#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(void) {
  int j = 13, k = 47, *p = &k;
  printf("%p \n", &p);
  printf("%p \n", p);
  printf("%p \n", &k);
  printf("%d \n", *p);
  printf("%d \n", k);
  *p = 87;
  printf("%d \n", *p);
  printf("%d \n", k);
  printf("%d \n", **&p);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xd,-0x8(%rbp)
movl   $0x2f,-0xc(%rbp)
lea    -0xc(%rbp),%rax
mov    %rax,-0x18(%rbp)
lea    0xec4(%rip),%rdi
lea    -0x18(%rbp),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rsi
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea0(%rip),%rdi
lea    -0xc(%rbp),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
mov    (%rax),%esi
lea    0xe8d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%esi
lea    0xe7c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
movl   $0x57,(%rax)
mov    -0x18(%rbp),%rax
mov    (%rax),%esi
lea    0xe5e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%esi
lea    0xe4d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
mov    (%rax),%esi
lea    0xe39(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x18,%rsp
movl   $0x2f,0xc(%rsp)
lea    0xc(%rsp),%r14
mov    %r14,0x10(%rsp)
lea    0xed0(%rip),%rbx
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x10(%rsp),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x10(%rsp),%rax
mov    (%rax),%esi
lea    0xe9c(%rip),%rbx
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x10(%rsp),%rax
movl   $0x57,(%rax)
mov    %rbx,%rdi
mov    $0x57,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x10(%rsp),%rax
mov    (%rax),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [5 x i8] c"%p \0A\00"
@.str.1 = [5 x i8] c"%d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32*
store i32 0, i32* %1
store i32 13, i32* %2
store i32 47, i32* %3
store i32* %3, i32** %4
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32** %4)
%6 = load i32*, i32** %4
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32* %6)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32* %3)
%9 = load i32*, i32** %4
%10 = load i32, i32* %9
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %10)
%12 = load i32, i32* %3
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = load i32*, i32** %4
store i32 87, i32* %14
%15 = load i32*, i32** %4
%16 = load i32, i32* %15
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %16)
%18 = load i32, i32* %3
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %18)
%20 = load i32*, i32** %4
%21 = load i32, i32* %20
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %21)
ret i32 0
}

LLVM IR (-O2):
@.str = [5 x i8] c"%p \0A\00"
@.str.1 = [5 x i8] c"%d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32*
%3 = bitcast i32* %1 to i8*
store i32 47, i32* %1
%4 = bitcast i32** %2 to i8*
store i32* %1, i32** %2
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32** %2)
%6 = load i32*, i32** %2
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32* %6)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32* %1)
%9 = load i32*, i32** %2
%10 = load i32, i32* %9
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %10)
%12 = load i32, i32* %1
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = load i32*, i32** %2
store i32 87, i32* %14
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 87)
%16 = load i32, i32* %1
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %16)
%18 = load i32*, i32** %2
%19 = load i32, i32* %18
%20 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %19)
ret i32 0
}