#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(void) {
  printf("Usage: magtisun [-l] [-o] [-i] [-h]\n");
  printf("options are:\n");
  printf("   -l                  # do login\n");
  printf("   -o                  # logout from app\n");
  printf("   -i                  # get and print user information\n");
  printf("   -h                  # prints version and usage\n");
  printf("\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
call   1030 <printf@plt>
lea    0xf00(%rip),%rdi
call   1030 <printf@plt>
lea    0xf17(%rip),%rdi
call   1030 <printf@plt>
lea    0xf35(%rip),%rdi
call   1030 <printf@plt>
lea    0xf62(%rip),%rdi
call   1030 <printf@plt>
lea    0xece(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
lea    0xef0(%rip),%rdi
call   1040 <puts@plt>
lea    0xef1(%rip),%rdi
call   1040 <puts@plt>
lea    0xf07(%rip),%rdi
call   1040 <puts@plt>
lea    0xf24(%rip),%rdi
call   1040 <puts@plt>
lea    0xf50(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
pop    %rax
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [37 x i8] c"Usage: magtisun [-l] [-o] [-i] [-h]\0A\00"
@.str.1 = [14 x i8] c"options are:\0A\00"
@.str.2 = [35 x i8] c" -l # do login\0A\00"
@.str.3 = [42 x i8] c" -o # logout from app\0A\00"
@.str.4 = [57 x i8] c" -i # get and print user information\0A\00"
@.str.5 = [51 x i8] c" -h # prints version and usage\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [36 x i8] c"Usage: magtisun [-l] [-o] [-i] [-h]\00"
@str.7 = [13 x i8] c"options are:\00"
@str.8 = [34 x i8] c" -l # do login\00"
@str.9 = [41 x i8] c" -o # logout from app\00"
@str.10 = [56 x i8] c" -i # get and print user information\00"
@str.11 = [50 x i8] c" -h # prints version and usage\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([56 x i8], [56 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @putchar(i32 10)
ret void
}