#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*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int nota;
  printf("Insira uma nota: \n");
  scanf("%i", &nota);
  while (nota < 0 || nota > 10) {
    printf("Valor invalido insira novamente!!!\n");
    scanf("%i", &nota);
  }
  printf("Nota comutada com sucesso!\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    $0x1,%al
cmpl   $0x0,-0x8(%rbp)
mov    %al,-0x9(%rbp)
jl     1164 <main+0x44>
cmpl   $0xa,-0x8(%rbp)
setg   %al
mov    %al,-0x9(%rbp)
mov    -0x9(%rbp),%al
test   $0x1,%al
jne    1174 <main+0x54>
jmp    1195 <main+0x75>
lea    0xe9b(%rip),%rdi
call   1030 <printf@plt>
lea    0xe8c(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
jmp    114b <main+0x2b>
lea    0xe9e(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xed3(%rip),%rdi
call   1030 <puts@plt>
lea    0xec4(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
cmpl   $0xb,0xc(%rsp)
jb     117a <main+0x5a>
lea    0xedc(%rip),%r14
lea    0xea5(%rip),%r15
lea    0xc(%rsp),%rbx
mov    %r14,%rdi
call   1030 <puts@plt>
mov    %r15,%rdi
mov    %rbx,%rsi
call   1040 <scanf@plt>
cmpl   $0xa,0xc(%rsp)
ja     1160 <main+0x40>
lea    0xe94(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Insira uma nota: \0A\00"
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [36 x i8] c"Valor invalido insira novamente!!!\0A\00"
@.str.3 = [28 x i8] c"Nota comutada com sucesso!\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
br label %5
5: ; preds = %13, %0
%6 = load i32, i32* %2
%7 = icmp slt i32 %6, 0
br i1 %7, label %11, label %8
8: ; preds = %5
%9 = load i32, i32* %2
%10 = icmp sgt i32 %9, 10
br label %11
11: ; preds = %8, %5
%12 = phi i1 [ true, %5 ], [ %10, %8 ]
br i1 %12, label %13, label %16
13: ; preds = %11
%14 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
br label %5
16: ; preds = %11
%17 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%i\00"
@str = [18 x i8] c"Insira uma nota: \00"
@str.4 = [27 x i8] c"Nota comutada com sucesso!\00"
@str.5 = [35 x i8] c"Valor invalido insira novamente!!!\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp ugt i32 %5, 10
br i1 %6, label %7, label %12
7: ; preds = %0, %7
%8 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.5, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
%11 = icmp ugt i32 %10, 10
br i1 %11, label %7, label %12
12: ; preds = %7, %0
%13 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.4, i64 0, i64 0))
ret i32 0
}