#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*/ free(int /*<<< orphan*/);
int /*<<< orphan*/ three();
int /*<<< orphan*/ two();
void start(void) {
  int i;
  for (i = 0; i < 5; i++) {
    free(three());
  }
  for (i = 0; i < 3; i++) {
    free(two());
  }
}


x86 assembly (clang, -O0):
<start>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
cmpl   $0x5,-0x4(%rbp)
jge    1165 <start+0x35>
mov    $0x0,%al
call   1050 <three@plt>
mov    %eax,%edi
call   1030 <free@plt>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x4(%rbp)
jmp    113f <start+0xf>
movl   $0x0,-0x4(%rbp)
cmpl   $0x3,-0x4(%rbp)
jge    1192 <start+0x62>
mov    $0x0,%al
call   1040 <two@plt>
mov    %eax,%edi
call   1030 <free@plt>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x4(%rbp)
jmp    116c <start+0x3c>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<start>:
push   %rax
xor    %eax,%eax
call   1050 <three@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1050 <three@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1050 <three@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1050 <three@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1050 <three@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1040 <two@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1040 <two@plt>
mov    %eax,%edi
call   1030 <free@plt>
xor    %eax,%eax
call   1040 <two@plt>
mov    %eax,%edi
pop    %rax
jmp    1030 <free@plt>

LLVM IR (-O0):
define void @start() {
%1 = alloca i32
store i32 0, i32* %1
br label %2
2: ; preds = %8, %0
%3 = load i32, i32* %1
%4 = icmp slt i32 %3, 5
br i1 %4, label %5, label %11
5: ; preds = %2
%6 = call i32 (...) @three()
%7 = call i32 @free(i32 %6)
br label %8
8: ; preds = %5
%9 = load i32, i32* %1
%10 = add nsw i32 %9, 1
store i32 %10, i32* %1
br label %2
11: ; preds = %2
store i32 0, i32* %1
br label %12
12: ; preds = %18, %11
%13 = load i32, i32* %1
%14 = icmp slt i32 %13, 3
br i1 %14, label %15, label %21
15: ; preds = %12
%16 = call i32 (...) @two()
%17 = call i32 @free(i32 %16)
br label %18
18: ; preds = %15
%19 = load i32, i32* %1
%20 = add nsw i32 %19, 1
store i32 %20, i32* %1
br label %12
21: ; preds = %12
ret void
}

LLVM IR (-O2):
define void @start() {
%1 = tail call i32 (...) @three()
%2 = tail call i32 @free(i32 %1)
%3 = tail call i32 (...) @three()
%4 = tail call i32 @free(i32 %3)
%5 = tail call i32 (...) @three()
%6 = tail call i32 @free(i32 %5)
%7 = tail call i32 (...) @three()
%8 = tail call i32 @free(i32 %7)
%9 = tail call i32 (...) @three()
%10 = tail call i32 @free(i32 %9)
%11 = tail call i32 (...) @two()
%12 = tail call i32 @free(i32 %11)
%13 = tail call i32 (...) @two()
%14 = tail call i32 @free(i32 %13)
%15 = tail call i32 (...) @two()
%16 = tail call i32 @free(i32 %15)
ret void
}