#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*/ f(int);
int /*<<< orphan*/ printf(char *);
int main() {
  int i;
  printf("Prefix    n^2    n\n");
  printf("");
  for (i = 1; i < 50; i++) {
    f(i);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1040 <printf@plt>
lea    0xed1(%rip),%rdi
call   1040 <printf@plt>
movl   $0x1,-0x8(%rbp)
cmpl   $0x32,-0x8(%rbp)
jge    116e <main+0x4e>
mov    -0x8(%rbp),%edi
call   1030 <f@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    114e <main+0x2e>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <f@plt>
mov    $0x2,%edi
call   1040 <f@plt>
mov    $0x3,%edi
call   1040 <f@plt>
mov    $0x4,%edi
call   1040 <f@plt>
mov    $0x5,%edi
call   1040 <f@plt>
mov    $0x6,%edi
call   1040 <f@plt>
mov    $0x7,%edi
call   1040 <f@plt>
mov    $0x8,%edi
call   1040 <f@plt>
mov    $0x9,%edi
call   1040 <f@plt>
mov    $0xa,%edi
call   1040 <f@plt>
mov    $0xb,%edi
call   1040 <f@plt>
mov    $0xc,%edi
call   1040 <f@plt>
mov    $0xd,%edi
call   1040 <f@plt>
mov    $0xe,%edi
call   1040 <f@plt>
mov    $0xf,%edi
call   1040 <f@plt>
mov    $0x10,%edi
call   1040 <f@plt>
mov    $0x11,%edi
call   1040 <f@plt>
mov    $0x12,%edi
call   1040 <f@plt>
mov    $0x13,%edi
call   1040 <f@plt>
mov    $0x14,%edi
call   1040 <f@plt>
mov    $0x15,%edi
call   1040 <f@plt>
mov    $0x16,%edi
call   1040 <f@plt>
mov    $0x17,%edi
call   1040 <f@plt>
mov    $0x18,%edi
call   1040 <f@plt>
mov    $0x19,%edi
call   1040 <f@plt>
mov    $0x1a,%edi
call   1040 <f@plt>
mov    $0x1b,%edi
call   1040 <f@plt>
mov    $0x1c,%edi
call   1040 <f@plt>
mov    $0x1d,%edi
call   1040 <f@plt>
mov    $0x1e,%edi
call   1040 <f@plt>
mov    $0x1f,%edi
call   1040 <f@plt>
mov    $0x20,%edi
call   1040 <f@plt>
mov    $0x21,%edi
call   1040 <f@plt>
mov    $0x22,%edi
call   1040 <f@plt>
mov    $0x23,%edi
call   1040 <f@plt>
mov    $0x24,%edi
call   1040 <f@plt>
mov    $0x25,%edi
call   1040 <f@plt>
mov    $0x26,%edi
call   1040 <f@plt>
mov    $0x27,%edi
call   1040 <f@plt>
mov    $0x28,%edi
call   1040 <f@plt>
mov    $0x29,%edi
call   1040 <f@plt>
mov    $0x2a,%edi
call   1040 <f@plt>
mov    $0x2b,%edi
call   1040 <f@plt>
mov    $0x2c,%edi
call   1040 <f@plt>
mov    $0x2d,%edi
call   1040 <f@plt>
mov    $0x2e,%edi
call   1040 <f@plt>
mov    $0x2f,%edi
call   1040 <f@plt>
mov    $0x30,%edi
call   1040 <f@plt>
mov    $0x31,%edi
call   1040 <f@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Prefix n^2 n\0A\00"
@.str.1 = [1 x i8] zeroinitializer
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
store i32 1, i32* %2
br label %5
5: ; preds = %11, %0
%6 = load i32, i32* %2
%7 = icmp slt i32 %6, 50
br i1 %7, label %8, label %14
8: ; preds = %5
%9 = load i32, i32* %2
%10 = call i32 @f(i32 %9)
br label %11
11: ; preds = %8
%12 = load i32, i32* %2
%13 = add nsw i32 %12, 1
store i32 %13, i32* %2
br label %5
14: ; preds = %5
ret i32 0
}

LLVM IR (-O2):
@str = [19 x i8] c"Prefix n^2 n\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @f(i32 1)
%3 = tail call i32 @f(i32 2)
%4 = tail call i32 @f(i32 3)
%5 = tail call i32 @f(i32 4)
%6 = tail call i32 @f(i32 5)
%7 = tail call i32 @f(i32 6)
%8 = tail call i32 @f(i32 7)
%9 = tail call i32 @f(i32 8)
%10 = tail call i32 @f(i32 9)
%11 = tail call i32 @f(i32 10)
%12 = tail call i32 @f(i32 11)
%13 = tail call i32 @f(i32 12)
%14 = tail call i32 @f(i32 13)
%15 = tail call i32 @f(i32 14)
%16 = tail call i32 @f(i32 15)
%17 = tail call i32 @f(i32 16)
%18 = tail call i32 @f(i32 17)
%19 = tail call i32 @f(i32 18)
%20 = tail call i32 @f(i32 19)
%21 = tail call i32 @f(i32 20)
%22 = tail call i32 @f(i32 21)
%23 = tail call i32 @f(i32 22)
%24 = tail call i32 @f(i32 23)
%25 = tail call i32 @f(i32 24)
%26 = tail call i32 @f(i32 25)
%27 = tail call i32 @f(i32 26)
%28 = tail call i32 @f(i32 27)
%29 = tail call i32 @f(i32 28)
%30 = tail call i32 @f(i32 29)
%31 = tail call i32 @f(i32 30)
%32 = tail call i32 @f(i32 31)
%33 = tail call i32 @f(i32 32)
%34 = tail call i32 @f(i32 33)
%35 = tail call i32 @f(i32 34)
%36 = tail call i32 @f(i32 35)
%37 = tail call i32 @f(i32 36)
%38 = tail call i32 @f(i32 37)
%39 = tail call i32 @f(i32 38)
%40 = tail call i32 @f(i32 39)
%41 = tail call i32 @f(i32 40)
%42 = tail call i32 @f(i32 41)
%43 = tail call i32 @f(i32 42)
%44 = tail call i32 @f(i32 43)
%45 = tail call i32 @f(i32 44)
%46 = tail call i32 @f(i32 45)
%47 = tail call i32 @f(i32 46)
%48 = tail call i32 @f(i32 47)
%49 = tail call i32 @f(i32 48)
%50 = tail call i32 @f(i32 49)
ret i32 0
}