#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*/ printf(char *, ...);
void fnShowUsage(char *name, char *msg) {
  printf("%s:\n", msg);
  printf("USAGE:\n");
  printf("\t%s [-l logfile] [-m maxconn] ...\n", name);
  printf("OPTIONS:\n");
  printf("\t[-l logfile]\tspecify a logfile\n");
  printf("\t[-m maxconn]\tlimit number of connected clients\n");
  printf("\t[-p port]\tbind socket to given port\n");
}


x86 assembly (clang, -O0):
<fnShowUsage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x10(%rbp),%rsi
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xecc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xec2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf09(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<fnShowUsage>:
push   %rbx
mov    %rdi,%rbx
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeef(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed9(%rip),%rdi
call   1030 <puts@plt>
lea    0xed6(%rip),%rdi
call   1030 <puts@plt>
lea    0xeea(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0e(%rip),%rdi
pop    %rbx
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [5 x i8] c"%s:\0A\00"
@.str.1 = [8 x i8] c"USAGE:\0A\00"
@.str.2 = [35 x i8] c"\09%s [-l logfile] [-m maxconn] ...\0A\00"
@.str.3 = [10 x i8] c"OPTIONS:\0A\00"
@.str.4 = [33 x i8] c"\09[-l logfile]\09specify a logfile\0A\00"
@.str.5 = [49 x i8] c"\09[-m maxconn]\09limit number of connected clients\0A\00"
@.str.6 = [38 x i8] c"\09[-p port]\09bind socket to given port\0A\00"
define void @fnShowUsage(i8* %0, i8* %1) {
%3 = alloca i8*
%4 = alloca i8*
store i8* %0, i8** %3
store i8* %1, i8** %4
%5 = load i8*, i8** %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%8 = load i8*, i8** %3
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0), i8* %8)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.4, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.5, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [5 x i8] c"%s:\0A\00"
@.str.2 = [35 x i8] c"\09%s [-l logfile] [-m maxconn] ...\0A\00"
@str = [7 x i8] c"USAGE:\00"
@str.7 = [9 x i8] c"OPTIONS:\00"
@str.8 = [32 x i8] c"\09[-l logfile]\09specify a logfile\00"
@str.9 = [48 x i8] c"\09[-m maxconn]\09limit number of connected clients\00"
@str.10 = [37 x i8] c"\09[-p port]\09bind socket to given port\00"
define void @fnShowUsage(i8* %0, i8* %1) {
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* %1)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0), i8* %0)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.7, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.8, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.9, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str.10, i64 0, i64 0))
ret void
}