#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 n, i = 10;
  printf("Entre com o valor: ");
  scanf("%d", &n);
  do {
    printf("%d x %d = %d\n", n, i, n * i);
    i--;
  } while (i > 0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0xc(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x8(%rbp),%ecx
imul   -0xc(%rbp),%ecx
lea    0xeaf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0xc(%rbp)
cmpl   $0x0,-0xc(%rbp)
jg     1154 <main+0x34>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeda(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%esi
lea    (%rsi,%rsi,1),%eax
lea    (%rax,%rax,4),%ecx
lea    0xec2(%rip),%rbx
mov    %rbx,%rdi
mov    $0xa,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    (%rsi,%rsi,8),%ecx
mov    %rbx,%rdi
mov    $0x9,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    0x0(,%rsi,8),%ecx
mov    %rbx,%rdi
mov    $0x8,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    0x0(,%rsi,8),%ecx
sub    %esi,%ecx
mov    %rbx,%rdi
mov    $0x7,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    (%rsi,%rsi,1),%eax
lea    (%rax,%rax,2),%ecx
mov    %rbx,%rdi
mov    $0x6,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    (%rsi,%rsi,4),%ecx
mov    %rbx,%rdi
mov    $0x5,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    0x0(,%rsi,4),%ecx
mov    %rbx,%rdi
mov    $0x4,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    (%rsi,%rsi,2),%ecx
mov    %rbx,%rdi
mov    $0x3,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
lea    (%rsi,%rsi,1),%ecx
mov    %rbx,%rdi
mov    $0x2,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%ecx
mov    %rbx,%rdi
mov    %ecx,%esi
mov    $0x1,%edx
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Entre com o valor: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [14 x i8] c"%d x %d = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 10, i32* %3
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
br label %6
6: ; preds = %15, %0
%7 = load i32, i32* %2
%8 = load i32, i32* %3
%9 = load i32, i32* %2
%10 = load i32, i32* %3
%11 = mul nsw i32 %9, %10
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %7, i32 %8, i32 %11)
%13 = load i32, i32* %3
%14 = add nsw i32 %13, -1
store i32 %14, i32* %3
br label %15
15: ; preds = %6
%16 = load i32, i32* %3
%17 = icmp sgt i32 %16, 0
br i1 %17, label %6, label %18
18: ; preds = %15
%19 = load i32, i32* %1
ret i32 %19
}

LLVM IR (-O2):
@.str = [20 x i8] c"Entre com o valor: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [14 x i8] c"%d x %d = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 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 = mul nsw i32 %5, 10
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %5, i32 10, i32 %6)
%8 = load i32, i32* %1
%9 = mul nsw i32 %8, 9
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %8, i32 9, i32 %9)
%11 = load i32, i32* %1
%12 = shl nsw i32 %11, 3
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %11, i32 8, i32 %12)
%14 = load i32, i32* %1
%15 = mul nsw i32 %14, 7
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %14, i32 7, i32 %15)
%17 = load i32, i32* %1
%18 = mul nsw i32 %17, 6
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %17, i32 6, i32 %18)
%20 = load i32, i32* %1
%21 = mul nsw i32 %20, 5
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %20, i32 5, i32 %21)
%23 = load i32, i32* %1
%24 = shl nsw i32 %23, 2
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %23, i32 4, i32 %24)
%26 = load i32, i32* %1
%27 = mul nsw i32 %26, 3
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %26, i32 3, i32 %27)
%29 = load i32, i32* %1
%30 = shl nsw i32 %29, 1
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %29, i32 2, i32 %30)
%32 = load i32, i32* %1
%33 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %32, i32 1, i32 %32)
ret i32 0
}