#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 /*<<< orphan*/ sleep(int);
int main(int argc, char const *argv[]) {
  int temp = 0;
  while (temp < 30) {
    sleep(1);
    temp++;
  }
  printf("Exiting now\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
cmpl   $0x1e,-0x14(%rbp)
jge    115f <main+0x3f>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    113d <main+0x1d>
lea    0xe9a(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
lea    0xdac(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [13 x i8] c"Exiting now\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %6
br label %7
7: ; preds = %10, %2
%8 = load i32, i32* %6
%9 = icmp slt i32 %8, 30
br i1 %9, label %10, label %14
10: ; preds = %7
%11 = call i32 @sleep(i32 1)
%12 = load i32, i32* %6
%13 = add nsw i32 %12, 1
store i32 %13, i32* %6
br label %7
14: ; preds = %7
%15 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%16 = load i32, i32* %3
ret i32 %16
}

LLVM IR (-O2):
@str = [12 x i8] c"Exiting now\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @sleep(i32 1)
%4 = tail call i32 @sleep(i32 1)
%5 = tail call i32 @sleep(i32 1)
%6 = tail call i32 @sleep(i32 1)
%7 = tail call i32 @sleep(i32 1)
%8 = tail call i32 @sleep(i32 1)
%9 = tail call i32 @sleep(i32 1)
%10 = tail call i32 @sleep(i32 1)
%11 = tail call i32 @sleep(i32 1)
%12 = tail call i32 @sleep(i32 1)
%13 = tail call i32 @sleep(i32 1)
%14 = tail call i32 @sleep(i32 1)
%15 = tail call i32 @sleep(i32 1)
%16 = tail call i32 @sleep(i32 1)
%17 = tail call i32 @sleep(i32 1)
%18 = tail call i32 @sleep(i32 1)
%19 = tail call i32 @sleep(i32 1)
%20 = tail call i32 @sleep(i32 1)
%21 = tail call i32 @sleep(i32 1)
%22 = tail call i32 @sleep(i32 1)
%23 = tail call i32 @sleep(i32 1)
%24 = tail call i32 @sleep(i32 1)
%25 = tail call i32 @sleep(i32 1)
%26 = tail call i32 @sleep(i32 1)
%27 = tail call i32 @sleep(i32 1)
%28 = tail call i32 @sleep(i32 1)
%29 = tail call i32 @sleep(i32 1)
%30 = tail call i32 @sleep(i32 1)
%31 = tail call i32 @sleep(i32 1)
%32 = tail call i32 @sleep(i32 1)
%33 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str, i64 0, i64 0))
ret i32 0
}