#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 *, char const *, ...);
int /*<<< orphan*/ stderr;
void show_usage(const char *arg0) {
  fprintf(stderr, "usage: %s -d|-e [-i FILE] [-o FILE]\n\n", arg0);
  fprintf(stderr, "%-15s %s\n", "-d, --decrypt", "decrypt data");
  fprintf(stderr, "%-15s %s\n", "-e, --encrypt", "encrypt data");
  fprintf(stderr, "%-15s %s\n", "-i, --input",
          "intput file (defaults to stdin)");
  fprintf(stderr, "%-15s %s\n", "-o, --output",
          "output file (defaults to stdout)");
  exit(-1);
}


x86 assembly (clang, -O0):
<show_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    0xecf(%rip),%rsi
lea    0xed2(%rip),%rdx
lea    0xed9(%rip),%rcx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e6d(%rip),%rax
mov    (%rax),%edi
lea    0xeaa(%rip),%rsi
lea    0xec8(%rip),%rdx
lea    0xecf(%rip),%rcx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e48(%rip),%rax
mov    (%rax),%edi
lea    0xe85(%rip),%rsi
lea    0xebe(%rip),%rdx
lea    0xec3(%rip),%rcx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e23(%rip),%rax
mov    (%rax),%edi
lea    0xe60(%rip),%rsi
lea    0xec5(%rip),%rdx
lea    0xecb(%rip),%rcx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0xffffffff,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<show_usage>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rdx
mov    0x2eb2(%rip),%rbx
mov    (%rbx),%edi
lea    0xec9(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xedf(%rip),%r14
lea    0xee2(%rip),%rdx
lea    0xee9(%rip),%rcx
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee3(%rip),%rdx
lea    0xeea(%rip),%rcx
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee4(%rip),%rdx
lea    0xee9(%rip),%rcx
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef6(%rip),%rdx
lea    0xefc(%rip),%rcx
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0xffffffff,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [38 x i8] c"usage: %s -d|-e [-i FILE] [-o FILE]\0A\0A\00"
@.str.1 = [10 x i8] c"%-15s %s\0A\00"
@.str.2 = [14 x i8] c"-d, --decrypt\00"
@.str.3 = [13 x i8] c"decrypt data\00"
@.str.4 = [14 x i8] c"-e, --encrypt\00"
@.str.5 = [13 x i8] c"encrypt data\00"
@.str.6 = [12 x i8] c"-i, --input\00"
@.str.7 = [32 x i8] c"intput file (defaults to stdin)\00"
@.str.8 = [13 x i8] c"-o, --output\00"
@.str.9 = [33 x i8] c"output file (defaults to stdout)\00"
define void @show_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*, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.7, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.9, i64 0, i64 0))
%14 = call i32 @exit(i32 -1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [38 x i8] c"usage: %s -d|-e [-i FILE] [-o FILE]\0A\0A\00"
@.str.1 = [10 x i8] c"%-15s %s\0A\00"
@.str.2 = [14 x i8] c"-d, --decrypt\00"
@.str.3 = [13 x i8] c"decrypt data\00"
@.str.4 = [14 x i8] c"-e, --encrypt\00"
@.str.5 = [13 x i8] c"encrypt data\00"
@.str.6 = [12 x i8] c"-i, --input\00"
@.str.7 = [32 x i8] c"intput file (defaults to stdin)\00"
@.str.8 = [13 x i8] c"-o, --output\00"
@.str.9 = [33 x i8] c"output file (defaults to stdout)\00"
define void @show_usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.7, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.9, i64 0, i64 0))
%12 = tail call i32 @exit(i32 -1)
unreachable
}