#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 print_menu() {
  printf("== program menu ==\n");
  printf("Item 1: Control LED\n");
  printf("Item 2: Read button state\n");
  printf("Item c: Enter a custom command\n");
  printf("Item e: Exit\n");
  printf("Selection:\n");
}


x86 assembly (clang, -O0):
<print_menu>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xf05(%rip),%rdi
call   1030 <printf@plt>
lea    0xf19(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1b(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_menu>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xeef(%rip),%rdi
call   1030 <puts@plt>
lea    0xef7(%rip),%rdi
call   1030 <puts@plt>
lea    0xf05(%rip),%rdi
call   1030 <puts@plt>
lea    0xf18(%rip),%rdi
call   1030 <puts@plt>
lea    0xf19(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [20 x i8] c"== program menu ==\0A\00"
@.str.1 = [21 x i8] c"Item 1: Control LED\0A\00"
@.str.2 = [27 x i8] c"Item 2: Read button state\0A\00"
@.str.3 = [32 x i8] c"Item c: Enter a custom command\0A\00"
@.str.4 = [14 x i8] c"Item e: Exit\0A\00"
@.str.5 = [12 x i8] c"Selection:\0A\00"
define void @print_menu() {
%1 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [19 x i8] c"== program menu ==\00"
@str.6 = [20 x i8] c"Item 1: Control LED\00"
@str.7 = [26 x i8] c"Item 2: Read button state\00"
@str.8 = [31 x i8] c"Item c: Enter a custom command\00"
@str.9 = [13 x i8] c"Item e: Exit\00"
@str.10 = [11 x i8] c"Selection:\00"
define void @print_menu() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.10, i64 0, i64 0))
ret void
}