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

/* Variables and functions */
scalar_t__ fgets(char *, int, int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ printf(char *, char *);
void assembled() {
  char flag[100];
  FILE *solved = fopen("flag", "r");
  while (fgets(flag, sizeof(flag), solved)) {
    printf("%s", flag);
  }
}


x86 assembly (clang, -O0):
<assembled>:
push   %rbp
mov    %rsp,%rbp
sub    $0x80,%rsp
lea    0xebe(%rip),%rdi
lea    0xebc(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,-0x78(%rbp)
lea    -0x70(%rbp),%rdi
mov    -0x78(%rbp),%rdx
mov    $0x64,%esi
call   1040 <fgets@plt>
cmp    $0x0,%rax
je     1183 <assembled+0x53>
lea    -0x70(%rbp),%rsi
lea    0xe8e(%rip),%rdi
call   1030 <printf@plt>
jmp    1152 <assembled+0x22>
add    $0x80,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<assembled>:
push   %r15
push   %r14
push   %rbx
sub    $0x70,%rsp
lea    0xec0(%rip),%rdi
lea    0xebe(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,%r15
mov    %rsp,%rdi
mov    $0x64,%esi
mov    %rax,%rdx
call   1040 <fgets@plt>
test   %rax,%rax
je     1190 <assembled+0x60>
lea    0xe9c(%rip),%r14
mov    %rsp,%rbx
xchg   %ax,%ax
mov    %r14,%rdi
mov    %rbx,%rsi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x64,%esi
mov    %r15,%rdx
call   1040 <fgets@plt>
test   %rax,%rax
jne    1170 <assembled+0x40>
add    $0x70,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [5 x i8] c"flag\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [3 x i8] c"%s\00"
define void @assembled() {
%1 = alloca [100 x i8]
%2 = alloca i32*
%3 = call i32* @fopen(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %3, i32** %2
br label %4
4: ; preds = %9, %0
%5 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 0
%6 = load i32*, i32** %2
%7 = call i64 @fgets(i8* %5, i32 100, i32* %6)
%8 = icmp ne i64 %7, 0
br i1 %8, label %9, label %12
9: ; preds = %4
%10 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 0
%11 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i8* %10)
br label %4
12: ; preds = %4
ret void
}

LLVM IR (-O2):
@.str = [5 x i8] c"flag\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [3 x i8] c"%s\00"
define void @assembled() {
%1 = alloca [100 x i8]
%2 = getelementptr inbounds [100 x i8], [100 x i8]* %1, i64 0, i64 0
%3 = tail call i32* @fopen(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%4 = call i64 @fgets(i8* %2, i32 100, i32* %3)
%5 = icmp eq i64 %4, 0
br i1 %5, label %10, label %6
6: ; preds = %0, %6
%7 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i8* %2)
%8 = call i64 @fgets(i8* %2, i32 100, i32* %3)
%9 = icmp eq i64 %8, 0
br i1 %9, label %10, label %6
10: ; preds = %6, %0
ret void
}