#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*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ puts(char *);
void usage() {
  puts("USAGE: ./multigrep -s 'start' -e 'end' [-n 'negative match'] 'match'");
  puts("\nOPTIONS:");
  puts("\t-e\tending regex");
  puts("\t-h\tprint this help");
  puts("\t-n\tnegative regex");
  puts("\t-s\tstarting regex");
  puts("\t-v\tversion information");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0e(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf11(%rip),%rdi
call   1030 <puts@plt>
lea    0xf19(%rip),%rdi
call   1030 <puts@plt>
lea    0xf20(%rip),%rdi
call   1030 <puts@plt>
lea    0xf27(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf11(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf14(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf23(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2a(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@.str = [69 x i8] c"USAGE: ./multigrep -s 'start' -e 'end' [-n 'negative match'] 'match'\00"
@.str.1 = [10 x i8] c"\0AOPTIONS:\00"
@.str.2 = [17 x i8] c"\09-e\09ending regex\00"
@.str.3 = [20 x i8] c"\09-h\09print this help\00"
@.str.4 = [19 x i8] c"\09-n\09negative regex\00"
@.str.5 = [19 x i8] c"\09-s\09starting regex\00"
@.str.6 = [24 x i8] c"\09-v\09version information\00"
define void @usage() {
%1 = call i32 @puts(i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @puts(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @puts(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @puts(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @puts(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @puts(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @puts(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [69 x i8] c"USAGE: ./multigrep -s 'start' -e 'end' [-n 'negative match'] 'match'\00"
@.str.1 = [10 x i8] c"\0AOPTIONS:\00"
@.str.2 = [17 x i8] c"\09-e\09ending regex\00"
@.str.3 = [20 x i8] c"\09-h\09print this help\00"
@.str.4 = [19 x i8] c"\09-n\09negative regex\00"
@.str.5 = [19 x i8] c"\09-s\09starting regex\00"
@.str.6 = [24 x i8] c"\09-v\09version information\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([69 x i8], [69 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.5, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.6, i64 0, i64 0))
%8 = tail call i32 @exit(i32 0)
unreachable
}