blob: d95bd2e6be9da80af0d8a9fc2bbd2b069cc6ce5c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
//===- TGTimer.cpp - TableGen Timer implementation --------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Implement the tablegen timer class.
//
//===----------------------------------------------------------------------===//
#include "llvm/TableGen/TGTimer.h"
using namespace llvm;
// These functions implement the phase timing facility. Starting a timer
// when one is already running stops the running one.
void TGTimer::startTimer(StringRef Name) {
if (!TimingGroup)
return;
if (LastTimer && LastTimer->isRunning()) {
LastTimer->stopTimer();
if (BackendTimer) {
LastTimer->clear();
BackendTimer = false;
}
}
LastTimer = std::make_unique<Timer>("", Name, *TimingGroup);
LastTimer->startTimer();
}
void TGTimer::stopTimer() {
if (!TimingGroup)
return;
assert(LastTimer && "No phase timer was started");
LastTimer->stopTimer();
}
void TGTimer::startBackendTimer(StringRef Name) {
if (!TimingGroup)
return;
startTimer(Name);
BackendTimer = true;
}
void TGTimer::stopBackendTimer() {
if (!TimingGroup || !BackendTimer)
return;
stopTimer();
BackendTimer = false;
}
|
