#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 main() {
  int num;
  int i;
  int tab;
  for (num = 2; num <= 10; num++) {
    tab = 0;
    printf("La tabellina di %d e':", num);
    for (i = 0; i < 10; i++) {
      tab += num;
      printf("\t%d", tab);
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x2,-0x8(%rbp)
cmpl   $0xa,-0x8(%rbp)
jg     119d <main+0x8d>
movl   $0x0,-0x10(%rbp)
mov    -0x8(%rbp),%esi
lea    0xebf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    1181 <main+0x71>
mov    -0x8(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    114f <main+0x3f>
lea    0xe93(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x28,%rsp
mov    $0x2,%eax
movl   $0x14,0x18(%rsp)
movl   $0x12,0x14(%rsp)
movl   $0x10,0x10(%rsp)
movl   $0xe,0xc(%rsp)
mov    $0xc,%r13d
mov    $0xa,%ebx
mov    $0x8,%r12d
mov    $0x6,%r14d
mov    $0x4,%r15d
mov    %eax,0x8(%rsp)
lea    0xe85(%rip),%rdi
mov    0x8(%rsp),%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe8a(%rip),%rbp
mov    %rbp,%rdi
mov    0x8(%rsp),%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r15d,0x24(%rsp)
mov    %r15d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r14d,0x20(%rsp)
mov    %r14d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r12d,0x1c(%rsp)
mov    %r12d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r13d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0xc(%rsp),%r12d
mov    %r12d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x10(%rsp),%r15d
mov    %r15d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x14(%rsp),%r14d
mov    %r14d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x18(%rsp),%ebp
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x8(%rsp),%eax
add    $0x1,%eax
add    $0xa,%ebp
add    $0x9,%r14d
mov    %r14d,0x14(%rsp)
add    $0x8,%r15d
mov    %r15d,0x10(%rsp)
add    $0x7,%r12d
mov    %r12d,0xc(%rsp)
add    $0x6,%r13d
add    $0x5,%ebx
mov    0x1c(%rsp),%r12d
add    $0x4,%r12d
mov    0x20(%rsp),%r14d
add    $0x3,%r14d
mov    0x24(%rsp),%r15d
add    $0x2,%r15d
mov    %ebp,0x18(%rsp)
cmp    $0x6e,%ebp
jne    1170 <main+0x50>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [23 x i8] c"La tabellina di %d e':\00"
@.str.1 = [4 x i8] c"\09%d\00"
@.str.2 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 2, i32* %2
br label %5
5: ; preds = %25, %0
%6 = load i32, i32* %2
%7 = icmp sle i32 %6, 10
br i1 %7, label %8, label %28
8: ; preds = %5
store i32 0, i32* %4
%9 = load i32, i32* %2
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i32 %9)
store i32 0, i32* %3
br label %11
11: ; preds = %20, %8
%12 = load i32, i32* %3
%13 = icmp slt i32 %12, 10
br i1 %13, label %14, label %23
14: ; preds = %11
%15 = load i32, i32* %2
%16 = load i32, i32* %4
%17 = add nsw i32 %16, %15
store i32 %17, i32* %4
%18 = load i32, i32* %4
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %14
%21 = load i32, i32* %3
%22 = add nsw i32 %21, 1
store i32 %22, i32* %3
br label %11
23: ; preds = %11
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %25
25: ; preds = %23
%26 = load i32, i32* %2
%27 = add nsw i32 %26, 1
store i32 %27, i32* %2
br label %5
28: ; preds = %5
%29 = load i32, i32* %1
ret i32 %29
}

LLVM IR (-O2):
@.str = [23 x i8] c"La tabellina di %d e':\00"
@.str.1 = [4 x i8] c"\09%d\00"
define i32 @main() {
br label %1
1: ; preds = %0, %1
%2 = phi i32 [ 2, %0 ], [ %24, %1 ]
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %2)
%5 = shl nuw nsw i32 %2, 1
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%7 = mul nuw nsw i32 %2, 3
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %7)
%9 = shl nuw nsw i32 %2, 2
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %9)
%11 = mul nuw nsw i32 %2, 5
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %11)
%13 = mul nuw nsw i32 %2, 6
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = mul nuw nsw i32 %2, 7
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %15)
%17 = shl nuw nsw i32 %2, 3
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %17)
%19 = mul nuw nsw i32 %2, 9
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %19)
%21 = mul nuw nsw i32 %2, 10
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %21)
%23 = tail call i32 @putchar(i32 10)
%24 = add nuw nsw i32 %2, 1
%25 = icmp eq i32 %24, 11
br i1 %25, label %26, label %1
26: ; preds = %1
ret i32 0
}