#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;
usage(char *s) {
  fprintf(stderr, "usage: jerasure_01 r c w - creates and prints out a matrix "
                  "in GF(2^w).\n\n");
  fprintf(stderr, "       Element i,j is equal to 2^(i*c+j)\n");
  fprintf(stderr, "       \n");
  fprintf(stderr, "This demonstrates jerasure_print_matrix().\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    0xef6(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7f(%rip),%rax
mov    (%rax),%edi
lea    0xf09(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e68(%rip),%rax
mov    (%rax),%edi
lea    0xefb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
cmpq   $0x0,-0x8(%rbp)
je     11ae <usage+0x8e>
mov    0x2e46(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xf01(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
mov    0x2eb2(%rip),%rbx
mov    (%rbx),%edi
lea    0xec9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf02(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf1c(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf15(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
test   %r14,%r14
je     1186 <usage+0x66>
mov    (%rbx),%edi
lea    0xf2c(%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 = [73 x i8] c"usage: jerasure_01 r c w - creates and prints out a matrix in GF(2^w).\0A\0A\00"
@.str.1 = [42 x i8] c" Element i,j is equal to 2^(i*c+j)\0A\00"
@.str.2 = [9 x i8] c" \0A\00"
@.str.3 = [44 x i8] c"This demonstrates jerasure_print_matrix().\0A\00"
@.str.4 = [4 x i8] c"%s\0A\00"
define i32 @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 ([73 x i8], [73 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([42 x i8], [42 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 ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%11 = load i8*, i8** %2
%12 = icmp ne i8* %11, null
br i1 %12, label %13, label %17
13: ; preds = %1
%14 = load i32, i32* @stderr
%15 = load i8*, i8** %2
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i8* %15)
br label %17
17: ; preds = %13, %1
%18 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [73 x i8] c"usage: jerasure_01 r c w - creates and prints out a matrix in GF(2^w).\0A\0A\00"
@.str.1 = [42 x i8] c" Element i,j is equal to 2^(i*c+j)\0A\00"
@.str.2 = [9 x i8] c" \0A\00"
@.str.3 = [44 x i8] c"This demonstrates jerasure_print_matrix().\0A\00"
@.str.4 = [4 x i8] c"%s\0A\00"
define i32 @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([73 x i8], [73 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([42 x i8], [42 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 ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%10 = icmp eq i8* %0, null
br i1 %10, label %14, label %11
11: ; preds = %1
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i8* %0)
br label %14
14: ; preds = %11, %1
%15 = tail call i32 @exit(i32 1)
unreachable
}