#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*/ EXIT_SUCCESS;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
void usage(void) {
  printf("Usage: %s [options]\n", "tsh");
  printf("Options:\n");
  printf("  <command file> Command file to read from\n");
  printf("  --help         Displays this information and exits\n");
  printf("  --version      Prints program version and exits\n");
  exit(EXIT_SUCCESS);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
lea    0xee3(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e68(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xec8(%rip),%rdi
lea    0xed6(%rip),%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecc(%rip),%rdi
call   1030 <puts@plt>
lea    0xec9(%rip),%rdi
call   1030 <puts@plt>
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf11(%rip),%rdi
call   1030 <puts@plt>
mov    0x2e63(%rip),%rax
mov    (%rax),%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [21 x i8] c"Usage: %s [options]\0A\00"
@.str.1 = [4 x i8] c"tsh\00"
@.str.2 = [10 x i8] c"Options:\0A\00"
@.str.3 = [44 x i8] c" <command file> Command file to read from\0A\00"
@.str.4 = [54 x i8] c" --help Displays this information and exits\0A\00"
@.str.5 = [51 x i8] c" --version Prints program version and exits\0A\00"
@EXIT_SUCCESS = global i32 0
define void @usage() {
%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.4, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.5, i64 0, i64 0))
%6 = load i32, i32* @EXIT_SUCCESS
%7 = call i32 @exit(i32 %6)
unreachable
}

LLVM IR (-O2):
@.str = [21 x i8] c"Usage: %s [options]\0A\00"
@.str.1 = [4 x i8] c"tsh\00"
@EXIT_SUCCESS = global i32 0
@str = [9 x i8] c"Options:\00"
@str.6 = [43 x i8] c" <command file> Command file to read from\00"
@str.7 = [53 x i8] c" --help Displays this information and exits\00"
@str.8 = [50 x i8] c" --version Prints program version and exits\00"
define void @usage() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.6, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.8, i64 0, i64 0))
%6 = load i32, i32* @EXIT_SUCCESS
%7 = tail call i32 @exit(i32 %6)
unreachable
}