#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void print_usage(char *argv0) {
  fprintf(stderr, "Usage: %s -s <SIZE> -n <NUM_THREADS> [-p] [-c]\n", argv0);
  fprintf(stderr, "Required arguments:\n"
                  "  -s <SIZE>\tthe size of the NxN matrix, a.k.a. N\n"
                  "  -n <NUM_THREADS>\tthe number of threads to use\n"
                  "Optional arguments:\n"
                  "  -p\t\tprint the initial matrix and the rotated one\n"
                  "  -c\t\tcheck correctness (uses double amount of memory)\n");
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ebd(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xed0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea2(%rip),%rax
mov    (%rax),%edi
lea    0xee9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2ec5(%rip),%rbx
mov    (%rbx),%edi
lea    0xedc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xefc(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [48 x i8] c"Usage: %s -s <SIZE> -n <NUM_THREADS> [-p] [-c]\0A\00"
@.str.1 = [244 x i8] c"Required arguments:\0A -s <SIZE>\09the size of the NxN matrix, a.k.a. N\0A -n <NUM_THREADS>\09the number of threads to use\0AOptional arguments:\0A -p\09\09print the initial matrix and the rotated one\0A -c\09\09check correctness (uses double amount of memory)\0A\00"
define void @print_usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([244 x i8], [244 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [48 x i8] c"Usage: %s -s <SIZE> -n <NUM_THREADS> [-p] [-c]\0A\00"
@.str.1 = [244 x i8] c"Required arguments:\0A -s <SIZE>\09the size of the NxN matrix, a.k.a. N\0A -n <NUM_THREADS>\09the number of threads to use\0AOptional arguments:\0A -p\09\09print the initial matrix and the rotated one\0A -c\09\09check correctness (uses double amount of memory)\0A\00"
define void @print_usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([244 x i8], [244 x i8]* @.str.1, i64 0, i64 0))
ret void
}