#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("ping_pong -rwmc <file> <num_locks>\n");
  printf("ping_pong -l <file>\n\n");
  printf("Options\n");
  printf(" -r    do reads\n");
  printf(" -w    do writes\n");
  printf(" -m    use mmap\n");
  printf(" -c    check locks\n");
  printf(" -l    test for working byte range locks\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <printf@plt>
lea    0xf07(%rip),%rdi
call   1030 <printf@plt>
lea    0xf04(%rip),%rdi
call   1030 <printf@plt>
lea    0xf09(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf14(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1c(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xeff(%rip),%rdi
call   1030 <puts@plt>
lea    0xf08(%rip),%rdi
call   1030 <puts@plt>
lea    0xf04(%rip),%rdi
call   1030 <puts@plt>
lea    0xf08(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf11(%rip),%rdi
call   1030 <puts@plt>
lea    0xf18(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [36 x i8] c"ping_pong -rwmc <file> <num_locks>\0A\00"
@.str.1 = [22 x i8] c"ping_pong -l <file>\0A\0A\00"
@.str.2 = [9 x i8] c"Options\0A\00"
@.str.3 = [17 x i8] c" -r do reads\0A\00"
@.str.4 = [18 x i8] c" -w do writes\0A\00"
@.str.5 = [17 x i8] c" -m use mmap\0A\00"
@.str.6 = [20 x i8] c" -c check locks\0A\00"
@.str.7 = [42 x i8] c" -l test for working byte range locks\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.7, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [35 x i8] c"ping_pong -rwmc <file> <num_locks>\00"
@str.8 = [21 x i8] c"ping_pong -l <file>\0A\00"
@str.9 = [8 x i8] c"Options\00"
@str.10 = [16 x i8] c" -r do reads\00"
@str.11 = [17 x i8] c" -w do writes\00"
@str.12 = [16 x i8] c" -m use mmap\00"
@str.13 = [19 x i8] c" -c check locks\00"
@str.14 = [41 x i8] c" -l test for working byte range locks\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.14, i64 0, i64 0))
ret void
}