#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*/ printf(char *);
int /*<<< orphan*/ test(int);
int main() {
  int n = 10;
  for (int i = 0; i < n; ++i) {
    test(20);
    printf("\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    116d <main+0x4d>
mov    $0x14,%edi
call   1040 <test@plt>
lea    0xea6(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    113d <main+0x1d>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x14,%edi
call   1040 <test@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() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 10, i32* %2
store i32 0, i32* %3
br label %4
4: ; preds = %11, %0
%5 = load i32, i32* %3
%6 = load i32, i32* %2
%7 = icmp slt i32 %5, %6
br i1 %7, label %8, label %14
8: ; preds = %4
%9 = call i32 @test(i32 20)
%10 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %11
11: ; preds = %8
%12 = load i32, i32* %3
%13 = add nsw i32 %12, 1
store i32 %13, i32* %3
br label %4
14: ; preds = %4
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 @test(i32 20)
%2 = tail call i32 @putchar(i32 10)
%3 = tail call i32 @test(i32 20)
%4 = tail call i32 @putchar(i32 10)
%5 = tail call i32 @test(i32 20)
%6 = tail call i32 @putchar(i32 10)
%7 = tail call i32 @test(i32 20)
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @test(i32 20)
%10 = tail call i32 @putchar(i32 10)
%11 = tail call i32 @test(i32 20)
%12 = tail call i32 @putchar(i32 10)
%13 = tail call i32 @test(i32 20)
%14 = tail call i32 @putchar(i32 10)
%15 = tail call i32 @test(i32 20)
%16 = tail call i32 @putchar(i32 10)
%17 = tail call i32 @test(i32 20)
%18 = tail call i32 @putchar(i32 10)
%19 = tail call i32 @test(i32 20)
%20 = tail call i32 @putchar(i32 10)
ret i32 0
}