#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 *, ...);
scalar_t__ scanf(char *, int *);
int main(void) {
  int x;
  while (scanf("%d", &x) != 0 && x <= 0)
    printf("0 ou < 0 nao forma um triangulo por favor digite novamente a "
           "medida X\n");
  printf("%d", x);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
je     115b <main+0x3b>
cmpl   $0x0,-0x8(%rbp)
setle  %al
mov    %al,-0x9(%rbp)
mov    -0x9(%rbp),%al
test   $0x1,%al
jne    116b <main+0x4b>
jmp    117e <main+0x5e>
lea    0xe91(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    112f <main+0xf>
mov    -0x8(%rbp),%esi
lea    0xe78(%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   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xec0(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
test   %rax,%rax
je     1190 <main+0x60>
test   %esi,%esi
jg     1190 <main+0x60>
lea    0xea5(%rip),%r14
lea    0xe9b(%rip),%r15
lea    0xc(%rsp),%rbx
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
call   1030 <puts@plt>
mov    %r15,%rdi
mov    %rbx,%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
test   %rax,%rax
je     1190 <main+0x60>
test   %esi,%esi
jle    1170 <main+0x40>
lea    0xe69(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [71 x i8] c"0 ou < 0 nao forma um triangulo por favor digite novamente a medida X\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
br label %3
3: ; preds = %11, %0
%4 = call i64 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%5 = icmp ne i64 %4, 0
br i1 %5, label %6, label %9
6: ; preds = %3
%7 = load i32, i32* %2
%8 = icmp sle i32 %7, 0
br label %9
9: ; preds = %6, %3
%10 = phi i1 [ false, %3 ], [ %8, %6 ]
br i1 %10, label %11, label %13
11: ; preds = %9
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.1, i64 0, i64 0))
br label %3
13: ; preds = %9
%14 = load i32, i32* %2
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = load i32, i32* %1
ret i32 %16
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@str = [70 x i8] c"0 ou < 0 nao forma um triangulo por favor digite novamente a medida X\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i64 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = icmp ne i64 %3, 0
%5 = load i32, i32* %1
%6 = icmp slt i32 %5, 1
%7 = select i1 %4, i1 %6, i1 false
br i1 %7, label %8, label %15
8: ; preds = %0, %8
%9 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([70 x i8], [70 x i8]* @str, i64 0, i64 0))
%10 = call i64 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%11 = icmp ne i64 %10, 0
%12 = load i32, i32* %1
%13 = icmp slt i32 %12, 1
%14 = select i1 %11, i1 %13, i1 false
br i1 %14, label %8, label %15
15: ; preds = %8, %0
%16 = phi i32 [ %5, %0 ], [ %12, %8 ]
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %16)
ret i32 0
}