#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*/ AMCPrintf(char *, char *, int);
int /*<<< orphan*/ sleep(int);
void _count_down_task(void *arg) {
  int tmp = 10;
  while (tmp >= 0) {
    AMCPrintf("%s: Now %d\n", (char *)arg, tmp);
    tmp--;
    sleep(1);
  }
}


x86 assembly (clang, -O0):
<_count_down_task>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0xa,-0xc(%rbp)
cmpl   $0x0,-0xc(%rbp)
jl     1168 <_count_down_task+0x48>
mov    -0x8(%rbp),%rsi
mov    -0xc(%rbp),%edx
lea    0xeb5(%rip),%rdi
call   1030 <AMCPrintf@plt>
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0xc(%rbp)
mov    $0x1,%edi
call   1040 <sleep@plt>
jmp    1133 <_count_down_task+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<_count_down_task>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xed2(%rip),%r14
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0xa,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x9,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x8,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x7,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x6,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x5,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x4,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x3,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x2,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
mov    $0x1,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
call   1040 <sleep@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
xor    %edx,%edx
call   1030 <AMCPrintf@plt>
mov    $0x1,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1040 <sleep@plt>

LLVM IR (-O0):
@.str = [12 x i8] c"%s: Now %d\0A\00"
define void @_count_down_task(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 10, i32* %3
br label %4
4: ; preds = %7, %1
%5 = load i32, i32* %3
%6 = icmp sge i32 %5, 0
br i1 %6, label %7, label %14
7: ; preds = %4
%8 = load i8*, i8** %2
%9 = load i32, i32* %3
%10 = call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %8, i32 %9)
%11 = load i32, i32* %3
%12 = add nsw i32 %11, -1
store i32 %12, i32* %3
%13 = call i32 @sleep(i32 1)
br label %4
14: ; preds = %4
ret void
}

LLVM IR (-O2):
@.str = [12 x i8] c"%s: Now %d\0A\00"
define void @_count_down_task(i8* %0) {
%2 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 10)
%3 = tail call i32 @sleep(i32 1)
%4 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 9)
%5 = tail call i32 @sleep(i32 1)
%6 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 8)
%7 = tail call i32 @sleep(i32 1)
%8 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 7)
%9 = tail call i32 @sleep(i32 1)
%10 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 6)
%11 = tail call i32 @sleep(i32 1)
%12 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 5)
%13 = tail call i32 @sleep(i32 1)
%14 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 4)
%15 = tail call i32 @sleep(i32 1)
%16 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 3)
%17 = tail call i32 @sleep(i32 1)
%18 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 2)
%19 = tail call i32 @sleep(i32 1)
%20 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 1)
%21 = tail call i32 @sleep(i32 1)
%22 = tail call i32 @AMCPrintf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i8* %0, i32 0)
%23 = tail call i32 @sleep(i32 1)
ret void
}