#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 */
typedef int /*<<< orphan*/ s;
typedef int /*<<< orphan*/ i;
typedef int /*<<< orphan*/ f;
typedef int /*<<< orphan*/ d;
typedef int /*<<< orphan*/ c;

/* Variables and functions */
int /*<<< orphan*/ printf(char *, int);
int main(void) {
  char c;
  double d;
  float f;
  int i;
  char *s;
  printf("char: %lu bytes\n", sizeof(c));
  printf("double: %lu bytes\n", sizeof(d));
  printf("float: %lu bytes\n", sizeof(f));
  printf("int: %lu bytes\n", sizeof(i));
  printf("string: %lu bytes\n", sizeof(s));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
lea    0xee1(%rip),%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xee3(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xee4(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xee3(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
lea    0xee8(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [17 x i8] c"char: %lu bytes\0A\00"
@.str.1 = [19 x i8] c"double: %lu bytes\0A\00"
@.str.2 = [18 x i8] c"float: %lu bytes\0A\00"
@.str.3 = [16 x i8] c"int: %lu bytes\0A\00"
@.str.4 = [19 x i8] c"string: %lu bytes\0A\00"
define i32 @main() {
%1 = alloca i8
%2 = alloca double
%3 = alloca float
%4 = alloca i32
%5 = alloca i8*
%6 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0), i32 1)
%7 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0), i32 8)
%8 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 4)
%9 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.3, i64 0, i64 0), i32 4)
%10 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i32 8)
ret i32 0
}

LLVM IR (-O2):
@.str = [17 x i8] c"char: %lu bytes\0A\00"
@.str.1 = [19 x i8] c"double: %lu bytes\0A\00"
@.str.2 = [18 x i8] c"float: %lu bytes\0A\00"
@.str.3 = [16 x i8] c"int: %lu bytes\0A\00"
@.str.4 = [19 x i8] c"string: %lu bytes\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0), i32 1)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0), i32 8)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 4)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.3, i64 0, i64 0), i32 4)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i32 8)
ret i32 0
}