#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);
char *getip(char *);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  char *ip_addr;
  int i;
  if (argc == 1) {
    printf("Usage: getip hostname");
    exit(1);
  }
  ip_addr = getip(argv[1]);
  if (ip_addr != 0) {
    printf("%s\n", ip_addr);
  }
  exit(0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x1,-0x8(%rbp)
jne    1168 <main+0x38>
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1040 <getip@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
je     1196 <main+0x66>
mov    -0x18(%rbp),%rsi
lea    0xe87(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x1,%edi
jne    115e <main+0x1e>
lea    0xeb3(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    0x8(%rsi),%rdi
call   1050 <getip@plt>
test   %rax,%rax
je     1174 <main+0x34>
mov    %rax,%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"Usage: getip hostname\00"
@.str.1 = [4 x i8] c"%s\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp eq i32 %8, 1
br i1 %9, label %10, label %13
10: ; preds = %2
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%12 = call i32 @exit(i32 1)
unreachable
13: ; preds = %2
%14 = load i8**, i8*** %5
%15 = getelementptr inbounds i8*, i8** %14, i64 1
%16 = load i8*, i8** %15
%17 = call i8* @getip(i8* %16)
store i8* %17, i8** %6
%18 = load i8*, i8** %6
%19 = icmp ne i8* %18, null
br i1 %19, label %20, label %23
20: ; preds = %13
%21 = load i8*, i8** %6
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* %21)
br label %23
23: ; preds = %20, %13
%24 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [22 x i8] c"Usage: getip hostname\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 1
br i1 %3, label %4, label %7
4: ; preds = %2
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%6 = tail call i32 @exit(i32 1)
unreachable
7: ; preds = %2
%8 = getelementptr inbounds i8*, i8** %1, i64 1
%9 = load i8*, i8** %8
%10 = tail call i8* @getip(i8* %9)
%11 = icmp eq i8* %10, null
br i1 %11, label %14, label %12
12: ; preds = %7
%13 = tail call i32 @puts(i8* %10)
br label %14
14: ; preds = %12, %7
%15 = tail call i32 @exit(i32 0)
unreachable
}