#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 IPC_CREAT;
int atoi(int /*<<< orphan*/);
int getopt(int, char **, char *);
int /*<<< orphan*/ optarg;
int /*<<< orphan*/ printf(char *, int, int);
int semget(int, int, int);
int main(int argc, char **argv) {
  int ch;
  int num = 1;
  int key = 0x8888;
  int id;
  while ((ch = getopt(argc, argv, "k:-n:")) != -1) {
    switch ((char)ch) {
    case 'k':
      key = atoi(optarg);
      break;
    case 'n':
      num = atoi(optarg);
      break;
    }
  }
  id = semget(key, num, IPC_CREAT | 0777);
  if (id == -1)
    return 1;
  printf("semget succeeded: key = %d, id = %d\n", key, id);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x1,-0x18(%rbp)
movl   $0x8888,-0x1c(%rbp)
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rsi
lea    0xe8e(%rip),%rdx
call   1050 <getopt@plt>
mov    %eax,-0x14(%rbp)
cmp    $0xffffffff,%eax
je     11d5 <main+0x95>
movsbl -0x14(%rbp),%eax
mov    %eax,-0x24(%rbp)
sub    $0x6b,%eax
je     11a9 <main+0x69>
jmp    1198 <main+0x58>
mov    -0x24(%rbp),%eax
sub    $0x6e,%eax
je     11bf <main+0x7f>
jmp    11d0 <main+0x90>
mov    0x2e48(%rip),%rax
mov    (%rax),%edi
call   1060 <atoi@plt>
mov    %eax,-0x1c(%rbp)
jmp    11d0 <main+0x90>
mov    0x2e32(%rip),%rax
mov    (%rax),%edi
call   1060 <atoi@plt>
mov    %eax,-0x18(%rbp)
jmp    1164 <main+0x24>
mov    -0x1c(%rbp),%edi
mov    -0x18(%rbp),%esi
mov    0x2df6(%rip),%rax
mov    (%rax),%edx
or     $0x1ff,%edx
call   1030 <semget@plt>
mov    %eax,-0x20(%rbp)
cmpl   $0xffffffff,-0x20(%rbp)
jne    1208 <main+0xc8>
movl   $0x1,-0x4(%rbp)
jmp    1221 <main+0xe1>
mov    -0x1c(%rbp),%esi
mov    -0x20(%rbp),%edx
lea    0xdf1(%rip),%rdi
call   1040 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %rsi,%rbx
mov    %edi,%ebp
lea    0xea9(%rip),%rdx
call   1050 <getopt@plt>
cmp    $0xffffffff,%eax
je     11b6 <main+0x76>
mov    $0x1,%r12d
mov    $0x8888,%r15d
mov    0x2e84(%rip),%r14
lea    0xe85(%rip),%r13
jmp    119d <main+0x5d>
nopl   (%rax)
mov    (%r14),%edi
call   1060 <atoi@plt>
mov    %eax,%r12d
mov    %ebp,%edi
mov    %rbx,%rsi
mov    %r13,%rdx
call   1050 <getopt@plt>
cmp    $0xffffffff,%eax
je     11c2 <main+0x82>
cmp    $0x6e,%al
je     1180 <main+0x40>
movsbl %al,%eax
cmp    $0x6b,%eax
jne    118b <main+0x4b>
mov    (%r14),%edi
call   1060 <atoi@plt>
mov    %eax,%r15d
jmp    118b <main+0x4b>
mov    $0x8888,%r15d
mov    $0x1,%r12d
mov    0x2e0f(%rip),%rax
mov    $0x1ff,%edx
or     (%rax),%edx
mov    %r15d,%edi
mov    %r12d,%esi
call   1030 <semget@plt>
cmp    $0xffffffff,%eax
mov    $0x1,%ecx
je     11f8 <main+0xb8>
lea    0xe1a(%rip),%rdi
mov    %r15d,%esi
mov    %eax,%edx
call   1040 <printf@plt>
xor    %ecx,%ecx
mov    %ecx,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [6 x i8] c"k:-n:\00"
@optarg = global i32 0
@IPC_CREAT = global i32 0
@.str.1 = [37 x i8] c"semget succeeded: key = %d, id = %d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 1, i32* %7
store i32 34952, i32* %8
br label %10
10: ; preds = %25, %2
%11 = load i32, i32* %4
%12 = load i8**, i8*** %5
%13 = call i32 @getopt(i32 %11, i8** %12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
store i32 %13, i32* %6
%14 = icmp ne i32 %13, -1
br i1 %14, label %15, label %26
15: ; preds = %10
%16 = load i32, i32* %6
%17 = trunc i32 %16 to i8
%18 = sext i8 %17 to i32
switch i32 %18, label %25 [
i32 107, label %19
i32 110, label %22
]
19: ; preds = %15
%20 = load i32, i32* @optarg
%21 = call i32 @atoi(i32 %20)
store i32 %21, i32* %8
br label %25
22: ; preds = %15
%23 = load i32, i32* @optarg
%24 = call i32 @atoi(i32 %23)
store i32 %24, i32* %7
br label %25
25: ; preds = %15, %22, %19
br label %10
26: ; preds = %10
%27 = load i32, i32* %8
%28 = load i32, i32* %7
%29 = load i32, i32* @IPC_CREAT
%30 = or i32 %29, 511
%31 = call i32 @semget(i32 %27, i32 %28, i32 %30)
store i32 %31, i32* %9
%32 = load i32, i32* %9
%33 = icmp eq i32 %32, -1
br i1 %33, label %34, label %35
34: ; preds = %26
store i32 1, i32* %3
br label %39
35: ; preds = %26
%36 = load i32, i32* %8
%37 = load i32, i32* %9
%38 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0), i32 %36, i32 %37)
store i32 0, i32* %3
br label %39
39: ; preds = %35, %34
%40 = load i32, i32* %3
ret i32 %40
}

LLVM IR (-O2):
@.str = [6 x i8] c"k:-n:\00"
@optarg = global i32 0
@IPC_CREAT = global i32 0
@.str.1 = [37 x i8] c"semget succeeded: key = %d, id = %d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = tail call i32 @getopt(i32 %0, i8** %1, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%4 = icmp eq i32 %3, -1
br i1 %4, label %22, label %5
5: ; preds = %2, %17
%6 = phi i32 [ %20, %17 ], [ %3, %2 ]
%7 = phi i32 [ %19, %17 ], [ 34952, %2 ]
%8 = phi i32 [ %18, %17 ], [ 1, %2 ]
%9 = shl i32 %6, 24
%10 = ashr exact i32 %9, 24
switch i32 %10, label %17 [
i32 107, label %11
i32 110, label %14
]
11: ; preds = %5
%12 = load i32, i32* @optarg
%13 = tail call i32 @atoi(i32 %12)
br label %17
14: ; preds = %5
%15 = load i32, i32* @optarg
%16 = tail call i32 @atoi(i32 %15)
br label %17
17: ; preds = %5, %14, %11
%18 = phi i32 [ %8, %5 ], [ %16, %14 ], [ %8, %11 ]
%19 = phi i32 [ %7, %5 ], [ %7, %14 ], [ %13, %11 ]
%20 = tail call i32 @getopt(i32 %0, i8** %1, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%21 = icmp eq i32 %20, -1
br i1 %21, label %22, label %5
22: ; preds = %17, %2
%23 = phi i32 [ 1, %2 ], [ %18, %17 ]
%24 = phi i32 [ 34952, %2 ], [ %19, %17 ]
%25 = load i32, i32* @IPC_CREAT
%26 = or i32 %25, 511
%27 = tail call i32 @semget(i32 %24, i32 %23, i32 %26)
%28 = icmp eq i32 %27, -1
br i1 %28, label %31, label %29
29: ; preds = %22
%30 = tail call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0), i32 %24, i32 %27)
br label %31
31: ; preds = %22, %29
%32 = phi i32 [ 0, %29 ], [ 1, %22 ]
ret i32 %32
}