#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 *s) {
  fprintf(stderr, "usage: jerasure_06 k m w packetsize\n");
  fprintf(stderr,
          "Does a simple Cauchy Reed-Solomon coding example in GF(2^w).\n");
  fprintf(stderr, "       \n");
  fprintf(stderr, "       k+m must be < 2^w.  Packetsize must be a multiple of "
                  "sizeof(long)\n");
  fprintf(stderr, "       It sets up a Cauchy distribution matrix and encodes "
                  "k devices of w*packetsize bytes.\n");
  fprintf(stderr, "       After that, it decodes device 0 by using "
                  "jerasure_make_decoding_bitmatrix()\n");
  fprintf(stderr, "       and jerasure_bitmatrix_dotprod().\n");
  fprintf(stderr, "       \n");
  fprintf(stderr, "This demonstrates: jerasure_bitmatrix_encode()\n");
  fprintf(stderr, "                   jerasure_bitmatrix_decode()\n");
  fprintf(stderr, "                   jerasure_print_bitmatrix()\n");
  fprintf(stderr, "                   jerasure_make_decoding_bitmatrix()\n");
  fprintf(stderr, "                   jerasure_bitmatrix_dotprod()\n");
  if (s != NULL)
    fprintf(stderr, "\n%s\n\n", s);
  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
lea    0xed2(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7f(%rip),%rax
mov    (%rax),%edi
lea    0xef9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e68(%rip),%rax
mov    (%rax),%edi
lea    0xeeb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e51(%rip),%rax
mov    (%rax),%edi
lea    0xf1e(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e3a(%rip),%rax
mov    (%rax),%edi
lea    0xf64(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e23(%rip),%rax
mov    (%rax),%edi
lea    0xfa1(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e0c(%rip),%rax
mov    (%rax),%edi
lea    0xe86(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2df5(%rip),%rax
mov    (%rax),%edi
lea    0xf9d(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dde(%rip),%rax
mov    (%rax),%edi
lea    0xfb6(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dc7(%rip),%rax
mov    (%rax),%edi
lea    0xfcf(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2db0(%rip),%rax
mov    (%rax),%edi
lea    0xfe7(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d99(%rip),%rax
mov    (%rax),%edi
lea    0x1007(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
cmpq   $0x0,-0x8(%rbp)
je     127d <usage+0x15d>
mov    0x2d77(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0x1012(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%r14
mov    0x2eb1(%rip),%rbx
mov    (%rbx),%edi
lea    0xec8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xedd(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf0b(%rip),%r15
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf01(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf3b(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf88(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfcc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfda(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xffa(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x101a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1039(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1060(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
test   %r14,%r14
je     1216 <usage+0xf6>
mov    (%rbx),%edi
lea    0x107c(%rip),%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [37 x i8] c"usage: jerasure_06 k m w packetsize\0A\00"
@.str.1 = [62 x i8] c"Does a simple Cauchy Reed-Solomon coding example in GF(2^w).\0A\00"
@.str.2 = [9 x i8] c" \0A\00"
@.str.3 = [74 x i8] c" k+m must be < 2^w. Packetsize must be a multiple of sizeof(long)\0A\00"
@.str.4 = [93 x i8] c" It sets up a Cauchy distribution matrix and encodes k devices of w*packetsize bytes.\0A\00"
@.str.5 = [84 x i8] c" After that, it decodes device 0 by using jerasure_make_decoding_bitmatrix()\0A\00"
@.str.6 = [42 x i8] c" and jerasure_bitmatrix_dotprod().\0A\00"
@.str.7 = [48 x i8] c"This demonstrates: jerasure_bitmatrix_encode()\0A\00"
@.str.8 = [48 x i8] c" jerasure_bitmatrix_decode()\0A\00"
@.str.9 = [47 x i8] c" jerasure_print_bitmatrix()\0A\00"
@.str.10 = [55 x i8] c" jerasure_make_decoding_bitmatrix()\0A\00"
@.str.11 = [49 x i8] c" jerasure_bitmatrix_dotprod()\0A\00"
@.str.12 = [6 x i8] c"\0A%s\0A\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 ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.1, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.3, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([93 x i8], [93 x i8]* @.str.4, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([84 x i8], [84 x i8]* @.str.5, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.6, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = call i32 (i32, i8*, ...) @fprintf(i32 %17, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%19 = load i32, i32* @stderr
%20 = call i32 (i32, i8*, ...) @fprintf(i32 %19, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.7, i64 0, i64 0))
%21 = load i32, i32* @stderr
%22 = call i32 (i32, i8*, ...) @fprintf(i32 %21, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.8, i64 0, i64 0))
%23 = load i32, i32* @stderr
%24 = call i32 (i32, i8*, ...) @fprintf(i32 %23, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.9, i64 0, i64 0))
%25 = load i32, i32* @stderr
%26 = call i32 (i32, i8*, ...) @fprintf(i32 %25, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.10, i64 0, i64 0))
%27 = load i32, i32* @stderr
%28 = call i32 (i32, i8*, ...) @fprintf(i32 %27, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.11, i64 0, i64 0))
%29 = load i8*, i8** %2
%30 = icmp ne i8* %29, null
br i1 %30, label %31, label %35
31: ; preds = %1
%32 = load i32, i32* @stderr
%33 = load i8*, i8** %2
%34 = call i32 (i32, i8*, ...) @fprintf(i32 %32, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.12, i64 0, i64 0), i8* %33)
br label %35
35: ; preds = %31, %1
%36 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [37 x i8] c"usage: jerasure_06 k m w packetsize\0A\00"
@.str.1 = [62 x i8] c"Does a simple Cauchy Reed-Solomon coding example in GF(2^w).\0A\00"
@.str.2 = [9 x i8] c" \0A\00"
@.str.3 = [74 x i8] c" k+m must be < 2^w. Packetsize must be a multiple of sizeof(long)\0A\00"
@.str.4 = [93 x i8] c" It sets up a Cauchy distribution matrix and encodes k devices of w*packetsize bytes.\0A\00"
@.str.5 = [84 x i8] c" After that, it decodes device 0 by using jerasure_make_decoding_bitmatrix()\0A\00"
@.str.6 = [42 x i8] c" and jerasure_bitmatrix_dotprod().\0A\00"
@.str.7 = [48 x i8] c"This demonstrates: jerasure_bitmatrix_encode()\0A\00"
@.str.8 = [48 x i8] c" jerasure_bitmatrix_decode()\0A\00"
@.str.9 = [47 x i8] c" jerasure_print_bitmatrix()\0A\00"
@.str.10 = [55 x i8] c" jerasure_make_decoding_bitmatrix()\0A\00"
@.str.11 = [49 x i8] c" jerasure_bitmatrix_dotprod()\0A\00"
@.str.12 = [6 x i8] c"\0A%s\0A\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([62 x i8], [62 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 ([9 x i8], [9 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 ([74 x i8], [74 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 ([93 x i8], [93 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 ([84 x i8], [84 x i8]* @.str.5, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = tail call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.6, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = tail call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.7, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = tail call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.8, i64 0, i64 0))
%22 = load i32, i32* @stderr
%23 = tail call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.9, i64 0, i64 0))
%24 = load i32, i32* @stderr
%25 = tail call i32 (i32, i8*, ...) @fprintf(i32 %24, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.10, i64 0, i64 0))
%26 = load i32, i32* @stderr
%27 = tail call i32 (i32, i8*, ...) @fprintf(i32 %26, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.11, i64 0, i64 0))
%28 = icmp eq i8* %0, null
br i1 %28, label %32, label %29
29: ; preds = %1
%30 = load i32, i32* @stderr
%31 = tail call i32 (i32, i8*, ...) @fprintf(i32 %30, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.12, i64 0, i64 0), i8* %0)
br label %32
32: ; preds = %29, %1
%33 = tail call i32 @exit(i32 1)
unreachable
}