#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*/ print_datamodel();
int /*<<< orphan*/ printf(char *, ...);
int main() {
  printf("Size of basic integer types:\n");
  printf("Size of char: %ld bytes.\n", sizeof(char));
  printf("Size of short: %ld bytes.\n", sizeof(short));
  printf("Size of int: %ld bytes.\n", sizeof(int));
  printf("Size of long: %ld bytes.\n", sizeof(long));
  printf("Size of void*: %ld bytes.\n", sizeof(void *));
  printf("Datamodel is: ");
  print_datamodel();
  printf("\n");
  printf("\n");
  printf("Size of floating-point types:\n");
  printf("Size of float: %ld bytes.\n", sizeof(float));
  printf("Size of double: %ld bytes.\n", sizeof(double));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeda(%rip),%rdi
mov    $0x1,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
mov    $0x2,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee9(%rip),%rdi
mov    $0x4,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeef(%rip),%rdi
mov    $0x8,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
mov    $0x8,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <print_datamodel@plt>
lea    0xee7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
mov    $0x4,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
mov    $0x8,%esi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xf81(%rip),%rdi
call   1040 <puts@plt>
lea    0xeac(%rip),%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeb3(%rip),%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xebb(%rip),%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xec1(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xec8(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xed0(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
xor    %eax,%eax
call   1060 <print_datamodel@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf0a(%rip),%rdi
call   1040 <puts@plt>
lea    0xeaa(%rip),%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeb2(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1050 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [30 x i8] c"Size of basic integer types:\0A\00"
@.str.1 = [26 x i8] c"Size of char: %ld bytes.\0A\00"
@.str.2 = [27 x i8] c"Size of short: %ld bytes.\0A\00"
@.str.3 = [25 x i8] c"Size of int: %ld bytes.\0A\00"
@.str.4 = [26 x i8] c"Size of long: %ld bytes.\0A\00"
@.str.5 = [27 x i8] c"Size of void*: %ld bytes.\0A\00"
@.str.6 = [15 x i8] c"Datamodel is: \00"
@.str.7 = [2 x i8] c"\0A\00"
@.str.8 = [31 x i8] c"Size of floating-point types:\0A\00"
@.str.9 = [27 x i8] c"Size of float: %ld bytes.\0A\00"
@.str.10 = [28 x i8] c"Size of double: %ld bytes.\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str, i64 0, i64 0))
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0), i64 1)
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), i64 2)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0), i64 4)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0), i64 8)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.5, i64 0, i64 0), i64 8)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 (...) @print_datamodel()
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.8, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.9, i64 0, i64 0), i64 4)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.10, i64 0, i64 0), i64 8)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [26 x i8] c"Size of char: %ld bytes.\0A\00"
@.str.2 = [27 x i8] c"Size of short: %ld bytes.\0A\00"
@.str.3 = [25 x i8] c"Size of int: %ld bytes.\0A\00"
@.str.4 = [26 x i8] c"Size of long: %ld bytes.\0A\00"
@.str.5 = [27 x i8] c"Size of void*: %ld bytes.\0A\00"
@.str.6 = [15 x i8] c"Datamodel is: \00"
@.str.9 = [27 x i8] c"Size of float: %ld bytes.\0A\00"
@.str.10 = [28 x i8] c"Size of double: %ld bytes.\0A\00"
@str = [29 x i8] c"Size of basic integer types:\00"
@str.11 = [30 x i8] c"Size of floating-point types:\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0), i64 1)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), i64 2)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0), i64 4)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0), i64 8)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.5, i64 0, i64 0), i64 8)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.6, i64 0, i64 0))
%8 = tail call i32 (...) @print_datamodel()
%9 = tail call i32 @putchar(i32 10)
%10 = tail call i32 @putchar(i32 10)
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.11, i64 0, i64 0))
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.9, i64 0, i64 0), i64 4)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str.10, i64 0, i64 0), i64 8)
ret i32 0
}