#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*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(char *prog) {
  fprintf(stderr, "Usage: %s [-cnvh] directories...\n", prog);
  fprintf(stderr, "  -c    When finding candidates for linking, compare only "
                  "file contents.\n");
  fprintf(stderr, "  -n    Don't actually link anything, just report what "
                  "would be done.\n");
  fprintf(stderr, "  -v    Print summary after hardlinking.\n");
  fprintf(stderr,
          "  -vv   Print every hardlinked file and bytes saved + summary.\n");
  fprintf(stderr, "  -h    Show help.\n");
  exit(255);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ead(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xec0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e92(%rip),%rax
mov    (%rax),%edi
lea    0xecb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7b(%rip),%rax
mov    (%rax),%edi
lea    0xefe(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e64(%rip),%rax
mov    (%rax),%edi
lea    0xf2e(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e4d(%rip),%rax
mov    (%rax),%edi
lea    0xf41(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e36(%rip),%rax
mov    (%rax),%edi
lea    0xf6a(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0xff,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2eb5(%rip),%rbx
mov    (%rbx),%edi
lea    0xecc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xede(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf18(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4f(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf69(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf99(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0xff,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [34 x i8] c"Usage: %s [-cnvh] directories...\0A\00"
@.str.1 = [74 x i8] c" -c When finding candidates for linking, compare only file contents.\0A\00"
@.str.2 = [71 x i8] c" -n Don't actually link anything, just report what would be done.\0A\00"
@.str.3 = [42 x i8] c" -v Print summary after hardlinking.\0A\00"
@.str.4 = [64 x i8] c" -vv Print every hardlinked file and bytes saved + summary.\0A\00"
@.str.5 = [20 x i8] c" -h Show help.\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.5, i64 0, i64 0))
%16 = call i32 @exit(i32 255)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [34 x i8] c"Usage: %s [-cnvh] directories...\0A\00"
@.str.1 = [74 x i8] c" -c When finding candidates for linking, compare only file contents.\0A\00"
@.str.2 = [71 x i8] c" -n Don't actually link anything, just report what would be done.\0A\00"
@.str.3 = [42 x i8] c" -v Print summary after hardlinking.\0A\00"
@.str.4 = [64 x i8] c" -vv Print every hardlinked file and bytes saved + summary.\0A\00"
@.str.5 = [20 x i8] c" -h Show help.\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.2, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.4, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.5, i64 0, i64 0))
%14 = tail call i32 @exit(i32 255)
unreachable
}