#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 */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ pub_message(char *, char *);
int /*<<< orphan*/ sleep(int);
int main(int argc, char *argv[]) {
  printf("test001\n");
  char *msg_pub = "hhhhhhhhhhhhhhhhhhhhhh";
  char *msg_topic1 = "mqtt";
  {
    pub_message(msg_topic1, msg_pub);
    printf("test while 01\n");
    sleep(2);
  }
  printf("test002\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
call   1040 <printf@plt>
lea    0xeb0(%rip),%rax
mov    %rax,-0x18(%rbp)
lea    0xebc(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rdi
mov    -0x18(%rbp),%rsi
call   1030 <pub_message@plt>
lea    0xea9(%rip),%rdi
call   1040 <printf@plt>
mov    $0x2,%edi
call   1050 <sleep@plt>
lea    0xea2(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee4(%rip),%rdi
call   1030 <puts@plt>
lea    0xed3(%rip),%rdi
lea    0xeb5(%rip),%rsi
call   1040 <pub_message@plt>
lea    0xecd(%rip),%rdi
call   1030 <puts@plt>
mov    $0x2,%edi
call   1050 <sleep@plt>
lea    0xec5(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [9 x i8] c"test001\0A\00"
@.str.1 = [23 x i8] c"hhhhhhhhhhhhhhhhhhhhhh\00"
@.str.2 = [5 x i8] c"mqtt\00"
@.str.3 = [15 x i8] c"test while 01\0A\00"
@.str.4 = [9 x i8] c"test002\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
%7 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
store i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.1, i64 0, i64 0), i8** %6
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8** %7
%9 = load i8*, i8** %7
%10 = load i8*, i8** %6
%11 = call i32 @pub_message(i8* %9, i8* %10)
%12 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0))
%13 = call i32 @sleep(i32 2)
%14 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [23 x i8] c"hhhhhhhhhhhhhhhhhhhhhh\00"
@.str.2 = [5 x i8] c"mqtt\00"
@str = [8 x i8] c"test001\00"
@str.5 = [14 x i8] c"test while 01\00"
@str.6 = [8 x i8] c"test002\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @pub_message(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.1, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.5, i64 0, i64 0))
%6 = tail call i32 @sleep(i32 2)
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.6, i64 0, i64 0))
ret i32 0
}