#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 atoi(char *);
int cutter(int, char *);
int /*<<< orphan*/ printf(char *);
int main(int argc, char **argv) {
  int r;
  int num;
  if (argc < 3) {
    printf("usage: ls10dec [number] [filename]\n");
    return (1);
  }
  num = atoi(argv[1]);
  if (num < 0) {
    printf("number error.\n");
    return -1;
  }
  r = cutter(num, argv[2]);
  return (r);
}


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   $0x3,-0x8(%rbp)
jge    1168 <main+0x38>
lea    0xea9(%rip),%rdi
call   1040 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11b3 <main+0x83>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x18(%rbp)
cmpl   $0x0,-0x18(%rbp)
jge    119a <main+0x6a>
lea    0xe9b(%rip),%rdi
call   1040 <printf@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11b3 <main+0x83>
mov    -0x18(%rbp),%edi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1030 <cutter@plt>
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x2,%edi
jg     1149 <main+0x19>
lea    0xed1(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%eax
pop    %rbx
ret
mov    %rsi,%rbx
mov    0x8(%rsi),%rdi
call   1050 <atoi@plt>
test   %eax,%eax
js     1165 <main+0x35>
mov    0x10(%rbx),%rsi
mov    %eax,%edi
pop    %rbx
jmp    1040 <cutter@plt>
lea    0xe94(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [36 x i8] c"usage: ls10dec [number] [filename]\0A\00"
@.str.1 = [15 x i8] c"number error.\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 slt i32 %8, 3
br i1 %9, label %10, label %12
10: ; preds = %2
%11 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %3
br label %28
12: ; preds = %2
%13 = load i8**, i8*** %5
%14 = getelementptr inbounds i8*, i8** %13, i64 1
%15 = load i8*, i8** %14
%16 = call i32 @atoi(i8* %15)
store i32 %16, i32* %7
%17 = load i32, i32* %7
%18 = icmp slt i32 %17, 0
br i1 %18, label %19, label %21
19: ; preds = %12
%20 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0))
store i32 -1, i32* %3
br label %28
21: ; preds = %12
%22 = load i32, i32* %7
%23 = load i8**, i8*** %5
%24 = getelementptr inbounds i8*, i8** %23, i64 2
%25 = load i8*, i8** %24
%26 = call i32 @cutter(i32 %22, i8* %25)
store i32 %26, i32* %6
%27 = load i32, i32* %6
store i32 %27, i32* %3
br label %28
28: ; preds = %21, %19, %10
%29 = load i32, i32* %3
ret i32 %29
}

LLVM IR (-O2):
@str = [14 x i8] c"number error.\00"
@str.2 = [35 x i8] c"usage: ls10dec [number] [filename]\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 3
br i1 %3, label %4, label %6
4: ; preds = %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.2, i64 0, i64 0))
br label %17
6: ; preds = %2
%7 = getelementptr inbounds i8*, i8** %1, i64 1
%8 = load i8*, i8** %7
%9 = tail call i32 @atoi(i8* %8)
%10 = icmp slt i32 %9, 0
br i1 %10, label %11, label %13
11: ; preds = %6
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str, i64 0, i64 0))
br label %17
13: ; preds = %6
%14 = getelementptr inbounds i8*, i8** %1, i64 2
%15 = load i8*, i8** %14
%16 = tail call i32 @cutter(i32 %9, i8* %15)
br label %17
17: ; preds = %13, %11, %4
%18 = phi i32 [ 1, %4 ], [ -1, %11 ], [ %16, %13 ]
ret i32 %18
}