#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(void) {
  printf("  n   n2  \n");
  printf("---- ---- \n");
  for (int i = 1; i <= 10; i++) {
    printf(" %-2d   %d  \n", i, i * i);
  }
  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    0xed8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x8(%rbp)
cmpl   $0xa,-0x8(%rbp)
jg     1172 <main+0x62>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
imul   -0x8(%rbp),%edx
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1142 <main+0x32>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee6(%rip),%rdi
call   1030 <puts@plt>
lea    0xee5(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%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>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [12 x i8] c" n n2 \0A\00"
@.str.1 = [12 x i8] c"---- ---- \0A\00"
@.str.2 = [14 x i8] c" %-2d %d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
store i32 1, i32* %2
br label %5
5: ; preds = %14, %0
%6 = load i32, i32* %2
%7 = icmp sle i32 %6, 10
br i1 %7, label %8, label %17
8: ; preds = %5
%9 = load i32, i32* %2
%10 = load i32, i32* %2
%11 = load i32, i32* %2
%12 = mul nsw i32 %10, %11
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %9, i32 %12)
br label %14
14: ; preds = %8
%15 = load i32, i32* %2
%16 = add nsw i32 %15, 1
store i32 %16, i32* %2
br label %5
17: ; preds = %5
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [14 x i8] c" %-2d %d \0A\00"
@str = [11 x i8] c" n n2 \00"
@str.3 = [11 x i8] c"---- ---- \00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.3, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 1, i32 1)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 2, i32 4)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 3, i32 9)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 4, i32 16)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 5, i32 25)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 6, i32 36)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 7, i32 49)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 8, i32 64)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 9, i32 81)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 10, i32 100)
ret i32 0
}