#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*/ copia();
int obtenlinea();
int /*<<< orphan*/ printf(char *, char *);
int main(void) {
  int longitud;
  extern int max;
  extern char linea_max[1000];
  max = 0;
  while ((longitud = obtenlinea()) > 0)
    if (longitud > 80) {
      max = longitud;
      copia();
      printf("%s", linea_max);
    }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    0x2e92(%rip),%rax
movl   $0x0,(%rax)
mov    $0x0,%al
call   1030 <obtenlinea@plt>
mov    %eax,-0x8(%rbp)
cmp    $0x0,%eax
jle    1194 <main+0x64>
cmpl   $0x50,-0x8(%rbp)
jle    118f <main+0x5f>
mov    -0x8(%rbp),%ecx
mov    0x2e65(%rip),%rax
mov    %ecx,(%rax)
mov    $0x0,%al
call   1040 <copia@plt>
lea    0xe7d(%rip),%rdi
mov    0x2e56(%rip),%rsi
call   1050 <printf@plt>
jmp    114c <main+0x1c>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
mov    0x2e9c(%rip),%r15
movl   $0x0,(%r15)
xor    %eax,%eax
call   1030 <obtenlinea@plt>
test   %eax,%eax
jle    1187 <main+0x57>
lea    0xeab(%rip),%r14
mov    0x2e84(%rip),%rbx
jmp    116b <main+0x3b>
xchg   %ax,%ax
xor    %eax,%eax
call   1030 <obtenlinea@plt>
test   %eax,%eax
jle    1187 <main+0x57>
cmp    $0x51,%eax
jb     1160 <main+0x30>
mov    %eax,(%r15)
xor    %eax,%eax
call   1040 <copia@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
call   1050 <printf@plt>
jmp    1160 <main+0x30>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@max = external global i32
@.str = [3 x i8] c"%s\00"
@linea_max = external global [1000 x i8]
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* @max
br label %3
3: ; preds = %13, %0
%4 = call i32 (...) @obtenlinea()
store i32 %4, i32* %2
%5 = icmp sgt i32 %4, 0
br i1 %5, label %6, label %14
6: ; preds = %3
%7 = load i32, i32* %2
%8 = icmp sgt i32 %7, 80
br i1 %8, label %9, label %13
9: ; preds = %6
%10 = load i32, i32* %2
store i32 %10, i32* @max
%11 = call i32 (...) @copia()
%12 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([1000 x i8], [1000 x i8]* @linea_max, i64 0, i64 0))
br label %13
13: ; preds = %9, %6
br label %3
14: ; preds = %3
ret i32 0
}

LLVM IR (-O2):
@max = external global i32
@.str = [3 x i8] c"%s\00"
@linea_max = external global [1000 x i8]
define i32 @main() {
store i32 0, i32* @max
%1 = tail call i32 (...) @obtenlinea()
%2 = icmp sgt i32 %1, 0
br i1 %2, label %3, label %12
3: ; preds = %0, %9
%4 = phi i32 [ %10, %9 ], [ %1, %0 ]
%5 = icmp ugt i32 %4, 80
br i1 %5, label %6, label %9
6: ; preds = %3
store i32 %4, i32* @max
%7 = tail call i32 (...) @copia()
%8 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([1000 x i8], [1000 x i8]* @linea_max, i64 0, i64 0))
br label %9
9: ; preds = %6, %3
%10 = tail call i32 (...) @obtenlinea()
%11 = icmp sgt i32 %10, 0
br i1 %11, label %3, label %12
12: ; preds = %9, %0
ret i32 0
}