#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 help_opts(char *filename) {
  printf("Usage: %s -<opt>\n", filename);
  printf("options: a - bubble sort\n");
  printf("options: b - selection sort\n");
  printf("options: c - insertion sort\n");
  printf("options: d - merge sort\n");
  printf("options: e - quick sort\n");
  printf("options: f - heap sort\n");
  printf("\n");
  printf("Example, help: %s -h\n", filename);
}


x86 assembly (clang, -O0):
<help_opts>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf07(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf12(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe87(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xf15(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<help_opts>:
push   %rbx
mov    %rdi,%rbx
lea    0xec5(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xedc(%rip),%rdi
call   1040 <puts@plt>
lea    0xee9(%rip),%rdi
call   1040 <puts@plt>
lea    0xef9(%rip),%rdi
call   1040 <puts@plt>
lea    0xf09(%rip),%rdi
call   1040 <puts@plt>
lea    0xf15(%rip),%rdi
call   1040 <puts@plt>
lea    0xf21(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe74(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
pop    %rbx
jmp    1050 <printf@plt>

LLVM IR (-O0):
@.str = [18 x i8] c"Usage: %s -<opt>\0A\00"
@.str.1 = [26 x i8] c"options: a - bubble sort\0A\00"
@.str.2 = [29 x i8] c"options: b - selection sort\0A\00"
@.str.3 = [29 x i8] c"options: c - insertion sort\0A\00"
@.str.4 = [25 x i8] c"options: d - merge sort\0A\00"
@.str.5 = [25 x i8] c"options: e - quick sort\0A\00"
@.str.6 = [24 x i8] c"options: f - heap sort\0A\00"
@.str.7 = [2 x i8] c"\0A\00"
@.str.8 = [22 x i8] c"Example, help: %s -h\0A\00"
define void @help_opts(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.6, 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 = load i8*, i8** %2
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.8, i64 0, i64 0), i8* %12)
ret void
}

LLVM IR (-O2):
@.str = [18 x i8] c"Usage: %s -<opt>\0A\00"
@.str.8 = [22 x i8] c"Example, help: %s -h\0A\00"
@str = [25 x i8] c"options: a - bubble sort\00"
@str.9 = [28 x i8] c"options: b - selection sort\00"
@str.10 = [28 x i8] c"options: c - insertion sort\00"
@str.11 = [24 x i8] c"options: d - merge sort\00"
@str.12 = [24 x i8] c"options: e - quick sort\00"
@str.13 = [23 x i8] c"options: f - heap sort\00"
define void @help_opts(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str.12, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.13, i64 0, i64 0))
%9 = tail call i32 @putchar(i32 10)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.8, i64 0, i64 0), i8* %0)
ret void
}