#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 */
scalar_t__ getegid();
scalar_t__ geteuid();
scalar_t__ getgid();
scalar_t__ getpid();
scalar_t__ getppid();
scalar_t__ getuid();
int /*<<< orphan*/ printf(char *, long);
int main(void) {
  printf("I am process %ld\n", (long)getpid());
  printf("My parent is %ld\n", (long)getppid());
  printf("My real user ID is       %5ld\n", (long)getuid());
  printf("My effective user ID is  %5ld\n", (long)geteuid());
  printf("My real group ID is      %5ld\n", (long)getgid());
  printf("My effective group ID is %5ld\n", (long)getegid());
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x0,%al
call   1030 <getpid@plt>
mov    %rax,%rsi
lea    0xe70(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1090 <getppid@plt>
mov    %rax,%rsi
lea    0xe6c(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1040 <getuid@plt>
mov    %rax,%rsi
lea    0xe68(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1060 <geteuid@plt>
mov    %rax,%rsi
lea    0xe71(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1070 <getgid@plt>
mov    %rax,%rsi
lea    0xe7a(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1080 <getegid@plt>
mov    %rax,%rsi
lea    0xe83(%rip),%rdi
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
xor    %eax,%eax
call   1030 <getpid@plt>
lea    0xe81(%rip),%rdi
mov    %rax,%rsi
call   1050 <printf@plt>
xor    %eax,%eax
call   1090 <getppid@plt>
lea    0xe7d(%rip),%rdi
mov    %rax,%rsi
call   1050 <printf@plt>
xor    %eax,%eax
call   1040 <getuid@plt>
lea    0xe79(%rip),%rdi
mov    %rax,%rsi
call   1050 <printf@plt>
xor    %eax,%eax
call   1060 <geteuid@plt>
lea    0xe82(%rip),%rdi
mov    %rax,%rsi
call   1050 <printf@plt>
xor    %eax,%eax
call   1070 <getgid@plt>
lea    0xe8b(%rip),%rdi
mov    %rax,%rsi
call   1050 <printf@plt>
xor    %eax,%eax
call   1080 <getegid@plt>
lea    0xe94(%rip),%rdi
mov    %rax,%rsi
call   1050 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [18 x i8] c"I am process %ld\0A\00"
@.str.1 = [18 x i8] c"My parent is %ld\0A\00"
@.str.2 = [31 x i8] c"My real user ID is %5ld\0A\00"
@.str.3 = [31 x i8] c"My effective user ID is %5ld\0A\00"
@.str.4 = [31 x i8] c"My real group ID is %5ld\0A\00"
@.str.5 = [31 x i8] c"My effective group ID is %5ld\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i64 (...) @getpid()
%3 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i64 %2)
%4 = call i64 (...) @getppid()
%5 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i64 %4)
%6 = call i64 (...) @getuid()
%7 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0), i64 %6)
%8 = call i64 (...) @geteuid()
%9 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.3, i64 0, i64 0), i64 %8)
%10 = call i64 (...) @getgid()
%11 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.4, i64 0, i64 0), i64 %10)
%12 = call i64 (...) @getegid()
%13 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.5, i64 0, i64 0), i64 %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"I am process %ld\0A\00"
@.str.1 = [18 x i8] c"My parent is %ld\0A\00"
@.str.2 = [31 x i8] c"My real user ID is %5ld\0A\00"
@.str.3 = [31 x i8] c"My effective user ID is %5ld\0A\00"
@.str.4 = [31 x i8] c"My real group ID is %5ld\0A\00"
@.str.5 = [31 x i8] c"My effective group ID is %5ld\0A\00"
define i32 @main() {
%1 = tail call i64 (...) @getpid()
%2 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i64 %1)
%3 = tail call i64 (...) @getppid()
%4 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i64 %3)
%5 = tail call i64 (...) @getuid()
%6 = tail call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0), i64 %5)
%7 = tail call i64 (...) @geteuid()
%8 = tail call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.3, i64 0, i64 0), i64 %7)
%9 = tail call i64 (...) @getgid()
%10 = tail call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.4, i64 0, i64 0), i64 %9)
%11 = tail call i64 (...) @getegid()
%12 = tail call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.5, i64 0, i64 0), i64 %11)
ret i32 0
}