#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 usage(int argc, char *argv[]) {
  fprintf(stderr, "%s [options]\n", argv[0]);
  fprintf(stderr, " -b <n>\tchange local board id [%d]\n", 0);
  fprintf(stderr, " -e <n>\tchange local endpoint id [%d]\n", 0xffffffffU);
  fprintf(stderr, " -l <n>\tuse length instead of predefined ones\n");
  fprintf(stderr, " -P <n>\tsend multiple messages in parallel [%d]\n", 4);
  fprintf(stderr,
          " -s\tuse shared communication instead of native networking\n");
  fprintf(
      stderr,
      " -S\tuse self communication instead of shared or native networking\n");
  fprintf(stderr, " -v\tenable verbose messages\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    0x2eba(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xeca(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e9c(%rip),%rax
mov    (%rax),%edi
lea    0xec1(%rip),%rsi
xor    %edx,%edx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e83(%rip),%rax
mov    (%rax),%edi
lea    0xecc(%rip),%rsi
mov    $0xffffffff,%edx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e67(%rip),%rax
mov    (%rax),%edi
lea    0xed7(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e50(%rip),%rax
mov    (%rax),%edi
lea    0xeef(%rip),%rsi
mov    $0x4,%edx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e34(%rip),%rax
mov    (%rax),%edi
lea    0xf04(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e1d(%rip),%rax
mov    (%rax),%edi
lea    0xf28(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e06(%rip),%rax
mov    (%rax),%edi
lea    0xf54(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
mov    (%rsi),%rdx
lea    0xedc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xeda(%rip),%rsi
xor    %edx,%edx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xeec(%rip),%rsi
mov    $0xffffffff,%edx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xefe(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf1d(%rip),%rsi
mov    $0x4,%edx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf39(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf64(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf97(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [14 x i8] c"%s [options]\0A\00"
@.str.1 = [36 x i8] c" -b <n>\09change local board id [%d]\0A\00"
@.str.2 = [39 x i8] c" -e <n>\09change local endpoint id [%d]\0A\00"
@.str.3 = [47 x i8] c" -l <n>\09use length instead of predefined ones\0A\00"
@.str.4 = [49 x i8] c" -P <n>\09send multiple messages in parallel [%d]\0A\00"
@.str.5 = [59 x i8] c" -s\09use shared communication instead of native networking\0A\00"
@.str.6 = [67 x i8] c" -S\09use self communication instead of shared or native networking\0A\00"
@.str.7 = [29 x i8] c" -v\09enable verbose messages\0A\00"
define void @usage(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8**
store i32 %0, i32* %3
store i8** %1, i8*** %4
%5 = load i32, i32* @stderr
%6 = load i8**, i8*** %4
%7 = getelementptr inbounds i8*, i8** %6, i64 0
%8 = load i8*, i8** %7
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0), i8* %8)
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.1, i64 0, i64 0), i32 0)
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), i32 -1)
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.3, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.4, i64 0, i64 0), i32 4)
%18 = load i32, i32* @stderr
%19 = call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.5, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([67 x i8], [67 x i8]* @.str.6, i64 0, i64 0))
%22 = load i32, i32* @stderr
%23 = call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.7, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [14 x i8] c"%s [options]\0A\00"
@.str.1 = [36 x i8] c" -b <n>\09change local board id [%d]\0A\00"
@.str.2 = [39 x i8] c" -e <n>\09change local endpoint id [%d]\0A\00"
@.str.3 = [47 x i8] c" -l <n>\09use length instead of predefined ones\0A\00"
@.str.4 = [49 x i8] c" -P <n>\09send multiple messages in parallel [%d]\0A\00"
@.str.5 = [59 x i8] c" -s\09use shared communication instead of native networking\0A\00"
@.str.6 = [67 x i8] c" -S\09use self communication instead of shared or native networking\0A\00"
@.str.7 = [29 x i8] c" -v\09enable verbose messages\0A\00"
define void @usage(i32 %0, i8** nocapture %1) {
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %1
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.1, i64 0, i64 0), i32 0)
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), i32 -1)
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.4, i64 0, i64 0), i32 4)
%14 = load i32, i32* @stderr
%15 = tail call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([59 x i8], [59 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 ([67 x i8], [67 x i8]* @.str.6, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.7, i64 0, i64 0))
ret void
}