#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 help0() {
  printf("quit\texit main loop\n");
  printf("time\tprint time\n");
  printf("rtc\tprint RTC time\n");
  printf("die\tdeliberate crash\n");
  printf("float\ttest floating point\n");
  printf("malloc\ttest memory allocation\n");
  printf("readmbr\ttest reading SD image\n");
}


x86 assembly (clang, -O0):
<help0>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xeee(%rip),%rdi
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xefb(%rip),%rdi
call   1030 <printf@plt>
lea    0xf05(%rip),%rdi
call   1030 <printf@plt>
lea    0xf14(%rip),%rdi
call   1030 <printf@plt>
lea    0xf27(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<help0>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef0(%rip),%rdi
call   1030 <puts@plt>
lea    0xef4(%rip),%rdi
call   1030 <puts@plt>
lea    0xefb(%rip),%rdi
call   1030 <puts@plt>
lea    0xf04(%rip),%rdi
call   1030 <puts@plt>
lea    0xf12(%rip),%rdi
call   1030 <puts@plt>
lea    0xf24(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [21 x i8] c"quit\09exit main loop\0A\00"
@.str.1 = [17 x i8] c"time\09print time\0A\00"
@.str.2 = [20 x i8] c"rtc\09print RTC time\0A\00"
@.str.3 = [22 x i8] c"die\09deliberate crash\0A\00"
@.str.4 = [27 x i8] c"float\09test floating point\0A\00"
@.str.5 = [31 x i8] c"malloc\09test memory allocation\0A\00"
@.str.6 = [31 x i8] c"readmbr\09test reading SD image\0A\00"
define void @help0() {
%1 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [20 x i8] c"quit\09exit main loop\00"
@str.7 = [16 x i8] c"time\09print time\00"
@str.8 = [19 x i8] c"rtc\09print RTC time\00"
@str.9 = [21 x i8] c"die\09deliberate crash\00"
@str.10 = [26 x i8] c"float\09test floating point\00"
@str.11 = [30 x i8] c"malloc\09test memory allocation\00"
@str.12 = [30 x i8] c"readmbr\09test reading SD image\00"
define void @help0() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.12, i64 0, i64 0))
ret void
}