#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);
int main(void) {
  short int x;
  long int y;
  long double longDouble;
  printf("size of char: %d byte\n", sizeof(char));
  printf("size of short int: %d byte\n", sizeof x);
  printf("size of int: %d byte\n", sizeof(int));
  printf("size of long int: %d byte\n", sizeof y);
  printf("size of float: %d byte\n", sizeof(float));
  printf("size of long double: %d byte\n", sizeof longDouble);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xef0(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xefa(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
mov    $0x10,%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    0xeee(%rip),%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xf08(%rip),%rdi
mov    $0x4,%esi
call   1030 <printf@plt>
lea    0xf0f(%rip),%rdi
mov    $0x10,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [23 x i8] c"size of char: %d byte\0A\00"
@.str.1 = [28 x i8] c"size of short int: %d byte\0A\00"
@.str.2 = [22 x i8] c"size of int: %d byte\0A\00"
@.str.3 = [27 x i8] c"size of long int: %d byte\0A\00"
@.str.4 = [24 x i8] c"size of float: %d byte\0A\00"
@.str.5 = [30 x i8] c"size of long double: %d byte\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i16
%3 = alloca i64
%4 = alloca x86_fp80
store i32 0, i32* %1
%5 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i32 1)
%6 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0), i32 2)
%7 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 4)
%8 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0), i32 8)
%9 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0), i32 4)
%10 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.5, i64 0, i64 0), i32 16)
ret i32 0
}

LLVM IR (-O2):
@.str = [23 x i8] c"size of char: %d byte\0A\00"
@.str.1 = [28 x i8] c"size of short int: %d byte\0A\00"
@.str.2 = [22 x i8] c"size of int: %d byte\0A\00"
@.str.3 = [27 x i8] c"size of long int: %d byte\0A\00"
@.str.4 = [24 x i8] c"size of float: %d byte\0A\00"
@.str.5 = [30 x i8] c"size of long double: %d byte\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i32 1)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0), i32 2)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 4)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0), i32 8)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0), i32 4)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.5, i64 0, i64 0), i32 16)
ret i32 0
}