#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: cauchy_03 k m w - Scheduled CRS coding example with "
                  "improved matrix in GF(2^w).\n");
  fprintf(stderr, "       \n");
  fprintf(stderr, "       k+m must be <= 2^w.  It sets up a Cauchy "
                  "distribution matrix using the original\n");
  fprintf(stderr, "       Cauchy Distribution matrix construction algorithm, "
                  "then improves it\n");
  fprintf(stderr, "       with cauchy_improve_coding_matrix().  Then it does "
                  "the same encoding and\n");
  fprintf(stderr, "       decoding as cauchy_02.\n");
  fprintf(stderr, "       \n");
  fprintf(stderr, "This demonstrates: cauchy_original_coding_matrix()\n");
  fprintf(stderr, "                   cauchy_improve_coding_matrix()\n");
  fprintf(stderr, "                   cauchy_n_ones()\n");
  fprintf(stderr,
          "                   jerasure_smart_bitmatrix_to_schedule()\n");
  fprintf(stderr, "                   jerasure_schedule_encode()\n");
  fprintf(stderr, "                   jerasure_schedule_decode_lazy()\n");
  fprintf(stderr, "                   jerasure_print_matrix()\n");
  fprintf(stderr, "                   jerasure_get_stats()\n");
  if (s != NULL)
    fprintf(stderr, "%s\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    0xf05(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7f(%rip),%rax
mov    (%rax),%edi
lea    0xef7(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e68(%rip),%rax
mov    (%rax),%edi
lea    0xf38(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e51(%rip),%rax
mov    (%rax),%edi
lea    0xf6d(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e3a(%rip),%rax
mov    (%rax),%edi
lea    0xfa7(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e23(%rip),%rax
mov    (%rax),%edi
lea    0xe92(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e0c(%rip),%rax
mov    (%rax),%edi
lea    0xf98(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2df5(%rip),%rax
mov    (%rax),%edi
lea    0xfb5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dde(%rip),%rax
mov    (%rax),%edi
lea    0xfd1(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dc7(%rip),%rax
mov    (%rax),%edi
lea    0xfde(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2db0(%rip),%rax
mov    (%rax),%edi
lea    0x1002(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d99(%rip),%rax
mov    (%rax),%edi
lea    0x101a(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d82(%rip),%rax
mov    (%rax),%edi
lea    0x1037(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d6b(%rip),%rax
mov    (%rax),%edi
lea    0x104c(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
cmpq   $0x0,-0x8(%rbp)
je     12ab <usage+0x18b>
mov    0x2d49(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0x104f(%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    0xf10(%rip),%r15
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf06(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf8a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfcb(%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    0xfce(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xff2(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1015(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1029(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1054(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1073(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1097(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x10b3(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
test   %r14,%r14
je     1236 <usage+0x116>
mov    (%rbx),%edi
lea    0x10c7(%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 = [88 x i8] c"usage: cauchy_03 k m w - Scheduled CRS coding example with improved matrix in GF(2^w).\0A\00"
@.str.1 = [9 x i8] c" \0A\00"
@.str.2 = [88 x i8] c" k+m must be <= 2^w. It sets up a Cauchy distribution matrix using the original\0A\00"
@.str.3 = [76 x i8] c" Cauchy Distribution matrix construction algorithm, then improves it\0A\00"
@.str.4 = [81 x i8] c" with cauchy_improve_coding_matrix(). Then it does the same encoding and\0A\00"
@.str.5 = [31 x i8] c" decoding as cauchy_02.\0A\00"
@.str.6 = [52 x i8] c"This demonstrates: cauchy_original_coding_matrix()\0A\00"
@.str.7 = [51 x i8] c" cauchy_improve_coding_matrix()\0A\00"
@.str.8 = [36 x i8] c" cauchy_n_ones()\0A\00"
@.str.9 = [59 x i8] c" jerasure_smart_bitmatrix_to_schedule()\0A\00"
@.str.10 = [47 x i8] c" jerasure_schedule_encode()\0A\00"
@.str.11 = [52 x i8] c" jerasure_schedule_decode_lazy()\0A\00"
@.str.12 = [44 x i8] c" jerasure_print_matrix()\0A\00"
@.str.13 = [41 x i8] c" jerasure_get_stats()\0A\00"
@.str.14 = [4 x i8] c"%s\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 ([88 x i8], [88 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([88 x i8], [88 x i8]* @.str.2, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([76 x i8], [76 x i8]* @.str.3, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([81 x i8], [81 x i8]* @.str.4, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.5, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = call i32 (i32, i8*, ...) @fprintf(i32 %17, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.6, i64 0, i64 0))
%19 = load i32, i32* @stderr
%20 = call i32 (i32, i8*, ...) @fprintf(i32 %19, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.7, i64 0, i64 0))
%21 = load i32, i32* @stderr
%22 = call i32 (i32, i8*, ...) @fprintf(i32 %21, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.8, i64 0, i64 0))
%23 = load i32, i32* @stderr
%24 = call i32 (i32, i8*, ...) @fprintf(i32 %23, i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.9, i64 0, i64 0))
%25 = load i32, i32* @stderr
%26 = call i32 (i32, i8*, ...) @fprintf(i32 %25, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.10, i64 0, i64 0))
%27 = load i32, i32* @stderr
%28 = call i32 (i32, i8*, ...) @fprintf(i32 %27, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.11, i64 0, i64 0))
%29 = load i32, i32* @stderr
%30 = call i32 (i32, i8*, ...) @fprintf(i32 %29, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.12, i64 0, i64 0))
%31 = load i32, i32* @stderr
%32 = call i32 (i32, i8*, ...) @fprintf(i32 %31, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.13, i64 0, i64 0))
%33 = load i8*, i8** %2
%34 = icmp ne i8* %33, null
br i1 %34, label %35, label %39
35: ; preds = %1
%36 = load i32, i32* @stderr
%37 = load i8*, i8** %2
%38 = call i32 (i32, i8*, ...) @fprintf(i32 %36, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.14, i64 0, i64 0), i8* %37)
br label %39
39: ; preds = %35, %1
%40 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [88 x i8] c"usage: cauchy_03 k m w - Scheduled CRS coding example with improved matrix in GF(2^w).\0A\00"
@.str.1 = [9 x i8] c" \0A\00"
@.str.2 = [88 x i8] c" k+m must be <= 2^w. It sets up a Cauchy distribution matrix using the original\0A\00"
@.str.3 = [76 x i8] c" Cauchy Distribution matrix construction algorithm, then improves it\0A\00"
@.str.4 = [81 x i8] c" with cauchy_improve_coding_matrix(). Then it does the same encoding and\0A\00"
@.str.5 = [31 x i8] c" decoding as cauchy_02.\0A\00"
@.str.6 = [52 x i8] c"This demonstrates: cauchy_original_coding_matrix()\0A\00"
@.str.7 = [51 x i8] c" cauchy_improve_coding_matrix()\0A\00"
@.str.8 = [36 x i8] c" cauchy_n_ones()\0A\00"
@.str.9 = [59 x i8] c" jerasure_smart_bitmatrix_to_schedule()\0A\00"
@.str.10 = [47 x i8] c" jerasure_schedule_encode()\0A\00"
@.str.11 = [52 x i8] c" jerasure_schedule_decode_lazy()\0A\00"
@.str.12 = [44 x i8] c" jerasure_print_matrix()\0A\00"
@.str.13 = [41 x i8] c" jerasure_get_stats()\0A\00"
@.str.14 = [4 x i8] c"%s\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([88 x i8], [88 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([9 x i8], [9 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 ([88 x i8], [88 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 ([76 x i8], [76 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 ([81 x i8], [81 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 ([31 x i8], [31 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 ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = tail call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.6, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([51 x i8], [51 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 ([36 x i8], [36 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 ([59 x i8], [59 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 ([47 x i8], [47 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 ([52 x i8], [52 x i8]* @.str.11, i64 0, i64 0))
%28 = load i32, i32* @stderr
%29 = tail call i32 (i32, i8*, ...) @fprintf(i32 %28, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.12, i64 0, i64 0))
%30 = load i32, i32* @stderr
%31 = tail call i32 (i32, i8*, ...) @fprintf(i32 %30, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.13, i64 0, i64 0))
%32 = icmp eq i8* %0, null
br i1 %32, label %36, label %33
33: ; preds = %1
%34 = load i32, i32* @stderr
%35 = tail call i32 (i32, i8*, ...) @fprintf(i32 %34, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.14, i64 0, i64 0), i8* %0)
br label %36
36: ; preds = %33, %1
%37 = tail call i32 @exit(i32 1)
unreachable
}