#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("classic_pi [options]\n");
  printf("   options:\n");
  printf("        -v|--verbose\n");
  printf("        -q|--quiet\n");
  printf("        -n|--no-pi\n");
  printf("        -i <n> |--inversions=<n>\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xeef(%rip),%rdi
call   1030 <printf@plt>
lea    0xef0(%rip),%rdi
call   1030 <printf@plt>
lea    0xefa(%rip),%rdi
call   1030 <printf@plt>
lea    0xf02(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0a(%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    0xef1(%rip),%rdi
call   1030 <puts@plt>
lea    0xef1(%rip),%rdi
call   1030 <puts@plt>
lea    0xefa(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xf08(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"classic_pi [options]\0A\00"
@.str.1 = [13 x i8] c" options:\0A\00"
@.str.2 = [22 x i8] c" -v|--verbose\0A\00"
@.str.3 = [20 x i8] c" -q|--quiet\0A\00"
@.str.4 = [20 x i8] c" -n|--no-pi\0A\00"
@.str.5 = [34 x i8] c" -i <n> |--inversions=<n>\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [21 x i8] c"classic_pi [options]\00"
@str.6 = [12 x i8] c" options:\00"
@str.7 = [21 x i8] c" -v|--verbose\00"
@str.8 = [19 x i8] c" -q|--quiet\00"
@str.9 = [19 x i8] c" -n|--no-pi\00"
@str.10 = [33 x i8] c" -i <n> |--inversions=<n>\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str.10, i64 0, i64 0))
ret void
}