#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 const *argv[]) {
  int x;
  x = 6;
  int y;
  y = 10;
  int *p;
  p = &x;
  *p = 25;
  (*p)++;
  printf("P = %p\n", p);
  printf("X = %p\n", &x);
  p = &y;
  *p = *p + x;
  printf("X = %d\n", x);
  printf("Y = %d\n\n", y);
  printf("*P = %d\n", *p);
  printf("P = %p\n", p);
  printf("Y = %p\n", &y);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x6,-0x14(%rbp)
movl   $0xa,-0x18(%rbp)
lea    -0x14(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rax
movl   $0x19,(%rax)
mov    -0x20(%rbp),%rax
mov    (%rax),%ecx
add    $0x1,%ecx
mov    %ecx,(%rax)
mov    -0x20(%rbp),%rsi
lea    0xea4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe9e(%rip),%rdi
lea    -0x14(%rbp),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x18(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rax
mov    (%rax),%ecx
add    -0x14(%rbp),%ecx
mov    -0x20(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x14(%rbp),%esi
lea    0xe7a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%esi
lea    0xe71(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x20(%rbp),%rax
mov    (%rax),%esi
lea    0xe66(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x20(%rbp),%rsi
lea    0xe33(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe4f(%rip),%rdi
lea    -0x18(%rbp),%rsi
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
push   %rax
movl   $0x1a,(%rsp)
lea    0xede(%rip),%r14
mov    %rsp,%rbx
mov    %r14,%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xecf(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    (%rsp),%esi
lea    0xa(%rsi),%ebx
mov    %ebx,0x4(%rsp)
lea    0xebc(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb6(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeaf(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x4(%rsp),%rbx
mov    %r14,%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe96(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [8 x i8] c"P = %p\0A\00"
@.str.1 = [8 x i8] c"X = %p\0A\00"
@.str.2 = [8 x i8] c"X = %d\0A\00"
@.str.3 = [9 x i8] c"Y = %d\0A\0A\00"
@.str.4 = [9 x i8] c"*P = %d\0A\00"
@.str.5 = [8 x i8] c"Y = %p\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 6, i32* %6
store i32 10, i32* %7
store i32* %6, i32** %8
%9 = load i32*, i32** %8
store i32 25, i32* %9
%10 = load i32*, i32** %8
%11 = load i32, i32* %10
%12 = add nsw i32 %11, 1
store i32 %12, i32* %10
%13 = load i32*, i32** %8
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32* %13)
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i32* %6)
store i32* %7, i32** %8
%16 = load i32*, i32** %8
%17 = load i32, i32* %16
%18 = load i32, i32* %6
%19 = add nsw i32 %17, %18
%20 = load i32*, i32** %8
store i32 %19, i32* %20
%21 = load i32, i32* %6
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i32 %21)
%23 = load i32, i32* %7
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i32 %23)
%25 = load i32*, i32** %8
%26 = load i32, i32* %25
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0), i32 %26)
%28 = load i32*, i32** %8
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32* %28)
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0), i32* %7)
ret i32 0
}

LLVM IR (-O2):
@.str = [8 x i8] c"P = %p\0A\00"
@.str.1 = [8 x i8] c"X = %p\0A\00"
@.str.2 = [8 x i8] c"X = %d\0A\00"
@.str.3 = [9 x i8] c"Y = %d\0A\0A\00"
@.str.4 = [9 x i8] c"*P = %d\0A\00"
@.str.5 = [8 x i8] c"Y = %p\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca i32
%5 = bitcast i32* %3 to i8*
%6 = bitcast i32* %4 to i8*
store i32 26, i32* %3
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32* %3)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%9 = load i32, i32* %3
%10 = add nsw i32 %9, 10
store i32 %10, i32* %4
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i32 %9)
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i32 %10)
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0), i32 %10)
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32* %4)
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0), i32* %4)
ret i32 0
}