#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 main(void) {
  int i;
  for (i = 0; i < 8; i++) {
    if (i % 2 == 0)
      printf("*   *   *   *   *   *   *   *\n");
    else
      printf("   *   *   *   *   *   *   *   *\n");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x8,-0x8(%rbp)
jge    1174 <main+0x64>
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    1155 <main+0x45>
lea    0xeb8(%rip),%rdi
call   1030 <printf@plt>
jmp    1161 <main+0x51>
lea    0xea4(%rip),%rdi
call   1030 <printf@plt>
jmp    1166 <main+0x56>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xee8(%rip),%r14
mov    %r14,%rdi
call   1030 <puts@plt>
lea    0xed6(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %r14,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %r14,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
mov    %r14,%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [31 x i8] c"* * * * * * * *\0A\00"
@.str.1 = [34 x i8] c" * * * * * * * *\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
br label %3
3: ; preds = %15, %0
%4 = load i32, i32* %2
%5 = icmp slt i32 %4, 8
br i1 %5, label %6, label %18
6: ; preds = %3
%7 = load i32, i32* %2
%8 = srem i32 %7, 2
%9 = icmp eq i32 %8, 0
br i1 %9, label %10, label %12
10: ; preds = %6
%11 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0))
br label %14
12: ; preds = %6
%13 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.1, i64 0, i64 0))
br label %14
14: ; preds = %12, %10
br label %15
15: ; preds = %14
%16 = load i32, i32* %2
%17 = add nsw i32 %16, 1
store i32 %17, i32* %2
br label %3
18: ; preds = %3
%19 = load i32, i32* %1
ret i32 %19
}

LLVM IR (-O2):
@str = [33 x i8] c" * * * * * * * *\00"
@str.2 = [30 x i8] c"* * * * * * * *\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.2, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.2, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.2, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.2, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
ret i32 0
}