#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*/ EX_USAGE;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
__attribute__((noreturn)) void usage(const char *prgnam) {
  fprintf(stderr, "usage: %s COMMAND\n", prgnam);
  fprintf(stderr, "\nCOMMAND\n");
  fprintf(stderr, "  read  BMP\n");
  fprintf(stderr, "  write BMP in_file\n");
  fprintf(stderr, "\n");
  fprintf(stderr, "if in_file is \"-\", the standard input is used\n");
  exit(EX_USAGE);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ea5(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xec0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e8a(%rip),%rax
mov    (%rax),%edi
lea    0xebc(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e73(%rip),%rax
mov    (%rax),%edi
lea    0xeaf(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e5c(%rip),%rax
mov    (%rax),%edi
lea    0xea5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e45(%rip),%rax
mov    (%rax),%edi
lea    0xe7f(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e2e(%rip),%rax
mov    (%rax),%edi
lea    0xe8c(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e27(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2ead(%rip),%rbx
mov    (%rbx),%edi
lea    0xecc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xecf(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xec9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xec6(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xea7(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xebb(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    0x2e56(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [19 x i8] c"usage: %s COMMAND\0A\00"
@.str.1 = [10 x i8] c"\0ACOMMAND\0A\00"
@.str.2 = [13 x i8] c" read BMP\0A\00"
@.str.3 = [21 x i8] c" write BMP in_file\0A\00"
@.str.4 = [2 x i8] c"\0A\00"
@.str.5 = [47 x i8] c"if in_file is \22-\22, the standard input is used\0A\00"
@EX_USAGE = global i32 0
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.5, i64 0, i64 0))
%16 = load i32, i32* @EX_USAGE
%17 = call i32 @exit(i32 %16)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [19 x i8] c"usage: %s COMMAND\0A\00"
@.str.1 = [10 x i8] c"\0ACOMMAND\0A\00"
@.str.2 = [13 x i8] c" read BMP\0A\00"
@.str.3 = [21 x i8] c" write BMP in_file\0A\00"
@.str.4 = [2 x i8] c"\0A\00"
@.str.5 = [47 x i8] c"if in_file is \22-\22, the standard input is used\0A\00"
@EX_USAGE = global i32 0
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.5, i64 0, i64 0))
%14 = load i32, i32* @EX_USAGE
%15 = tail call i32 @exit(i32 %14)
unreachable
}