42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
/**
|
|
******************************************************************************
|
|
* Xenia : Xbox 360 Emulator Research Project *
|
|
******************************************************************************
|
|
* Copyright 2014 Ben Vanik. All rights reserved. *
|
|
* Released under the BSD license - see LICENSE in the root for more details. *
|
|
******************************************************************************
|
|
*/
|
|
|
|
#include "alloy/hir/block.h"
|
|
|
|
#include "alloy/hir/instr.h"
|
|
|
|
namespace alloy {
|
|
namespace hir {
|
|
|
|
void Block::AssertNoCycles() {
|
|
Instr* hare = instr_head;
|
|
Instr* tortoise = instr_head;
|
|
if (!hare) {
|
|
return;
|
|
}
|
|
while ((hare = hare->next)) {
|
|
if (hare == tortoise) {
|
|
// Cycle!
|
|
assert_always();
|
|
}
|
|
hare = hare->next;
|
|
if (hare == tortoise) {
|
|
// Cycle!
|
|
assert_always();
|
|
}
|
|
tortoise = tortoise->next;
|
|
if (!hare || !tortoise) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace hir
|
|
} // namespace alloy
|