129 lines
4.8 KiB
C++
129 lines
4.8 KiB
C++
//===- ValueBoundsOpInterfaceImpl.cpp - Impl. of ValueBoundsOpInterface ---===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.h"
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#include "mlir/Dialect/MemRef/IR/MemRef.h"
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#include "mlir/Interfaces/ValueBoundsOpInterface.h"
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using namespace mlir;
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namespace mlir {
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namespace memref {
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namespace {
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template <typename OpTy>
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struct AllocOpInterface
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: public ValueBoundsOpInterface::ExternalModel<AllocOpInterface<OpTy>,
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OpTy> {
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void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
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ValueBoundsConstraintSet &cstr) const {
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auto allocOp = cast<OpTy>(op);
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assert(value == allocOp.getResult() && "invalid value");
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cstr.bound(value)[dim] == allocOp.getMixedSizes()[dim];
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}
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};
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struct CastOpInterface
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: public ValueBoundsOpInterface::ExternalModel<CastOpInterface, CastOp> {
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void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
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ValueBoundsConstraintSet &cstr) const {
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auto castOp = cast<CastOp>(op);
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assert(value == castOp.getResult() && "invalid value");
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if (llvm::isa<MemRefType>(castOp.getResult().getType()) &&
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llvm::isa<MemRefType>(castOp.getSource().getType())) {
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cstr.bound(value)[dim] == cstr.getExpr(castOp.getSource(), dim);
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}
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}
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};
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struct DimOpInterface
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: public ValueBoundsOpInterface::ExternalModel<DimOpInterface, DimOp> {
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void populateBoundsForIndexValue(Operation *op, Value value,
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ValueBoundsConstraintSet &cstr) const {
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auto dimOp = cast<DimOp>(op);
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assert(value == dimOp.getResult() && "invalid value");
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auto constIndex = dimOp.getConstantIndex();
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if (!constIndex.has_value())
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return;
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cstr.bound(value) == cstr.getExpr(dimOp.getSource(), *constIndex);
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}
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};
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struct GetGlobalOpInterface
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: public ValueBoundsOpInterface::ExternalModel<GetGlobalOpInterface,
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GetGlobalOp> {
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void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
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ValueBoundsConstraintSet &cstr) const {
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auto getGlobalOp = cast<GetGlobalOp>(op);
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assert(value == getGlobalOp.getResult() && "invalid value");
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auto type = getGlobalOp.getType();
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assert(!type.isDynamicDim(dim) && "expected static dim");
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cstr.bound(value)[dim] == type.getDimSize(dim);
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}
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};
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struct RankOpInterface
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: public ValueBoundsOpInterface::ExternalModel<RankOpInterface, RankOp> {
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void populateBoundsForIndexValue(Operation *op, Value value,
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ValueBoundsConstraintSet &cstr) const {
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auto rankOp = cast<RankOp>(op);
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assert(value == rankOp.getResult() && "invalid value");
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auto memrefType = llvm::dyn_cast<MemRefType>(rankOp.getMemref().getType());
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if (!memrefType)
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return;
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cstr.bound(value) == memrefType.getRank();
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}
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};
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struct SubViewOpInterface
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: public ValueBoundsOpInterface::ExternalModel<SubViewOpInterface,
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SubViewOp> {
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void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
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ValueBoundsConstraintSet &cstr) const {
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auto subViewOp = cast<SubViewOp>(op);
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assert(value == subViewOp.getResult() && "invalid value");
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llvm::SmallBitVector dropped = subViewOp.getDroppedDims();
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int64_t ctr = -1;
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for (int64_t i = 0, e = subViewOp.getMixedSizes().size(); i < e; ++i) {
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// Skip over rank-reduced dimensions.
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if (!dropped.test(i))
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++ctr;
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if (ctr == dim) {
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cstr.bound(value)[dim] == subViewOp.getMixedSizes()[i];
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return;
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}
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}
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llvm_unreachable("could not find non-rank-reduced dim");
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}
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};
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} // namespace
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} // namespace memref
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} // namespace mlir
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void mlir::memref::registerValueBoundsOpInterfaceExternalModels(
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DialectRegistry ®istry) {
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registry.addExtension(+[](MLIRContext *ctx, memref::MemRefDialect *dialect) {
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memref::AllocOp::attachInterface<memref::AllocOpInterface<memref::AllocOp>>(
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*ctx);
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memref::AllocaOp::attachInterface<
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memref::AllocOpInterface<memref::AllocaOp>>(*ctx);
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memref::CastOp::attachInterface<memref::CastOpInterface>(*ctx);
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memref::DimOp::attachInterface<memref::DimOpInterface>(*ctx);
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memref::GetGlobalOp::attachInterface<memref::GetGlobalOpInterface>(*ctx);
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memref::RankOp::attachInterface<memref::RankOpInterface>(*ctx);
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memref::SubViewOp::attachInterface<memref::SubViewOpInterface>(*ctx);
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});
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}
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