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ede600377c
(Reapply after revert in e9ce1a588030d8d4004f5d7e443afe46245e9a92 due to Fuchsia test failures. Removed changes in lib/ExecutionEngine/ other than error categories, to be checked in more detail and reapplied separately.) Bulk remove many of the more trivial uses of ManagedStatic in the llvm directory, either by defining a new getter function or, in many cases, moving the static variable directly into the only function that uses it. Differential Revision: https://reviews.llvm.org/D129120
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
//===- llvm/IR/OptBisect/Bisect.cpp - LLVM Bisect support -----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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/// This file implements support for a bisecting optimizations based on a
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/// command line option.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/OptBisect.h"
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#include "llvm/Pass.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cassert>
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using namespace llvm;
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static cl::opt<int> OptBisectLimit("opt-bisect-limit", cl::Hidden,
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cl::init(OptBisect::Disabled), cl::Optional,
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cl::cb<void, int>([](int Limit) {
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llvm::getOptBisector().setLimit(Limit);
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}),
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cl::desc("Maximum optimization to perform"));
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static void printPassMessage(const StringRef &Name, int PassNum,
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StringRef TargetDesc, bool Running) {
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StringRef Status = Running ? "" : "NOT ";
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errs() << "BISECT: " << Status << "running pass "
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<< "(" << PassNum << ") " << Name << " on " << TargetDesc << "\n";
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}
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bool OptBisect::shouldRunPass(const Pass *P, StringRef IRDescription) {
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assert(isEnabled());
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return checkPass(P->getPassName(), IRDescription);
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}
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bool OptBisect::checkPass(const StringRef PassName,
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const StringRef TargetDesc) {
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assert(isEnabled());
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int CurBisectNum = ++LastBisectNum;
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bool ShouldRun = (BisectLimit == -1 || CurBisectNum <= BisectLimit);
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printPassMessage(PassName, CurBisectNum, TargetDesc, ShouldRun);
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return ShouldRun;
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}
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const int OptBisect::Disabled;
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OptBisect &llvm::getOptBisector() {
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static OptBisect OptBisector;
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return OptBisector;
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}
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