; LLVM IR from aws/s2n-tls :: tls (s2n_recv)

; 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 }
%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 [84 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 [84 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [84 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_recv_in_init(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca %struct.s2n_result, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %46, label %14

14:                                               ; preds = %11
  br label %15

15:                                               ; preds = %14
  br label %16

16:                                               ; preds = %15
  %17 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %18 = getelementptr inbounds %struct.s2n_debug_info, ptr %17, i32 0, i32 0
  store ptr @.str, ptr %18, align 8, !tbaa !11
  %19 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %20 = getelementptr inbounds %struct.s2n_debug_info, ptr %19, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = getelementptr inbounds i8, ptr %21, i64 21
  %23 = call ptr @strrchr(ptr noundef %22, i32 noundef 47) #5
  %24 = icmp ne ptr %23, null
  br i1 %24, label %25, label %32

25:                                               ; preds = %16
  %26 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %27 = getelementptr inbounds %struct.s2n_debug_info, ptr %26, i32 0, i32 0
  %28 = load ptr, ptr %27, align 8, !tbaa !11
  %29 = getelementptr inbounds i8, ptr %28, i64 21
  %30 = call ptr @strrchr(ptr noundef %29, i32 noundef 47) #5
  %31 = getelementptr inbounds i8, ptr %30, i64 1
  br label %37

32:                                               ; preds = %16
  %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 0
  %35 = load ptr, ptr %34, align 8, !tbaa !11
  %36 = getelementptr inbounds i8, ptr %35, i64 21
  br label %37

37:                                               ; preds = %32, %25
  %38 = phi ptr [ %31, %25 ], [ %36, %32 ]
  %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 1
  store ptr %38, ptr %40, align 8, !tbaa !13
  %41 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %41, align 4, !tbaa !9
  %42 = call i32 @s2n_calculate_stacktrace()
  br label %43

43:                                               ; preds = %37
  %44 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %44, align 4, !tbaa !14
  br label %220

45:                                               ; No predecessors!
  br label %46

46:                                               ; preds = %45, %11
  br label %47

47:                                               ; preds = %46
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = icmp ule i32 %49, %50
  br i1 %51, label %84, label %52

52:                                               ; preds = %48
  br label %53

53:                                               ; preds = %52
  br label %54

54:                                               ; preds = %53
  %55 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %56 = getelementptr inbounds %struct.s2n_debug_info, ptr %55, i32 0, i32 0
  store ptr @.str.1, ptr %56, align 8, !tbaa !11
  %57 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %58 = getelementptr inbounds %struct.s2n_debug_info, ptr %57, i32 0, i32 0
  %59 = load ptr, ptr %58, align 8, !tbaa !11
  %60 = getelementptr inbounds i8, ptr %59, i64 21
  %61 = call ptr @strrchr(ptr noundef %60, i32 noundef 47) #5
  %62 = icmp ne ptr %61, null
  br i1 %62, label %63, label %70

63:                                               ; preds = %54
  %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 0
  %66 = load ptr, ptr %65, align 8, !tbaa !11
  %67 = getelementptr inbounds i8, ptr %66, i64 21
  %68 = call ptr @strrchr(ptr noundef %67, i32 noundef 47) #5
  %69 = getelementptr inbounds i8, ptr %68, i64 1
  br label %75

70:                                               ; preds = %54
  %71 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %72 = getelementptr inbounds %struct.s2n_debug_info, ptr %71, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8, !tbaa !11
  %74 = getelementptr inbounds i8, ptr %73, i64 21
  br label %75

75:                                               ; preds = %70, %63
  %76 = phi ptr [ %69, %63 ], [ %74, %70 ]
  %77 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %78 = getelementptr inbounds %struct.s2n_debug_info, ptr %77, i32 0, i32 1
  store ptr %76, ptr %78, align 8, !tbaa !13
  %79 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653194, ptr %79, align 4, !tbaa !9
  %80 = call i32 @s2n_calculate_stacktrace()
  br label %81

81:                                               ; preds = %75
  %82 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %82, align 4, !tbaa !14
  br label %220

83:                                               ; No predecessors!
  br label %84

84:                                               ; preds = %83, %48
  br label %85

85:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %86 = load i32, ptr %7, align 4, !tbaa !9
  %87 = load i32, ptr %6, align 4, !tbaa !9
  %88 = sub i32 %86, %87
  store i32 %88, ptr %8, align 4, !tbaa !9
  br label %89

89:                                               ; preds = %85
  %90 = load i32, ptr %8, align 4, !tbaa !9
  %91 = load ptr, ptr %5, align 8, !tbaa !5
  %92 = getelementptr inbounds %struct.s2n_connection, ptr %91, i32 0, i32 39
  %93 = getelementptr inbounds %struct.s2n_stuffer, ptr %92, i32 0, i32 0
  %94 = getelementptr inbounds %struct.s2n_blob, ptr %93, i32 0, i32 1
  %95 = load i32, ptr %94, align 8, !tbaa !16
  %96 = load ptr, ptr %5, align 8, !tbaa !5
  %97 = getelementptr inbounds %struct.s2n_connection, ptr %96, i32 0, i32 39
  %98 = getelementptr inbounds %struct.s2n_stuffer, ptr %97, i32 0, i32 2
  %99 = load i32, ptr %98, align 4, !tbaa !43
  %100 = sub i32 %95, %99
  %101 = icmp ule i32 %90, %100
  br i1 %101, label %136, label %102

102:                                              ; preds = %89
  br label %103

103:                                              ; preds = %102
  br label %104

104:                                              ; preds = %103
  %105 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %106 = getelementptr inbounds %struct.s2n_debug_info, ptr %105, i32 0, i32 0
  store ptr @.str.2, ptr %106, align 8, !tbaa !11
  %107 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %108 = getelementptr inbounds %struct.s2n_debug_info, ptr %107, i32 0, i32 0
  %109 = load ptr, ptr %108, align 8, !tbaa !11
  %110 = getelementptr inbounds i8, ptr %109, i64 21
  %111 = call ptr @strrchr(ptr noundef %110, i32 noundef 47) #5
  %112 = icmp ne ptr %111, null
  br i1 %112, label %113, label %120

113:                                              ; preds = %104
  %114 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %115 = getelementptr inbounds %struct.s2n_debug_info, ptr %114, i32 0, i32 0
  %116 = load ptr, ptr %115, align 8, !tbaa !11
  %117 = getelementptr inbounds i8, ptr %116, i64 21
  %118 = call ptr @strrchr(ptr noundef %117, i32 noundef 47) #5
  %119 = getelementptr inbounds i8, ptr %118, i64 1
  br label %125

120:                                              ; preds = %104
  %121 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %122 = getelementptr inbounds %struct.s2n_debug_info, ptr %121, i32 0, i32 0
  %123 = load ptr, ptr %122, align 8, !tbaa !11
  %124 = getelementptr inbounds i8, ptr %123, i64 21
  br label %125

125:                                              ; preds = %120, %113
  %126 = phi ptr [ %119, %113 ], [ %124, %120 ]
  %127 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %128 = getelementptr inbounds %struct.s2n_debug_info, ptr %127, i32 0, i32 1
  store ptr %126, ptr %128, align 8, !tbaa !13
  %129 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653194, ptr %129, align 4, !tbaa !9
  %130 = call i32 @s2n_calculate_stacktrace()
  br label %131

131:                                              ; preds = %125
  br label %132

132:                                              ; preds = %131
  %133 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %133, align 4, !tbaa !14
  store i32 1, ptr %9, align 4
  br label %219

134:                                              ; No predecessors!
  br label %135

135:                                              ; preds = %134
  br label %136

136:                                              ; preds = %135, %89
  br label %137

137:                                              ; preds = %136
  br label %138

138:                                              ; preds = %137
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %139 = load ptr, ptr %5, align 8, !tbaa !5
  %140 = getelementptr inbounds %struct.s2n_connection, ptr %139, i32 0, i32 39
  %141 = load i32, ptr %6, align 4, !tbaa !9
  %142 = call ptr @s2n_stuffer_raw_read(ptr noundef %140, i32 noundef %141)
  store ptr %142, ptr %10, align 8, !tbaa !5
  br label %143

143:                                              ; preds = %138
  %144 = load ptr, ptr %10, align 8, !tbaa !5
  %145 = icmp ne ptr %144, null
  br i1 %145, label %180, label %146

146:                                              ; preds = %143
  br label %147

147:                                              ; preds = %146
  br label %148

148:                                              ; preds = %147
  %149 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %150 = getelementptr inbounds %struct.s2n_debug_info, ptr %149, i32 0, i32 0
  store ptr @.str.3, ptr %150, align 8, !tbaa !11
  %151 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %152 = getelementptr inbounds %struct.s2n_debug_info, ptr %151, i32 0, i32 0
  %153 = load ptr, ptr %152, align 8, !tbaa !11
  %154 = getelementptr inbounds i8, ptr %153, i64 21
  %155 = call ptr @strrchr(ptr noundef %154, i32 noundef 47) #5
  %156 = icmp ne ptr %155, null
  br i1 %156, label %157, label %164

157:                                              ; preds = %148
  %158 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %159 = getelementptr inbounds %struct.s2n_debug_info, ptr %158, i32 0, i32 0
  %160 = load ptr, ptr %159, align 8, !tbaa !11
  %161 = getelementptr inbounds i8, ptr %160, i64 21
  %162 = call ptr @strrchr(ptr noundef %161, i32 noundef 47) #5
  %163 = getelementptr inbounds i8, ptr %162, i64 1
  br label %169

164:                                              ; preds = %148
  %165 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %166 = getelementptr inbounds %struct.s2n_debug_info, ptr %165, i32 0, i32 0
  %167 = load ptr, ptr %166, align 8, !tbaa !11
  %168 = getelementptr inbounds i8, ptr %167, i64 21
  br label %169

169:                                              ; preds = %164, %157
  %170 = phi ptr [ %163, %157 ], [ %168, %164 ]
  %171 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %172 = getelementptr inbounds %struct.s2n_debug_info, ptr %171, i32 0, i32 1
  store ptr %170, ptr %172, align 8, !tbaa !13
  %173 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %173, align 4, !tbaa !9
  %174 = call i32 @s2n_calculate_stacktrace()
  br label %175

175:                                              ; preds = %169
  br label %176

176:                                              ; preds = %175
  %177 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %177, align 4, !tbaa !14
  store i32 1, ptr %9, align 4
  br label %218

178:                                              ; No predecessors!
  br label %179

179:                                              ; preds = %178
  br label %180

180:                                              ; preds = %179, %143
  br label %181

181:                                              ; preds = %180
  br label %182

182:                                              ; preds = %181
  br label %183

183:                                              ; preds = %182
  %184 = load ptr, ptr %5, align 8, !tbaa !5
  %185 = getelementptr inbounds %struct.s2n_connection, ptr %184, i32 0, i32 40
  %186 = call i32 @s2n_stuffer_free(ptr noundef %185)
  %187 = icmp sgt i32 %186, -1
  br i1 %187, label %190, label %188

188:                                              ; preds = %183
  %189 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %189, align 4, !tbaa !14
  store i32 1, ptr %9, align 4
  br label %218

190:                                              ; preds = %183
  br label %191

191:                                              ; preds = %190
  br label %192

192:                                              ; preds = %191
  br label %193

193:                                              ; preds = %192
  %194 = load ptr, ptr %5, align 8, !tbaa !5
  %195 = getelementptr inbounds %struct.s2n_connection, ptr %194, i32 0, i32 40
  %196 = getelementptr inbounds %struct.s2n_stuffer, ptr %195, i32 0, i32 0
  %197 = load ptr, ptr %10, align 8, !tbaa !5
  %198 = load i32, ptr %7, align 4, !tbaa !9
  %199 = call i32 @s2n_blob_init(ptr noundef %196, ptr noundef %197, i32 noundef %198)
  %200 = icmp sgt i32 %199, -1
  br i1 %200, label %203, label %201

201:                                              ; preds = %193
  %202 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %202, align 4, !tbaa !14
  store i32 1, ptr %9, align 4
  br label %218

203:                                              ; preds = %193
  br label %204

204:                                              ; preds = %203
  br label %205

205:                                              ; preds = %204
  br label %206

206:                                              ; preds = %205
  %207 = load ptr, ptr %5, align 8, !tbaa !5
  %208 = getelementptr inbounds %struct.s2n_connection, ptr %207, i32 0, i32 40
  %209 = load i32, ptr %6, align 4, !tbaa !9
  %210 = call i32 @s2n_stuffer_skip_write(ptr noundef %208, i32 noundef %209)
  %211 = icmp sgt i32 %210, -1
  br i1 %211, label %214, label %212

212:                                              ; preds = %206
  %213 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %213, align 4, !tbaa !14
  store i32 1, ptr %9, align 4
  br label %218

214:                                              ; preds = %206
  br label %215

215:                                              ; preds = %214
  br label %216

216:                                              ; preds = %215
  %217 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 0, ptr %217, align 4, !tbaa !14
  store i32 1, ptr %9, align 4
  br label %218

218:                                              ; preds = %216, %212, %201, %188, %176
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %219

219:                                              ; preds = %218, %132
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %220

220:                                              ; preds = %219, %81, %43
  %221 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  %222 = load i32, ptr %221, align 4
  ret i32 %222
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #2

declare i32 @s2n_calculate_stacktrace() #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

declare ptr @s2n_stuffer_raw_read(ptr noundef, i32 noundef) #3

declare i32 @s2n_stuffer_free(ptr noundef) #3

declare i32 @s2n_blob_init(ptr noundef, ptr noundef, i32 noundef) #3

declare i32 @s2n_stuffer_skip_write(ptr noundef, i32 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

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 speculatable willreturn memory(none) }
attributes #2 = { 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 #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 willreturn memory(argmem: readwrite) }
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, !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 = !{!"int", !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, !10, i64 0}
!15 = !{!"", !10, i64 0}
!16 = !{!17, !10, i64 1824}
!17 = !{!"s2n_connection", !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 2, !10, i64 2, !10, i64 2, !10, i64 2, !10, i64 2, !10, i64 2, !10, 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, !10, i64 148, !10, i64 152, !18, i64 160, !19, i64 168, !19, 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, !10, i64 1764, !7, i64 1768, !34, i64 1776, !34, i64 1816, !34, i64 1856, !34, i64 1896, !10, i64 1936, !19, i64 1944, !7, i64 1952, !34, i64 1960, !7, i64 2000, !7, i64 2001, !7, i64 2002, !27, i64 2003, !15, i64 2004, !15, i64 2008, !35, i64 2016, !33, i64 2208, !10, i64 2212, !33, i64 2216, !19, i64 2224, !7, i64 2232, !19, i64 2240, !19, i64 2248, !19, i64 2256, !15, i64 2264, !15, i64 2268, !7, i64 2272, !7, i64 2528, !10, i64 2784, !26, i64 2792, !10, i64 2816, !26, i64 2824, !26, i64 2848, !26, i64 2872, !37, i64 2896, !39, i64 3704, !6, i64 3760, !6, i64 3768, !7, i64 3776, !10, i64 3780, !26, i64 3784, !10, i64 3808, !41, 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, !10, i64 4088, !10, i64 4092, !26, i64 4096, !10, i64 4120, !42, i64 4128, !15, i64 4176, !7, i64 4180, !7, i64 4181}
!18 = !{!"s2n_timer", !19, i64 0}
!19 = !{!"long", !7, i64 0}
!20 = !{!"s2n_secrets", !7, i64 0, !10, 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, !10, i64 8, !10, i64 12, !10, i64 16}
!27 = !{!"_Bool", !7, i64 0}
!28 = !{!"s2n_handshake_parameters", !29, i64 0, !29, i64 48, !26, i64 96, !10, 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", !10, i64 0, !32, i64 8, !33, i64 40, !33, i64 42, !6, i64 48, !10, i64 56}
!32 = !{!"s2n_array", !26, i64 0, !10, i64 24, !10, i64 28}
!33 = !{!"short", !7, i64 0}
!34 = !{!"s2n_stuffer", !26, i64 0, !10, i64 24, !10, i64 28, !10, i64 32, !10, i64 36, !10, i64 36, !10, i64 36}
!35 = !{!"s2n_handshake", !34, i64 0, !6, i64 40, !7, i64 48, !7, i64 56, !7, i64 104, !7, i64 152, !10, i64 156, !10, i64 160, !10, i64 164, !10, i64 168, !36, i64 176, !10, i64 184, !10, i64 184, !10, i64 184, !10, i64 184, !10, i64 188}
!36 = !{!"s2n_offered_early_data", !6, i64 0}
!37 = !{!"s2n_client_hello", !26, i64 0, !38, i64 24, !26, i64 728, !26, i64 752, !26, i64 776, !7, i64 800, !7, i64 801, !10, i64 802, !10, i64 802, !10, i64 802, !10, i64 802, !10, i64 802, !10, i64 802, !10, i64 802}
!38 = !{!"", !7, i64 0, !26, i64 672, !33, i64 696}
!39 = !{!"s2n_x509_validator", !6, i64 0, !6, i64 8, !7, i64 16, !7, i64 17, !33, i64 18, !6, i64 24, !10, i64 32, !6, i64 40, !40, i64 48, !27, i64 52}
!40 = !{!"s2n_cert_validation_info", !10, i64 0, !10, i64 0}
!41 = !{!"s2n_ticket_fields", !26, i64 0, !10, i64 24}
!42 = !{!"s2n_post_handshake", !34, i64 0, !7, i64 40}
!43 = !{!17, !10, i64 1844}


; 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 [84 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
@.str.1 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [84 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [84 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_recv_in_init(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %12

4:                                                ; preds = %3
  %5 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str, ptr %5, align 8, !tbaa !5
  %6 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str, i64 21), i32 noundef 47) #4
  %.not23 = icmp eq ptr %6, null
  %7 = getelementptr inbounds i8, ptr %6, i64 1
  %8 = select i1 %.not23, ptr getelementptr inbounds (i8, ptr @.str, i64 21), ptr %7
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %8, ptr %9, align 8, !tbaa !10
  %10 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %10, align 4, !tbaa !11
  %11 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %56

12:                                               ; preds = %3
  %.not24 = icmp ugt i32 %1, %2
  br i1 %.not24, label %13, label %21

13:                                               ; preds = %12
  %14 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.1, ptr %14, align 8, !tbaa !5
  %15 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.1, i64 21), i32 noundef 47) #4
  %.not25 = icmp eq ptr %15, null
  %16 = getelementptr inbounds i8, ptr %15, i64 1
  %17 = select i1 %.not25, ptr getelementptr inbounds (i8, ptr @.str.1, i64 21), ptr %16
  %18 = getelementptr inbounds i8, ptr %14, i64 8
  store ptr %17, ptr %18, align 8, !tbaa !10
  %19 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653194, ptr %19, align 4, !tbaa !11
  %20 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %56

21:                                               ; preds = %12
  %22 = sub i32 %2, %1
  %23 = getelementptr inbounds i8, ptr %0, i64 1824
  %24 = load i32, ptr %23, align 8, !tbaa !13
  %25 = getelementptr inbounds i8, ptr %0, i64 1844
  %26 = load i32, ptr %25, align 4, !tbaa !41
  %27 = sub i32 %24, %26
  %.not26 = icmp ugt i32 %22, %27
  br i1 %.not26, label %28, label %36

28:                                               ; preds = %21
  %29 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.2, ptr %29, align 8, !tbaa !5
  %30 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.2, i64 21), i32 noundef 47) #4
  %.not27 = icmp eq ptr %30, null
  %31 = getelementptr inbounds i8, ptr %30, i64 1
  %32 = select i1 %.not27, ptr getelementptr inbounds (i8, ptr @.str.2, i64 21), ptr %31
  %33 = getelementptr inbounds i8, ptr %29, i64 8
  store ptr %32, ptr %33, align 8, !tbaa !10
  %34 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653194, ptr %34, align 4, !tbaa !11
  %35 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %56

36:                                               ; preds = %21
  %37 = getelementptr inbounds i8, ptr %0, i64 1816
  %38 = tail call ptr @s2n_stuffer_raw_read(ptr noundef nonnull %37, i32 noundef %1) #5
  %.not28 = icmp eq ptr %38, null
  br i1 %.not28, label %39, label %47

39:                                               ; preds = %36
  %40 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str.3, ptr %40, align 8, !tbaa !5
  %41 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str.3, i64 21), i32 noundef 47) #4
  %.not29 = icmp eq ptr %41, null
  %42 = getelementptr inbounds i8, ptr %41, i64 1
  %43 = select i1 %.not29, ptr getelementptr inbounds (i8, ptr @.str.3, i64 21), ptr %42
  %44 = getelementptr inbounds i8, ptr %40, i64 8
  store ptr %43, ptr %44, align 8, !tbaa !10
  %45 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %45, align 4, !tbaa !11
  %46 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %56

47:                                               ; preds = %36
  %48 = getelementptr inbounds i8, ptr %0, i64 1856
  %49 = tail call i32 @s2n_stuffer_free(ptr noundef nonnull %48) #5
  %50 = icmp sgt i32 %49, -1
  br i1 %50, label %51, label %56

51:                                               ; preds = %47
  %52 = tail call i32 @s2n_blob_init(ptr noundef nonnull %48, ptr noundef nonnull %38, i32 noundef %2) #5
  %53 = icmp sgt i32 %52, -1
  br i1 %53, label %54, label %56

54:                                               ; preds = %51
  %55 = tail call i32 @s2n_stuffer_skip_write(ptr noundef nonnull %48, i32 noundef %1) #5
  %.lobit = ashr i32 %55, 31
  br label %56

56:                                               ; preds = %28, %54, %51, %47, %39, %13, %4
  %.sroa.0.2 = phi i32 [ -1, %13 ], [ -1, %4 ], [ -1, %28 ], [ -1, %39 ], [ -1, %47 ], [ -1, %51 ], [ %.lobit, %54 ]
  ret i32 %.sroa.0.2
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #2

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #3

declare ptr @s2n_stuffer_raw_read(ptr noundef, i32 noundef) local_unnamed_addr #3

declare i32 @s2n_stuffer_free(ptr noundef) local_unnamed_addr #3

declare i32 @s2n_blob_init(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

declare i32 @s2n_stuffer_skip_write(ptr noundef, i32 noundef) local_unnamed_addr #3

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 speculatable willreturn memory(none) }
attributes #2 = { 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 #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 = { nounwind willreturn memory(read) }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"s2n_debug_info", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!14, !12, i64 1824}
!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 = !{!14, !12, i64 1844}


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