#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(const char *argv0, int exit_code) {
  fprintf(stderr, "Usage: %s [-d] [-[-]] [FILES]...\n", argv0);
  fprintf(stderr, "       -d/--debug    Print debugging information\n");
  fprintf(stderr, "       -v/--version  Print info and version number\n");
  fprintf(stderr, "       -h/--help     Print help\n");
  exit(exit_code);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    0x2eaa(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xebd(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e8f(%rip),%rax
mov    (%rax),%edi
lea    0xec8(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e78(%rip),%rax
mov    (%rax),%edi
lea    0xee3(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e61(%rip),%rax
mov    (%rax),%edi
lea    0xf00(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    -0xc(%rbp),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbp
push   %rbx
push   %rax
mov    %esi,%ebp
mov    %rdi,%rdx
mov    0x2eb1(%rip),%rbx
mov    (%rbx),%edi
lea    0xec8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xeda(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xefc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf20(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    %ebp,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [34 x i8] c"Usage: %s [-d] [-[-]] [FILES]...\0A\00"
@.str.1 = [50 x i8] c" -d/--debug Print debugging information\0A\00"
@.str.2 = [52 x i8] c" -v/--version Print info and version number\0A\00"
@.str.3 = [33 x i8] c" -h/--help Print help\0A\00"
define void @usage(i8* %0, i32 %1) {
%3 = alloca i8*
%4 = alloca i32
store i8* %0, i8** %3
store i32 %1, i32* %4
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %3
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i8* %6)
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.1, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.2, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.3, i64 0, i64 0))
%14 = load i32, i32* %4
%15 = call i32 @exit(i32 %14)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [34 x i8] c"Usage: %s [-d] [-[-]] [FILES]...\0A\00"
@.str.1 = [50 x i8] c" -d/--debug Print debugging information\0A\00"
@.str.2 = [52 x i8] c" -v/--version Print info and version number\0A\00"
@.str.3 = [33 x i8] c" -h/--help Print help\0A\00"
define void @usage(i8* %0, i32 %1) {
%3 = load i32, i32* @stderr
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i8* %0)
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.1, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.2, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.3, i64 0, i64 0))
%11 = tail call i32 @exit(i32 %1)
unreachable
}