#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_SUCCESS;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
void usage(char *cmd) {
  printf("Usage:\n");
  printf("  %s -r <offset> -c <count> - read <count> bytes from <offset>\n",
         cmd);
  printf("  %s -w <offset> -o <value> - write <offset> with <value>\n", cmd);
  printf("  %s -f <start> -l <end>    - erase from <start> to <end>\n", cmd);
  printf("Note:\n");
  printf("  <count> is decimal, the other parameters are hexadecimal\n");
  exit(EXIT_SUCCESS);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xecd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xef1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xf1a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf47(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf40(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e4d(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xf7b(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb9(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee8(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf12(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf43(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3d(%rip),%rdi
call   1030 <puts@plt>
mov    0x2e4e(%rip),%rax
mov    (%rax),%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"Usage:\0A\00"
@.str.1 = [64 x i8] c" %s -r <offset> -c <count> - read <count> bytes from <offset>\0A\00"
@.str.2 = [59 x i8] c" %s -w <offset> -o <value> - write <offset> with <value>\0A\00"
@.str.3 = [59 x i8] c" %s -f <start> -l <end> - erase from <start> to <end>\0A\00"
@.str.4 = [7 x i8] c"Note:\0A\00"
@.str.5 = [60 x i8] c" <count> is decimal, the other parameters are hexadecimal\0A\00"
@EXIT_SUCCESS = global i32 0
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%4 = load i8*, i8** %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = load i8*, i8** %2
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.2, i64 0, i64 0), i8* %6)
%8 = load i8*, i8** %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.3, i64 0, i64 0), i8* %8)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.5, i64 0, i64 0))
%12 = load i32, i32* @EXIT_SUCCESS
%13 = call i32 @exit(i32 %12)
unreachable
}

LLVM IR (-O2):
@.str.1 = [64 x i8] c" %s -r <offset> -c <count> - read <count> bytes from <offset>\0A\00"
@.str.2 = [59 x i8] c" %s -w <offset> -o <value> - write <offset> with <value>\0A\00"
@.str.3 = [59 x i8] c" %s -f <start> -l <end> - erase from <start> to <end>\0A\00"
@EXIT_SUCCESS = global i32 0
@str = [7 x i8] c"Usage:\00"
@str.6 = [6 x i8] c"Note:\00"
@str.7 = [59 x i8] c" <count> is decimal, the other parameters are hexadecimal\00"
define void @usage(i8* %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([64 x i8], [64 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @.str.2, i64 0, i64 0), i8* %0)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @.str.3, i64 0, i64 0), i8* %0)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @str.6, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.7, i64 0, i64 0))
%8 = load i32, i32* @EXIT_SUCCESS
%9 = tail call i32 @exit(i32 %8)
unreachable
}