308571074c
This is an artifact from merging MLIR into LLVM, the file headers are now aligned with the rest of the project.
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
//===- Helpers.cpp - MLIR Declarative Helper Functionality ----------------===//
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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/EDSC/Helpers.h"
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#include "mlir/Dialect/StandardOps/Ops.h"
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#include "mlir/IR/AffineExpr.h"
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using namespace mlir;
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using namespace mlir::edsc;
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static SmallVector<ValueHandle, 8> getMemRefSizes(Value memRef) {
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MemRefType memRefType = memRef.getType().cast<MemRefType>();
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assert(isStrided(memRefType) && "Expected strided MemRef type");
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SmallVector<ValueHandle, 8> res;
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res.reserve(memRefType.getShape().size());
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const auto &shape = memRefType.getShape();
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for (unsigned idx = 0, n = shape.size(); idx < n; ++idx) {
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if (shape[idx] == -1) {
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res.push_back(ValueHandle::create<DimOp>(memRef, idx));
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} else {
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res.push_back(static_cast<index_type>(shape[idx]));
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}
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}
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return res;
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}
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mlir::edsc::MemRefView::MemRefView(Value v) : base(v) {
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assert(v.getType().isa<MemRefType>() && "MemRefType expected");
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auto memrefSizeValues = getMemRefSizes(v);
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for (auto &size : memrefSizeValues) {
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lbs.push_back(static_cast<index_type>(0));
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ubs.push_back(size);
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steps.push_back(1);
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}
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}
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mlir::edsc::VectorView::VectorView(Value v) : base(v) {
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auto vectorType = v.getType().cast<VectorType>();
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for (auto s : vectorType.getShape()) {
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lbs.push_back(static_cast<index_type>(0));
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ubs.push_back(static_cast<index_type>(s));
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steps.push_back(1);
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}
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}
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