#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("Usage: fds_example [...]\n");
  printf("       -F <file>   File to pin/get object\n");
  printf("       -P          |- pin object\n");
  printf("       -G          `- get object\n");
  printf("       -m          eBPF map mode\n");
  printf("       -k <key>    |- map key\n");
  printf("       -v <value>  `- map value\n");
  printf("       -p          eBPF prog mode\n");
  printf("       -o <object> `- object file\n");
  printf("       -h          Display this help.\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xf12(%rip),%rdi
call   1030 <printf@plt>
lea    0xf28(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3e(%rip),%rdi
call   1030 <printf@plt>
lea    0xf54(%rip),%rdi
call   1030 <printf@plt>
lea    0xf67(%rip),%rdi
call   1030 <printf@plt>
lea    0xf7c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf93(%rip),%rdi
call   1030 <printf@plt>
lea    0xfaa(%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    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xf13(%rip),%rdi
call   1030 <puts@plt>
lea    0xf28(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf52(%rip),%rdi
call   1030 <puts@plt>
lea    0xf64(%rip),%rdi
call   1030 <puts@plt>
lea    0xf78(%rip),%rdi
call   1030 <puts@plt>
lea    0xf8e(%rip),%rdi
call   1030 <puts@plt>
lea    0xfa4(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [26 x i8] c"Usage: fds_example [...]\0A\00"
@.str.1 = [43 x i8] c" -F <file> File to pin/get object\0A\00"
@.str.2 = [34 x i8] c" -P |- pin object\0A\00"
@.str.3 = [34 x i8] c" -G `- get object\0A\00"
@.str.4 = [34 x i8] c" -m eBPF map mode\0A\00"
@.str.5 = [31 x i8] c" -k <key> |- map key\0A\00"
@.str.6 = [33 x i8] c" -v <value> `- map value\0A\00"
@.str.7 = [35 x i8] c" -p eBPF prog mode\0A\00"
@.str.8 = [35 x i8] c" -o <object> `- object file\0A\00"
@.str.9 = [39 x i8] c" -h Display this help.\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.9, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [25 x i8] c"Usage: fds_example [...]\00"
@str.10 = [42 x i8] c" -F <file> File to pin/get object\00"
@str.11 = [33 x i8] c" -P |- pin object\00"
@str.12 = [33 x i8] c" -G `- get object\00"
@str.13 = [33 x i8] c" -m eBPF map mode\00"
@str.14 = [30 x i8] c" -k <key> |- map key\00"
@str.15 = [32 x i8] c" -v <value> `- map value\00"
@str.16 = [34 x i8] c" -p eBPF prog mode\00"
@str.17 = [34 x i8] c" -o <object> `- object file\00"
@str.18 = [38 x i8] c" -h Display this help.\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([42 x i8], [42 x i8]* @str.10, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str.11, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str.12, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str.13, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.14, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.15, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.16, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.17, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str.18, i64 0, i64 0))
ret void
}