#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 printUsage(void) {
  printf("Usage:   emulator -p port [options]\n");
  printf("options:\n");
  printf("-d        discard and send packet drop report (default no)\n");
  printf("-e        introduce CRC/checksum errors (default: no)\n");
  printf("-h        show this message\n");
  printf("-n number send each packet number times (default: 1 )\n");
  printf("-o offset modify the byte with the given offset (default 0)\n");
  printf("-v        verbose mode                  (default: no)\n");
}


x86 assembly (clang, -O0):
<printUsage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
call   1030 <printf@plt>
lea    0xf2c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf57(%rip),%rdi
call   1030 <printf@plt>
lea    0xf68(%rip),%rdi
call   1030 <printf@plt>
lea    0xf93(%rip),%rdi
call   1030 <printf@plt>
lea    0xfc4(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<printUsage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf00(%rip),%rdi
call   1030 <puts@plt>
lea    0xefd(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf56(%rip),%rdi
call   1030 <puts@plt>
lea    0xf66(%rip),%rdi
call   1030 <puts@plt>
lea    0xf90(%rip),%rdi
call   1030 <puts@plt>
lea    0xfc0(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [37 x i8] c"Usage: emulator -p port [options]\0A\00"
@.str.1 = [10 x i8] c"options:\0A\00"
@.str.2 = [60 x i8] c"-d discard and send packet drop report (default no)\0A\00"
@.str.3 = [55 x i8] c"-e introduce CRC/checksum errors (default: no)\0A\00"
@.str.4 = [29 x i8] c"-h show this message\0A\00"
@.str.5 = [55 x i8] c"-n number send each packet number times (default: 1 )\0A\00"
@.str.6 = [61 x i8] c"-o offset modify the byte with the given offset (default 0)\0A\00"
@.str.7 = [55 x i8] c"-v verbose mode (default: no)\0A\00"
define void @printUsage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.7, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [36 x i8] c"Usage: emulator -p port [options]\00"
@str.8 = [9 x i8] c"options:\00"
@str.9 = [59 x i8] c"-d discard and send packet drop report (default no)\00"
@str.10 = [54 x i8] c"-e introduce CRC/checksum errors (default: no)\00"
@str.11 = [28 x i8] c"-h show this message\00"
@str.12 = [54 x i8] c"-n number send each packet number times (default: 1 )\00"
@str.13 = [60 x i8] c"-o offset modify the byte with the given offset (default 0)\00"
@str.14 = [54 x i8] c"-v verbose mode (default: no)\00"
define void @printUsage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.14, i64 0, i64 0))
ret void
}