#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*/ fflush(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ stdout;
void display_clear(void) {
  int i;
  for (i = 0; i < 10; ++i) {
    printf("\n\n\n\n\n\n\n\n\n\n");
  }
  fflush(stdout);
}


x86 assembly (clang, -O0):
<display_clear>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
cmpl   $0xa,-0x4(%rbp)
jge    1153 <display_clear+0x33>
lea    0xec0(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x4(%rbp)
jmp    112f <display_clear+0xf>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
call   1040 <fflush@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_clear>:
push   %rbx
lea    0xed8(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    0x2e61(%rip),%rax
mov    (%rax),%edi
pop    %rbx
jmp    1040 <fflush@plt>

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

LLVM IR (-O2):
@stdout = global i32 0
@str = [10 x i8] c"\0A\0A\0A\0A\0A\0A\0A\0A\0A\00"
define void @display_clear() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%11 = load i32, i32* @stdout
%12 = tail call i32 @fflush(i32 %11)
ret void
}