#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*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
void usage(void) {
  fprintf(
      stderr,
      "Usage: ip tunnel { add | change | del | show | prl | 6rd } [ NAME ]\n");
  fprintf(stderr, "          [ mode { ipip | gre | sit | isatap | vti } ] [ "
                  "remote ADDR ] [ local ADDR ]\n");
  fprintf(stderr, "          [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n");
  fprintf(stderr, "          [ prl-default ADDR ] [ prl-nodefault ADDR ] [ "
                  "prl-delete ADDR ]\n");
  fprintf(stderr, "          [ 6rd-prefix ADDR ] [ 6rd-relay_prefix ADDR ] [ "
                  "6rd-reset ]\n");
  fprintf(
      stderr,
      "          [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\n");
  fprintf(stderr, "\n");
  fprintf(stderr, "Where: NAME := STRING\n");
  fprintf(stderr, "       ADDR := { IP_ADDRESS | any }\n");
  fprintf(stderr, "       TOS  := { STRING | 00..ff | inherit | inherit/STRING "
                  "| inherit/00..ff }\n");
  fprintf(stderr, "       TTL  := { 1..255 | inherit }\n");
  fprintf(stderr, "       KEY  := { DOTTED_QUAD | NUMBER }\n");
  exit(-1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2eb5(%rip),%rax
mov    (%rax),%edi
lea    0xecc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2ea0(%rip),%rax
mov    (%rax),%edi
lea    0xefc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e8b(%rip),%rax
mov    (%rax),%edi
lea    0xf3e(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e76(%rip),%rax
mov    (%rax),%edi
lea    0xf60(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e61(%rip),%rax
mov    (%rax),%edi
lea    0xf96(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e4c(%rip),%rax
mov    (%rax),%edi
lea    0xfc8(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e37(%rip),%rax
mov    (%rax),%edi
lea    0x100d(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e22(%rip),%rax
mov    (%rax),%edi
lea    0xfe3(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e0d(%rip),%rax
mov    (%rax),%edi
lea    0xfe5(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2df8(%rip),%rax
mov    (%rax),%edi
lea    0xff5(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2de3(%rip),%rax
mov    (%rax),%edi
lea    0x1030(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2dce(%rip),%rax
mov    (%rax),%edi
lea    0x1040(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0xffffffff,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2eb8(%rip),%rbx
mov    (%rbx),%edi
lea    0xecf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf06(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4f(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf78(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfb5(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfee(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x103a(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1017(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1020(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1037(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1079(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1090(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0xffffffff,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [69 x i8] c"Usage: ip tunnel { add | change | del | show | prl | 6rd } [ NAME ]\0A\00"
@.str.1 = [87 x i8] c" [ mode { ipip | gre | sit | isatap | vti } ] [ remote ADDR ] [ local ADDR ]\0A\00"
@.str.2 = [55 x i8] c" [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\0A\00"
@.str.3 = [75 x i8] c" [ prl-default ADDR ] [ prl-nodefault ADDR ] [ prl-delete ADDR ]\0A\00"
@.str.4 = [71 x i8] c" [ 6rd-prefix ADDR ] [ 6rd-relay_prefix ADDR ] [ 6rd-reset ]\0A\00"
@.str.5 = [69 x i8] c" [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
@.str.7 = [23 x i8] c"Where: NAME := STRING\0A\00"
@.str.8 = [37 x i8] c" ADDR := { IP_ADDRESS | any }\0A\00"
@.str.9 = [80 x i8] c" TOS := { STRING | 00..ff | inherit | inherit/STRING | inherit/00..ff }\0A\00"
@.str.10 = [37 x i8] c" TTL := { 1..255 | inherit }\0A\00"
@.str.11 = [41 x i8] c" KEY := { DOTTED_QUAD | NUMBER }\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([87 x i8], [87 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([75 x i8], [75 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 @fprintf(i32 %15, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = call i32 @fprintf(i32 %17, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.8, i64 0, i64 0))
%19 = load i32, i32* @stderr
%20 = call i32 @fprintf(i32 %19, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str.9, i64 0, i64 0))
%21 = load i32, i32* @stderr
%22 = call i32 @fprintf(i32 %21, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.10, i64 0, i64 0))
%23 = load i32, i32* @stderr
%24 = call i32 @fprintf(i32 %23, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.11, i64 0, i64 0))
%25 = call i32 @exit(i32 -1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [69 x i8] c"Usage: ip tunnel { add | change | del | show | prl | 6rd } [ NAME ]\0A\00"
@.str.1 = [87 x i8] c" [ mode { ipip | gre | sit | isatap | vti } ] [ remote ADDR ] [ local ADDR ]\0A\00"
@.str.2 = [55 x i8] c" [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\0A\00"
@.str.3 = [75 x i8] c" [ prl-default ADDR ] [ prl-nodefault ADDR ] [ prl-delete ADDR ]\0A\00"
@.str.4 = [71 x i8] c" [ 6rd-prefix ADDR ] [ 6rd-relay_prefix ADDR ] [ 6rd-reset ]\0A\00"
@.str.5 = [69 x i8] c" [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
@.str.7 = [23 x i8] c"Where: NAME := STRING\0A\00"
@.str.8 = [37 x i8] c" ADDR := { IP_ADDRESS | any }\0A\00"
@.str.9 = [80 x i8] c" TOS := { STRING | 00..ff | inherit | inherit/STRING | inherit/00..ff }\0A\00"
@.str.10 = [37 x i8] c" TTL := { 1..255 | inherit }\0A\00"
@.str.11 = [41 x i8] c" KEY := { DOTTED_QUAD | NUMBER }\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([87 x i8], [87 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([75 x i8], [75 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = tail call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = tail call i32 @fprintf(i32 %15, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = tail call i32 @fprintf(i32 %17, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.8, i64 0, i64 0))
%19 = load i32, i32* @stderr
%20 = tail call i32 @fprintf(i32 %19, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str.9, i64 0, i64 0))
%21 = load i32, i32* @stderr
%22 = tail call i32 @fprintf(i32 %21, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.10, i64 0, i64 0))
%23 = load i32, i32* @stderr
%24 = tail call i32 @fprintf(i32 %23, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.11, i64 0, i64 0))
%25 = tail call i32 @exit(i32 -1)
unreachable
}