#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 contador = 0, soma = 0;
  while (contador < 4) {
    int numero;
    printf("Digite o número: ");
    scanf("%d", &numero);
    contador++;
    soma += numero;
  }
  printf("A soma entre os valores digitados é de: %d", soma);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x4,-0x8(%rbp)
jge    117c <main+0x5c>
lea    0xeb2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
mov    -0x10(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0xc(%rbp)
jmp    113d <main+0x1d>
mov    -0xc(%rbp),%esi
lea    0xe8d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
lea    0xed2(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xefd(%rip),%rbx
lea    0x4(%rsp),%r15
mov    %rbx,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
add    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
add    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
add    0x4(%rsp),%ebp
lea    0xe6e(%rip),%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Digite o n\C3\BAmero: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [44 x i8] c"A soma entre os valores digitados \C3\A9 de: %d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
br label %5
5: ; preds = %8, %0
%6 = load i32, i32* %2
%7 = icmp slt i32 %6, 4
br i1 %7, label %8, label %16
8: ; preds = %5
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %4)
%11 = load i32, i32* %2
%12 = add nsw i32 %11, 1
store i32 %12, i32* %2
%13 = load i32, i32* %4
%14 = load i32, i32* %3
%15 = add nsw i32 %14, %13
store i32 %15, i32* %3
br label %5
16: ; preds = %5
%17 = load i32, i32* %3
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.2, i64 0, i64 0), i32 %17)
%19 = load i32, i32* %1
ret i32 %19
}

LLVM IR (-O2):
@.str = [19 x i8] c"Digite o n\C3\BAmero: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [44 x i8] c"A soma entre os valores digitados \C3\A9 de: %d\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) 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* %1)
%5 = load i32, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%8 = load i32, i32* %1
%9 = add nsw i32 %8, %5
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%12 = load i32, i32* %1
%13 = add nsw i32 %12, %9
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%16 = load i32, i32* %1
%17 = add nsw i32 %16, %13
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @.str.2, i64 0, i64 0), i32 %17)
ret i32 0
}