#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 netpkt_usage(void) {
  printf("usage: netpkt options\n");
  printf("\n");
  printf(" -a     transmit and receive\n");
  printf(" -r     receive\n");
  printf(" -t     transmit\n");
  printf(" -v     verbose\n");
  printf("\n");
}


x86 assembly (clang, -O0):
<netpkt_usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf40(%rip),%rdi
call   1030 <printf@plt>
lea    0xee4(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xefb(%rip),%rdi
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
call   1030 <printf@plt>
lea    0xf04(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<netpkt_usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
lea    0xee9(%rip),%rdi
call   1040 <puts@plt>
lea    0xeed(%rip),%rdi
call   1040 <puts@plt>
lea    0xef2(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
pop    %rax
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [23 x i8] c"usage: netpkt options\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [30 x i8] c" -a transmit and receive\0A\00"
@.str.3 = [17 x i8] c" -r receive\0A\00"
@.str.4 = [18 x i8] c" -t transmit\0A\00"
@.str.5 = [17 x i8] c" -v verbose\0A\00"
define void @netpkt_usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [22 x i8] c"usage: netpkt options\00"
@str.6 = [29 x i8] c" -a transmit and receive\00"
@str.7 = [16 x i8] c" -r receive\00"
@str.8 = [17 x i8] c" -t transmit\00"
@str.9 = [16 x i8] c" -v verbose\00"
define void @netpkt_usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @putchar(i32 10)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.6, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @putchar(i32 10)
ret void
}