llvm-project/llvm/lib/IR/RemarkStreamer.cpp

43 lines
1.4 KiB
C++

//===- llvm/IR/RemarkStreamer.cpp - Remark Streamer -*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the implementation of the remark outputting as part of
// LLVMContext.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/RemarkStreamer.h"
using namespace llvm;
RemarkStreamer::RemarkStreamer(StringRef Filename, raw_ostream &OS)
: Filename(Filename), OS(OS),
YAMLOutput(OS, reinterpret_cast<void *>(this)) {
assert(!Filename.empty() && "This needs to be a real filename.");
}
Error RemarkStreamer::setFilter(StringRef Filter) {
Regex R = Regex(Filter);
std::string RegexError;
if (!R.isValid(RegexError))
return createStringError(std::make_error_code(std::errc::invalid_argument),
RegexError.data());
PassFilter = std::move(R);
return Error::success();
}
void RemarkStreamer::emit(const DiagnosticInfoOptimizationBase &Diag) {
if (Optional<Regex> &Filter = PassFilter)
if (!Filter->match(Diag.getPassName()))
return;
DiagnosticInfoOptimizationBase *DiagPtr =
const_cast<DiagnosticInfoOptimizationBase *>(&Diag);
YAMLOutput << DiagPtr;
}