#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 somatorio(int);
int main() {
  int num;
  printf("Informe um numero positivo inteiro: ");
  scanf("%d", &num);
  if (num <= 0) {
    printf("Informe um numero inteiro e posivivo!\n");
  } else {
    printf("Somatorio: %d\n", somatorio(num));
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xed1(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
cmpl   $0x0,-0x8(%rbp)
jg     117a <main+0x4a>
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
jmp    1192 <main+0x62>
mov    -0x8(%rbp),%edi
call   1030 <somatorio@plt>
mov    %eax,%esi
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xecf(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1060 <scanf@plt>
mov    0x4(%rsp),%edi
test   %edi,%edi
jle    117f <main+0x3f>
call   1030 <somatorio@plt>
lea    0xeb4(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1050 <printf@plt>
jmp    118b <main+0x4b>
lea    0xeb1(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [37 x i8] c"Informe um numero positivo inteiro: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [39 x i8] c"Informe um numero inteiro e posivivo!\0A\00"
@.str.3 = [15 x i8] c"Somatorio: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 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)
%5 = load i32, i32* %2
%6 = icmp sle i32 %5, 0
br i1 %6, label %7, label %9
7: ; preds = %0
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0))
br label %13
9: ; preds = %0
%10 = load i32, i32* %2
%11 = call i32 @somatorio(i32 %10)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %11)
br label %13
13: ; preds = %9, %7
ret i32 0
}

LLVM IR (-O2):
@.str = [37 x i8] c"Informe um numero positivo inteiro: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.3 = [15 x i8] c"Somatorio: %d\0A\00"
@str = [38 x i8] c"Informe um numero inteiro e posivivo!\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 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 slt i32 %5, 1
br i1 %6, label %7, label %9
7: ; preds = %0
%8 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str, i64 0, i64 0))
br label %12
9: ; preds = %0
%10 = call i32 @somatorio(i32 %5)
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %10)
br label %12
12: ; preds = %9, %7
ret i32 0
}