d883ef1076
Factor out the timer related functionality from `RecordKeeper` to a new `TGTimer` class in a new file.
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
//===- TGTimer.cpp - TableGen Timer implementation --------------*- C++ -*-===//
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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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// Implement the tablegen timer class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/TableGen/TGTimer.h"
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using namespace llvm;
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// These functions implement the phase timing facility. Starting a timer
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// when one is already running stops the running one.
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void TGTimer::startTimer(StringRef Name) {
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if (!TimingGroup)
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return;
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if (LastTimer && LastTimer->isRunning()) {
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LastTimer->stopTimer();
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if (BackendTimer) {
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LastTimer->clear();
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BackendTimer = false;
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}
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}
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LastTimer = std::make_unique<Timer>("", Name, *TimingGroup);
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LastTimer->startTimer();
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}
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void TGTimer::stopTimer() {
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if (!TimingGroup)
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return;
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assert(LastTimer && "No phase timer was started");
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LastTimer->stopTimer();
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}
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void TGTimer::startBackendTimer(StringRef Name) {
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if (!TimingGroup)
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return;
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startTimer(Name);
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BackendTimer = true;
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}
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void TGTimer::stopBackendTimer() {
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if (!TimingGroup || !BackendTimer)
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return;
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stopTimer();
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BackendTimer = false;
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}
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