#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:\n");
  printf("  -display <displayname>  set the display to run on\n");
  printf("  -stereo                 run in stereo mode\n");
  printf("  -samples N              run in multisample mode with at least N "
         "samples\n");
  printf("  -fullscreen             run in fullscreen mode\n");
  printf("  -info                   display OpenGL renderer info\n");
  printf("  -geometry WxH+X+Y       window geometry\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf2c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf6b(%rip),%rdi
call   1030 <printf@plt>
lea    0xf91(%rip),%rdi
call   1030 <printf@plt>
lea    0xfbd(%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    0xee3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0b(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf6a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf8f(%rip),%rdi
call   1030 <puts@plt>
lea    0xfba(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"Usage:\0A\00"
@.str.1 = [53 x i8] c" -display <displayname> set the display to run on\0A\00"
@.str.2 = [46 x i8] c" -stereo run in stereo mode\0A\00"
@.str.3 = [75 x i8] c" -samples N run in multisample mode with at least N samples\0A\00"
@.str.4 = [50 x i8] c" -fullscreen run in fullscreen mode\0A\00"
@.str.5 = [56 x i8] c" -info display OpenGL renderer info\0A\00"
@.str.6 = [43 x i8] c" -geometry WxH+X+Y window geometry\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([75 x i8], [75 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [7 x i8] c"Usage:\00"
@str.7 = [52 x i8] c" -display <displayname> set the display to run on\00"
@str.8 = [45 x i8] c" -stereo run in stereo mode\00"
@str.9 = [74 x i8] c" -samples N run in multisample mode with at least N samples\00"
@str.10 = [49 x i8] c" -fullscreen run in fullscreen mode\00"
@str.11 = [55 x i8] c" -info display OpenGL renderer info\00"
@str.12 = [42 x i8] c" -geometry WxH+X+Y window geometry\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([52 x i8], [52 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([74 x i8], [74 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([49 x i8], [49 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([42 x i8], [42 x i8]* @str.12, i64 0, i64 0))
ret void
}