llvm/llvm/lib/IR/DiagnosticHandler.cpp

//===- DiagnosticHandler.h - DiagnosticHandler class for LLVM -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/DiagnosticHandler.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Regex.h"

usingnamespacellvm;

namespace {

/// Regular expression corresponding to the value given in one of the
/// -pass-remarks* command line flags. Passes whose name matches this regexp
/// will emit a diagnostic when calling the associated diagnostic function
/// (emitOptimizationRemark, emitOptimizationRemarkMissed or
/// emitOptimizationRemarkAnalysis).
struct PassRemarksOpt { … };

static PassRemarksOpt PassRemarksPassedOptLoc;
static PassRemarksOpt PassRemarksMissedOptLoc;
static PassRemarksOpt PassRemarksAnalysisOptLoc;

// -pass-remarks
//    Command line flag to enable emitOptimizationRemark()
static cl::opt<PassRemarksOpt, true, cl::parser<std::string>> PassRemarks(
    "pass-remarks", cl::value_desc("pattern"),
    cl::desc("Enable optimization remarks from passes whose name match "
             "the given regular expression"),
    cl::Hidden, cl::location(PassRemarksPassedOptLoc), cl::ValueRequired);

// -pass-remarks-missed
//    Command line flag to enable emitOptimizationRemarkMissed()
static cl::opt<PassRemarksOpt, true, cl::parser<std::string>> PassRemarksMissed(
    "pass-remarks-missed", cl::value_desc("pattern"),
    cl::desc("Enable missed optimization remarks from passes whose name match "
             "the given regular expression"),
    cl::Hidden, cl::location(PassRemarksMissedOptLoc), cl::ValueRequired);

// -pass-remarks-analysis
//    Command line flag to enable emitOptimizationRemarkAnalysis()
static cl::opt<PassRemarksOpt, true, cl::parser<std::string>>
    PassRemarksAnalysis(
        "pass-remarks-analysis", cl::value_desc("pattern"),
        cl::desc(
            "Enable optimization analysis remarks from passes whose name match "
            "the given regular expression"),
        cl::Hidden, cl::location(PassRemarksAnalysisOptLoc), cl::ValueRequired);
}

bool DiagnosticHandler::isAnalysisRemarkEnabled(StringRef PassName) const { … }
bool DiagnosticHandler::isMissedOptRemarkEnabled(StringRef PassName) const { … }
bool DiagnosticHandler::isPassedOptRemarkEnabled(StringRef PassName) const { … }

bool DiagnosticHandler::isAnyRemarkEnabled() const { … }