; LLVM IR from aws/s2n-tls :: tests/testlib (s2n_extension_test_utils)

; 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 [110 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
@.str.1 = external hidden unnamed_addr constant [110 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_connection_allow_all_response_extensions(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  store i64 22, ptr %4, align 8, !tbaa !9
  %10 = load i64, ptr %4, align 8, !tbaa !9
  %11 = icmp ne i64 %10, 0
  %12 = xor i1 %11, true
  %13 = xor i1 %12, true
  %14 = zext i1 %13 to i32
  %15 = sext i32 %14 to i64
  %16 = call i64 @llvm.expect.i64(i64 %15, i64 1)
  %17 = icmp ne i64 %16, 0
  br i1 %17, label %18, label %65

18:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.s2n_connection, ptr %19, i32 0, i32 11
  store ptr %20, ptr %5, align 8, !tbaa !5
  br label %21

21:                                               ; preds = %18
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %57, label %24

24:                                               ; preds = %21
  br label %25

25:                                               ; preds = %24
  br label %26

26:                                               ; preds = %25
  %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
  store ptr @.str, ptr %28, align 8, !tbaa !11
  %29 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %30 = getelementptr inbounds %struct.s2n_debug_info, ptr %29, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8, !tbaa !11
  %32 = getelementptr inbounds i8, ptr %31, i64 21
  %33 = call ptr @strrchr(ptr noundef %32, i32 noundef 47) #8
  %34 = icmp ne ptr %33, null
  br i1 %34, label %35, label %42

35:                                               ; preds = %26
  %36 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %37 = getelementptr inbounds %struct.s2n_debug_info, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !11
  %39 = getelementptr inbounds i8, ptr %38, i64 21
  %40 = call ptr @strrchr(ptr noundef %39, i32 noundef 47) #8
  %41 = getelementptr inbounds i8, ptr %40, i64 1
  br label %47

42:                                               ; preds = %26
  %43 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %44 = getelementptr inbounds %struct.s2n_debug_info, ptr %43, i32 0, i32 0
  %45 = load ptr, ptr %44, align 8, !tbaa !11
  %46 = getelementptr inbounds i8, ptr %45, i64 21
  br label %47

47:                                               ; preds = %42, %35
  %48 = phi ptr [ %41, %35 ], [ %46, %42 ]
  %49 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %50 = getelementptr inbounds %struct.s2n_debug_info, ptr %49, i32 0, i32 1
  store ptr %48, ptr %50, align 8, !tbaa !13
  %51 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %51, align 4, !tbaa !14
  %52 = call i32 @s2n_calculate_stacktrace()
  br label %53

53:                                               ; preds = %47
  br label %54

54:                                               ; preds = %53
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %62

55:                                               ; No predecessors!
  br label %56

56:                                               ; preds = %55
  br label %57

57:                                               ; preds = %56, %21
  br label %58

58:                                               ; preds = %57
  br label %59

59:                                               ; preds = %58
  %60 = load ptr, ptr %5, align 8, !tbaa !5
  %61 = load i64, ptr %4, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %60, i8 -1, i64 %61, i1 false)
  store i32 0, ptr %6, align 4
  br label %62

62:                                               ; preds = %59, %54
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  %63 = load i32, ptr %6, align 4
  switch i32 %63, label %66 [
    i32 0, label %64
  ]

64:                                               ; preds = %62
  br label %65

65:                                               ; preds = %64, %9
  store i32 0, ptr %6, align 4
  br label %66

66:                                               ; preds = %65, %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  %67 = load i32, ptr %6, align 4
  switch i32 %67, label %133 [
    i32 0, label %68
    i32 1, label %131
  ]

68:                                               ; preds = %66
  br label %69

69:                                               ; preds = %68
  br label %70

70:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 22, ptr %7, align 8, !tbaa !9
  %71 = load i64, ptr %7, align 8, !tbaa !9
  %72 = icmp ne i64 %71, 0
  %73 = xor i1 %72, true
  %74 = xor i1 %73, true
  %75 = zext i1 %74 to i32
  %76 = sext i32 %75 to i64
  %77 = call i64 @llvm.expect.i64(i64 %76, i64 1)
  %78 = icmp ne i64 %77, 0
  br i1 %78, label %79, label %126

79:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  %80 = load ptr, ptr %3, align 8, !tbaa !5
  %81 = getelementptr inbounds %struct.s2n_connection, ptr %80, i32 0, i32 10
  store ptr %81, ptr %8, align 8, !tbaa !5
  br label %82

82:                                               ; preds = %79
  %83 = load ptr, ptr %8, align 8, !tbaa !5
  %84 = icmp ne ptr %83, null
  br i1 %84, label %118, label %85

85:                                               ; preds = %82
  br label %86

86:                                               ; preds = %85
  br label %87

87:                                               ; preds = %86
  %88 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %89 = getelementptr inbounds %struct.s2n_debug_info, ptr %88, i32 0, i32 0
  store ptr @.str.1, ptr %89, align 8, !tbaa !11
  %90 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %91 = getelementptr inbounds %struct.s2n_debug_info, ptr %90, i32 0, i32 0
  %92 = load ptr, ptr %91, align 8, !tbaa !11
  %93 = getelementptr inbounds i8, ptr %92, i64 21
  %94 = call ptr @strrchr(ptr noundef %93, i32 noundef 47) #8
  %95 = icmp ne ptr %94, null
  br i1 %95, label %96, label %103

96:                                               ; preds = %87
  %97 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %98 = getelementptr inbounds %struct.s2n_debug_info, ptr %97, i32 0, i32 0
  %99 = load ptr, ptr %98, align 8, !tbaa !11
  %100 = getelementptr inbounds i8, ptr %99, i64 21
  %101 = call ptr @strrchr(ptr noundef %100, i32 noundef 47) #8
  %102 = getelementptr inbounds i8, ptr %101, i64 1
  br label %108

103:                                              ; preds = %87
  %104 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %105 = getelementptr inbounds %struct.s2n_debug_info, ptr %104, i32 0, i32 0
  %106 = load ptr, ptr %105, align 8, !tbaa !11
  %107 = getelementptr inbounds i8, ptr %106, i64 21
  br label %108

108:                                              ; preds = %103, %96
  %109 = phi ptr [ %102, %96 ], [ %107, %103 ]
  %110 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %111 = getelementptr inbounds %struct.s2n_debug_info, ptr %110, i32 0, i32 1
  store ptr %109, ptr %111, align 8, !tbaa !13
  %112 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %112, align 4, !tbaa !14
  %113 = call i32 @s2n_calculate_stacktrace()
  br label %114

114:                                              ; preds = %108
  br label %115

115:                                              ; preds = %114
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %123

116:                                              ; No predecessors!
  br label %117

117:                                              ; preds = %116
  br label %118

118:                                              ; preds = %117, %82
  br label %119

119:                                              ; preds = %118
  br label %120

120:                                              ; preds = %119
  %121 = load ptr, ptr %8, align 8, !tbaa !5
  %122 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 1 %121, i8 -1, i64 %122, i1 false)
  store i32 0, ptr %6, align 4
  br label %123

123:                                              ; preds = %120, %115
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  %124 = load i32, ptr %6, align 4
  switch i32 %124, label %127 [
    i32 0, label %125
  ]

125:                                              ; preds = %123
  br label %126

126:                                              ; preds = %125, %70
  store i32 0, ptr %6, align 4
  br label %127

127:                                              ; preds = %126, %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  %128 = load i32, ptr %6, align 4
  switch i32 %128, label %133 [
    i32 0, label %129
    i32 1, label %131
  ]

129:                                              ; preds = %127
  br label %130

130:                                              ; preds = %129
  store i32 0, ptr %2, align 4
  br label %131

131:                                              ; preds = %130, %127, %66
  %132 = load i32, ptr %2, align 4
  ret i32 %132

133:                                              ; preds = %127, %66
  unreachable
}

; 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 nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #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() #5

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #6

; 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 nosync nounwind willreturn memory(none) }
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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #7 = { nounwind }
attributes #8 = { 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}


; 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local noundef i32 @s2n_connection_allow_all_response_extensions(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(44) %2, i8 -1, i64 44, i1 false)
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 nounwind willreturn memory(argmem: write) }

!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)"}


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