#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fscanf(int /*<<< orphan*/ *, char *, char *, char *);
int /*<<< orphan*/ strEqual(int /*<<< orphan*/ *, char *, char *);
int main() {
  FILE *in = fopen("task.in", "r");
  FILE *out = fopen("task.out", "w");
  int limitSym = 100;
  char str1[limitSym];
  char str2[limitSym];
  fscanf(in, "%s%s", str1, str2);
  fclose(in);
  strEqual(out, str1, str2);
  fclose(out);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
lea    0xeab(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,-0x10(%rbp)
lea    0xe9d(%rip),%rdi
lea    0xe9f(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,-0x18(%rbp)
movl   $0x64,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
mov    %rsp,%rcx
mov    %rcx,-0x28(%rbp)
mov    %rax,%rcx
add    $0xf,%rcx
and    $0xfffffffffffffff0,%rcx
mov    %rsp,%rdx
sub    %rcx,%rdx
mov    %rdx,-0x48(%rbp)
mov    %rdx,%rsp
mov    %rax,-0x30(%rbp)
mov    -0x1c(%rbp),%eax
mov    %rax,%rsi
add    $0xf,%rsi
and    $0xfffffffffffffff0,%rsi
mov    %rsp,%rcx
sub    %rsi,%rcx
mov    %rcx,-0x40(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x38(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xe41(%rip),%rsi
call   1040 <fscanf@plt>
mov    -0x10(%rbp),%rdi
call   1030 <fclose@plt>
mov    -0x48(%rbp),%rsi
mov    -0x40(%rbp),%rdx
mov    -0x18(%rbp),%rdi
call   1050 <strEqual@plt>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x28(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0xd8,%rsp
lea    0xeab(%rip),%rdi
lea    0xeac(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,%rbx
lea    0xe9f(%rip),%rdi
lea    0xea1(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,%r14
lea    0xe94(%rip),%rsi
lea    0x70(%rsp),%r15
mov    %rsp,%r12
mov    %rbx,%rdi
mov    %r15,%rdx
mov    %r12,%rcx
call   1040 <fscanf@plt>
mov    %rbx,%rdi
call   1030 <fclose@plt>
mov    %r14,%rdi
mov    %r15,%rsi
mov    %r12,%rdx
call   1050 <strEqual@plt>
mov    %r14,%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
add    $0xd8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [8 x i8] c"task.in\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [9 x i8] c"task.out\00"
@.str.3 = [2 x i8] c"w\00"
@.str.4 = [5 x i8] c"%s%s\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32*
%3 = alloca i32*
%4 = alloca i32
%5 = alloca i8*
%6 = alloca i64
%7 = alloca i64
store i32 0, i32* %1
%8 = call i32* @fopen(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %8, i32** %2
%9 = call i32* @fopen(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
store i32* %9, i32** %3
store i32 100, i32* %4
%10 = load i32, i32* %4
%11 = zext i32 %10 to i64
%12 = call i8* @llvm.stacksave()
store i8* %12, i8** %5
%13 = alloca i8, i64 %11
store i64 %11, i64* %6
%14 = load i32, i32* %4
%15 = zext i32 %14 to i64
%16 = alloca i8, i64 %15
store i64 %15, i64* %7
%17 = load i32*, i32** %2
%18 = call i32 @fscanf(i32* %17, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i8* %13, i8* %16)
%19 = load i32*, i32** %2
%20 = call i32 @fclose(i32* %19)
%21 = load i32*, i32** %3
%22 = call i32 @strEqual(i32* %21, i8* %13, i8* %16)
%23 = load i32*, i32** %3
%24 = call i32 @fclose(i32* %23)
store i32 0, i32* %1
%25 = load i8*, i8** %5
%26 = load i32, i32* %1
ret i32 %26
}

LLVM IR (-O2):
@.str = [8 x i8] c"task.in\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [9 x i8] c"task.out\00"
@.str.3 = [2 x i8] c"w\00"
@.str.4 = [5 x i8] c"%s%s\00"
define i32 @main() {
%1 = tail call i32* @fopen(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32* @fopen(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%3 = alloca [100 x i8]
%4 = alloca [100 x i8]
%5 = getelementptr inbounds [100 x i8], [100 x i8]* %4, i64 0, i64 0
%6 = getelementptr inbounds [100 x i8], [100 x i8]* %3, i64 0, i64 0
%7 = call i32 @fscanf(i32* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i8* %6, i8* %5)
%8 = call i32 @fclose(i32* %1)
%9 = call i32 @strEqual(i32* %2, i8* %6, i8* %5)
%10 = call i32 @fclose(i32* %2)
ret i32 0
}