本文整理汇总了C++中InlineCost::getThreshold方法的典型用法代码示例。如果您正苦于以下问题：C++ InlineCost::getThreshold方法的具体用法？C++ InlineCost::getThreshold怎么用？C++ InlineCost::getThreshold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InlineCost的用法示例。
在下文中一共展示了InlineCost::getThreshold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: OptimizationRemarkMissed
/// Return the cost only if the inliner should attempt to inline at the given
/// CallSite. If we return the cost, we will emit an optimisation remark later
/// using that cost, so we won't do so from this function.
static Optional<InlineCost>
shouldInline(CallSite CS, function_ref<InlineCost(CallSite CS)> GetInlineCost,
OptimizationRemarkEmitter &ORE) {
using namespace ore;
InlineCost IC = GetInlineCost(CS);
Instruction *Call = CS.getInstruction();
Function *Callee = CS.getCalledFunction();
Function *Caller = CS.getCaller();
if (IC.isAlways()) {
LLVM_DEBUG(dbgs() << " Inlining: cost=always"
<< ", Call: " << *CS.getInstruction() << "\n");
return IC;
}
if (IC.isNever()) {
LLVM_DEBUG(dbgs() << " NOT Inlining: cost=never"
<< ", Call: " << *CS.getInstruction() << "\n");
ORE.emit([&]() {
return OptimizationRemarkMissed(DEBUG_TYPE, "NeverInline", Call)
<< NV("Callee", Callee) << " not inlined into "
<< NV("Caller", Caller)
<< " because it should never be inlined (cost=never)";
});
return None;
}
if (!IC) {
LLVM_DEBUG(dbgs() << " NOT Inlining: cost=" << IC.getCost()
<< ", thres=" << IC.getThreshold()
<< ", Call: " << *CS.getInstruction() << "\n");
ORE.emit([&]() {
return OptimizationRemarkMissed(DEBUG_TYPE, "TooCostly", Call)
<< NV("Callee", Callee) << " not inlined into "
<< NV("Caller", Caller) << " because too costly to inline (cost="
<< NV("Cost", IC.getCost())
<< ", threshold=" << NV("Threshold", IC.getThreshold()) << ")";
});
return None;
}
int TotalSecondaryCost = 0;
if (shouldBeDeferred(Caller, CS, IC, TotalSecondaryCost, GetInlineCost)) {
LLVM_DEBUG(dbgs() << " NOT Inlining: " << *CS.getInstruction()
<< " Cost = " << IC.getCost()
<< ", outer Cost = " << TotalSecondaryCost << '\n');
ORE.emit([&]() {
return OptimizationRemarkMissed(DEBUG_TYPE, "IncreaseCostInOtherContexts",
Call)
<< "Not inlining. Cost of inlining " << NV("Callee", Callee)
<< " increases the cost of inlining " << NV("Caller", Caller)
<< " in other contexts";
});
// IC does not bool() to false, so get an InlineCost that will.
// This will not be inspected to make an error message.
return None;
}
LLVM_DEBUG(dbgs() << " Inlining: cost=" << IC.getCost()
<< ", thres=" << IC.getThreshold()
<< ", Call: " << *CS.getInstruction() << '\n');
return IC;
}