#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, ...);
void tables(int n) {
  printf("tablas %d\n", n);
  int num, i;
  for (num = 1; num <= n; num++) {
    for (i = 1; i <= 10; i++)
      printf("%d x %d = %d\n", num, i, num * i);
  }
}


x86 assembly (clang, -O0):
<tables>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xedb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x4(%rbp),%eax
jg     118c <tables+0x7c>
movl   $0x1,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jg     1179 <tables+0x69>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x8(%rbp),%ecx
imul   -0xc(%rbp),%ecx
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1146 <tables+0x36>
jmp    117e <tables+0x6e>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1133 <tables+0x23>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<tables>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x38,%rsp
mov    %edi,%ebx
lea    0xed9(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,0x20(%rsp)
test   %ebx,%ebx
jle    12e2 <tables+0x1d2>
mov    0x20(%rsp),%rax
neg    %eax
mov    %rax,0x20(%rsp)
mov    $0x1,%ecx
movl   $0x8,0x1c(%rsp)
movl   $0x4,0x18(%rsp)
mov    $0x2,%ebp
movl   $0xa,0x14(%rsp)
movl   $0x9,0x10(%rsp)
movl   $0x7,0xc(%rsp)
mov    $0x6,%r14d
mov    $0x5,%r15d
mov    $0x3,%ebx
nopl   0x0(%rax)
mov    %ebx,0x34(%rsp)
lea    0xe70(%rip),%r13
mov    %r13,%rdi
mov    %rcx,%r12
mov    %r12d,%esi
mov    $0x1,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x2,%edx
mov    %ebp,0x30(%rsp)
mov    %ebp,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x3,%edx
mov    %ebx,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x4,%edx
mov    0x18(%rsp),%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x5,%edx
mov    %r15d,0x2c(%rsp)
mov    %r15d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x6,%edx
mov    %r14d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r13,%rbx
mov    %r12d,%esi
mov    $0x7,%edx
mov    0xc(%rsp),%r15d
mov    %r15d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x8,%edx
mov    0x1c(%rsp),%ebp
mov    %ebp,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r13,%rdi
mov    %r12d,%esi
mov    $0x9,%edx
mov    0x10(%rsp),%r13d
mov    %r13d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r12d,%esi
mov    $0xa,%edx
mov    0x14(%rsp),%ebx
mov    %ebx,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x20(%rsp),%rax
add    %r12d,%eax
add    $0x1,%eax
mov    %r12d,%ecx
add    $0x1,%ecx
add    $0x8,%ebp
mov    %ebp,0x1c(%rsp)
addl   $0x4,0x18(%rsp)
mov    0x30(%rsp),%ebp
add    $0x2,%ebp
add    $0xa,%ebx
mov    %ebx,0x14(%rsp)
mov    0x34(%rsp),%ebx
add    $0x9,%r13d
mov    %r13d,0x10(%rsp)
add    $0x7,%r15d
mov    %r15d,0xc(%rsp)
add    $0x6,%r14d
mov    0x2c(%rsp),%r15d
add    $0x5,%r15d
add    $0x3,%ebx
cmp    $0x1,%eax
jne    1190 <tables+0x80>
add    $0x38,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

LLVM IR (-O2):
@.str = [11 x i8] c"tablas %d\0A\00"
@.str.1 = [14 x i8] c"%d x %d = %d\0A\00"
define void @tables(i32 %0) {
%2 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %0)
%3 = icmp slt i32 %0, 1
br i1 %3, label %27, label %4
4: ; preds = %1, %4
%5 = phi i32 [ %25, %4 ], [ 1, %1 ]
%6 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 1, i32 %5)
%7 = shl nuw nsw i32 %5, 1
%8 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 2, i32 %7)
%9 = mul nuw nsw i32 %5, 3
%10 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 3, i32 %9)
%11 = shl nuw nsw i32 %5, 2
%12 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 4, i32 %11)
%13 = mul nuw nsw i32 %5, 5
%14 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 5, i32 %13)
%15 = mul nuw nsw i32 %5, 6
%16 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 6, i32 %15)
%17 = mul nuw nsw i32 %5, 7
%18 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 7, i32 %17)
%19 = shl nuw nsw i32 %5, 3
%20 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 8, i32 %19)
%21 = mul nuw nsw i32 %5, 9
%22 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 9, i32 %21)
%23 = mul nuw nsw i32 %5, 10
%24 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 10, i32 %23)
%25 = add nuw i32 %5, 1
%26 = icmp eq i32 %5, %0
br i1 %26, label %27, label %4
27: ; preds = %4, %1
ret void
}