#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 EOF;
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int getchar();
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ stderr;
int main(int argc, char **argv) {
  int i;
  if (argc != 2) {
    fprintf(stderr, "usage: %s <table name>\n", argv[0]);
    exit(1);
  }
  printf("unsigned char %s[] = {\n", argv[1]);
  for (i = 0;; i++) {
    int c = getchar();
    if (c == EOF)
      break;
    if ((i % 16) == 0)
      printf("\n\t");
    printf("0x%02x, ", c);
  }
  printf("\n};\n");
  exit(0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     1186 <main+0x46>
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe89(%rip),%rsi
call   1050 <fprintf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rsi
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x14(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %eax,-0x18(%rbp)
mov    -0x18(%rbp),%eax
mov    0x2e31(%rip),%rcx
cmp    (%rcx),%eax
jne    11c4 <main+0x84>
jmp    1205 <main+0xc5>
mov    -0x14(%rbp),%eax
mov    $0x10,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    11e6 <main+0xa6>
lea    0xe51(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%esi
lea    0xe43(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    11a3 <main+0x63>
lea    0xe30(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1060 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
cmp    $0x2,%edi
jne    1195 <main+0x45>
mov    0x8(%rsi),%rsi
lea    0xeb0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
mov    0x2e6b(%rip),%r15
cmp    (%r15),%eax
jne    11b7 <main+0x67>
lea    0xeb3(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1070 <exit@plt>
mov    0x2e3c(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xe58(%rip),%rsi
call   1060 <fprintf@plt>
mov    $0x1,%edi
call   1070 <exit@plt>
mov    %eax,%ebp
lea    0xe70(%rip),%r14
lea    0xe6c(%rip),%r12
xor    %ebx,%ebx
jmp    11ed <main+0x9d>
nopl   0x0(%rax,%rax,1)
mov    %r12,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%ebx
xor    %eax,%eax
call   1050 <getchar@plt>
mov    %eax,%ebp
cmp    (%r15),%eax
je     1182 <main+0x32>
test   $0xf,%bl
jne    11d0 <main+0x80>
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
jmp    11d0 <main+0x80>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [24 x i8] c"usage: %s <table name>\0A\00"
@.str.1 = [24 x i8] c"unsigned char %s[] = {\0A\00"
@EOF = global i32 0
@.str.2 = [3 x i8] c"\0A\09\00"
@.str.3 = [9 x i8] c"0x%02x, \00"
@.str.4 = [5 x i8] c"\0A};\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 2
br i1 %9, label %10, label %17
10: ; preds = %2
%11 = load i32, i32* @stderr
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 0
%14 = load i8*, i8** %13
%15 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = call i32 @exit(i32 1)
unreachable
17: ; preds = %2
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 1
%20 = load i8*, i8** %19
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0), i8* %20)
store i32 0, i32* %6
br label %22
22: ; preds = %37, %17
%23 = call i32 (...) @getchar()
store i32 %23, i32* %7
%24 = load i32, i32* %7
%25 = load i32, i32* @EOF
%26 = icmp eq i32 %24, %25
br i1 %26, label %27, label %28
27: ; preds = %22
br label %40
28: ; preds = %22
%29 = load i32, i32* %6
%30 = srem i32 %29, 16
%31 = icmp eq i32 %30, 0
br i1 %31, label %32, label %34
32: ; preds = %28
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
br label %34
34: ; preds = %32, %28
%35 = load i32, i32* %7
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i32 %35)
br label %37
37: ; preds = %34
%38 = load i32, i32* %6
%39 = add nsw i32 %38, 1
store i32 %39, i32* %6
br label %22
40: ; preds = %27
%41 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%42 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [24 x i8] c"usage: %s <table name>\0A\00"
@.str.1 = [24 x i8] c"unsigned char %s[] = {\0A\00"
@EOF = global i32 0
@.str.2 = [3 x i8] c"\0A\09\00"
@.str.3 = [9 x i8] c"0x%02x, \00"
@str = [4 x i8] c"\0A};\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %9, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i8* %6)
%8 = tail call i32 @exit(i32 1)
unreachable
9: ; preds = %2
%10 = getelementptr inbounds i8*, i8** %1, i64 1
%11 = load i8*, i8** %10
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0), i8* %11)
%13 = tail call i32 (...) @getchar()
%14 = load i32, i32* @EOF
%15 = icmp eq i32 %13, %14
br i1 %15, label %29, label %16
16: ; preds = %9, %23
%17 = phi i32 [ %26, %23 ], [ %13, %9 ]
%18 = phi i32 [ %25, %23 ], [ 0, %9 ]
%19 = and i32 %18, 15
%20 = icmp eq i32 %19, 0
br i1 %20, label %21, label %23
21: ; preds = %16
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
br label %23
23: ; preds = %16, %21
%24 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i32 %17)
%25 = add nuw nsw i32 %18, 1
%26 = tail call i32 (...) @getchar()
%27 = load i32, i32* @EOF
%28 = icmp eq i32 %26, %27
br i1 %28, label %29, label %16
29: ; preds = %23, %9
%30 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @str, i64 0, i64 0))
%31 = tail call i32 @exit(i32 0)
unreachable
}