#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 printUsaging(char *argv) {
  printf("usaging: %s <mode> [dest mac] [loop] [pkt size]\n", argv);
  printf(
      "    <mode>:  t: only TX; r: only RX; t8: TX and RX; r8: RX and TX.\n");
  printf("[dest mac]:  dest board mac address, format: xx:xx:xx:xx:xx:xx. only "
         "valid in Tx mode.\n");
  printf("    [loop]:  Tx packet count, only valid in t and t8 mode.\n");
  printf("[pkt size]:  Tx packet size(byte), only valid in t and t8 mode.\n");
}


x86 assembly (clang, -O0):
<printUsaging>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf32(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf7c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xfaa(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printUsaging>:
push   %rax
mov    %rdi,%rsi
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xef8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf7a(%rip),%rdi
call   1030 <puts@plt>
lea    0xfa9(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [49 x i8] c"usaging: %s <mode> [dest mac] [loop] [pkt size]\0A\00"
@.str.1 = [68 x i8] c" <mode>: t: only TX; r: only RX; t8: TX and RX; r8: RX and TX.\0A\00"
@.str.2 = [88 x i8] c"[dest mac]: dest board mac address, format: xx:xx:xx:xx:xx:xx. only valid in Tx mode.\0A\00"
@.str.3 = [60 x i8] c" [loop]: Tx packet count, only valid in t and t8 mode.\0A\00"
@.str.4 = [65 x i8] c"[pkt size]: Tx packet size(byte), only valid in t and t8 mode.\0A\00"
define void @printUsaging(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([88 x i8], [88 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [49 x i8] c"usaging: %s <mode> [dest mac] [loop] [pkt size]\0A\00"
@str = [67 x i8] c" <mode>: t: only TX; r: only RX; t8: TX and RX; r8: RX and TX.\00"
@str.5 = [87 x i8] c"[dest mac]: dest board mac address, format: xx:xx:xx:xx:xx:xx. only valid in Tx mode.\00"
@str.6 = [59 x i8] c" [loop]: Tx packet count, only valid in t and t8 mode.\00"
@str.7 = [64 x i8] c"[pkt size]: Tx packet size(byte), only valid in t and t8 mode.\00"
define void @printUsaging(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([49 x i8], [49 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([67 x i8], [67 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([87 x i8], [87 x i8]* @str.5, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.6, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([64 x i8], [64 x i8]* @str.7, i64 0, i64 0))
ret void
}