llvm/llvm/tools/llvm-reduce/deltas/ReduceOperandBundles.cpp

//===- ReduceOperandBundes.cpp - Specialized Delta Pass -------------------===//
//
// 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 implements a function which calls the Generic Delta pass in order
// to reduce uninteresting operand bundes from calls.
//
//===----------------------------------------------------------------------===//

#include "ReduceOperandBundles.h"
#include "Delta.h"
#include "TestRunner.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Sequence.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <iterator>
#include <vector>

namespace llvm {
class Module;
} // namespace llvm

usingnamespacellvm;

namespace {

/// Given ChunksToKeep, produce a map of calls and indexes of operand bundles
/// to be preserved for each call.
class OperandBundleRemapper : public InstVisitor<OperandBundleRemapper> { … };

struct OperandBundleCounter : public InstVisitor<OperandBundleCounter> { … };

} // namespace

static void maybeRewriteCallWithDifferentBundles(
    CallBase *OrigCall, ArrayRef<unsigned> OperandBundlesToKeepIndexes) { … }

/// Removes out-of-chunk operand bundles from calls.
static void extractOperandBundesFromModule(Oracle &O,
                                           ReducerWorkItem &WorkItem) { … }

void llvm::reduceOperandBundesDeltaPass(TestRunner &Test) { … }