llvm/llvm/lib/CodeGen/ExpandReductions.cpp

//===- ExpandReductions.cpp - Expand reduction intrinsics -----------------===//
//
// 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 pass implements IR expansion for reduction intrinsics, allowing targets
// to enable the intrinsics until just before codegen.
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/ExpandReductions.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Utils/LoopUtils.h"

usingnamespacellvm;

namespace {

bool expandReductions(Function &F, const TargetTransformInfo *TTI) { … }

class ExpandReductions : public FunctionPass { … };
}

char ExpandReductions::ID;
INITIALIZE_PASS_BEGIN(ExpandReductions, "expand-reductions",
                      "Expand reduction intrinsics", false, false)
INITIALIZE_PASS_DEPENDENCY(TargetTransformInfoWrapperPass)
INITIALIZE_PASS_END(ExpandReductions, "expand-reductions",
                    "Expand reduction intrinsics", false, false)

FunctionPass *llvm::createExpandReductionsPass() { … }

PreservedAnalyses ExpandReductionsPass::run(Function &F,
                                            FunctionAnalysisManager &AM) { … }