#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(char *argv[]) {
  fprintf(stderr,
          "Usage: %s -u uid [-g gid] [-d dir] [-v] [-h] -- command args...\n",
          argv[0]);
  fprintf(stderr, "\n");
  fprintf(stderr, "-u user : exec as specified uid or username\n");
  fprintf(stderr, "-g gid : exec as specified gid or groupname\n");
  fprintf(stderr, "-d dir : change directory to specified dir\n");
  fprintf(stderr, "-v : show version and exit\n");
  fprintf(stderr, "-h : show this usage\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ead(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rax
mov    (%rax),%rdx
lea    0xebd(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e8f(%rip),%rax
mov    (%rax),%edi
lea    0xee5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e78(%rip),%rax
mov    (%rax),%edi
lea    0xed0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e61(%rip),%rax
mov    (%rax),%edi
lea    0xee6(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e4a(%rip),%rax
mov    (%rax),%edi
lea    0xefc(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e33(%rip),%rax
mov    (%rax),%edi
lea    0xf11(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e1c(%rip),%rax
mov    (%rax),%edi
lea    0xf16(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2eb8(%rip),%rbx
mov    (%rbx),%eax
mov    (%rdi),%rdx
lea    0xecc(%rip),%rsi
mov    %eax,%edi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xeeb(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf08(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf25(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf41(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4d(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [65 x i8] c"Usage: %s -u uid [-g gid] [-d dir] [-v] [-h] -- command args...\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [45 x i8] c"-u user : exec as specified uid or username\0A\00"
@.str.3 = [45 x i8] c"-g gid : exec as specified gid or groupname\0A\00"
@.str.4 = [44 x i8] c"-d dir : change directory to specified dir\0A\00"
@.str.5 = [28 x i8] c"-v : show version and exit\0A\00"
@.str.6 = [22 x i8] c"-h : show this usage\0A\00"
define void @usage(i8** %0) {
%2 = alloca i8**
store i8** %0, i8*** %2
%3 = load i32, i32* @stderr
%4 = load i8**, i8*** %2
%5 = getelementptr inbounds i8*, i8** %4, i64 0
%6 = load i8*, i8** %5
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([65 x i8], [65 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 ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.3, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.4, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.5, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.6, i64 0, i64 0))
%20 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [65 x i8] c"Usage: %s -u uid [-g gid] [-d dir] [-v] [-h] -- command args...\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [45 x i8] c"-u user : exec as specified uid or username\0A\00"
@.str.3 = [45 x i8] c"-g gid : exec as specified gid or groupname\0A\00"
@.str.4 = [44 x i8] c"-d dir : change directory to specified dir\0A\00"
@.str.5 = [28 x i8] c"-v : show version and exit\0A\00"
@.str.6 = [22 x i8] c"-h : show this usage\0A\00"
define void @usage(i8** nocapture %0) {
%2 = load i32, i32* @stderr
%3 = load i8*, i8** %0
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([2 x i8], [2 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 ([45 x i8], [45 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 ([45 x i8], [45 x i8]* @.str.3, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.4, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = tail call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.5, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = tail call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.6, i64 0, i64 0))
%17 = tail call i32 @exit(i32 1)
unreachable
}