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14e47fc8be
Currently we have -Rpass for filtering the remarks that are displayed as diagnostics, but when using -fsave-optimization-record, there is no way to filter the remarks while generating them. This adds support for filtering remarks by passes using a regex. Ex: `clang -fsave-optimization-record -foptimization-record-passes=inline` will only emit the remarks coming from the pass `inline`. This adds: * `-fsave-optimization-record` to the driver * `-opt-record-passes` to cc1 * `-lto-pass-remarks-filter` to the LTOCodeGenerator * `--opt-remarks-passes` to lld * `-pass-remarks-filter` to llc, opt, llvm-lto, llvm-lto2 * `-opt-remarks-passes` to gold-plugin Differential Revision: https://reviews.llvm.org/D59268 Original llvm-svn: 355964 llvm-svn: 355984
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
//===- llvm/IR/RemarkStreamer.cpp - Remark Streamer -*- 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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// This file contains the implementation of the remark outputting as part of
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// LLVMContext.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/RemarkStreamer.h"
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using namespace llvm;
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RemarkStreamer::RemarkStreamer(StringRef Filename, raw_ostream &OS)
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: Filename(Filename), OS(OS),
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YAMLOutput(OS, reinterpret_cast<void *>(this)) {
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assert(!Filename.empty() && "This needs to be a real filename.");
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}
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Error RemarkStreamer::setFilter(StringRef Filter) {
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Regex R = Regex(Filter);
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std::string RegexError;
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if (!R.isValid(RegexError))
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return createStringError(std::make_error_code(std::errc::invalid_argument),
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RegexError.data());
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PassFilter = std::move(R);
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return Error::success();
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}
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void RemarkStreamer::emit(const DiagnosticInfoOptimizationBase &Diag) {
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if (Optional<Regex> &Filter = PassFilter)
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if (!Filter->match(Diag.getPassName()))
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return;
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DiagnosticInfoOptimizationBase *DiagPtr =
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const_cast<DiagnosticInfoOptimizationBase *>(&Diag);
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YAMLOutput << DiagPtr;
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}
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