#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 print_usage(void) {
  printf("Usage: \n");
  printf("ln -s file_utils file_read\n");
  printf("ln -s file_utils file_write\n");
  printf("Run:\n");
  printf("command [options].\n");
  printf("now supportted command: file_read, file_write.\n");
  return;
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee2(%rip),%rdi
call   1030 <printf@plt>
lea    0xef2(%rip),%rdi
call   1030 <printf@plt>
lea    0xf03(%rip),%rdi
call   1030 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <printf@plt>
lea    0xf05(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xee4(%rip),%rdi
call   1030 <puts@plt>
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf03(%rip),%rdi
call   1030 <puts@plt>
lea    0xefc(%rip),%rdi
call   1030 <puts@plt>
lea    0xf03(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [9 x i8] c"Usage: \0A\00"
@.str.1 = [28 x i8] c"ln -s file_utils file_read\0A\00"
@.str.2 = [29 x i8] c"ln -s file_utils file_write\0A\00"
@.str.3 = [6 x i8] c"Run:\0A\00"
@.str.4 = [20 x i8] c"command [options].\0A\00"
@.str.5 = [48 x i8] c"now supportted command: file_read, file_write.\0A\00"
define void @print_usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [8 x i8] c"Usage: \00"
@str.6 = [27 x i8] c"ln -s file_utils file_read\00"
@str.7 = [28 x i8] c"ln -s file_utils file_write\00"
@str.8 = [5 x i8] c"Run:\00"
@str.9 = [19 x i8] c"command [options].\00"
@str.10 = [47 x i8] c"now supportted command: file_read, file_write.\00"
define void @print_usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str.10, i64 0, i64 0))
ret void
}