122 lines
4.9 KiB
C++
122 lines
4.9 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "mlir/Dialect/Affine/IR/AffineOps.h"
|
|
#include "mlir/Dialect/Bufferization/IR/BufferizableOpInterface.h"
|
|
#include "mlir/Dialect/Bufferization/IR/Bufferization.h"
|
|
#include "mlir/Dialect/MemRef/IR/MemRef.h"
|
|
#include "mlir/Dialect/Tensor/IR/Tensor.h"
|
|
#include "mlir/IR/FunctionInterfaces.h"
|
|
#include "mlir/Transforms/InliningUtils.h"
|
|
|
|
using namespace mlir;
|
|
using namespace mlir::bufferization;
|
|
|
|
#include "mlir/Dialect/Bufferization/IR/BufferizationOpsDialect.cpp.inc"
|
|
|
|
/// Attribute name used to mark function arguments who's buffers can be written
|
|
/// to during One-Shot Module Bufferize.
|
|
constexpr const ::llvm::StringLiteral BufferizationDialect::kWritableAttrName;
|
|
|
|
/// Attribute name used to mark the bufferization layout for region arguments
|
|
/// during One-Shot Module Bufferize.
|
|
constexpr const ::llvm::StringLiteral
|
|
BufferizationDialect::kBufferLayoutAttrName;
|
|
|
|
/// Attribute name used to mark escaping behavior of buffer allocations.
|
|
constexpr const ::llvm::StringLiteral BufferizationDialect::kEscapeAttrName;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Bufferization Dialect Interfaces
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
struct BufferizationInlinerInterface : public DialectInlinerInterface {
|
|
using DialectInlinerInterface::DialectInlinerInterface;
|
|
|
|
/// Operations in Bufferization dialect are always legal to inline.
|
|
bool isLegalToInline(Operation *, Region *, bool,
|
|
BlockAndValueMapping &) const final {
|
|
return true;
|
|
}
|
|
};
|
|
} // namespace
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Bufferization Dialect
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void mlir::bufferization::BufferizationDialect::initialize() {
|
|
addOperations<
|
|
#define GET_OP_LIST
|
|
#include "mlir/Dialect/Bufferization/IR/BufferizationOps.cpp.inc"
|
|
>();
|
|
addInterfaces<BufferizationInlinerInterface>();
|
|
}
|
|
|
|
LogicalResult
|
|
BufferizationDialect::verifyOperationAttribute(Operation *op,
|
|
NamedAttribute attr) {
|
|
using bufferization::BufferizableOpInterface;
|
|
|
|
if (attr.getName() == kWritableAttrName) {
|
|
if (!attr.getValue().isa<BoolAttr>()) {
|
|
return op->emitError() << "'" << kWritableAttrName
|
|
<< "' is expected to be a boolean attribute";
|
|
}
|
|
if (!isa<FunctionOpInterface>(op))
|
|
return op->emitError() << "expected " << attr.getName()
|
|
<< " to be used on function-like operations";
|
|
return success();
|
|
}
|
|
if (attr.getName() == kBufferLayoutAttrName) {
|
|
if (!attr.getValue().isa<AffineMapAttr>()) {
|
|
return op->emitError() << "'" << kBufferLayoutAttrName
|
|
<< "' is expected to be a affine map attribute";
|
|
}
|
|
if (!isa<FunctionOpInterface>(op))
|
|
return op->emitError() << "expected " << attr.getName()
|
|
<< " to be used on function-like operations";
|
|
return success();
|
|
}
|
|
if (attr.getName() == kEscapeAttrName) {
|
|
auto arrayAttr = attr.getValue().dyn_cast<ArrayAttr>();
|
|
if (!arrayAttr)
|
|
return op->emitError() << "'" << kEscapeAttrName
|
|
<< "' is expected to be a bool array attribute";
|
|
if (arrayAttr.size() != op->getNumResults())
|
|
return op->emitError()
|
|
<< "'" << kEscapeAttrName
|
|
<< "' has wrong number of elements, expected "
|
|
<< op->getNumResults() << ", got " << arrayAttr.size();
|
|
auto bufferizableOp = dyn_cast<BufferizableOpInterface>(op);
|
|
if (!bufferizableOp)
|
|
return op->emitError()
|
|
<< "'" << kEscapeAttrName << "' only valid on bufferizable ops";
|
|
for (const auto &it : llvm::enumerate(arrayAttr)) {
|
|
auto attr = it.value();
|
|
auto boolAttr = attr.dyn_cast<BoolAttr>();
|
|
if (!boolAttr)
|
|
return op->emitError() << "'" << kEscapeAttrName
|
|
<< "' is expected to be a bool array attribute";
|
|
if (!boolAttr.getValue())
|
|
continue;
|
|
if (!op->getResult(it.index()).getType().isa<TensorType>())
|
|
return op->emitError()
|
|
<< "'" << kEscapeAttrName << "' only valid for tensor results";
|
|
if (!bufferizableOp.bufferizesToAllocation(op->getOpResult(it.index())))
|
|
return op->emitError() << "'" << kEscapeAttrName
|
|
<< "' only valid for allocation results";
|
|
}
|
|
return success();
|
|
}
|
|
|
|
return op->emitError() << "attribute '" << attr.getName()
|
|
<< "' not supported by the bufferization dialect";
|
|
}
|