llvm-project/llvm/tools/opt/Debugify.h

75 lines
2.6 KiB
C

//===- Debugify.h - Attach synthetic debug info to everything -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// \file Interface to the `debugify` synthetic debug info testing utility.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_OPT_DEBUGIFY_H
#define LLVM_TOOLS_OPT_DEBUGIFY_H
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Support/raw_ostream.h"
llvm::ModulePass *createDebugifyModulePass();
llvm::FunctionPass *createDebugifyFunctionPass();
struct NewPMDebugifyPass : public llvm::PassInfoMixin<NewPMDebugifyPass> {
llvm::PreservedAnalyses run(llvm::Module &M, llvm::ModuleAnalysisManager &AM);
};
/// Track how much `debugify` information has been lost.
struct DebugifyStatistics {
/// Number of missing dbg.values.
unsigned NumDbgValuesMissing = 0;
/// Number of dbg.values expected.
unsigned NumDbgValuesExpected = 0;
/// Number of instructions with empty debug locations.
unsigned NumDbgLocsMissing = 0;
/// Number of instructions expected to have debug locations.
unsigned NumDbgLocsExpected = 0;
/// Get the ratio of missing/expected dbg.values.
float getMissingValueRatio() const {
return float(NumDbgValuesMissing) / float(NumDbgLocsExpected);
}
/// Get the ratio of missing/expected instructions with locations.
float getEmptyLocationRatio() const {
return float(NumDbgLocsMissing) / float(NumDbgLocsExpected);
}
};
/// Map pass names to a per-pass DebugifyStatistics instance.
using DebugifyStatsMap = llvm::MapVector<llvm::StringRef, DebugifyStatistics>;
/// Export per-pass debugify statistics to the file specified by \p Path.
void exportDebugifyStats(llvm::StringRef Path, const DebugifyStatsMap &Map);
llvm::ModulePass *
createCheckDebugifyModulePass(bool Strip = false,
llvm::StringRef NameOfWrappedPass = "",
DebugifyStatsMap *StatsMap = nullptr);
llvm::FunctionPass *
createCheckDebugifyFunctionPass(bool Strip = false,
llvm::StringRef NameOfWrappedPass = "",
DebugifyStatsMap *StatsMap = nullptr);
struct NewPMCheckDebugifyPass
: public llvm::PassInfoMixin<NewPMCheckDebugifyPass> {
llvm::PreservedAnalyses run(llvm::Module &M, llvm::ModuleAnalysisManager &AM);
};
#endif // LLVM_TOOLS_OPT_DEBUGIFY_H