#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;
int usage(void) {
  fprintf(stderr,
          "\nUsage: fft [<cilk-options>] [-n #] [-c] [-benchmark] [-h]\n\n");
  fprintf(stderr,
          "This program is a highly optimized version of the classical\n");
  fprintf(stderr, "Cooley-Tukey Fast Fourier Transform algorithm.  Some "
                  "documentation can\n");
  fprintf(
      stderr,
      "be found in the source code. The program is optimized for an exact\n");
  fprintf(stderr, "power of 2.  To test for correctness use parameter -c.\n\n");
  return 1;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2eb0(%rip),%rax
mov    (%rax),%edi
lea    0xf04(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e9b(%rip),%rax
mov    (%rax),%edi
lea    0xf2c(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xf5f(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
lea    0xf8e(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0x1,%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf0e(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf3d(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf77(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfad(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0x1,%eax
pop    %rbx
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [61 x i8] c"\0AUsage: fft [<cilk-options>] [-n #] [-c] [-benchmark] [-h]\0A\0A\00"
@.str.1 = [61 x i8] c"This program is a highly optimized version of the classical\0A\00"
@.str.2 = [72 x i8] c"Cooley-Tukey Fast Fourier Transform algorithm. Some documentation can\0A\00"
@.str.3 = [68 x i8] c"be found in the source code. The program is optimized for an exact\0A\00"
@.str.4 = [57 x i8] c"power of 2. To test for correctness use parameter -c.\0A\0A\00"
define i32 @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([72 x i8], [72 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.4, i64 0, i64 0))
ret i32 1
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [61 x i8] c"\0AUsage: fft [<cilk-options>] [-n #] [-c] [-benchmark] [-h]\0A\0A\00"
@.str.1 = [61 x i8] c"This program is a highly optimized version of the classical\0A\00"
@.str.2 = [72 x i8] c"Cooley-Tukey Fast Fourier Transform algorithm. Some documentation can\0A\00"
@.str.3 = [68 x i8] c"be found in the source code. The program is optimized for an exact\0A\00"
@.str.4 = [57 x i8] c"power of 2. To test for correctness use parameter -c.\0A\0A\00"
define i32 @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([72 x i8], [72 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.4, i64 0, i64 0))
ret i32 1
}