#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(const char *name) {
  printf("%s: missing argument\n", name);
  printf("Usage: %s [-rO] level [record]\n\n", name);
  printf("-r: replay recfile\n");
  printf("-O: display boulders as '0'\n");
  printf("level: level file, containing a nethack level\n");
  printf("record: file to hold a recording of the session\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf05(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf26(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xed5(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeda(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeea(%rip),%rdi
call   1030 <puts@plt>
lea    0xef1(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xf23(%rip),%rdi
pop    %rbx
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"%s: missing argument\0A\00"
@.str.1 = [33 x i8] c"Usage: %s [-rO] level [record]\0A\0A\00"
@.str.2 = [20 x i8] c"-r: replay recfile\0A\00"
@.str.3 = [29 x i8] c"-O: display boulders as '0'\0A\00"
@.str.4 = [47 x i8] c"level: level file, containing a nethack level\0A\00"
@.str.5 = [49 x i8] c"record: file to hold a recording of the session\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = load i8*, i8** %2
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0), i8* %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.4, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [22 x i8] c"%s: missing argument\0A\00"
@.str.1 = [33 x i8] c"Usage: %s [-rO] level [record]\0A\0A\00"
@str = [19 x i8] c"-r: replay recfile\00"
@str.6 = [28 x i8] c"-O: display boulders as '0'\00"
@str.7 = [46 x i8] c"level: level file, containing a nethack level\00"
@str.8 = [48 x i8] c"record: file to hold a recording of the session\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.6, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.7, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.8, i64 0, i64 0))
ret void
}