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| //===- StandardInstrumentations.h ------------------------------*- 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
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This header defines a class that provides bookkeeping for all standard
/// (i.e in-tree) pass instrumentations.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_PASSES_STANDARDINSTRUMENTATIONS_H
#define LLVM_PASSES_STANDARDINSTRUMENTATIONS_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/PassInstrumentation.h"
#include "llvm/IR/PassTimingInfo.h"
#include <string>
#include <utility>
namespace llvm {
class Module;
/// Instrumentation to print IR before/after passes.
///
/// Needs state to be able to print module after pass that invalidates IR unit
/// (typically Loop or SCC).
class PrintIRInstrumentation {
public:
PrintIRInstrumentation() = default;
~PrintIRInstrumentation();
void registerCallbacks(PassInstrumentationCallbacks &PIC);
private:
bool printBeforePass(StringRef PassID, Any IR);
void printAfterPass(StringRef PassID, Any IR);
void printAfterPassInvalidated(StringRef PassID);
using PrintModuleDesc = std::tuple<const Module *, std::string, StringRef>;
void pushModuleDesc(StringRef PassID, Any IR);
PrintModuleDesc popModuleDesc(StringRef PassID);
/// Stack of Module description, enough to print the module after a given
/// pass.
SmallVector<PrintModuleDesc, 2> ModuleDescStack;
bool StoreModuleDesc = false;
};
/// This class provides an interface to register all the standard pass
/// instrumentations and manages their state (if any).
class StandardInstrumentations {
PrintIRInstrumentation PrintIR;
TimePassesHandler TimePasses;
public:
StandardInstrumentations() = default;
void registerCallbacks(PassInstrumentationCallbacks &PIC);
TimePassesHandler &getTimePasses() { return TimePasses; }
};
} // namespace llvm
#endif
|