#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 [-i /dev/i2c-X] [-d] { -up | -dn | -t "
                  "freq-in-10khz | -r srate | -ts | -s }\n");
  fprintf(stderr, " e.g.: %s -i /dev/i2c-2 -up -t 9380 for 93800khz\n",
          argv[0]);
  fprintf(stderr, "   or: %s -dn to power off\n", argv[0]);
  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
lea    0xec4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e96(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rax
mov    (%rax),%rdx
lea    0xefd(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e78(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rax
mov    (%rax),%rdx
lea    0xf11(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
mov    0x2eb2(%rip),%r14
mov    (%r14),%edi
lea    0xec8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
mov    (%rbx),%rdx
lea    0xf0b(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
mov    (%rbx),%rdx
lea    0xf29(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [87 x i8] c"Usage: %s [-i /dev/i2c-X] [-d] { -up | -dn | -t freq-in-10khz | -r srate | -ts | -s }\0A\00"
@.str.1 = [50 x i8] c" e.g.: %s -i /dev/i2c-2 -up -t 9380 for 93800khz\0A\00"
@.str.2 = [28 x i8] c" or: %s -dn to power off\0A\00"
define void @usage(i8** %0) {
%2 = alloca i8**
store i8** %0, i8*** %2
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([87 x i8], [87 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = load i8**, i8*** %2
%7 = getelementptr inbounds i8*, i8** %6, i64 0
%8 = load i8*, i8** %7
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.1, i64 0, i64 0), i8* %8)
%10 = load i32, i32* @stderr
%11 = load i8**, i8*** %2
%12 = getelementptr inbounds i8*, i8** %11, i64 0
%13 = load i8*, i8** %12
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i8* %13)
%15 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [87 x i8] c"Usage: %s [-i /dev/i2c-X] [-d] { -up | -dn | -t freq-in-10khz | -r srate | -ts | -s }\0A\00"
@.str.1 = [50 x i8] c" e.g.: %s -i /dev/i2c-2 -up -t 9380 for 93800khz\0A\00"
@.str.2 = [28 x i8] c" or: %s -dn to power off\0A\00"
define void @usage(i8** nocapture %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([87 x i8], [87 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = load i8*, i8** %0
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.1, i64 0, i64 0), i8* %5)
%7 = load i32, i32* @stderr
%8 = load i8*, i8** %0
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i8* %8)
%10 = tail call i32 @exit(i32 1)
unreachable
}