#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 /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
void usage(void) {
  printf("Usage: susan <in.pgm> <out.pgm> [options]\n\n");
  printf("-s : Smoothing mode (default)\n");
  printf("-e : Edges mode\n");
  printf("-c : Corners mode\n\n");
  printf("See source code for more information about setting the thresholds\n");
  printf("-t <thresh> : Brightness threshold, all modes (default=20)\n");
  printf("-d <thresh> : Distance threshold, smoothing mode, (default=4) (use "
         "next option instead for flat 3x3 mask)\n");
  printf("-3 : Use flat 3x3 mask, edges or smoothing mode\n");
  printf("-n : No post-processing on the binary edge map (runs much faster); "
         "edges mode\n");
  printf("-q : Use faster (and usually stabler) corner mode; edge-like corner "
         "suppression not carried out; corners mode\n");
  printf("-b : Mark corners/edges with single black points instead of black "
         "with white border; corners or edges mode\n");
  printf("-p : Output initial enhancement image only; corners or edges mode "
         "(default is edges mode)\n");
  printf("\nSUSAN Version 2l (C) 1995-1997 Stephen Smith, DRA UK. "
         "steve@fmrib.ox.ac.uk\n");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf08(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf15(%rip),%rdi
call   1030 <printf@plt>
lea    0xf4c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf7c(%rip),%rdi
call   1030 <printf@plt>
lea    0xfdb(%rip),%rdi
call   1030 <printf@plt>
lea    0x1000(%rip),%rdi
call   1030 <printf@plt>
lea    0x1043(%rip),%rdi
call   1030 <printf@plt>
lea    0x10a6(%rip),%rdi
call   1030 <printf@plt>
lea    0x1106(%rip),%rdi
call   1030 <printf@plt>
lea    0x1155(%rip),%rdi
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef7(%rip),%rdi
call   1030 <puts@plt>
lea    0xf09(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf14(%rip),%rdi
call   1030 <puts@plt>
lea    0xf4a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf79(%rip),%rdi
call   1030 <puts@plt>
lea    0xfd7(%rip),%rdi
call   1030 <puts@plt>
lea    0xffb(%rip),%rdi
call   1030 <puts@plt>
lea    0x103d(%rip),%rdi
call   1030 <puts@plt>
lea    0x109f(%rip),%rdi
call   1030 <puts@plt>
lea    0x10fe(%rip),%rdi
call   1030 <puts@plt>
lea    0x114c(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@.str = [44 x i8] c"Usage: susan <in.pgm> <out.pgm> [options]\0A\0A\00"
@.str.1 = [31 x i8] c"-s : Smoothing mode (default)\0A\00"
@.str.2 = [17 x i8] c"-e : Edges mode\0A\00"
@.str.3 = [20 x i8] c"-c : Corners mode\0A\0A\00"
@.str.4 = [67 x i8] c"See source code for more information about setting the thresholds\0A\00"
@.str.5 = [60 x i8] c"-t <thresh> : Brightness threshold, all modes (default=20)\0A\00"
@.str.6 = [107 x i8] c"-d <thresh> : Distance threshold, smoothing mode, (default=4) (use next option instead for flat 3x3 mask)\0A\00"
@.str.7 = [49 x i8] c"-3 : Use flat 3x3 mask, edges or smoothing mode\0A\00"
@.str.8 = [79 x i8] c"-n : No post-processing on the binary edge map (runs much faster); edges mode\0A\00"
@.str.9 = [111 x i8] c"-q : Use faster (and usually stabler) corner mode; edge-like corner suppression not carried out; corners mode\0A\00"
@.str.10 = [108 x i8] c"-b : Mark corners/edges with single black points instead of black with white border; corners or edges mode\0A\00"
@.str.11 = [91 x i8] c"-p : Output initial enhancement image only; corners or edges mode (default is edges mode)\0A\00"
@.str.12 = [77 x i8] c"\0ASUSAN Version 2l (C) 1995-1997 Stephen Smith, DRA UK. steve@fmrib.ox.ac.uk\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 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 ([67 x i8], [67 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([107 x i8], [107 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([79 x i8], [79 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([111 x i8], [111 x i8]* @.str.9, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([108 x i8], [108 x i8]* @.str.10, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([91 x i8], [91 x i8]* @.str.11, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([77 x i8], [77 x i8]* @.str.12, i64 0, i64 0))
%14 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@str = [43 x i8] c"Usage: susan <in.pgm> <out.pgm> [options]\0A\00"
@str.13 = [30 x i8] c"-s : Smoothing mode (default)\00"
@str.14 = [16 x i8] c"-e : Edges mode\00"
@str.15 = [19 x i8] c"-c : Corners mode\0A\00"
@str.16 = [66 x i8] c"See source code for more information about setting the thresholds\00"
@str.17 = [59 x i8] c"-t <thresh> : Brightness threshold, all modes (default=20)\00"
@str.18 = [106 x i8] c"-d <thresh> : Distance threshold, smoothing mode, (default=4) (use next option instead for flat 3x3 mask)\00"
@str.19 = [48 x i8] c"-3 : Use flat 3x3 mask, edges or smoothing mode\00"
@str.20 = [78 x i8] c"-n : No post-processing on the binary edge map (runs much faster); edges mode\00"
@str.21 = [110 x i8] c"-q : Use faster (and usually stabler) corner mode; edge-like corner suppression not carried out; corners mode\00"
@str.22 = [107 x i8] c"-b : Mark corners/edges with single black points instead of black with white border; corners or edges mode\00"
@str.23 = [90 x i8] c"-p : Output initial enhancement image only; corners or edges mode (default is edges mode)\00"
@str.24 = [76 x i8] c"\0ASUSAN Version 2l (C) 1995-1997 Stephen Smith, DRA UK. steve@fmrib.ox.ac.uk\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.13, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.14, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.15, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([66 x i8], [66 x i8]* @str.16, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.17, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([106 x i8], [106 x i8]* @str.18, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.19, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([78 x i8], [78 x i8]* @str.20, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([110 x i8], [110 x i8]* @str.21, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([107 x i8], [107 x i8]* @str.22, i64 0, i64 0))
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([90 x i8], [90 x i8]* @str.23, i64 0, i64 0))
%13 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([76 x i8], [76 x i8]* @str.24, i64 0, i64 0))
%14 = tail call i32 @exit(i32 0)
unreachable
}