#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*/ getch();
int /*<<< orphan*/ printf(char *, ...);
main() {
  int num1, num2, *p, *q;
  num1 = 13;
  num2 = 10;
  p = &num1;
  q = p;
  *q = 56;
  printf("v1:%d\n", num1);
  printf("v2:%d\n", num2);
  printf("p:%p\n", p);
  printf("q:%p\n", q);
  printf("p:%d\n", *p);
  printf("q:%d\n", *q);
  getch();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0xd,-0x4(%rbp)
movl   $0xa,-0x8(%rbp)
lea    -0x4(%rbp),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rax
movl   $0x38,(%rax)
mov    -0x4(%rbp),%esi
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
lea    0xe9c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rsi
lea    0xe91(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rsi
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
mov    (%rax),%esi
lea    0xe69(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <getch@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x38,0xc(%rsp)
lea    0xecc(%rip),%rdi
mov    $0x38,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb4(%rip),%rdi
lea    0xc(%rsp),%rbx
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xea4(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    0xe95(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    0xe89(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <getch@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [7 x i8] c"v1:%d\0A\00"
@.str.1 = [7 x i8] c"v2:%d\0A\00"
@.str.2 = [6 x i8] c"p:%p\0A\00"
@.str.3 = [6 x i8] c"q:%p\0A\00"
@.str.4 = [6 x i8] c"p:%d\0A\00"
@.str.5 = [6 x i8] c"q:%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32*
%4 = alloca i32*
store i32 13, i32* %1
store i32 10, i32* %2
store i32* %1, i32** %3
%5 = load i32*, i32** %3
store i32* %5, i32** %4
%6 = load i32*, i32** %4
store i32 56, i32* %6
%7 = load i32, i32* %1
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = load i32, i32* %2
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i32 %9)
%11 = load i32*, i32** %3
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32* %11)
%13 = load i32*, i32** %4
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i32* %13)
%15 = load i32*, i32** %3
%16 = load i32, i32* %15
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i32 %16)
%18 = load i32*, i32** %4
%19 = load i32, i32* %18
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0), i32 %19)
%21 = call i32 (...) @getch()
ret i32 0
}

LLVM IR (-O2):
@.str = [7 x i8] c"v1:%d\0A\00"
@.str.1 = [7 x i8] c"v2:%d\0A\00"
@.str.2 = [6 x i8] c"p:%p\0A\00"
@.str.3 = [6 x i8] c"q:%p\0A\00"
@.str.4 = [6 x i8] c"p:%d\0A\00"
@.str.5 = [6 x i8] c"q:%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 56, i32* %1
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32 56)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i32 10)
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i32* %1)
%7 = load i32, i32* %1
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i32 %7)
%9 = load i32, i32* %1
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0), i32 %9)
%11 = call i32 (...) @getch()
ret i32 0
}