#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: reed_sol_04 w - Shows reed_sol_galois_wXX_region_multby_2\n");
  fprintf(stderr, "       \n");
  fprintf(
      stderr,
      "       w must be 8, 16 or 32.  Sets up an array of 4 random words in\n");
  fprintf(stderr, "       GF(2^w) and multiplies them by two.  \n");
  fprintf(stderr, "       \n");
  fprintf(stderr, "This demonstrates: reed_sol_galois_w08_region_multby_2()\n");
  fprintf(stderr, "                   reed_sol_galois_w16_region_multby_2()\n");
  fprintf(stderr, "                   reed_sol_galois_w32_region_multby_2()\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    0xeef(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7f(%rip),%rax
mov    (%rax),%edi
lea    0xee1(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e68(%rip),%rax
mov    (%rax),%edi
lea    0xf10(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e51(%rip),%rax
mov    (%rax),%edi
lea    0xeaa(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e3a(%rip),%rax
mov    (%rax),%edi
lea    0xf10(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e23(%rip),%rax
mov    (%rax),%edi
lea    0xf33(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e0c(%rip),%rax
mov    (%rax),%edi
lea    0xf56(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
cmpq   $0x0,-0x8(%rbp)
je     120a <usage+0xea>
mov    0x2dea(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xf6a(%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    0xefa(%rip),%r15
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef0(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf26(%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    0xf38(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf62(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf8c(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
test   %r14,%r14
je     11c6 <usage+0xa6>
mov    (%rbx),%edi
lea    0xfb1(%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 = [66 x i8] c"usage: reed_sol_04 w - Shows reed_sol_galois_wXX_region_multby_2\0A\00"
@.str.1 = [9 x i8] c" \0A\00"
@.str.2 = [70 x i8] c" w must be 8, 16 or 32. Sets up an array of 4 random words in\0A\00"
@.str.3 = [46 x i8] c" GF(2^w) and multiplies them by two. \0A\00"
@.str.4 = [58 x i8] c"This demonstrates: reed_sol_galois_w08_region_multby_2()\0A\00"
@.str.5 = [58 x i8] c" reed_sol_galois_w16_region_multby_2()\0A\00"
@.str.6 = [58 x i8] c" reed_sol_galois_w32_region_multby_2()\0A\00"
@.str.7 = [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 ([66 x i8], [66 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 ([70 x i8], [70 x i8]* @.str.2, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.3, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.4, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = call i32 (i32, i8*, ...) @fprintf(i32 %17, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.6, i64 0, i64 0))
%19 = load i8*, i8** %2
%20 = icmp ne i8* %19, null
br i1 %20, label %21, label %25
21: ; preds = %1
%22 = load i32, i32* @stderr
%23 = load i8*, i8** %2
%24 = call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i8* %23)
br label %25
25: ; preds = %21, %1
%26 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [66 x i8] c"usage: reed_sol_04 w - Shows reed_sol_galois_wXX_region_multby_2\0A\00"
@.str.1 = [9 x i8] c" \0A\00"
@.str.2 = [70 x i8] c" w must be 8, 16 or 32. Sets up an array of 4 random words in\0A\00"
@.str.3 = [46 x i8] c" GF(2^w) and multiplies them by two. \0A\00"
@.str.4 = [58 x i8] c"This demonstrates: reed_sol_galois_w08_region_multby_2()\0A\00"
@.str.5 = [58 x i8] c" reed_sol_galois_w16_region_multby_2()\0A\00"
@.str.6 = [58 x i8] c" reed_sol_galois_w32_region_multby_2()\0A\00"
@.str.7 = [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 ([66 x i8], [66 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 ([70 x i8], [70 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 ([46 x i8], [46 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 ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = tail call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = tail call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.6, i64 0, i64 0))
%18 = icmp eq i8* %0, null
br i1 %18, label %22, label %19
19: ; preds = %1
%20 = load i32, i32* @stderr
%21 = tail call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i8* %0)
br label %22
22: ; preds = %19, %1
%23 = tail call i32 @exit(i32 1)
unreachable
}