6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
//===-- llvm/Support/Signposts.h - Interval debug annotations ---*- 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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/// \file Some OS's provide profilers that allow applications to provide custom
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/// annotations to the profiler. For example, on Xcode 10 and later 'signposts'
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/// can be emitted by the application and these will be rendered to the Points
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/// of Interest track on the instruments timeline.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_SIGNPOSTS_H
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#define LLVM_SUPPORT_SIGNPOSTS_H
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#include <memory>
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namespace llvm {
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class SignpostEmitterImpl;
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class StringRef;
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/// Manages the emission of signposts into the recording method supported by
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/// the OS.
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class SignpostEmitter {
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std::unique_ptr<SignpostEmitterImpl> Impl;
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public:
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SignpostEmitter();
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~SignpostEmitter();
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bool isEnabled() const;
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/// Begin a signposted interval for a given object.
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void startInterval(const void *O, StringRef Name);
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/// End a signposted interval for a given object.
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void endInterval(const void *O, StringRef Name);
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};
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} // end namespace llvm
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#endif // LLVM_SUPPORT_SIGNPOSTS_H
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