#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 *);
void preamble(void) {
  printf("/*\n");
  printf(" *  THIS FILE WAS GENERATED AUTOMATICALLY\n");
  printf(" *\n");
  printf(" *  DON'T EDIT IT BY HAND!\n");
  printf(" *  (unless you know what you are doing)\n");
  printf(" */\n");
  printf("\n");
  printf("#define NIBBLE_BITS 4\n");
  printf("#define MAKE_BYTE(nh, nl) (((nh) << NIBBLE_BITS) | (nl))\n");
  printf("\n");
}


x86 assembly (clang, -O0):
<preamble>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xedd(%rip),%rdi
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
call   1030 <printf@plt>
lea    0xef4(%rip),%rdi
call   1030 <printf@plt>
lea    0xf04(%rip),%rdi
call   1030 <printf@plt>
lea    0xf22(%rip),%rdi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1a(%rip),%rdi
call   1030 <printf@plt>
lea    0xec6(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<preamble>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
lea    0xecf(%rip),%rdi
call   1040 <puts@plt>
lea    0xeed(%rip),%rdi
call   1040 <puts@plt>
lea    0xee4(%rip),%rdi
call   1040 <puts@plt>
lea    0xef3(%rip),%rdi
call   1040 <puts@plt>
lea    0xf10(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xefe(%rip),%rdi
call   1040 <puts@plt>
lea    0xf08(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
pop    %rax
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"/*\0A\00"
@.str.1 = [43 x i8] c" * THIS FILE WAS GENERATED AUTOMATICALLY\0A\00"
@.str.2 = [4 x i8] c" *\0A\00"
@.str.3 = [28 x i8] c" * DON'T EDIT IT BY HAND!\0A\00"
@.str.4 = [42 x i8] c" * (unless you know what you are doing)\0A\00"
@.str.5 = [5 x i8] c" */\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
@.str.7 = [23 x i8] c"#define NIBBLE_BITS 4\0A\00"
@.str.8 = [58 x i8] c"#define MAKE_BYTE(nh, nl) (((nh) << NIBBLE_BITS) | (nl))\0A\00"
define void @preamble() {
%1 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [3 x i8] c"/*\00"
@str.9 = [42 x i8] c" * THIS FILE WAS GENERATED AUTOMATICALLY\00"
@str.10 = [3 x i8] c" *\00"
@str.11 = [27 x i8] c" * DON'T EDIT IT BY HAND!\00"
@str.12 = [41 x i8] c" * (unless you know what you are doing)\00"
@str.13 = [4 x i8] c" */\00"
@str.14 = [22 x i8] c"#define NIBBLE_BITS 4\00"
@str.15 = [57 x i8] c"#define MAKE_BYTE(nh, nl) (((nh) << NIBBLE_BITS) | (nl))\00"
define void @preamble() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([42 x i8], [42 x i8]* @str.9, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @str.10, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.11, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.12, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @str.13, i64 0, i64 0))
%7 = tail call i32 @putchar(i32 10)
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.14, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.15, i64 0, i64 0))
%10 = tail call i32 @putchar(i32 10)
ret void
}