本文整理汇总了C++中Procedure::optLevel方法的典型用法代码示例。如果您正苦于以下问题：C++ Procedure::optLevel方法的具体用法？C++ Procedure::optLevel怎么用？C++ Procedure::optLevel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Procedure的用法示例。
在下文中一共展示了Procedure::optLevel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: generateToAir
void generateToAir(Procedure& procedure)
{
TimingScope timingScope("generateToAir");
if (shouldDumpIR(B3Mode) && !shouldDumpIRAtEachPhase(B3Mode)) {
dataLog("Initial B3:\n");
dataLog(procedure);
}
// We don't require the incoming IR to have predecessors computed.
procedure.resetReachability();
if (shouldValidateIR())
validate(procedure);
if (procedure.optLevel() >= 2) {
reduceDoubleToFloat(procedure);
reduceStrength(procedure);
hoistLoopInvariantValues(procedure);
if (eliminateCommonSubexpressions(procedure))
eliminateCommonSubexpressions(procedure);
inferSwitches(procedure);
if (Options::useB3TailDup())
duplicateTails(procedure);
fixSSA(procedure);
foldPathConstants(procedure);
// FIXME: Add more optimizations here.
// https://bugs.webkit.org/show_bug.cgi?id=150507
} else if (procedure.optLevel() >= 1) {
// FIXME: Explore better "quick mode" optimizations.
reduceStrength(procedure);
}
// This puts the IR in quirks mode.
lowerMacros(procedure);
if (procedure.optLevel() >= 2) {
reduceStrength(procedure);
// FIXME: Add more optimizations here.
// https://bugs.webkit.org/show_bug.cgi?id=150507
}
lowerMacrosAfterOptimizations(procedure);
legalizeMemoryOffsets(procedure);
moveConstants(procedure);
// FIXME: We should run pureCSE here to clean up some platform specific changes from the previous phases.
// https://bugs.webkit.org/show_bug.cgi?id=164873
if (shouldValidateIR())
validate(procedure);
// If we're doing super verbose dumping, the phase scope of any phase will already do a dump.
// Note that lowerToAir() acts like a phase in this regard.
if (shouldDumpIR(B3Mode) && !shouldDumpIRAtEachPhase(B3Mode)) {
dataLog("B3 after ", procedure.lastPhaseName(), ", before generation:\n");
dataLog(procedure);
}
lowerToAir(procedure);
}