#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 square;
  int n;
  printf("TABLE OF SQUARES NUMBERS \n\n");
  printf("\t n \t n squared\n");
  printf("\t---\t----------\n");
  for (n = 1; n <= 20; n++) {
    square = n * n;
    printf("\t %i \t %i\n", n, square);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0xc(%rbp)
cmpl   $0x14,-0xc(%rbp)
jg     1186 <main+0x76>
mov    -0xc(%rbp),%eax
imul   -0xc(%rbp),%eax
mov    %eax,-0x8(%rbp)
mov    -0xc(%rbp),%esi
mov    -0x8(%rbp),%edx
lea    0xecd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1150 <main+0x40>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee3(%rip),%rdi
call   1030 <puts@plt>
lea    0xef2(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb4(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x4,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x9,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x10,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    $0x19,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
mov    $0x24,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
mov    $0x31,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
mov    $0x40,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
mov    $0x51,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xa,%esi
mov    $0x64,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xb,%esi
mov    $0x79,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xc,%esi
mov    $0x90,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xd,%esi
mov    $0xa9,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xe,%esi
mov    $0xc4,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xf,%esi
mov    $0xe1,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x10,%esi
mov    $0x100,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x11,%esi
mov    $0x121,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x12,%esi
mov    $0x144,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x13,%esi
mov    $0x169,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x14,%esi
mov    $0x190,%edx
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [28 x i8] c"TABLE OF SQUARES NUMBERS \0A\0A\00"
@.str.1 = [17 x i8] c"\09 n \09 n squared\0A\00"
@.str.2 = [17 x i8] c"\09---\09----------\0A\00"
@.str.3 = [11 x i8] c"\09 %i \09 %i\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0))
store i32 1, i32* %3
br label %7
7: ; preds = %17, %0
%8 = load i32, i32* %3
%9 = icmp sle i32 %8, 20
br i1 %9, label %10, label %20
10: ; preds = %7
%11 = load i32, i32* %3
%12 = load i32, i32* %3
%13 = mul nsw i32 %11, %12
store i32 %13, i32* %2
%14 = load i32, i32* %3
%15 = load i32, i32* %2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 %14, i32 %15)
br label %17
17: ; preds = %10
%18 = load i32, i32* %3
%19 = add nsw i32 %18, 1
store i32 %19, i32* %3
br label %7
20: ; preds = %7
ret i32 0
}

LLVM IR (-O2):
@.str.3 = [11 x i8] c"\09 %i \09 %i\0A\00"
@str = [27 x i8] c"TABLE OF SQUARES NUMBERS \0A\00"
@str.4 = [16 x i8] c"\09 n \09 n squared\00"
@str.5 = [16 x i8] c"\09---\09----------\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.4, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.5, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 1, i32 1)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 2, i32 4)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 3, i32 9)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 4, i32 16)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 5, i32 25)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 6, i32 36)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 7, i32 49)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 8, i32 64)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 9, i32 81)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 10, i32 100)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 11, i32 121)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 12, i32 144)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 13, i32 169)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 14, i32 196)
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 15, i32 225)
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 16, i32 256)
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 17, i32 289)
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 18, i32 324)
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 19, i32 361)
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i32 20, i32 400)
ret i32 0
}