#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */
typedef struct TYPE_2__ TYPE_1__;

/* Type definitions */
struct TYPE_2__ {
  int /*<<< orphan*/ s_addr;
};
struct sockaddr_in {
  TYPE_1__ sin_addr;
  int /*<<< orphan*/ sin_port;
  int /*<<< orphan*/ sin_family;
};
struct sockaddr {
  int dummy;
};
typedef int /*<<< orphan*/ server_address;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int /*<<< orphan*/ INADDR_ANY;
int /*<<< orphan*/ PF_INET;
int /*<<< orphan*/ SOCK_STREAM;
int accept(int, struct sockaddr *, int *);
scalar_t__ bind(int, struct sockaddr *, int);
int /*<<< orphan*/ close(int);
int /*<<< orphan*/ htonl(int /*<<< orphan*/);
int /*<<< orphan*/ htons(int);
char *inet_ntoa(TYPE_1__);
scalar_t__ listen(int, int);
int /*<<< orphan*/ memset(struct sockaddr_in *, int /*<<< orphan*/, int);
int /*<<< orphan*/ printf(char *, ...);
int recv(int, char *, int, int /*<<< orphan*/);
int /*<<< orphan*/ send(int, char *, int, int /*<<< orphan*/);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int main(int argc, char *argv[]) {
  int SERVER_PORT = 8877;
  struct sockaddr_in server_address;
  memset(&server_address, 0, sizeof(server_address));
  server_address.sin_family = AF_INET;
  server_address.sin_port = htons(SERVER_PORT);
  server_address.sin_addr.s_addr = htonl(INADDR_ANY);
  int listen_sock;
  if ((listen_sock = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
    printf("could not create listen socket\n");
    return 1;
  }
  if ((bind(listen_sock, (struct sockaddr *)&server_address,
            sizeof(server_address))) < 0) {
    printf("could not bind socket\n");
    return 1;
  }
  int wait_size = 16;
  if (listen(listen_sock, wait_size) < 0) {
    printf("could not open socket for listening\n");
    return 1;
  }
  struct sockaddr_in client_address;
  int client_address_len = 0;
  while (true) {
    int sock;
    if ((sock = accept(listen_sock, (struct sockaddr *)&client_address,
                       &client_address_len)) < 0) {
      printf("could not open a socket to accept data\n");
      return 1;
    }
    int n = 0;
    int len = 0, maxlen = 100;
    char buffer[maxlen];
    char *pbuffer = buffer;
    printf("client connected with ip address: %s\n",
           inet_ntoa(client_address.sin_addr));
    while ((n = recv(sock, pbuffer, maxlen, 0)) > 0) {
      pbuffer += n;
      maxlen -= n;
      len += n;
      printf("received: '%s'\n", buffer);
      send(sock, buffer, len, 0);
    }
    close(sock);
  }
  close(listen_sock);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x22ad,-0x14(%rbp)
lea    -0x20(%rbp),%rdi
xor    %esi,%esi
mov    $0xc,%edx
call   1090 <memset@plt>
mov    0x2df4(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x18(%rbp)
mov    -0x14(%rbp),%edi
call   1050 <htons@plt>
mov    %eax,-0x1c(%rbp)
mov    0x2dd5(%rip),%rax
mov    (%rax),%edi
call   1080 <htonl@plt>
mov    %eax,-0x20(%rbp)
mov    0x2dac(%rip),%rax
mov    (%rax),%edi
mov    0x2dab(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   10e0 <socket@plt>
mov    %eax,-0x24(%rbp)
cmp    $0x0,%eax
jge    1254 <main+0x94>
lea    0xdbf(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    13d4 <main+0x214>
mov    -0x24(%rbp),%edi
lea    -0x20(%rbp),%rsi
mov    $0xc,%edx
call   10c0 <bind@plt>
cmp    $0x0,%rax
jge    1289 <main+0xc9>
lea    0xdaa(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    13d4 <main+0x214>
movl   $0x10,-0x28(%rbp)
mov    -0x24(%rbp),%edi
mov    -0x28(%rbp),%esi
call   10b0 <listen@plt>
cmp    $0x0,%rax
jge    12bf <main+0xff>
lea    0xd8b(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    13d4 <main+0x214>
movl   $0x0,-0x3c(%rbp)
mov    -0x24(%rbp),%edi
lea    -0x38(%rbp),%rsi
lea    -0x3c(%rbp),%rdx
call   10d0 <accept@plt>
mov    %eax,-0x40(%rbp)
cmp    $0x0,%eax
jge    12fc <main+0x13c>
lea    0xd73(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    13d4 <main+0x214>
movl   $0x0,-0x44(%rbp)
movl   $0x0,-0x48(%rbp)
movl   $0x64,-0x4c(%rbp)
mov    -0x4c(%rbp),%eax
mov    %eax,%ecx
mov    %rsp,%rax
mov    %rax,-0x58(%rbp)
mov    %rcx,%rdx
add    $0xf,%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rax
sub    %rdx,%rax
mov    %rax,-0x70(%rbp)
mov    %rax,%rsp
mov    %rcx,-0x60(%rbp)
mov    %rax,-0x68(%rbp)
mov    -0x38(%rbp),%edi
call   1040 <inet_ntoa@plt>
mov    %rax,%rsi
lea    0xd35(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
mov    -0x40(%rbp),%edi
mov    -0x68(%rbp),%rsi
mov    -0x4c(%rbp),%edx
xor    %ecx,%ecx
call   1030 <recv@plt>
mov    %eax,-0x44(%rbp)
cmp    $0x0,%eax
jle    13c0 <main+0x200>
mov    -0x70(%rbp),%rsi
mov    -0x44(%rbp),%ecx
mov    -0x68(%rbp),%rax
movslq %ecx,%rcx
add    %rcx,%rax
mov    %rax,-0x68(%rbp)
mov    -0x44(%rbp),%ecx
mov    -0x4c(%rbp),%eax
sub    %ecx,%eax
mov    %eax,-0x4c(%rbp)
mov    -0x44(%rbp),%eax
add    -0x48(%rbp),%eax
mov    %eax,-0x48(%rbp)
lea    0xd07(%rip),%rdi
mov    $0x0,%al
call   1070 <printf@plt>
mov    -0x70(%rbp),%rsi
mov    -0x40(%rbp),%edi
mov    -0x48(%rbp),%edx
xor    %ecx,%ecx
call   1060 <send@plt>
jmp    1356 <main+0x196>
mov    -0x40(%rbp),%edi
call   10a0 <close@plt>
mov    -0x58(%rbp),%rax
mov    %rax,%rsp
jmp    12c6 <main+0x106>
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
mov    %rsp,%rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x38,%rsp
lea    -0x40(%rbp),%rdi
xor    %esi,%esi
mov    $0xc,%edx
call   10a0 <memset@plt>
mov    0x2df0(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x38(%rbp)
mov    $0x22ad,%edi
call   1060 <htons@plt>
mov    %eax,-0x3c(%rbp)
mov    0x2dcf(%rip),%rax
mov    (%rax),%edi
call   1090 <htonl@plt>
mov    %eax,-0x40(%rbp)
mov    0x2da6(%rip),%rax
mov    (%rax),%edi
mov    0x2da5(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   10f0 <socket@plt>
test   %eax,%eax
js     1367 <main+0x197>
mov    %eax,%r14d
lea    -0x40(%rbp),%rsi
mov    %eax,%edi
mov    $0xc,%edx
call   10d0 <bind@plt>
test   %rax,%rax
js     1379 <main+0x1a9>
mov    %r14d,%edi
mov    $0x10,%esi
call   10c0 <listen@plt>
test   %rax,%rax
js     1382 <main+0x1b2>
movl   $0x0,-0x2c(%rbp)
lea    -0x60(%rbp),%rsi
lea    -0x2c(%rbp),%rdx
mov    %r14d,%edi
call   10e0 <accept@plt>
test   %eax,%eax
js     1370 <main+0x1a0>
mov    %eax,%r13d
mov    %r14d,-0x30(%rbp)
jmp    12c6 <main+0xf6>
cs nopw 0x0(%rax,%rax,1)
mov    %ebx,%edi
call   10b0 <close@plt>
mov    -0x50(%rbp),%rsp
mov    -0x30(%rbp),%edi
lea    -0x60(%rbp),%rsi
lea    -0x2c(%rbp),%rdx
call   10e0 <accept@plt>
mov    %eax,%r13d
test   %eax,%eax
js     1370 <main+0x1a0>
mov    %rsp,-0x50(%rbp)
mov    %rsp,%rbx
add    $0xffffffffffffff90,%rbx
mov    %rbx,%rsp
mov    -0x60(%rbp),%edi
call   1050 <inet_ntoa@plt>
lea    0xd1d(%rip),%rdi
mov    %rax,%rsi
xor    %eax,%eax
call   1080 <printf@plt>
mov    %r13d,%edi
mov    %rbx,-0x48(%rbp)
mov    %rbx,%rsi
mov    $0x64,%edx
xor    %ecx,%ecx
call   1030 <recv@plt>
test   %eax,%eax
mov    %r13d,%ebx
jle    12a0 <main+0xd0>
xor    %r14d,%r14d
mov    $0x64,%r15d
mov    -0x48(%rbp),%r12
nopw   0x0(%rax,%rax,1)
mov    %eax,%ecx
add    %rcx,%r12
sub    %eax,%r15d
add    %eax,%r14d
lea    0xcf4(%rip),%rdi
mov    -0x48(%rbp),%r13
mov    %r13,%rsi
xor    %eax,%eax
call   1080 <printf@plt>
mov    %ebx,%edi
mov    %r13,%rsi
mov    %r14d,%edx
xor    %ecx,%ecx
call   1070 <send@plt>
mov    %ebx,%edi
mov    %r12,%rsi
mov    %r15d,%edx
xor    %ecx,%ecx
call   1030 <recv@plt>
test   %eax,%eax
jg     1320 <main+0x150>
jmp    12a0 <main+0xd0>
lea    0xd29(%rip),%rdi
jmp    1389 <main+0x1b9>
lea    0xcbf(%rip),%rdi
jmp    1389 <main+0x1b9>
lea    0xd01(%rip),%rdi
jmp    1389 <main+0x1b9>
lea    0xcd4(%rip),%rdi
call   1040 <puts@plt>
mov    $0x1,%eax
lea    -0x28(%rbp),%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
%struct.sockaddr_in = type { %struct.TYPE_2__, i32, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@AF_INET = global i32 0
@INADDR_ANY = global i32 0
@PF_INET = global i32 0
@SOCK_STREAM = global i32 0
@.str = [32 x i8] c"could not create listen socket\0A\00"
@.str.1 = [23 x i8] c"could not bind socket\0A\00"
@.str.2 = [37 x i8] c"could not open socket for listening\0A\00"
@.str.3 = [40 x i8] c"could not open a socket to accept data\0A\00"
@.str.4 = [38 x i8] c"client connected with ip address: %s\0A\00"
@.str.5 = [16 x i8] c"received: '%s'\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca %struct.sockaddr_in
%8 = alloca i32
%9 = alloca i32
%10 = alloca %struct.sockaddr_in
%11 = alloca i32
%12 = alloca i32
%13 = alloca i32
%14 = alloca i32
%15 = alloca i32
%16 = alloca i8*
%17 = alloca i64
%18 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 8877, i32* %6
%19 = call i32 @memset(%struct.sockaddr_in* %7, i32 0, i32 12)
%20 = load i32, i32* @AF_INET
%21 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %7, i32 0, i32 2
store i32 %20, i32* %21
%22 = load i32, i32* %6
%23 = call i32 @htons(i32 %22)
%24 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %7, i32 0, i32 1
store i32 %23, i32* %24
%25 = load i32, i32* @INADDR_ANY
%26 = call i32 @htonl(i32 %25)
%27 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %7, i32 0, i32 0
%28 = getelementptr inbounds %struct.TYPE_2__, %struct.TYPE_2__* %27, i32 0, i32 0
store i32 %26, i32* %28
%29 = load i32, i32* @PF_INET
%30 = load i32, i32* @SOCK_STREAM
%31 = call i32 @socket(i32 %29, i32 %30, i32 0)
store i32 %31, i32* %8
%32 = icmp slt i32 %31, 0
br i1 %32, label %33, label %35
33: ; preds = %2
%34 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %3
br label %92
35: ; preds = %2
%36 = load i32, i32* %8
%37 = bitcast %struct.sockaddr_in* %7 to %struct.sockaddr*
%38 = call i64 @bind(i32 %36, %struct.sockaddr* %37, i32 12)
%39 = icmp slt i64 %38, 0
br i1 %39, label %40, label %42
40: ; preds = %35
%41 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.1, i64 0, i64 0))
store i32 1, i32* %3
br label %92
42: ; preds = %35
store i32 16, i32* %9
%43 = load i32, i32* %8
%44 = load i32, i32* %9
%45 = call i64 @listen(i32 %43, i32 %44)
%46 = icmp slt i64 %45, 0
br i1 %46, label %47, label %49
47: ; preds = %42
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
store i32 1, i32* %3
br label %92
49: ; preds = %42
store i32 0, i32* %11
br label %50
50: ; preds = %49, %88
%51 = load i32, i32* %8
%52 = bitcast %struct.sockaddr_in* %10 to %struct.sockaddr*
%53 = call i32 @accept(i32 %51, %struct.sockaddr* %52, i32* %11)
store i32 %53, i32* %12
%54 = icmp slt i32 %53, 0
br i1 %54, label %55, label %57
55: ; preds = %50
%56 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.3, i64 0, i64 0))
store i32 1, i32* %3
br label %92
57: ; preds = %50
store i32 0, i32* %13
store i32 0, i32* %14
store i32 100, i32* %15
%58 = load i32, i32* %15
%59 = zext i32 %58 to i64
%60 = call i8* @llvm.stacksave()
store i8* %60, i8** %16
%61 = alloca i8, i64 %59
store i64 %59, i64* %17
store i8* %61, i8** %18
%62 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %10, i32 0, i32 0
%63 = getelementptr inbounds %struct.TYPE_2__, %struct.TYPE_2__* %62, i32 0, i32 0
%64 = load i32, i32* %63
%65 = call i8* @inet_ntoa(i32 %64)
%66 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.4, i64 0, i64 0), i8* %65)
br label %67
67: ; preds = %73, %57
%68 = load i32, i32* %12
%69 = load i8*, i8** %18
%70 = load i32, i32* %15
%71 = call i32 @recv(i32 %68, i8* %69, i32 %70, i32 0)
store i32 %71, i32* %13
%72 = icmp sgt i32 %71, 0
br i1 %72, label %73, label %88
73: ; preds = %67
%74 = load i32, i32* %13
%75 = load i8*, i8** %18
%76 = sext i32 %74 to i64
%77 = getelementptr inbounds i8, i8* %75, i64 %76
store i8* %77, i8** %18
%78 = load i32, i32* %13
%79 = load i32, i32* %15
%80 = sub nsw i32 %79, %78
store i32 %80, i32* %15
%81 = load i32, i32* %13
%82 = load i32, i32* %14
%83 = add nsw i32 %82, %81
store i32 %83, i32* %14
%84 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.5, i64 0, i64 0), i8* %61)
%85 = load i32, i32* %12
%86 = load i32, i32* %14
%87 = call i32 @send(i32 %85, i8* %61, i32 %86, i32 0)
br label %67
88: ; preds = %67
%89 = load i32, i32* %12
%90 = call i32 @close(i32 %89)
%91 = load i8*, i8** %16
br label %50
92: ; preds = %55, %47, %40, %33
%93 = load i32, i32* %3
ret i32 %93
}

LLVM IR (-O2):
%struct.sockaddr_in = type { %struct.TYPE_2__, i32, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@AF_INET = global i32 0
@INADDR_ANY = global i32 0
@PF_INET = global i32 0
@SOCK_STREAM = global i32 0
@.str.4 = [38 x i8] c"client connected with ip address: %s\0A\00"
@.str.5 = [16 x i8] c"received: '%s'\0A\00"
@str = [39 x i8] c"could not open a socket to accept data\00"
@str.6 = [36 x i8] c"could not open socket for listening\00"
@str.7 = [22 x i8] c"could not bind socket\00"
@str.8 = [31 x i8] c"could not create listen socket\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca %struct.sockaddr_in
%4 = alloca %struct.sockaddr_in
%5 = alloca i32
%6 = bitcast %struct.sockaddr_in* %3 to i8*
%7 = call i32 @memset(%struct.sockaddr_in* %3, i32 0, i32 12)
%8 = load i32, i32* @AF_INET
%9 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %3, i64 0, i32 2
store i32 %8, i32* %9
%10 = call i32 @htons(i32 8877)
%11 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %3, i64 0, i32 1
store i32 %10, i32* %11
%12 = load i32, i32* @INADDR_ANY
%13 = call i32 @htonl(i32 %12)
%14 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %3, i64 0, i32 0, i32 0
store i32 %13, i32* %14
%15 = load i32, i32* @PF_INET
%16 = load i32, i32* @SOCK_STREAM
%17 = call i32 @socket(i32 %15, i32 %16, i32 0)
%18 = icmp slt i32 %17, 0
br i1 %18, label %19, label %21
19: ; preds = %2
%20 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str.8, i64 0, i64 0))
br label %68
21: ; preds = %2
%22 = bitcast %struct.sockaddr_in* %3 to %struct.sockaddr*
%23 = call i64 @bind(i32 %17, %struct.sockaddr* %22, i32 12)
%24 = icmp slt i64 %23, 0
br i1 %24, label %25, label %27
25: ; preds = %21
%26 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.7, i64 0, i64 0))
br label %68
27: ; preds = %21
%28 = call i64 @listen(i32 %17, i32 16)
%29 = icmp slt i64 %28, 0
br i1 %29, label %30, label %32
30: ; preds = %27
%31 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.6, i64 0, i64 0))
br label %68
32: ; preds = %27
%33 = bitcast %struct.sockaddr_in* %4 to i8*
%34 = bitcast i32* %5 to i8*
store i32 0, i32* %5
%35 = bitcast %struct.sockaddr_in* %4 to %struct.sockaddr*
%36 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %4, i64 0, i32 0, i32 0
%37 = call i32 @accept(i32 %17, %struct.sockaddr* %35, i32* %5)
%38 = icmp slt i32 %37, 0
br i1 %38, label %66, label %39
39: ; preds = %32, %62
%40 = phi i32 [ %64, %62 ], [ %37, %32 ]
%41 = call i8* @llvm.stacksave()
%42 = alloca [100 x i8]
%43 = getelementptr inbounds [100 x i8], [100 x i8]* %42, i64 0, i64 0
%44 = load i32, i32* %36
%45 = call i8* @inet_ntoa(i32 %44)
%46 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @.str.4, i64 0, i64 0), i8* %45)
%47 = call i32 @recv(i32 %40, i8* %43, i32 100, i32 0)
%48 = icmp sgt i32 %47, 0
br i1 %48, label %49, label %62
49: ; preds = %39, %49
%50 = phi i32 [ %60, %49 ], [ %47, %39 ]
%51 = phi i8* [ %55, %49 ], [ %43, %39 ]
%52 = phi i32 [ %56, %49 ], [ 100, %39 ]
%53 = phi i32 [ %57, %49 ], [ 0, %39 ]
%54 = zext i32 %50 to i64
%55 = getelementptr inbounds i8, i8* %51, i64 %54
%56 = sub nsw i32 %52, %50
%57 = add nsw i32 %50, %53
%58 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.5, i64 0, i64 0), i8* %43)
%59 = call i32 @send(i32 %40, i8* %43, i32 %57, i32 0)
%60 = call i32 @recv(i32 %40, i8* %55, i32 %56, i32 0)
%61 = icmp sgt i32 %60, 0
br i1 %61, label %49, label %62
62: ; preds = %49, %39
%63 = call i32 @close(i32 %40)
%64 = call i32 @accept(i32 %17, %struct.sockaddr* %35, i32* %5)
%65 = icmp slt i32 %64, 0
br i1 %65, label %66, label %39
66: ; preds = %62, %32
%67 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @str, i64 0, i64 0))
br label %68
68: ; preds = %30, %66, %25, %19
ret i32 1
}