#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 *prog) {
  printf("Usage: %s [-l] [-b <bias>] [-s <value>] [-u <uAPI>] <gpiochip> "
         "<offset>\n",
         prog);
  printf("        -b: set line bias to one of pull-down, pull-up, disabled\n");
  printf("               (default is to leave bias unchanged):\n");
  printf("        -l: set line active low (default is active high)\n");
  printf("        -s: set line value (default is to get line value)\n");
  printf("        -u: uAPI version to use (default is 2)\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    0xf04(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf38(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf60(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf8c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xfb9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0xffffffff,%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    0xf00(%rip),%rdi
call   1030 <puts@plt>
lea    0xf35(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5e(%rip),%rdi
call   1030 <puts@plt>
lea    0xf8b(%rip),%rdi
call   1030 <puts@plt>
lea    0xfb9(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [73 x i8] c"Usage: %s [-l] [-b <bias>] [-s <value>] [-u <uAPI>] <gpiochip> <offset>\0A\00"
@.str.1 = [66 x i8] c" -b: set line bias to one of pull-down, pull-up, disabled\0A\00"
@.str.2 = [54 x i8] c" (default is to leave bias unchanged):\0A\00"
@.str.3 = [58 x i8] c" -l: set line active low (default is active high)\0A\00"
@.str.4 = [59 x i8] c" -s: set line value (default is to get line value)\0A\00"
@.str.5 = [48 x i8] c" -u: uAPI version to use (default is 2)\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 ([73 x i8], [73 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([66 x i8], [66 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 @exit(i32 -1)
unreachable
}

LLVM IR (-O2):
@.str = [73 x i8] c"Usage: %s [-l] [-b <bias>] [-s <value>] [-u <uAPI>] <gpiochip> <offset>\0A\00"
@str = [65 x i8] c" -b: set line bias to one of pull-down, pull-up, disabled\00"
@str.6 = [53 x i8] c" (default is to leave bias unchanged):\00"
@str.7 = [57 x i8] c" -l: set line active low (default is active high)\00"
@str.8 = [58 x i8] c" -s: set line value (default is to get line value)\00"
@str.9 = [47 x i8] c" -u: uAPI version to use (default is 2)\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([73 x i8], [73 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([65 x i8], [65 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @str.6, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.7, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @str.8, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str.9, i64 0, i64 0))
%8 = tail call i32 @exit(i32 -1)
unreachable
}