#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 display_help() {
  printf("\n  ?              Help\n");
  printf("  dw addr len    Display len words starting from  addr\n");
  printf("  db addr len    Display len bytes starting from addr\n");
  printf("  cw addr val    Change word at addr to val\n");
  printf("  cb addr val    Change byte at addr to val\n");
  printf("  q              Quit\n");
  printf("\n  Notes:\n");
  printf("    * addr, len, and val are interpreted as hex values\n");
  printf("    * addresses are always byte based\n");
  printf("    * addresses are offsets relative to the base address\n\n");
}


x86 assembly (clang, -O0):
<display_help>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf48(%rip),%rdi
call   1030 <printf@plt>
lea    0xf69(%rip),%rdi
call   1030 <printf@plt>
lea    0xf8a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf95(%rip),%rdi
call   1030 <printf@plt>
lea    0xf94(%rip),%rdi
call   1030 <printf@plt>
lea    0xfc0(%rip),%rdi
call   1030 <printf@plt>
lea    0xfdb(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_help>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1e(%rip),%rdi
call   1030 <puts@plt>
lea    0xf48(%rip),%rdi
call   1030 <puts@plt>
lea    0xf68(%rip),%rdi
call   1030 <puts@plt>
lea    0xf88(%rip),%rdi
call   1030 <puts@plt>
lea    0xf92(%rip),%rdi
call   1030 <puts@plt>
lea    0xf90(%rip),%rdi
call   1030 <puts@plt>
lea    0xfbb(%rip),%rdi
call   1030 <puts@plt>
lea    0xfd5(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [24 x i8] c"\0A ? Help\0A\00"
@.str.1 = [56 x i8] c" dw addr len Display len words starting from addr\0A\00"
@.str.2 = [55 x i8] c" db addr len Display len bytes starting from addr\0A\00"
@.str.3 = [45 x i8] c" cw addr val Change word at addr to val\0A\00"
@.str.4 = [45 x i8] c" cb addr val Change byte at addr to val\0A\00"
@.str.5 = [23 x i8] c" q Quit\0A\00"
@.str.6 = [11 x i8] c"\0A Notes:\0A\00"
@.str.7 = [56 x i8] c" * addr, len, and val are interpreted as hex values\0A\00"
@.str.8 = [39 x i8] c" * addresses are always byte based\0A\00"
@.str.9 = [59 x i8] c" * addresses are offsets relative to the base address\0A\0A\00"
define void @display_help() {
%1 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.9, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [23 x i8] c"\0A ? Help\00"
@str.10 = [55 x i8] c" dw addr len Display len words starting from addr\00"
@str.11 = [54 x i8] c" db addr len Display len bytes starting from addr\00"
@str.12 = [44 x i8] c" cw addr val Change word at addr to val\00"
@str.13 = [44 x i8] c" cb addr val Change byte at addr to val\00"
@str.14 = [22 x i8] c" q Quit\00"
@str.15 = [10 x i8] c"\0A Notes:\00"
@str.16 = [55 x i8] c" * addr, len, and val are interpreted as hex values\00"
@str.17 = [38 x i8] c" * addresses are always byte based\00"
@str.18 = [58 x i8] c" * addresses are offsets relative to the base address\0A\00"
define void @display_help() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.10, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.11, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str.12, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str.13, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.14, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.15, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.16, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str.17, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @str.18, i64 0, i64 0))
ret void
}