#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*/ F();
int /*<<< orphan*/ printf(char *);
int main(int argc, char *argv[]) {
  int i;
  for (i = 0; i < 10; i++) {
    F();
    printf("\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   $0xa,-0x14(%rbp)
jge    1168 <main+0x48>
mov    $0x0,%al
call   1030 <F@plt>
lea    0xeab(%rip),%rdi
call   1040 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    113d <main+0x1d>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <F@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [2 x i8] c"\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 = %13, %2
%8 = load i32, i32* %6
%9 = icmp slt i32 %8, 10
br i1 %9, label %10, label %16
10: ; preds = %7
%11 = call i32 (...) @F()
%12 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %13
13: ; preds = %10
%14 = load i32, i32* %6
%15 = add nsw i32 %14, 1
store i32 %15, i32* %6
br label %7
16: ; preds = %7
%17 = load i32, i32* %3
ret i32 %17
}

LLVM IR (-O2):
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 (...) @F()
%4 = tail call i32 @putchar(i32 10)
%5 = tail call i32 (...) @F()
%6 = tail call i32 @putchar(i32 10)
%7 = tail call i32 (...) @F()
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 (...) @F()
%10 = tail call i32 @putchar(i32 10)
%11 = tail call i32 (...) @F()
%12 = tail call i32 @putchar(i32 10)
%13 = tail call i32 (...) @F()
%14 = tail call i32 @putchar(i32 10)
%15 = tail call i32 (...) @F()
%16 = tail call i32 @putchar(i32 10)
%17 = tail call i32 (...) @F()
%18 = tail call i32 @putchar(i32 10)
%19 = tail call i32 (...) @F()
%20 = tail call i32 @putchar(i32 10)
%21 = tail call i32 (...) @F()
%22 = tail call i32 @putchar(i32 10)
ret i32 0
}