#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 usage(void) {
  printf("\n");
  printf("Usage: dirsample [OPTIONS] DIRECTORIES\n\n");
  printf("  Print the path of one item from each directory in DIRECTORIES.\n");
  printf("  How samples are taken can be changed with OPTIONS.\n\n");
  printf("Options:\n  -p [PATTERN]    Print only items including PATTERN in "
         "their names.\n  -i              Make pattern matching case "
         "insensitive.\n  -h              Print this help message.\n\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xf85(%rip),%rdi
call   1030 <printf@plt>
lea    0xed9(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xf2c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf57(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xece(%rip),%rdi
call   1040 <puts@plt>
lea    0xeea(%rip),%rdi
call   1040 <puts@plt>
lea    0xf1f(%rip),%rdi
call   1040 <puts@plt>
lea    0xf49(%rip),%rdi
pop    %rax
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [41 x i8] c"Usage: dirsample [OPTIONS] DIRECTORIES\0A\0A\00"
@.str.2 = [66 x i8] c" Print the path of one item from each directory in DIRECTORIES.\0A\00"
@.str.3 = [55 x i8] c" How samples are taken can be changed with OPTIONS.\0A\0A\00"
@.str.4 = [181 x i8] c"Options:\0A -p [PATTERN] Print only items including PATTERN in their names.\0A -i Make pattern matching case insensitive.\0A -h Print this help message.\0A\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([66 x i8], [66 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([181 x i8], [181 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [40 x i8] c"Usage: dirsample [OPTIONS] DIRECTORIES\0A\00"
@str.5 = [65 x i8] c" Print the path of one item from each directory in DIRECTORIES.\00"
@str.6 = [54 x i8] c" How samples are taken can be changed with OPTIONS.\0A\00"
@str.7 = [180 x i8] c"Options:\0A -p [PATTERN] Print only items including PATTERN in their names.\0A -i Make pattern matching case insensitive.\0A -h Print this help message.\0A\00"
define void @usage() {
%1 = tail call i32 @putchar(i32 10)
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([65 x i8], [65 x i8]* @str.5, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.6, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([180 x i8], [180 x i8]* @str.7, i64 0, i64 0))
ret void
}