#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 */
typedef int /*<<< orphan*/ time_t;

/* Variables and functions */
int /*<<< orphan*/ printf(char *, int /*<<< orphan*/);
int /*<<< orphan*/ sleep(int);
int /*<<< orphan*/ time(int /*<<< orphan*/ *);
int main() {
  time_t timer;
  int n = 10;
  while (n--) {
    sleep(1);
    timer = time(NULL);
    printf("%ld\n", timer);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,%ecx
add    $0xffffffff,%ecx
mov    %ecx,-0xc(%rbp)
cmp    $0x0,%eax
je     1184 <main+0x54>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %eax,%eax
mov    %eax,%edi
call   1040 <time@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe86(%rip),%rdi
call   1030 <printf@plt>
jmp    1146 <main+0x16>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
lea    0xeb7(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <sleep@plt>
xor    %edi,%edi
call   1040 <time@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

LLVM IR (-O2):
@.str = [5 x i8] c"%ld\0A\00"
define i32 @main() {
%1 = tail call i32 @sleep(i32 1)
%2 = tail call i32 @time(i32* null)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = tail call i32 @sleep(i32 1)
%5 = tail call i32 @time(i32* null)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @sleep(i32 1)
%8 = tail call i32 @time(i32* null)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %8)
%10 = tail call i32 @sleep(i32 1)
%11 = tail call i32 @time(i32* null)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = tail call i32 @sleep(i32 1)
%14 = tail call i32 @time(i32* null)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = tail call i32 @sleep(i32 1)
%17 = tail call i32 @time(i32* null)
%18 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %17)
%19 = tail call i32 @sleep(i32 1)
%20 = tail call i32 @time(i32* null)
%21 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %20)
%22 = tail call i32 @sleep(i32 1)
%23 = tail call i32 @time(i32* null)
%24 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %23)
%25 = tail call i32 @sleep(i32 1)
%26 = tail call i32 @time(i32* null)
%27 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %26)
%28 = tail call i32 @sleep(i32 1)
%29 = tail call i32 @time(i32* null)
%30 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %29)
ret i32 0
}