#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*/ function();
int main(void) {
  int i;
  for (i = 0; i < 30; i++)
    function();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x1e,-0x8(%rbp)
jge    1145 <main+0x35>
mov    $0x0,%al
call   1030 <function@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   %rax
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
call   1030 <function@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
br label %3
3: ; preds = %8, %0
%4 = load i32, i32* %2
%5 = icmp slt i32 %4, 30
br i1 %5, label %6, label %11
6: ; preds = %3
%7 = call i32 (...) @function()
br label %8
8: ; preds = %6
%9 = load i32, i32* %2
%10 = add nsw i32 %9, 1
store i32 %10, i32* %2
br label %3
11: ; preds = %3
%12 = load i32, i32* %1
ret i32 %12
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 (...) @function()
%2 = tail call i32 (...) @function()
%3 = tail call i32 (...) @function()
%4 = tail call i32 (...) @function()
%5 = tail call i32 (...) @function()
%6 = tail call i32 (...) @function()
%7 = tail call i32 (...) @function()
%8 = tail call i32 (...) @function()
%9 = tail call i32 (...) @function()
%10 = tail call i32 (...) @function()
%11 = tail call i32 (...) @function()
%12 = tail call i32 (...) @function()
%13 = tail call i32 (...) @function()
%14 = tail call i32 (...) @function()
%15 = tail call i32 (...) @function()
%16 = tail call i32 (...) @function()
%17 = tail call i32 (...) @function()
%18 = tail call i32 (...) @function()
%19 = tail call i32 (...) @function()
%20 = tail call i32 (...) @function()
%21 = tail call i32 (...) @function()
%22 = tail call i32 (...) @function()
%23 = tail call i32 (...) @function()
%24 = tail call i32 (...) @function()
%25 = tail call i32 (...) @function()
%26 = tail call i32 (...) @function()
%27 = tail call i32 (...) @function()
%28 = tail call i32 (...) @function()
%29 = tail call i32 (...) @function()
%30 = tail call i32 (...) @function()
ret i32 0
}