llvm/llvm/lib/Transforms/Vectorize/SandboxVectorizer/Passes/BottomUpVec.cpp

//===- BottomUpVec.cpp - A bottom-up vectorizer 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
//
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/Vectorize/SandboxVectorizer/Passes/BottomUpVec.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/SandboxIR/Function.h"
#include "llvm/SandboxIR/Instruction.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Vectorize/SandboxVectorizer/Passes/NullPass.h"

namespace llvm::sandboxir {

static cl::opt<bool>
    PrintPassPipeline("sbvec-print-pass-pipeline", cl::init(false), cl::Hidden,
                      cl::desc("Prints the pass pipeline and returns."));

/// A magic string for the default pass pipeline.
static const char *DefaultPipelineMagicStr = …;

static cl::opt<std::string> UserDefinedPassPipeline(
    "sbvec-passes", cl::init(DefaultPipelineMagicStr), cl::Hidden,
    cl::desc("Comma-separated list of vectorizer passes. If not set "
             "we run the predefined pipeline."));

static std::unique_ptr<RegionPass> createRegionPass(StringRef Name) { … }

BottomUpVec::BottomUpVec() : … { … }

// TODO: This is a temporary function that returns some seeds.
//       Replace this with SeedCollector's function when it lands.
static llvm::SmallVector<Value *, 4> collectSeeds(BasicBlock &BB) { … }

static SmallVector<Value *, 4> getOperand(ArrayRef<Value *> Bndl,
                                          unsigned OpIdx) { … }

void BottomUpVec::vectorizeRec(ArrayRef<Value *> Bndl) { … }

void BottomUpVec::tryVectorize(ArrayRef<Value *> Bndl) { … }

bool BottomUpVec::runOnFunction(Function &F) { … }

} // namespace llvm::sandboxir