#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(void) {
  fprintf(stderr,
          "usage: %s [-l<length>] [-o<offset>] [-w<width>] <filename>\n",
          "dump");
  fprintf(stderr, "-l<length> : number of bytes to display\n");
  fprintf(stderr, "-o<offset> : starting offset into the file\n");
  fprintf(stderr, "-w<width>  : number of bytes per display line\n");
  return;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
lea    0xf11(%rip),%rdx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea7(%rip),%rax
mov    (%rax),%edi
lea    0xeff(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e90(%rip),%rax
mov    (%rax),%edi
lea    0xf11(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xf26(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
lea    0xf14(%rip),%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf09(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf22(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf3e(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [60 x i8] c"usage: %s [-l<length>] [-o<offset>] [-w<width>] <filename>\0A\00"
@.str.1 = [5 x i8] c"dump\00"
@.str.2 = [41 x i8] c"-l<length> : number of bytes to display\0A\00"
@.str.3 = [44 x i8] c"-o<offset> : starting offset into the file\0A\00"
@.str.4 = [47 x i8] c"-w<width> : number of bytes per display line\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [60 x i8] c"usage: %s [-l<length>] [-o<offset>] [-w<width>] <filename>\0A\00"
@.str.1 = [5 x i8] c"dump\00"
@.str.2 = [41 x i8] c"-l<length> : number of bytes to display\0A\00"
@.str.3 = [44 x i8] c"-o<offset> : starting offset into the file\0A\00"
@.str.4 = [47 x i8] c"-w<width> : number of bytes per display line\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.4, i64 0, i64 0))
ret void
}