#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_FAILURE;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
__attribute__((noreturn)) void usage(void) {
  fprintf(stderr, "Usage: %s [OPTIONS]\n", "wk-sigbench");
  fprintf(stderr, "\nOptions:\n\n");
  fprintf(stderr, "--thread N       number of threads to be spawned\n");
  fprintf(stderr, "--repeat N       number of repetition\n");
  fprintf(stderr, "--foreach        scalability analysis\n");
  fprintf(stderr, "--verbose        be verbose\n");
  fprintf(stderr, "--help           print this message and exit\n");
  fprintf(stderr, "\n");
  exit(EXIT_FAILURE);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2eb5(%rip),%rax
mov    (%rax),%edi
lea    0xecc(%rip),%rsi
lea    0xeda(%rip),%rdx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e97(%rip),%rax
mov    (%rax),%edi
lea    0xecf(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e80(%rip),%rax
mov    (%rax),%edi
lea    0xec4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e69(%rip),%rax
mov    (%rax),%edi
lea    0xedf(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e52(%rip),%rax
mov    (%rax),%edi
lea    0xeef(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e3b(%rip),%rax
mov    (%rax),%edi
lea    0xeff(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e24(%rip),%rax
mov    (%rax),%edi
lea    0xf05(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e0d(%rip),%rax
mov    (%rax),%edi
lea    0xe4f(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dee(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2eb8(%rip),%rbx
mov    (%rbx),%edi
lea    0xecf(%rip),%rsi
lea    0xedd(%rip),%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xed9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xed5(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef7(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf0e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf25(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf32(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xe83(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    0x2e22(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [21 x i8] c"Usage: %s [OPTIONS]\0A\00"
@.str.1 = [12 x i8] c"wk-sigbench\00"
@.str.2 = [12 x i8] c"\0AOptions:\0A\0A\00"
@.str.3 = [50 x i8] c"--thread N number of threads to be spawned\0A\00"
@.str.4 = [39 x i8] c"--repeat N number of repetition\0A\00"
@.str.5 = [39 x i8] c"--foreach scalability analysis\0A\00"
@.str.6 = [29 x i8] c"--verbose be verbose\0A\00"
@.str.7 = [46 x i8] c"--help print this message and exit\0A\00"
@.str.8 = [2 x i8] c"\0A\00"
@EXIT_FAILURE = global i32 0
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.4, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.5, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.6, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.7, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.8, i64 0, i64 0))
%17 = load i32, i32* @EXIT_FAILURE
%18 = call i32 @exit(i32 %17)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [21 x i8] c"Usage: %s [OPTIONS]\0A\00"
@.str.1 = [12 x i8] c"wk-sigbench\00"
@.str.2 = [12 x i8] c"\0AOptions:\0A\0A\00"
@.str.3 = [50 x i8] c"--thread N number of threads to be spawned\0A\00"
@.str.4 = [39 x i8] c"--repeat N number of repetition\0A\00"
@.str.5 = [39 x i8] c"--foreach scalability analysis\0A\00"
@.str.6 = [29 x i8] c"--verbose be verbose\0A\00"
@.str.7 = [46 x i8] c"--help print this message and exit\0A\00"
@.str.8 = [2 x i8] c"\0A\00"
@EXIT_FAILURE = global i32 0
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.4, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.5, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.6, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = tail call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.7, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = tail call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.8, i64 0, i64 0))
%17 = load i32, i32* @EXIT_FAILURE
%18 = tail call i32 @exit(i32 %17)
unreachable
}