#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*/ printf(char *, ...);
int main(int argc, char **argv) {
  int a = 5;
  int *dir_a = &a;
  int **dir_dir_a = &dir_a;
  printf("%d\n", a);
  printf("%p, %d\n", dir_a, *dir_a);
  printf("%p, %p, %i\n", dir_dir_a, *dir_dir_a, **dir_dir_a);
  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   $0x5,-0x14(%rbp)
lea    -0x14(%rbp),%rax
mov    %rax,-0x20(%rbp)
lea    -0x20(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x14(%rbp),%esi
lea    0xebd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x20(%rbp),%rsi
mov    -0x20(%rbp),%rax
mov    (%rax),%edx
lea    0xea1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rsi
mov    -0x28(%rbp),%rax
mov    (%rax),%rdx
mov    -0x28(%rbp),%rax
mov    (%rax),%rax
mov    (%rax),%ecx
lea    0xe87(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x5,0x4(%rsp)
lea    0x4(%rsp),%rbx
mov    %rbx,0x8(%rsp)
lea    0xed6(%rip),%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%edx
lea    0xebb(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%ecx
lea    0xeae(%rip),%rdi
lea    0x8(%rsp),%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
@.str.1 = [8 x i8] c"%p, %d\0A\00"
@.str.2 = [12 x i8] c"%p, %p, %i\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**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 5, i32* %6
store i32* %6, i32** %7
store i32** %7, i32*** %8
%9 = load i32, i32* %6
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = load i32*, i32** %7
%12 = load i32*, i32** %7
%13 = load i32, i32* %12
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i32* %11, i32 %13)
%15 = load i32**, i32*** %8
%16 = load i32**, i32*** %8
%17 = load i32*, i32** %16
%18 = load i32**, i32*** %8
%19 = load i32*, i32** %18
%20 = load i32, i32* %19
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32** %15, i32* %17, i32 %20)
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
@.str.1 = [8 x i8] c"%p, %d\0A\00"
@.str.2 = [12 x i8] c"%p, %p, %i\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca i32*
%5 = bitcast i32* %3 to i8*
store i32 5, i32* %3
%6 = bitcast i32** %4 to i8*
store i32* %3, i32** %4
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 5)
%8 = load i32, i32* %3
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i32* %3, i32 %8)
%10 = load i32, i32* %3
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32** %4, i32* %3, i32 %10)
ret i32 0
}