; LLVM IR from aws/s2n-tls :: tests/fuzz (s2n_client_hello_recv_fuzz_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_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_stuffer = type { %struct.s2n_blob, i32, i32, i32, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }
%struct.s2n_post_handshake = type { %struct.s2n_stuffer, [4 x i8] }
%struct.s2n_atomic_flag = type { i32 }

@.str = external hidden unnamed_addr constant [114 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 [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @client_hello_cb_ret(ptr noundef, ptr noundef) #0

; 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 ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  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, 2
  br i1 %12, label %13, label %14

13:                                               ; preds = %10
  store i32 0, ptr %3, align 4
  br label %133

14:                                               ; preds = %10
  br label %15

15:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %16 = call ptr @s2n_connection_new(i32 noundef 0)
  store ptr %16, ptr %6, align 8, !tbaa !5
  br label %17

17:                                               ; preds = %15
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = icmp ne ptr %18, null
  br i1 %19, label %53, label %20

20:                                               ; preds = %17
  br label %21

21:                                               ; preds = %20
  br label %22

22:                                               ; preds = %21
  %23 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %24 = getelementptr inbounds %struct.s2n_debug_info, ptr %23, i32 0, i32 0
  store ptr @.str, ptr %24, align 8, !tbaa !11
  %25 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %26 = getelementptr inbounds %struct.s2n_debug_info, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !11
  %28 = getelementptr inbounds i8, ptr %27, i64 21
  %29 = call ptr @strrchr(ptr noundef %28, i32 noundef 47) #6
  %30 = icmp ne ptr %29, null
  br i1 %30, label %31, label %38

31:                                               ; preds = %22
  %32 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %33 = getelementptr inbounds %struct.s2n_debug_info, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !11
  %35 = getelementptr inbounds i8, ptr %34, i64 21
  %36 = call ptr @strrchr(ptr noundef %35, i32 noundef 47) #6
  %37 = getelementptr inbounds i8, ptr %36, i64 1
  br label %43

38:                                               ; preds = %22
  %39 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %40 = getelementptr inbounds %struct.s2n_debug_info, ptr %39, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8, !tbaa !11
  %42 = getelementptr inbounds i8, ptr %41, i64 21
  br label %43

43:                                               ; preds = %38, %31
  %44 = phi ptr [ %37, %31 ], [ %42, %38 ]
  %45 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %46 = getelementptr inbounds %struct.s2n_debug_info, ptr %45, i32 0, i32 1
  store ptr %44, ptr %46, align 8, !tbaa !13
  %47 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %47, align 4, !tbaa !14
  %48 = call i32 @s2n_calculate_stacktrace()
  br label %49

49:                                               ; preds = %43
  br label %50

50:                                               ; preds = %49
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %132

51:                                               ; No predecessors!
  br label %52

52:                                               ; preds = %51
  br label %53

53:                                               ; preds = %52, %17
  br label %54

54:                                               ; preds = %53
  br label %55

55:                                               ; preds = %54
  br label %56

56:                                               ; preds = %55
  %57 = load ptr, ptr %6, align 8, !tbaa !5
  %58 = getelementptr inbounds %struct.s2n_connection, ptr %57, i32 0, i32 52
  %59 = getelementptr inbounds %struct.s2n_handshake, ptr %58, i32 0, i32 0
  %60 = load ptr, ptr %4, align 8, !tbaa !5
  %61 = load i64, ptr %5, align 8, !tbaa !9
  %62 = trunc i64 %61 to i32
  %63 = call i32 @s2n_stuffer_write_bytes(ptr noundef %59, ptr noundef %60, i32 noundef %62)
  %64 = icmp sgt i32 %63, -1
  br i1 %64, label %66, label %65

65:                                               ; preds = %56
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %132

66:                                               ; preds = %56
  br label %67

67:                                               ; preds = %66
  br label %68

68:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  store i8 0, ptr %8, align 1, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !14
  br label %69

69:                                               ; preds = %68
  %70 = load ptr, ptr %6, align 8, !tbaa !5
  %71 = getelementptr inbounds %struct.s2n_connection, ptr %70, i32 0, i32 52
  %72 = getelementptr inbounds %struct.s2n_handshake, ptr %71, i32 0, i32 0
  %73 = call i32 @s2n_stuffer_read_uint8(ptr noundef %72, ptr noundef %8)
  %74 = icmp sgt i32 %73, -1
  br i1 %74, label %76, label %75

75:                                               ; preds = %69
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %131

76:                                               ; preds = %69
  br label %77

77:                                               ; preds = %76
  br label %78

78:                                               ; preds = %77
  %79 = load i8, ptr %8, align 1, !tbaa !16
  %80 = zext i8 %79 to i32
  %81 = and i32 %80, 15
  %82 = sext i32 %81 to i64
  %83 = urem i64 %82, 4
  %84 = getelementptr inbounds [4 x i8], ptr @TLS_VERSIONS, i64 0, i64 %83
  %85 = load i8, ptr %84, align 1, !tbaa !16
  %86 = load ptr, ptr %6, align 8, !tbaa !5
  %87 = getelementptr inbounds %struct.s2n_connection, ptr %86, i32 0, i32 23
  store i8 %85, ptr %87, align 4, !tbaa !17
  %88 = load i8, ptr %8, align 1, !tbaa !16
  %89 = zext i8 %88 to i32
  %90 = ashr i32 %89, 4
  %91 = sext i32 %90 to i64
  %92 = urem i64 %91, 4
  %93 = getelementptr inbounds [4 x i8], ptr @TLS_VERSIONS, i64 0, i64 %92
  %94 = load i8, ptr %93, align 1, !tbaa !16
  %95 = load ptr, ptr %6, align 8, !tbaa !5
  %96 = getelementptr inbounds %struct.s2n_connection, ptr %95, i32 0, i32 22
  store i8 %94, ptr %96, align 1, !tbaa !44
  br label %97

97:                                               ; preds = %78
  %98 = load ptr, ptr %6, align 8, !tbaa !5
  %99 = getelementptr inbounds %struct.s2n_connection, ptr %98, i32 0, i32 52
  %100 = getelementptr inbounds %struct.s2n_handshake, ptr %99, i32 0, i32 0
  %101 = call i32 @s2n_stuffer_read_uint8(ptr noundef %100, ptr noundef %8)
  %102 = icmp sgt i32 %101, -1
  br i1 %102, label %104, label %103

103:                                              ; preds = %97
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %131

104:                                              ; preds = %97
  br label %105

105:                                              ; preds = %104
  br label %106

106:                                              ; preds = %105
  %107 = load i8, ptr %8, align 1, !tbaa !16
  %108 = zext i8 %107 to i32
  %109 = srem i32 %108, 3
  %110 = sub nsw i32 %109, 1
  store i32 %110, ptr %9, align 4, !tbaa !14
  br label %111

111:                                              ; preds = %106
  %112 = load ptr, ptr %6, align 8, !tbaa !5
  %113 = getelementptr inbounds %struct.s2n_connection, ptr %112, i32 0, i32 1
  %114 = load ptr, ptr %113, align 8, !tbaa !45
  %115 = call i32 @s2n_config_set_client_hello_cb(ptr noundef %114, ptr noundef @client_hello_cb_ret, ptr noundef %9)
  %116 = icmp sgt i32 %115, -1
  br i1 %116, label %118, label %117

117:                                              ; preds = %111
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %131

118:                                              ; preds = %111
  br label %119

119:                                              ; preds = %118
  br label %120

120:                                              ; preds = %119
  %121 = load ptr, ptr %6, align 8, !tbaa !5
  %122 = call i32 @s2n_client_hello_recv(ptr noundef %121)
  br label %123

123:                                              ; preds = %120
  %124 = load ptr, ptr %6, align 8, !tbaa !5
  %125 = call i32 @s2n_connection_free(ptr noundef %124)
  %126 = icmp sgt i32 %125, -1
  br i1 %126, label %128, label %127

127:                                              ; preds = %123
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %131

128:                                              ; preds = %123
  br label %129

129:                                              ; preds = %128
  br label %130

130:                                              ; preds = %129
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %131

131:                                              ; preds = %130, %127, %117, %103, %75
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  br label %132

132:                                              ; preds = %131, %65, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %133

133:                                              ; preds = %132, %13
  %134 = load i32, ptr %3, align 4
  ret i32 %134
}

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

declare ptr @s2n_connection_new(i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #3

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #4

declare i32 @s2n_calculate_stacktrace() #2

declare i32 @s2n_stuffer_write_bytes(ptr noundef, ptr noundef, i32 noundef) #2

declare i32 @s2n_stuffer_read_uint8(ptr noundef, ptr noundef) #2

declare i32 @s2n_config_set_client_hello_cb(ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @s2n_client_hello_recv(ptr noundef) #2

declare i32 @s2n_connection_free(ptr 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 = { "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 speculatable willreturn memory(none) }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { 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 = !{!7, !7, i64 0}
!17 = !{!18, !7, i64 220}
!18 = !{!"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, !19, 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, !20, i64 240, !6, i64 632, !6, i64 640, !21, i64 648, !28, i64 1144, !31, i64 1688, !6, i64 1752, !7, i64 1760, !15, i64 1764, !7, i64 1768, !34, i64 1776, !34, i64 1816, !34, i64 1856, !34, i64 1896, !15, i64 1936, !10, i64 1944, !7, i64 1952, !34, i64 1960, !7, i64 2000, !7, i64 2001, !7, i64 2002, !27, i64 2003, !35, i64 2004, !35, i64 2008, !36, i64 2016, !33, i64 2208, !15, i64 2212, !33, i64 2216, !10, i64 2224, !7, i64 2232, !10, i64 2240, !10, i64 2248, !10, i64 2256, !35, i64 2264, !35, i64 2268, !7, i64 2272, !7, i64 2528, !15, i64 2784, !26, i64 2792, !15, i64 2816, !26, i64 2824, !26, i64 2848, !26, i64 2872, !38, i64 2896, !40, i64 3704, !6, i64 3760, !6, i64 3768, !7, i64 3776, !15, i64 3780, !26, i64 3784, !15, i64 3808, !42, i64 3816, !7, i64 3848, !34, i64 3992, !26, i64 4032, !26, i64 4056, !27, i64 4080, !27, i64 4081, !27, i64 4082, !33, i64 4084, !33, i64 4086, !15, i64 4088, !15, i64 4092, !26, i64 4096, !15, i64 4120, !43, i64 4128, !35, i64 4176, !7, i64 4180, !7, i64 4181}
!19 = !{!"s2n_timer", !10, i64 0}
!20 = !{!"s2n_secrets", !7, i64 0, !15, i64 388}
!21 = !{!"s2n_kex_parameters", !22, i64 0, !23, i64 8, !7, i64 24, !23, i64 56, !24, i64 72, !24, i64 184, !7, i64 296, !25, i64 360, !26, i64 448, !26, i64 472}
!22 = !{!"s2n_dh_params", !6, i64 0}
!23 = !{!"s2n_ecc_evp_params", !6, i64 0, !6, i64 8}
!24 = !{!"s2n_kem_group_params", !6, i64 0, !25, i64 8, !23, i64 96}
!25 = !{!"s2n_kem_params", !6, i64 0, !26, i64 8, !26, i64 32, !26, i64 56, !27, i64 80}
!26 = !{!"s2n_blob", !6, i64 0, !15, i64 8, !15, i64 12, !15, i64 16}
!27 = !{!"_Bool", !7, i64 0}
!28 = !{!"s2n_handshake_parameters", !29, i64 0, !29, i64 48, !26, i64 96, !15, i64 120, !30, 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}
!29 = !{!"s2n_pkey", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!30 = !{!"s2n_sig_scheme_list", !7, i64 0, !7, i64 256}
!31 = !{!"s2n_psk_parameters", !15, i64 0, !32, i64 8, !33, i64 40, !33, i64 42, !6, i64 48, !15, i64 56}
!32 = !{!"s2n_array", !26, i64 0, !15, i64 24, !15, i64 28}
!33 = !{!"short", !7, i64 0}
!34 = !{!"s2n_stuffer", !26, i64 0, !15, i64 24, !15, i64 28, !15, i64 32, !15, i64 36, !15, i64 36, !15, i64 36}
!35 = !{!"", !15, i64 0}
!36 = !{!"s2n_handshake", !34, 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, !37, i64 176, !15, i64 184, !15, i64 184, !15, i64 184, !15, i64 184, !15, i64 188}
!37 = !{!"s2n_offered_early_data", !6, i64 0}
!38 = !{!"s2n_client_hello", !26, i64 0, !39, i64 24, !26, i64 728, !26, i64 752, !26, 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}
!39 = !{!"", !7, i64 0, !26, i64 672, !33, i64 696}
!40 = !{!"s2n_x509_validator", !6, i64 0, !6, i64 8, !7, i64 16, !7, i64 17, !33, i64 18, !6, i64 24, !15, i64 32, !6, i64 40, !41, i64 48, !27, i64 52}
!41 = !{!"s2n_cert_validation_info", !15, i64 0, !15, i64 0}
!42 = !{!"s2n_ticket_fields", !26, i64 0, !15, i64 24}
!43 = !{!"s2n_post_handshake", !34, i64 0, !7, i64 40}
!44 = !{!18, !7, i64 219}
!45 = !{!18, !6, 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.s2n_debug_info = type { ptr, ptr }

@.str = external hidden unnamed_addr constant [114 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 [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @client_hello_cb_ret(ptr noundef, ptr noundef) #0

; 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 i8, align 1
  %4 = alloca i32, align 4
  %5 = icmp ult i64 %1, 2
  br i1 %5, label %52, label %6

6:                                                ; preds = %2
  %7 = tail call ptr @s2n_connection_new(i32 noundef 0) #5
  %.not = icmp eq ptr %7, null
  br i1 %.not, label %8, label %16

8:                                                ; preds = %6
  %9 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str, ptr %9, align 8, !tbaa !5
  %10 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str, i64 21), i32 noundef 47) #6
  %.not15 = icmp eq ptr %10, null
  %11 = getelementptr inbounds i8, ptr %10, i64 1
  %12 = select i1 %.not15, ptr getelementptr inbounds (i8, ptr @.str, i64 21), ptr %11
  %13 = getelementptr inbounds i8, ptr %9, i64 8
  store ptr %12, ptr %13, align 8, !tbaa !10
  %14 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %14, align 4, !tbaa !11
  %15 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %52

16:                                               ; preds = %6
  %17 = getelementptr inbounds i8, ptr %7, i64 2016
  %18 = trunc i64 %1 to i32
  %19 = tail call i32 @s2n_stuffer_write_bytes(ptr noundef nonnull %17, ptr noundef %0, i32 noundef %18) #5
  %20 = icmp sgt i32 %19, -1
  br i1 %20, label %21, label %52

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  store i8 0, ptr %3, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  %22 = call i32 @s2n_stuffer_read_uint8(ptr noundef nonnull %17, ptr noundef nonnull %3) #5
  %23 = icmp sgt i32 %22, -1
  br i1 %23, label %24, label %51

24:                                               ; preds = %21
  %25 = load i8, ptr %3, align 1, !tbaa !13
  %26 = and i8 %25, 3
  %27 = zext nneg i8 %26 to i64
  %28 = getelementptr inbounds [4 x i8], ptr @TLS_VERSIONS, i64 0, i64 %27
  %29 = load i8, ptr %28, align 1, !tbaa !13
  %30 = getelementptr inbounds i8, ptr %7, i64 220
  store i8 %29, ptr %30, align 4, !tbaa !14
  %31 = lshr i8 %25, 4
  %32 = and i8 %31, 3
  %33 = zext nneg i8 %32 to i64
  %34 = getelementptr inbounds [4 x i8], ptr @TLS_VERSIONS, i64 0, i64 %33
  %35 = load i8, ptr %34, align 1, !tbaa !13
  %36 = getelementptr inbounds i8, ptr %7, i64 219
  store i8 %35, ptr %36, align 1, !tbaa !42
  %37 = call i32 @s2n_stuffer_read_uint8(ptr noundef nonnull %17, ptr noundef nonnull %3) #5
  %38 = icmp sgt i32 %37, -1
  br i1 %38, label %39, label %51

39:                                               ; preds = %24
  %40 = load i8, ptr %3, align 1, !tbaa !13
  %41 = urem i8 %40, 3
  %42 = zext nneg i8 %41 to i32
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr %4, align 4, !tbaa !11
  %44 = getelementptr inbounds i8, ptr %7, i64 8
  %45 = load ptr, ptr %44, align 8, !tbaa !43
  %46 = call i32 @s2n_config_set_client_hello_cb(ptr noundef %45, ptr noundef nonnull @client_hello_cb_ret, ptr noundef nonnull %4) #5
  %47 = icmp sgt i32 %46, -1
  br i1 %47, label %48, label %51

48:                                               ; preds = %39
  %49 = call i32 @s2n_client_hello_recv(ptr noundef nonnull %7) #5
  %50 = call i32 @s2n_connection_free(ptr noundef nonnull %7) #5
  %.lobit = ashr i32 %50, 31
  br label %51

51:                                               ; preds = %48, %39, %24, %21
  %.0 = phi i32 [ -1, %21 ], [ -1, %24 ], [ -1, %39 ], [ %.lobit, %48 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %52

52:                                               ; preds = %8, %51, %16, %2
  %.2 = phi i32 [ 0, %2 ], [ %.0, %51 ], [ -1, %8 ], [ -1, %16 ]
  ret i32 %.2
}

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

declare ptr @s2n_connection_new(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #3

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #4

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #2

declare i32 @s2n_stuffer_write_bytes(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

declare i32 @s2n_stuffer_read_uint8(ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @s2n_config_set_client_hello_cb(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @s2n_client_hello_recv(ptr noundef) local_unnamed_addr #2

declare i32 @s2n_connection_free(ptr noundef) local_unnamed_addr #2

; 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 = { "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 speculatable willreturn memory(none) }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { 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 = !{!8, !8, i64 0}
!14 = !{!15, !8, i64 220}
!15 = !{!"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, !16, i64 160, !17, i64 168, !17, 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, !18, i64 240, !7, i64 632, !7, i64 640, !19, i64 648, !26, i64 1144, !29, i64 1688, !7, i64 1752, !8, i64 1760, !12, i64 1764, !8, i64 1768, !32, i64 1776, !32, i64 1816, !32, i64 1856, !32, i64 1896, !12, i64 1936, !17, i64 1944, !8, i64 1952, !32, i64 1960, !8, i64 2000, !8, i64 2001, !8, i64 2002, !25, i64 2003, !33, i64 2004, !33, i64 2008, !34, i64 2016, !31, i64 2208, !12, i64 2212, !31, i64 2216, !17, i64 2224, !8, i64 2232, !17, i64 2240, !17, i64 2248, !17, i64 2256, !33, i64 2264, !33, i64 2268, !8, i64 2272, !8, i64 2528, !12, i64 2784, !24, i64 2792, !12, i64 2816, !24, i64 2824, !24, i64 2848, !24, i64 2872, !36, i64 2896, !38, i64 3704, !7, i64 3760, !7, i64 3768, !8, i64 3776, !12, i64 3780, !24, i64 3784, !12, i64 3808, !40, i64 3816, !8, i64 3848, !32, i64 3992, !24, i64 4032, !24, i64 4056, !25, i64 4080, !25, i64 4081, !25, i64 4082, !31, i64 4084, !31, i64 4086, !12, i64 4088, !12, i64 4092, !24, i64 4096, !12, i64 4120, !41, i64 4128, !33, i64 4176, !8, i64 4180, !8, i64 4181}
!16 = !{!"s2n_timer", !17, i64 0}
!17 = !{!"long", !8, i64 0}
!18 = !{!"s2n_secrets", !8, i64 0, !12, i64 388}
!19 = !{!"s2n_kex_parameters", !20, i64 0, !21, i64 8, !8, i64 24, !21, i64 56, !22, i64 72, !22, i64 184, !8, i64 296, !23, i64 360, !24, i64 448, !24, i64 472}
!20 = !{!"s2n_dh_params", !7, i64 0}
!21 = !{!"s2n_ecc_evp_params", !7, i64 0, !7, i64 8}
!22 = !{!"s2n_kem_group_params", !7, i64 0, !23, i64 8, !21, i64 96}
!23 = !{!"s2n_kem_params", !7, i64 0, !24, i64 8, !24, i64 32, !24, i64 56, !25, i64 80}
!24 = !{!"s2n_blob", !7, i64 0, !12, i64 8, !12, i64 12, !12, i64 16}
!25 = !{!"_Bool", !8, i64 0}
!26 = !{!"s2n_handshake_parameters", !27, i64 0, !27, i64 48, !24, i64 96, !12, i64 120, !28, 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}
!27 = !{!"s2n_pkey", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!28 = !{!"s2n_sig_scheme_list", !8, i64 0, !8, i64 256}
!29 = !{!"s2n_psk_parameters", !12, i64 0, !30, i64 8, !31, i64 40, !31, i64 42, !7, i64 48, !12, i64 56}
!30 = !{!"s2n_array", !24, i64 0, !12, i64 24, !12, i64 28}
!31 = !{!"short", !8, i64 0}
!32 = !{!"s2n_stuffer", !24, i64 0, !12, i64 24, !12, i64 28, !12, i64 32, !12, i64 36, !12, i64 36, !12, i64 36}
!33 = !{!"", !12, i64 0}
!34 = !{!"s2n_handshake", !32, 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, !35, i64 176, !12, i64 184, !12, i64 184, !12, i64 184, !12, i64 184, !12, i64 188}
!35 = !{!"s2n_offered_early_data", !7, i64 0}
!36 = !{!"s2n_client_hello", !24, i64 0, !37, i64 24, !24, i64 728, !24, i64 752, !24, 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}
!37 = !{!"", !8, i64 0, !24, i64 672, !31, i64 696}
!38 = !{!"s2n_x509_validator", !7, i64 0, !7, i64 8, !8, i64 16, !8, i64 17, !31, i64 18, !7, i64 24, !12, i64 32, !7, i64 40, !39, i64 48, !25, i64 52}
!39 = !{!"s2n_cert_validation_info", !12, i64 0, !12, i64 0}
!40 = !{!"s2n_ticket_fields", !24, i64 0, !12, i64 24}
!41 = !{!"s2n_post_handshake", !32, i64 0, !8, i64 40}
!42 = !{!15, !8, i64 219}
!43 = !{!15, !7, i64 8}


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