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//===-- WebAssemblySelectionDAGInfo.cpp - WebAssembly SelectionDAG Info ---===//
//
// 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 file implements the WebAssemblySelectionDAGInfo class.
///
//===----------------------------------------------------------------------===//
#include "WebAssemblyTargetMachine.h"
using namespace llvm;
#define DEBUG_TYPE "wasm-selectiondag-info"
WebAssemblySelectionDAGInfo::~WebAssemblySelectionDAGInfo() = default; // anchor
SDValue WebAssemblySelectionDAGInfo::EmitTargetCodeForMemcpy(
SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Op1, SDValue Op2,
SDValue Op3, unsigned Align, bool IsVolatile, bool AlwaysInline,
MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const {
if (!DAG.getMachineFunction()
.getSubtarget<WebAssemblySubtarget>()
.hasBulkMemory())
return SDValue();
return DAG.getNode(WebAssemblyISD::MEMORY_COPY, DL, MVT::Other, Chain, Op1,
Op2, Op3);
}
SDValue WebAssemblySelectionDAGInfo::EmitTargetCodeForMemmove(
SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Op1, SDValue Op2,
SDValue Op3, unsigned Align, bool IsVolatile,
MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const {
return EmitTargetCodeForMemcpy(DAG, DL, Chain, Op1, Op2, Op3, Align,
IsVolatile, false, DstPtrInfo,
SrcPtrInfo);
}
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