#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 a = 3;
  int *p = &a;
  printf("a=%d\n", a);
  printf("*p=%d\n", *p);
  printf("&a=%p\n", &a);
  printf("p=%p\n", p);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x3,-0x8(%rbp)
lea    -0x8(%rbp),%rax
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%esi
lea    0xec8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
lea    -0x8(%rbp),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rsi
lea    0xea4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x3,0xc(%rsp)
lea    0xedc(%rip),%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xecf(%rip),%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec3(%rip),%rdi
lea    0xc(%rsp),%rbx
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb4(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [6 x i8] c"a=%d\0A\00"
@.str.1 = [7 x i8] c"*p=%d\0A\00"
@.str.2 = [7 x i8] c"&a=%p\0A\00"
@.str.3 = [6 x i8] c"p=%p\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32*
store i32 0, i32* %1
store i32 3, i32* %2
store i32* %2, i32** %3
%4 = load i32, i32* %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = load i32*, i32** %3
%7 = load i32, i32* %6
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i32 %7)
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%10 = load i32*, i32** %3
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i32* %10)
ret i32 0
}

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