#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 */
char *strdup(char *);
char *strtok(char *, char *);
char *parser_get_cmd(char *data) {
  char *buf;
  char *delimit = " ";
  char *buf1 = strdup(data);
  buf = strtok(buf1, ":!");
  buf = strtok(NULL, "~@");
  buf = strtok(NULL, " ");
  buf = strtok(NULL, delimit);
  return (char *)buf;
}


x86 assembly (clang, -O0):
<parser_get_cmd>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xecd(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strdup@plt>
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rdi
lea    0xeb3(%rip),%rsi
call   1030 <strtok@plt>
mov    %rax,-0x10(%rbp)
xor    %eax,%eax
mov    %eax,%edi
lea    0xea2(%rip),%rsi
call   1030 <strtok@plt>
mov    %rax,-0x10(%rbp)
xor    %eax,%eax
mov    %eax,%edi
lea    0xe89(%rip),%rsi
call   1030 <strtok@plt>
mov    %rax,-0x10(%rbp)
mov    -0x18(%rbp),%rsi
xor    %eax,%eax
mov    %eax,%edi
call   1030 <strtok@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<parser_get_cmd>:
push   %rbx
call   1040 <strdup@plt>
lea    0xed5(%rip),%rsi
mov    %rax,%rdi
call   1030 <strtok@plt>
lea    0xec9(%rip),%rsi
xor    %edi,%edi
call   1030 <strtok@plt>
lea    0xeb6(%rip),%rbx
xor    %edi,%edi
mov    %rbx,%rsi
call   1030 <strtok@plt>
xor    %edi,%edi
mov    %rbx,%rsi
pop    %rbx
jmp    1030 <strtok@plt>

LLVM IR (-O0):
@.str = [2 x i8] c" \00"
@.str.1 = [3 x i8] c":!\00"
@.str.2 = [3 x i8] c"~@\00"
define i8* @parser_get_cmd(i8* %0) {
%2 = alloca i8*
%3 = alloca i8*
%4 = alloca i8*
%5 = alloca i8*
store i8* %0, i8** %2
store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i8** %4
%6 = load i8*, i8** %2
%7 = call i8* @strdup(i8* %6)
store i8* %7, i8** %5
%8 = load i8*, i8** %5
%9 = call i8* @strtok(i8* %8, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
store i8* %9, i8** %3
%10 = call i8* @strtok(i8* null, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
store i8* %10, i8** %3
%11 = call i8* @strtok(i8* null, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i8* %11, i8** %3
%12 = load i8*, i8** %4
%13 = call i8* @strtok(i8* null, i8* %12)
store i8* %13, i8** %3
%14 = load i8*, i8** %3
ret i8* %14
}

LLVM IR (-O2):
@.str = [2 x i8] c" \00"
@.str.1 = [3 x i8] c":!\00"
@.str.2 = [3 x i8] c"~@\00"
define i8* @parser_get_cmd(i8* nocapture %0) {
%2 = tail call i8* @strdup(i8* %0)
%3 = tail call i8* @strtok(i8* %2, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i8* @strtok(i8* null, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%5 = tail call i8* @strtok(i8* null, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%6 = tail call i8* @strtok(i8* null, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
ret i8* %6
}