#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*/ getchar();
int /*<<< orphan*/ printf(char *, ...);
int main(void) {
  int teeny, *t;
  teeny = 1;
  t = &teeny;
  printf("Variable teeny = %d\n", teeny);
  printf("Variable t = %p\n", t);
  printf("Variable *t = %d\n", *t);
  *t = 64;
  printf("Variable teeny = %d\n", teeny);
  printf("Variable t = %p\n", t);
  printf("Variable *t = %d\n", *t);
  getchar();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
lea    -0x8(%rbp),%rax
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%esi
lea    0xeb8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rsi
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
lea    0xeb8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
movl   $0x40,(%rax)
mov    -0x8(%rbp),%esi
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rsi
lea    0xe7a(%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    $0x0,%al
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
movl   $0x1,0x4(%rsp)
lea    0xec9(%rip),%r14
mov    %r14,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec8(%rip),%r12
lea    0x4(%rsp),%r15
mov    %r12,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
lea    0xebc(%rip),%rbx
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
movl   $0x40,0x4(%rsp)
mov    %r14,%rdi
mov    $0x40,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r12,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [21 x i8] c"Variable teeny = %d\0A\00"
@.str.1 = [17 x i8] c"Variable t = %p\0A\00"
@.str.2 = [18 x i8] c"Variable *t = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32*
store i32 0, i32* %1
store i32 1, i32* %2
store i32* %2, i32** %3
%4 = load i32, i32* %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = load i32*, i32** %3
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32* %6)
%8 = load i32*, i32** %3
%9 = load i32, i32* %8
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 %9)
%11 = load i32*, i32** %3
store i32 64, i32* %11
%12 = load i32, i32* %2
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i32 %12)
%14 = load i32*, i32** %3
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32* %14)
%16 = load i32*, i32** %3
%17 = load i32, i32* %16
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 %17)
%19 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [21 x i8] c"Variable teeny = %d\0A\00"
@.str.1 = [17 x i8] c"Variable t = %p\0A\00"
@.str.2 = [18 x i8] c"Variable *t = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 1, i32* %1
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i32 1)
%4 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 %5)
store i32 64, i32* %1
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i32 64)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%9 = load i32, i32* %1
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 %9)
%11 = call i32 (...) @getchar()
ret i32 0
}