#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 *, ...);
void usage(const char *execName) {
  printf("Usage:\n------\n");
  printf("%s [NAME]\n", execName);
  printf("\nWARNING: This program requires root privileges to do its job\n\n");
  printf("Exit Codes:\n-----------\n");
  printf("\t0 - Exit Success\n");
  printf("\t1 - Failed to run because of lack of root privileges\n");
  printf("\t2 - Failed to run because of illegal arguments given\n");
  return;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf09(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf14(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf19(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf42(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xee0(%rip),%rdi
call   1030 <puts@plt>
lea    0xec9(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed1(%rip),%rdi
call   1030 <puts@plt>
lea    0xf04(%rip),%rdi
call   1030 <puts@plt>
lea    0xf10(%rip),%rdi
call   1030 <puts@plt>
lea    0xf16(%rip),%rdi
call   1030 <puts@plt>
lea    0xf40(%rip),%rdi
pop    %rbx
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [15 x i8] c"Usage:\0A------\0A\00"
@.str.1 = [11 x i8] c"%s [NAME]\0A\00"
@.str.2 = [64 x i8] c"\0AWARNING: This program requires root privileges to do its job\0A\0A\00"
@.str.3 = [25 x i8] c"Exit Codes:\0A-----------\0A\00"
@.str.4 = [19 x i8] c"\090 - Exit Success\0A\00"
@.str.5 = [55 x i8] c"\091 - Failed to run because of lack of root privileges\0A\00"
@.str.6 = [55 x i8] c"\092 - Failed to run because of illegal arguments given\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0))
%4 = load i8*, i8** %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.1 = [11 x i8] c"%s [NAME]\0A\00"
@str = [14 x i8] c"Usage:\0A------\00"
@str.7 = [63 x i8] c"\0AWARNING: This program requires root privileges to do its job\0A\00"
@str.8 = [24 x i8] c"Exit Codes:\0A-----------\00"
@str.9 = [18 x i8] c"\090 - Exit Success\00"
@str.10 = [54 x i8] c"\091 - Failed to run because of lack of root privileges\00"
@str.11 = [54 x i8] c"\092 - Failed to run because of illegal arguments given\00"
define void @usage(i8* %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([63 x i8], [63 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.10, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.11, i64 0, i64 0))
ret void
}