本文整理汇总了C++中MDefinition::earlyAbortCheck方法的典型用法代码示例。如果您正苦于以下问题:C++ MDefinition::earlyAbortCheck方法的具体用法?C++ MDefinition::earlyAbortCheck怎么用?C++ MDefinition::earlyAbortCheck使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MDefinition
的用法示例。
在下文中一共展示了MDefinition::earlyAbortCheck方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: IonSpew
bool
RangeAnalysis::analyze()
{
int numBlocks = 0;
for (PostorderIterator i(graph_.poBegin()); i != graph_.poEnd(); i++) {
numBlocks++;
MBasicBlock *curBlock = *i;
if (!curBlock->isLoopHeader())
continue;
for (MPhiIterator pi(curBlock->phisBegin()); pi != curBlock->phisEnd(); pi++)
if (!pi->initCounts())
return false;
}
IonSpew(IonSpew_Range, "Doing range propagation");
MDefinitionVector worklist;
for (ReversePostorderIterator block(graph_.rpoBegin()); block != graph_.rpoEnd(); block++) {
for (MDefinitionIterator iter(*block); iter; iter++) {
MDefinition *def = *iter;
AddToWorklist(worklist, def);
}
}
size_t iters = 0;
while (!worklist.empty()) {
MDefinition *def = PopFromWorklist(worklist);
IonSpew(IonSpew_Range, "recomputing range on %d", def->id());
SpewRange(def);
if (!def->earlyAbortCheck() && def->recomputeRange()) {
JS_ASSERT(def->range()->lower() <= def->range()->upper());
IonSpew(IonSpew_Range, "Range changed; adding consumers");
IonSpew(IonSpew_Range, "New range for %d is: (%d, %d)", def->id(), def->range()->lower(), def->range()->upper());
for (MUseDefIterator use(def); use; use++) {
if(!AddToWorklist(worklist, use.def()))
return false;
}
}
iters++;
if (iters >= numBlocks * 100)
return false;
}
// Cleanup (in case we stopped due to MAX_ITERS)
for(size_t i = 0; i < worklist.length(); i++)
worklist[i]->setNotInWorklist();
#ifdef DEBUG
for (ReversePostorderIterator block(graph_.rpoBegin()); block != graph_.rpoEnd(); block++) {
for (MDefinitionIterator iter(*block); iter; iter++) {
MDefinition *def = *iter;
SpewRange(def);
JS_ASSERT(def->range()->lower() <= def->range()->upper());
JS_ASSERT(!def->isInWorklist());
}
}
#endif
return true;
}