#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*/ device_async_1(char *);
int /*<<< orphan*/ device_core_1(char *);
int /*<<< orphan*/ device_intr_1(char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *, char *);
int main(int argc, char *argv[]) {
  char *host;
  if (argc < 2) {
    printf("usage: %s server_host\n", argv[0]);
    exit(1);
  }
  host = argv[1];
  device_async_1(host);
  device_core_1(host);
  device_intr_1(host);
  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   $0x2,-0x8(%rbp)
jge    118d <main+0x3d>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe82(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
call   1040 <device_async_1@plt>
mov    -0x18(%rbp),%rdi
call   1070 <device_core_1@plt>
mov    -0x18(%rbp),%rdi
call   1050 <device_intr_1@plt>
xor    %edi,%edi
call   1060 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x1,%edi
jg     116f <main+0x1f>
mov    (%rsi),%rsi
lea    0xea0(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    0x8(%rsi),%rbx
mov    %rbx,%rdi
call   1040 <device_async_1@plt>
mov    %rbx,%rdi
call   1070 <device_core_1@plt>
mov    %rbx,%rdi
call   1050 <device_intr_1@plt>
xor    %edi,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [23 x i8] c"usage: %s server_host\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp slt i32 %7, 2
br i1 %8, label %9, label %15
9: ; preds = %2
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 0
%12 = load i8*, i8** %11
%13 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %12)
%14 = call i32 @exit(i32 1)
unreachable
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
store i8* %18, i8** %6
%19 = load i8*, i8** %6
%20 = call i32 @device_async_1(i8* %19)
%21 = load i8*, i8** %6
%22 = call i32 @device_core_1(i8* %21)
%23 = load i8*, i8** %6
%24 = call i32 @device_intr_1(i8* %23)
%25 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [23 x i8] c"usage: %s server_host\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %4, label %8
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = tail call i32 @exit(i32 1)
unreachable
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @device_async_1(i8* %10)
%12 = tail call i32 @device_core_1(i8* %10)
%13 = tail call i32 @device_intr_1(i8* %10)
%14 = tail call i32 @exit(i32 0)
unreachable
}