#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*/ printf(char *, char *);
int /*<<< orphan*/ sudoku_get(char *);
int /*<<< orphan*/ sudoku_print(char *, char *);
int /*<<< orphan*/ sudoku_solution();
int main(int argc, char *argv[]) {
  if (argc != 2) {
    printf("Usage: %s <data_file>\n", argv[0]);
    {};
    exit(-1);
  }
  sudoku_get(argv[1]);
  sudoku_print("The original sudoku is:", "\n\n");
  sudoku_solution();
  sudoku_print("Now the sudoku is:", NULL);
  {};
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     118d <main+0x3d>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe82(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1050 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1070 <sudoku_get@plt>
lea    0xe76(%rip),%rdi
lea    0xe87(%rip),%rsi
call   1040 <sudoku_print@plt>
mov    $0x0,%al
call   1060 <sudoku_solution@plt>
lea    0xe77(%rip),%rdi
xor    %eax,%eax
mov    %eax,%esi
call   1040 <sudoku_print@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x2,%edi
jne    118b <main+0x3b>
mov    0x8(%rsi),%rdi
call   1070 <sudoku_get@plt>
lea    0xeb1(%rip),%rdi
lea    0xec2(%rip),%rsi
call   1040 <sudoku_print@plt>
xor    %eax,%eax
call   1060 <sudoku_solution@plt>
lea    0xeb2(%rip),%rdi
xor    %esi,%esi
call   1040 <sudoku_print@plt>
xor    %eax,%eax
pop    %rcx
ret
mov    (%rsi),%rsi
lea    0xe6b(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [23 x i8] c"Usage: %s <data_file>\0A\00"
@.str.1 = [24 x i8] c"The original sudoku is:\00"
@.str.2 = [3 x i8] c"\0A\0A\00"
@.str.3 = [19 x i8] c"Now the sudoku is:\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp ne i32 %6, 2
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = load i8**, i8*** %5
%10 = getelementptr inbounds i8*, i8** %9, i64 0
%11 = load i8*, i8** %10
%12 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %11)
%13 = call i32 @exit(i32 -1)
unreachable
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
%18 = call i32 @sudoku_get(i8* %17)
%19 = call i32 @sudoku_print(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%20 = call i32 (...) @sudoku_solution()
%21 = call i32 @sudoku_print(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i8* null)
ret i32 0
}

LLVM IR (-O2):
@.str = [23 x i8] c"Usage: %s <data_file>\0A\00"
@.str.1 = [24 x i8] c"The original sudoku is:\00"
@.str.2 = [3 x i8] c"\0A\0A\00"
@.str.3 = [19 x i8] c"Now the sudoku is:\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = tail call i32 @exit(i32 -1)
unreachable
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @sudoku_get(i8* %10)
%12 = tail call i32 @sudoku_print(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%13 = tail call i32 (...) @sudoku_solution()
%14 = tail call i32 @sudoku_print(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i8* null)
ret i32 0
}