#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(int);
int /*<<< orphan*/ printf(char *, ...);
void usage(char *argv0) {
  printf("Usage: %s [option] {zero or more file names}\n", argv0);
  printf("Option (exactly one is required):\n");
  printf("--cr2crlf\n");
  printf("--lf2crlf\n");
  printf("--crlf2cr\n");
  printf("--crlf2lf\n");
  printf("--cr2lf\n");
  printf("--lf2cr\n");
  printf("-h or --help: print this message\n");
  printf("Zero file names means read from standard input.\n");
  printf(
      "Output is always to standard output; files are not written in-place.\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    %rdi,%rsi
lea    0xec5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee5(%rip),%rdi
call   1030 <puts@plt>
lea    0xefb(%rip),%rdi
call   1030 <puts@plt>
lea    0xef9(%rip),%rdi
call   1030 <puts@plt>
lea    0xef7(%rip),%rdi
call   1030 <puts@plt>
lea    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xeef(%rip),%rdi
call   1030 <puts@plt>
lea    0xeeb(%rip),%rdi
call   1030 <puts@plt>
lea    0xf00(%rip),%rdi
call   1030 <puts@plt>
lea    0xf24(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [46 x i8] c"Usage: %s [option] {zero or more file names}\0A\00"
@.str.1 = [35 x i8] c"Option (exactly one is required):\0A\00"
@.str.2 = [11 x i8] c"--cr2crlf\0A\00"
@.str.3 = [11 x i8] c"--lf2crlf\0A\00"
@.str.4 = [11 x i8] c"--crlf2cr\0A\00"
@.str.5 = [11 x i8] c"--crlf2lf\0A\00"
@.str.6 = [9 x i8] c"--cr2lf\0A\00"
@.str.7 = [9 x i8] c"--lf2cr\0A\00"
@.str.8 = [34 x i8] c"-h or --help: print this message\0A\00"
@.str.9 = [49 x i8] c"Zero file names means read from standard input.\0A\00"
@.str.10 = [70 x i8] c"Output is always to standard output; files are not written in-place.\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.8, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.9, i64 0, i64 0))
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([70 x i8], [70 x i8]* @.str.10, i64 0, i64 0))
%15 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str = [46 x i8] c"Usage: %s [option] {zero or more file names}\0A\00"
@str = [34 x i8] c"Option (exactly one is required):\00"
@str.11 = [10 x i8] c"--cr2crlf\00"
@str.12 = [10 x i8] c"--lf2crlf\00"
@str.13 = [10 x i8] c"--crlf2cr\00"
@str.14 = [10 x i8] c"--crlf2lf\00"
@str.15 = [8 x i8] c"--cr2lf\00"
@str.16 = [8 x i8] c"--lf2cr\00"
@str.17 = [33 x i8] c"-h or --help: print this message\00"
@str.18 = [48 x i8] c"Zero file names means read from standard input.\00"
@str.19 = [69 x i8] c"Output is always to standard output; files are not written in-place.\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.11, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.12, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.13, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.14, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.15, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.16, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str.17, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.18, i64 0, i64 0))
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([69 x i8], [69 x i8]* @str.19, i64 0, i64 0))
%13 = tail call i32 @exit(i32 1)
unreachable
}