#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*/ f;
typedef int /*<<< orphan*/ e;
typedef int /*<<< orphan*/ d;
typedef int /*<<< orphan*/ c;
typedef int /*<<< orphan*/ b;
typedef int /*<<< orphan*/ a;

/* Variables and functions */
int /*<<< orphan*/ printf(char *, int);
int main() {
  char a;
  short b;
  int c;
  float d;
  double e;
  long f;
  printf("char is %lu bytes\n", sizeof(a));
  printf("short is %lu bytes\n", sizeof(b));
  printf("int is %lu bytes\n", sizeof(c));
  printf("float is %lu bytes\n", sizeof(d));
  printf("double is %lu bytes\n", sizeof(e));
  printf("long is %lu bytes\n", sizeof(f));
}


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    0xee3(%rip),%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
lea    0xee6(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xeee(%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    0xeea(%rip),%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xeee(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"char is %lu bytes\0A\00"
@.str.1 = [20 x i8] c"short is %lu bytes\0A\00"
@.str.2 = [18 x i8] c"int is %lu bytes\0A\00"
@.str.3 = [20 x i8] c"float is %lu bytes\0A\00"
@.str.4 = [21 x i8] c"double is %lu bytes\0A\00"
@.str.5 = [19 x i8] c"long is %lu bytes\0A\00"
define i32 @main() {
%1 = alloca i8
%2 = alloca i16
%3 = alloca i32
%4 = alloca float
%5 = alloca double
%6 = alloca i64
%7 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i32 1)
%8 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0), i32 2)
%9 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 4)
%10 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0), i32 4)
%11 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.4, i64 0, i64 0), i32 8)
%12 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.5, i64 0, i64 0), i32 8)
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"char is %lu bytes\0A\00"
@.str.1 = [20 x i8] c"short is %lu bytes\0A\00"
@.str.2 = [18 x i8] c"int is %lu bytes\0A\00"
@.str.3 = [20 x i8] c"float is %lu bytes\0A\00"
@.str.4 = [21 x i8] c"double is %lu bytes\0A\00"
@.str.5 = [19 x i8] c"long is %lu bytes\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i32 1)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0), i32 2)
%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 ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0), i32 4)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.4, i64 0, i64 0), i32 8)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.5, i64 0, i64 0), i32 8)
ret i32 0
}