#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*/ puts(void *);
int /*<<< orphan*/ sleep(int);
void *threadimpl(void *arg) {
  for (int i = 0; i < 10; i++) {
    puts(arg);
    sleep(1);
  }
  return NULL;
}


x86 assembly (clang, -O0):
<threadimpl>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    115e <threadimpl+0x3e>
mov    -0x8(%rbp),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1133 <threadimpl+0x13>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<threadimpl>:
push   %rbx
mov    %rdi,%rbx
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
define i8* @threadimpl(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 0, i32* %3
br label %4
4: ; preds = %11, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 10
br i1 %6, label %7, label %14
7: ; preds = %4
%8 = load i8*, i8** %2
%9 = call i32 @puts(i8* %8)
%10 = call i32 @sleep(i32 1)
br label %11
11: ; preds = %7
%12 = load i32, i32* %3
%13 = add nsw i32 %12, 1
store i32 %13, i32* %3
br label %4
14: ; preds = %4
ret i8* null
}

LLVM IR (-O2):
define noalias i8* @threadimpl(i8* nocapture %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) %0)
%3 = tail call i32 @sleep(i32 1)
%4 = tail call i32 @puts(i8* dereferenceable(1) %0)
%5 = tail call i32 @sleep(i32 1)
%6 = tail call i32 @puts(i8* dereferenceable(1) %0)
%7 = tail call i32 @sleep(i32 1)
%8 = tail call i32 @puts(i8* dereferenceable(1) %0)
%9 = tail call i32 @sleep(i32 1)
%10 = tail call i32 @puts(i8* dereferenceable(1) %0)
%11 = tail call i32 @sleep(i32 1)
%12 = tail call i32 @puts(i8* dereferenceable(1) %0)
%13 = tail call i32 @sleep(i32 1)
%14 = tail call i32 @puts(i8* dereferenceable(1) %0)
%15 = tail call i32 @sleep(i32 1)
%16 = tail call i32 @puts(i8* dereferenceable(1) %0)
%17 = tail call i32 @sleep(i32 1)
%18 = tail call i32 @puts(i8* dereferenceable(1) %0)
%19 = tail call i32 @sleep(i32 1)
%20 = tail call i32 @puts(i8* dereferenceable(1) %0)
%21 = tail call i32 @sleep(i32 1)
ret i8* null
}