Jie Fu 7707ed9727 [mlir] Fix two build warnings (NFC)
/data/llvm-project/mlir/lib/Dialect/Tensor/Utils/Utils.cpp:62:11: error: comparison of integers of different signs: 'int64_t' (aka 'long') and 'size_t' (aka 'unsigned long') [-Werror,-Wsign-compare]
  if (dim >= shape.size())
      ~~~ ^  ~~~~~~~~~~~~
1 error generated.

/data/llvm-project/mlir/lib/Dialect/Tensor/IR/TensorTilingInterfaceImpl.cpp:484:8: error: unused variable 'appendIndex' [-Werror,-Wunused-variable]
  auto appendIndex = [&](Value val, SmallVector<Value> &dynIndices,
       ^
1 error generated.
2023-03-15 12:07:25 +08:00

102 lines
4.0 KiB
C++

//===- Utils.cpp - Utilities to support the Tensor dialect ----------------===//
//
// 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 file implements utilities for the Tensor dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Tensor/Utils/Utils.h"
#include "mlir/Dialect/Affine/IR/AffineOps.h"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Utils/IndexingUtils.h"
using namespace mlir;
using namespace mlir::tensor;
PadOp mlir::tensor::createPadHighOp(RankedTensorType type, Value source,
Value pad, bool nofold, Location loc,
OpBuilder &b) {
auto zero = b.createOrFold<arith::ConstantIndexOp>(loc, 0);
SmallVector<OpFoldResult> low(type.getRank(), zero);
SmallVector<OpFoldResult> high(type.getRank(), zero);
for (const auto &en : enumerate(type.getShape())) {
// Pad only the static dimensions of the result tensor type.
if (ShapedType::isDynamic(en.value()))
continue;
// Compute the padding width.
AffineExpr d0;
bindDims(b.getContext(), d0);
auto dimOp = b.createOrFold<tensor::DimOp>(loc, source, en.index());
high[en.index()] =
makeComposedAffineApply(b, loc, en.value() - d0, {dimOp}).getResult();
}
return b.create<PadOp>(loc, type, source, low, high, pad, nofold);
}
SmallVector<Value> mlir::tensor::createDynamicDimValues(OpBuilder &b,
Location loc,
Value rankedTensor) {
auto tensorTy = rankedTensor.getType().cast<RankedTensorType>();
SmallVector<Value> dynamicDims;
for (const auto &en : llvm::enumerate(tensorTy.getShape())) {
if (en.value() == ShapedType::kDynamic)
dynamicDims.push_back(
b.create<tensor::DimOp>(loc, rankedTensor, en.index()));
}
return dynamicDims;
}
FailureOr<OpFoldResult> mlir::tensor::createDimValue(OpBuilder &b, Location loc,
Value rankedTensor,
int64_t dim) {
auto tensorTy = rankedTensor.getType().dyn_cast<RankedTensorType>();
if (!tensorTy)
return failure();
auto shape = tensorTy.getShape();
if (dim >= static_cast<int64_t>(shape.size()))
return failure();
if (ShapedType::isDynamic(shape[dim]))
return OpFoldResult(b.createOrFold<tensor::DimOp>(loc, rankedTensor, dim));
return OpFoldResult(b.getIndexAttr(shape[dim]));
}
SmallVector<OpFoldResult>
mlir::tensor::createDimValues(OpBuilder &b, Location loc, Value rankedTensor) {
auto tensorTy = rankedTensor.getType().cast<RankedTensorType>();
SmallVector<OpFoldResult> dims;
for (const auto &en : llvm::enumerate(tensorTy.getShape())) {
if (ShapedType::isDynamic(en.value())) {
dims.push_back(
b.createOrFold<tensor::DimOp>(loc, rankedTensor, en.index()));
} else {
dims.push_back(b.getIndexAttr(en.value()));
}
}
return dims;
}
FailureOr<RankedTensorType>
mlir::tensor::computeTransposedType(RankedTensorType rankedTensorType,
ArrayRef<int64_t> transposeVector) {
if (transposeVector.empty())
return rankedTensorType;
if (!isPermutationVector(transposeVector) ||
transposeVector.size() != static_cast<size_t>(rankedTensorType.getRank()))
return failure();
SmallVector<int64_t> transposedShape(rankedTensorType.getShape().begin(),
rankedTensorType.getShape().end());
applyPermutationToVector(transposedShape, transposeVector);
using RTTBuilder = RankedTensorType::Builder;
RankedTensorType transposedTensorType =
RTTBuilder(rankedTensorType).setShape(transposedShape);
return transposedTensorType;
}