#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 */
scalar_t__ is_positive(int);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main(int argc, const char *argv[]) {
  int number;
  printf("digite um numero:\n");
  scanf("%d", &number);
  if (is_positive(number)) {
    printf("'P'\n");
  } else {
    printf("'N'\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
lea    0xeba(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x14(%rbp),%edi
call   1050 <is_positive@plt>
cmp    $0x0,%rax
je     1185 <main+0x55>
lea    0xe9b(%rip),%rdi
call   1030 <printf@plt>
jmp    1191 <main+0x61>
lea    0xe8f(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xecb(%rip),%rdi
call   1030 <puts@plt>
lea    0xebc(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%edi
call   1050 <is_positive@plt>
test   %rax,%rax
lea    0xeb4(%rip),%rax
lea    0xeb1(%rip),%rdi
cmove  %rax,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"digite um numero:\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [5 x i8] c"'P'\0A\00"
@.str.3 = [5 x i8] c"'N'\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %6)
%9 = load i32, i32* %6
%10 = call i64 @is_positive(i32 %9)
%11 = icmp ne i64 %10, 0
br i1 %11, label %12, label %14
12: ; preds = %2
%13 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br label %16
14: ; preds = %2
%15 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
br label %16
16: ; preds = %14, %12
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@str = [18 x i8] c"digite um numero:\00"
@str.4 = [4 x i8] c"'N'\00"
@str.5 = [4 x i8] c"'P'\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = bitcast i32* %3 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%7 = load i32, i32* %3
%8 = call i64 @is_positive(i32 %7)
%9 = icmp eq i64 %8, 0
%10 = select i1 %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str.4, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str.5, i64 0, i64 0)
%11 = call i32 @puts(i8* dereferenceable(1) %10)
ret i32 0
}