0, !15, i64 1, !15, i64 1, !15, i64 1, !15, i64 1, !15, i64 1, !15, i64 1, !15, i64 1, !15, i64 1, !15, i64 2, !15, i64 2, !15, i64 2, !15, i64 2, !15, i64 2, !15, i64 2, !15, i64 2, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !7, i64 80, !7, i64 102, !7, i64 124, !15, i64 148, !15, i64 152, !18, i64 160, !10, i64 168, !10, i64 176, !7, i64 184, !7, i64 216, !7, i64 217, !7, i64 218, !7, i64 219, !7, i64 220, !7, i64 221, !7, i64 222, !6, i64 224, !6, i64 232, !19, i64 240, !6, i64 632, !6, i64 640, !20, i64 648, !27, i64 1144, !30, i64 1688, !6, i64 1752, !7, i64 1760, !15, i64 1764, !7, i64 1768, !33, i64 1776, !33, i64 1816, !33, i64 1856, !33, i64 1896, !15, i64 1936, !10, i64 1944, !7, i64 1952, !33, i64 1960, !7, i64 2000, !7, i64 2001, !7, i64 2002, !26, i64 2003, !34, i64 2004, !34, i64 2008, !35, i64 2016, !32, i64 2208, !15, i64 2212, !32, i64 2216, !10, i64 2224, !7, i64 2232, !10, i64 2240, !10, i64 2248, !10, i64 2256, !34, i64 2264, !34, i64 2268, !7, i64 2272, !7, i64 2528, !15, i64 2784, !25, i64 2792, !15, i64 2816, !25, i64 2824, !25, i64 2848, !25, i64 2872, !37, i64 2896, !39, i64 3704, !6, i64 3760, !6, i64 3768, !7, i64 3776, !15, i64 3780, !25, i64 3784, !15, i64 3808, !41, i64 3816, !7, i64 3848, !33, i64 3992, !25, i64 4032, !25, i64 4056, !26, i64 4080, !26, i64 4081, !26, i64 4082, !32, i64 4084, !32, i64 4086, !15, i64 4088, !15, i64 4092, !25, i64 4096, !15, i64 4120, !42, i64 4128, !34, i64 4176, !7, i64 4180, !7, i64 4181}
!18 = !{!"s2n_timer", !10, i64 0}
!19 = !{!"s2n_secrets", !7, i64 0, !15, i64 388}
!20 = !{!"s2n_kex_parameters", !21, i64 0, !22, i64 8, !7, i64 24, !22, i64 56, !23, i64 72, !23, i64 184, !7, i64 296, !24, i64 360, !25, i64 448, !25, i64 472}
!21 = !{!"s2n_dh_params", !6, i64 0}
!22 = !{!"s2n_ecc_evp_params", !6, i64 0, !6, i64 8}
!23 = !{!"s2n_kem_group_params", !6, i64 0, !24, i64 8, !22, i64 96}
!24 = !{!"s2n_kem_params", !6, i64 0, !25, i64 8, !25, i64 32, !25, i64 56, !26, i64 80}
!25 = !{!"s2n_blob", !6, i64 0, !15, i64 8, !15, i64 12, !15, i64 16}
!26 = !{!"_Bool", !7, i64 0}
!27 = !{!"s2n_handshake_parameters", !28, i64 0, !28, i64 48, !25, i64 96, !15, i64 120, !29, i64 124, !6, i64 384, !6, i64 392, !6, i64 400, !7, i64 408, !7, i64 440, !7, i64 472, !7, i64 473, !7, i64 474, !7, i64 506}
!28 = !{!"s2n_pkey", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!29 = !{!"s2n_sig_scheme_list", !7, i64 0, !7, i64 256}
!30 = !{!"s2n_psk_parameters", !15, i64 0, !31, i64 8, !32, i64 40, !32, i64 42, !6, i64 48, !15, i64 56}
!31 = !{!"s2n_array", !25, i64 0, !15, i64 24, !15, i64 28}
!32 = !{!"short", !7, i64 0}
!33 = !{!"s2n_stuffer", !25, i64 0, !15, i64 24, !15, i64 28, !15, i64 32, !15, i64 36, !15, i64 36, !15, i64 36}
!34 = !{!"", !15, i64 0}
!35 = !{!"s2n_handshake", !33, i64 0, !6, i64 40, !7, i64 48, !7, i64 56, !7, i64 104, !7, i64 152, !15, i64 156, !15, i64 160, !15, i64 164, !15, i64 168, !36, i64 176, !15, i64 184, !15, i64 184, !15, i64 184, !15, i64 184, !15, i64 188}
!36 = !{!"s2n_offered_early_data", !6, i64 0}
!37 = !{!"s2n_client_hello", !25, i64 0, !38, i64 24, !25, i64 728, !25, i64 752, !25, i64 776, !7, i64 800, !7, i64 801, !15, i64 802, !15, i64 802, !15, i64 802, !15, i64 802, !15, i64 802, !15, i64 802, !15, i64 802}
!38 = !{!"", !7, i64 0, !25, i64 672, !32, i64 696}
!39 = !{!"s2n_x509_validator", !6, i64 0, !6, i64 8, !7, i64 16, !7, i64 17, !32, i64 18, !6, i64 24, !15, i64 32, !6, i64 40, !40, i64 48, !26, i64 52}
!40 = !{!"s2n_cert_validation_info", !15, i64 0, !15, i64 0}
!41 = !{!"s2n_ticket_fields", !25, i64 0, !15, i64 24}
!42 = !{!"s2n_post_handshake", !33, i64 0, !7, i64 40}
!43 = !{!7, !7, i64 0}
!44 = !{!17, !7, i64 218}


; 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.s2n_stuffer = type { %struct.s2n_blob, i32, i32, i32, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }

@.str = external hidden unnamed_addr constant [133 x i8], align 1
@_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
@TLS_VERSIONS = external hidden local_unnamed_addr constant [1 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_fuzz_test(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = alloca %struct.s2n_stuffer, align 8
  %4 = alloca i8, align 1
  %5 = icmp eq i64 %1, 0
  br i1 %5, label %42, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #6
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %3, i8 0, i64 40, i1 false)
  %7 = trunc i64 %1 to i32
  %8 = call i32 @s2n_stuffer_alloc(ptr noundef nonnull %3, i32 noundef %7) #6
  %9 = icmp sgt i32 %8, -1
  br i1 %9, label %10, label %41

10:                                               ; preds = %6
  %11 = call i32 @s2n_stuffer_write_bytes(ptr noundef nonnull %3, ptr noundef %0, i32 noundef %7) #6
  %12 = icmp sgt i32 %11, -1
  br i1 %12, label %13, label %41

13:                                               ; preds = %10
  %14 = call ptr @s2n_connection_new(i32 noundef 1) #6
  %.not = icmp eq ptr %14, null
  br i1 %.not, label %15, label %23

15:                                               ; preds = %13
  %16 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str, ptr %16, align 8, !tbaa !5
  %17 = call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str, i64 21), i32 noundef 47) #7
  %.not13 = icmp eq ptr %17, null
  %18 = getelementptr inbounds i8, ptr %17, i64 1
  %19 = select i1 %.not13, ptr getelementptr inbounds (i8, ptr @.str, i64 21), ptr %18
  %20 = getelementptr inbounds i8, ptr %16, i64 8
  store ptr %19, ptr %20, align 8, !tbaa !10
  %21 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %21, align 4, !tbaa !11
  %22 = call i32 @s2n_calculate_stacktrace() #6
  br label %41

23:                                               ; preds = %13
  %24 = call ptr @s2n_config_new() #6
  %25 = getelementptr inbounds i8, ptr %14, i64 8
  store ptr %24, ptr %25, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  store i8 0, ptr %4, align 1, !tbaa !41
  %26 = call i32 @s2n_stuffer_read_uint8(ptr noundef nonnull %3, ptr noundef nonnull %4) #6
  %27 = icmp sgt i32 %26, -1
  br i1 %27, label %28, label %40

28:                                               ; preds = %23
  %29 = load i8, ptr @TLS_VERSIONS, align 1, !tbaa !41
  %30 = getelementptr inbounds i8, ptr %14, i64 218
  store i8 %29, ptr %30, align 2, !tbaa !42
  %31 = call i32 @s2n_extensions_server_supported_versions_recv(ptr noundef nonnull %14, ptr noundef nonnull %3) #6
  %32 = load ptr, ptr %25, align 8, !tbaa !13
  %33 = call i32 @s2n_config_free(ptr noundef %32) #6
  %34 = icmp sgt i32 %33, -1
  br i1 %34, label %35, label %40

35:                                               ; preds = %28
  %36 = call i32 @s2n_connection_free(ptr noundef nonnull %14) #6
  %37 = icmp sgt i32 %36, -1
  br i1 %37, label %38, label %40

38:                                               ; preds = %35
  %39 = call i32 @s2n_stuffer_free(ptr noundef nonnull %3) #6
  %.lobit = ashr i32 %39, 31
  br label %40

40:                                               ; preds = %38, %35, %28, %23
  %.0 = phi i32 [ -1, %23 ], [ -1, %28 ], [ -1, %35 ], [ %.lobit, %38 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %41

41:                                               ; preds = %15, %40, %10, %6
  %.2 = phi i32 [ -1, %6 ], [ -1, %10 ], [ %.0, %40 ], [ -1, %15 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #6
  br label %42

42:                                               ; preds = %2, %41
  %.3 = phi i32 [ %.2, %41 ], [ 0, %2 ]
  ret i32 %.3
}

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare i32 @s2n_stuffer_alloc(ptr noundef, i32 noundef) local_unnamed_addr #3

declare i32 @s2n_stuffer_write_bytes(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

declare ptr @s2n_connection_new(i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #4

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #5

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #3

declare ptr @s2n_config_new() local_unnamed_addr #3

declare i32 @s2n_stuffer_read_uint8(ptr noundef, ptr noundef) local_unnamed_addr #3

declare i32 @s2n_extensions_server_supported_versions_recv(ptr noundef, ptr noundef) local_unnamed_addr #3

declare i32 @s2n_config_free(ptr noundef) local_unnamed_addr #3

declare i32 @s2n_connection_free(ptr noundef) local_unnamed_addr #3

declare i32 @s2n_stuffer_free(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { "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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 #6 = { nounwind }
attributes #7 = { 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 = !{!"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, !7, i64 8}
!14 = !{!"s2n_connection", !12, i64 0, !12, i64 0, !12, i64 0, !12, i64 0, !12, i64 0, !12, i64 0, !12, i64 0, !12, i64 0, !12, i64 1, !12, i64 1, !12, i64 1, !12, i64 1, !12, i64 1, !12, i64 1, !12, i64 1, !12, i64 1, !12, i64 2, !12, i64 2, !12, i64 2, !12, i64 2, !12, i64 2, !12, i64 2, !12, i64 2, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !8, i64 80, !8, i64 102, !8, i64 124, !12, i64 148, !12, i64 152, !15, i64 160, !16, i64 168, !16, i64 176, !8, i64 184, !8, i64 216, !8, i64 217, !8, i64 218, !8, i64 219, !8, i64 220, !8, i64 221, !8, i64 222, !7, i64 224, !7, i64 232, !17, i64 240, !7, i64 632, !7, i64 640, !18, i64 648, !25, i64 1144, !28, i64 1688, !7, i64 1752, !8, i64 1760, !12, i64 1764, !8, i64 1768, !31, i64 1776, !31, i64 1816, !31, i64 1856, !31, i64 1896, !12, i64 1936, !16, i64 1944, !8, i64 1952, !31, i64 1960, !8, i64 2000, !8, i64 2001, !8, i64 2002, !24, i64 2003, !32, i64 2004, !32, i64 2008, !33, i64 2016, !30, i64 2208, !12, i64 2212, !30, i64 2216, !16, i64 2224, !8, i64 2232, !16, i64 2240, !16, i64 2248, !16, i64 2256, !32, i64 2264, !32, i64 2268, !8, i64 2272, !8, i64 2528, !12, i64 2784, !23, i64 2792, !12, i64 2816, !23, i64 2824, !23, i64 2848, !23, i64 2872, !35, i64 2896, !37, i64 3704, !7, i64 3760, !7, i64 3768, !8, i64 3776, !12, i64 3780, !23, i64 3784, !12, i64 3808, !39, i64 3816, !8, i64 3848, !31, i64 3992, !23, i64 4032, !23, i64 4056, !24, i64 4080, !24, i64 4081, !24, i64 4082, !30, i64 4084, !30, i64 4086, !12, i64 4088, !12, i64 4092, !23, i64 4096, !12, i64 4120, !40, i64 4128, !32, i64 4176, !8, i64 4180, !8, i64 4181}
!15 = !{!"s2n_timer", !16, i64 0}
!16 = !{!"long", !8, i64 0}
!17 = !{!"s2n_secrets", !8, i64 0, !12, i64 388}
!18 = !{!"s2n_kex_parameters", !19, i64 0, !20, i64 8, !8, i64 24, !20, i64 56, !21, i64 72, !21, i64 184, !8, i64 296, !22, i64 360, !23, i64 448, !23, i64 472}
!19 = !{!"s2n_dh_params", !7, i64 0}
!20 = !{!"s2n_ecc_evp_params", !7, i64 0, !7, i64 8}
!21 = !{!"s2n_kem_group_params", !7, i64 0, !22, i64 8, !20, i64 96}
!22 = !{!"s2n_kem_params", !7, i64 0, !23, i64 8, !23, i64 32, !23, i64 56, !24, i64 80}
!23 = !{!"s2n_blob", !7, i64 0, !12, i64 8, !12, i64 12, !12, i64 16}
!24 = !{!"_Bool", !8, i64 0}
!25 = !{!"s2n_handshake_parameters", !26, i64 0, !26, i64 48, !23, i64 96, !12, i64 120, !27, i64 124, !7, i64 384, !7, i64 392, !7, i64 400, !8, i64 408, !8, i64 440, !8, i64 472, !8, i64 473, !8, i64 474, !8, i64 506}
!26 = !{!"s2n_pkey", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!27 = !{!"s2n_sig_scheme_list", !8, i64 0, !8, i64 256}
!28 = !{!"s2n_psk_parameters", !12, i64 0, !29, i64 8, !30, i64 40, !30, i64 42, !7, i64 48, !12, i64 56}
!29 = !{!"s2n_array", !23, i64 0, !12, i64 24, !12, i64 28}
!30 = !{!"short", !8, i64 0}
!31 = !{!"s2n_stuffer", !23, i64 0, !12, i64 24, !12, i64 28, !12, i64 32, !12, i64 36, !12, i64 36, !12, i64 36}
!32 = !{!"", !12, i64 0}
!33 = !{!"s2n_handshake", !31, i64 0, !7, i64 40, !8, i64 48, !8, i64 56, !8, i64 104, !8, i64 152, !12, i64 156, !12, i64 160, !12, i64 164, !12, i64 168, !34, i64 176, !12, i64 184, !12, i64 184, !12, i64 184, !12, i64 184, !12, i64 188}
!34 = !{!"s2n_offered_early_data", !7, i64 0}
!35 = !{!"s2n_client_hello", !23, i64 0, !36, i64 24, !23, i64 728, !23, i64 752, !23, i64 776, !8, i64 800, !8, i64 801, !12, i64 802, !12, i64 802, !12, i64 802, !12, i64 802, !12, i64 802, !12, i64 802, !12, i64 802}
!36 = !{!"", !8, i64 0, !23, i64 672, !30, i64 696}
!37 = !{!"s2n_x509_validator", !7, i64 0, !7, i64 8, !8, i64 16, !8, i64 17, !30, i64 18, !7, i64 24, !12, i64 32, !7, i64 40, !38, i64 48, !24, i64 52}
!38 = !{!"s2n_cert_validation_info", !12, i64 0, !12, i64 0}
!39 = !{!"s2n_ticket_fields", !23, i64 0, !12, i64 24}
!40 = !{!"s2n_post_handshake", !31, i64 0, !8, i64 40}
!41 = !{!8, !8, i64 0}
!42 = !{!14, !8, i64 218}


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