#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 getegid();
int geteuid();
int getgid();
int getpid();
int getppid();
int getuid();
int /*<<< orphan*/ printf(char *, int);
int /*<<< orphan*/ sleep(int);
int main(void) {
  printf("pid   = %u\n", getpid());
  printf("ppid  = %u\n", getppid());
  printf("uid   = %u\n", getuid());
  printf("euid  = %u\n", geteuid());
  printf("gid   = %u\n", getgid());
  printf("egid  = %u\n", getegid());
  sleep(10);
  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    %eax,%esi
lea    0xe61(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1090 <getppid@plt>
mov    %eax,%esi
lea    0xe58(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1040 <getuid@plt>
mov    %eax,%esi
lea    0xe4f(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1060 <geteuid@plt>
mov    %eax,%esi
lea    0xe46(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1070 <getgid@plt>
mov    %eax,%esi
lea    0xe3d(%rip),%rdi
call   1050 <printf@plt>
mov    $0x0,%al
call   1080 <getegid@plt>
mov    %eax,%esi
lea    0xe34(%rip),%rdi
call   1050 <printf@plt>
mov    $0xa,%edi
call   10a0 <sleep@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    0xe71(%rip),%rdi
mov    %eax,%esi
call   1050 <printf@plt>
xor    %eax,%eax
call   1090 <getppid@plt>
lea    0xe68(%rip),%rdi
mov    %eax,%esi
call   1050 <printf@plt>
xor    %eax,%eax
call   1040 <getuid@plt>
lea    0xe5f(%rip),%rdi
mov    %eax,%esi
call   1050 <printf@plt>
xor    %eax,%eax
call   1060 <geteuid@plt>
lea    0xe56(%rip),%rdi
mov    %eax,%esi
call   1050 <printf@plt>
xor    %eax,%eax
call   1070 <getgid@plt>
lea    0xe4d(%rip),%rdi
mov    %eax,%esi
call   1050 <printf@plt>
xor    %eax,%eax
call   1080 <getegid@plt>
lea    0xe44(%rip),%rdi
mov    %eax,%esi
call   1050 <printf@plt>
mov    $0xa,%edi
call   10a0 <sleep@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [12 x i8] c"pid = %u\0A\00"
@.str.1 = [12 x i8] c"ppid = %u\0A\00"
@.str.2 = [12 x i8] c"uid = %u\0A\00"
@.str.3 = [12 x i8] c"euid = %u\0A\00"
@.str.4 = [12 x i8] c"gid = %u\0A\00"
@.str.5 = [12 x i8] c"egid = %u\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 (...) @getpid()
%3 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = call i32 (...) @getppid()
%5 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), i32 %4)
%6 = call i32 (...) @getuid()
%7 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 %6)
%8 = call i32 (...) @geteuid()
%9 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0), i32 %8)
%10 = call i32 (...) @getgid()
%11 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), i32 %10)
%12 = call i32 (...) @getegid()
%13 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0), i32 %12)
%14 = call i32 @sleep(i32 10)
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"pid = %u\0A\00"
@.str.1 = [12 x i8] c"ppid = %u\0A\00"
@.str.2 = [12 x i8] c"uid = %u\0A\00"
@.str.3 = [12 x i8] c"euid = %u\0A\00"
@.str.4 = [12 x i8] c"gid = %u\0A\00"
@.str.5 = [12 x i8] c"egid = %u\0A\00"
define i32 @main() {
%1 = tail call i32 (...) @getpid()
%2 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 (...) @getppid()
%4 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%5 = tail call i32 (...) @getuid()
%6 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = tail call i32 (...) @geteuid()
%8 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0), i32 %7)
%9 = tail call i32 (...) @getgid()
%10 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), i32 %9)
%11 = tail call i32 (...) @getegid()
%12 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0), i32 %11)
%13 = tail call i32 @sleep(i32 10)
ret i32 0
}