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//===- 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"
using namespace llvm;
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 {
std::shared_ptr<Regex> Pattern;
void operator=(const std::string &Val) {
// Create a regexp object to match pass names for emitOptimizationRemark.
if (!Val.empty()) {
Pattern = std::make_shared<Regex>(Val);
std::string RegexError;
if (!Pattern->isValid(RegexError))
report_fatal_error(Twine("Invalid regular expression '") + Val +
"' in -pass-remarks: " + RegexError,
false);
}
}
};
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,
cl::ZeroOrMore);
// -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,
cl::ZeroOrMore);
// -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,
cl::ZeroOrMore);
}
bool DiagnosticHandler::isAnalysisRemarkEnabled(StringRef PassName) const {
return (PassRemarksAnalysisOptLoc.Pattern &&
PassRemarksAnalysisOptLoc.Pattern->match(PassName));
}
bool DiagnosticHandler::isMissedOptRemarkEnabled(StringRef PassName) const {
return (PassRemarksMissedOptLoc.Pattern &&
PassRemarksMissedOptLoc.Pattern->match(PassName));
}
bool DiagnosticHandler::isPassedOptRemarkEnabled(StringRef PassName) const {
return (PassRemarksPassedOptLoc.Pattern &&
PassRemarksPassedOptLoc.Pattern->match(PassName));
}
bool DiagnosticHandler::isAnyRemarkEnabled() const {
return (PassRemarksPassedOptLoc.Pattern || PassRemarksMissedOptLoc.Pattern ||
PassRemarksAnalysisOptLoc.Pattern);
}
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