#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*/ fflush(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ stdout;
void usage(void) {
  printf("t   - toggle rendering order of triangles\n");
  printf("c   - toggle Z clear value between 0, 1\n");
  printf("f   - cycle through depth test functions\n");
  printf("n/N - decrease/increase depthrange minZ\n");
  printf("x/X - decrease/increase depthrange maxZ\n");
  printf("spc - reset\n");
  printf("z   - set to reverse-direction (ztrick) mode\n");
  fflush(stdout);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef4(%rip),%rdi
call   1030 <printf@plt>
lea    0xf11(%rip),%rdi
call   1030 <printf@plt>
lea    0xf2f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf4c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf69(%rip),%rdi
call   1030 <printf@plt>
lea    0xf6a(%rip),%rdi
call   1030 <printf@plt>
mov    0x2e61(%rip),%rax
mov    (%rax),%edi
call   1040 <fflush@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xf12(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf4b(%rip),%rdi
call   1030 <puts@plt>
lea    0xf67(%rip),%rdi
call   1030 <puts@plt>
lea    0xf67(%rip),%rdi
call   1030 <puts@plt>
mov    0x2e64(%rip),%rax
mov    (%rax),%edi
pop    %rax
jmp    1040 <fflush@plt>

LLVM IR (-O0):
@.str = [43 x i8] c"t - toggle rendering order of triangles\0A\00"
@.str.1 = [41 x i8] c"c - toggle Z clear value between 0, 1\0A\00"
@.str.2 = [42 x i8] c"f - cycle through depth test functions\0A\00"
@.str.3 = [41 x i8] c"n/N - decrease/increase depthrange minZ\0A\00"
@.str.4 = [41 x i8] c"x/X - decrease/increase depthrange maxZ\0A\00"
@.str.5 = [13 x i8] c"spc - reset\0A\00"
@.str.6 = [46 x i8] c"z - set to reverse-direction (ztrick) mode\0A\00"
@stdout = global i32 0
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 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 ([42 x i8], [42 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.6, i64 0, i64 0))
%8 = load i32, i32* @stdout
%9 = call i32 @fflush(i32 %8)
ret void
}

LLVM IR (-O2):
@stdout = global i32 0
@str = [42 x i8] c"t - toggle rendering order of triangles\00"
@str.7 = [40 x i8] c"c - toggle Z clear value between 0, 1\00"
@str.8 = [41 x i8] c"f - cycle through depth test functions\00"
@str.9 = [40 x i8] c"n/N - decrease/increase depthrange minZ\00"
@str.10 = [40 x i8] c"x/X - decrease/increase depthrange maxZ\00"
@str.11 = [12 x i8] c"spc - reset\00"
@str.12 = [45 x i8] c"z - set to reverse-direction (ztrick) mode\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([42 x i8], [42 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @str.12, i64 0, i64 0))
%8 = load i32, i32* @stdout
%9 = tail call i32 @fflush(i32 %8)
ret void
}