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//===- LinalgToLLVM.cpp - conversion from Linalg to LLVM 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
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/LinalgToLLVM/LinalgToLLVM.h"
#include "../PassDetail.h"
#include "mlir/Conversion/AffineToStandard/AffineToStandard.h"
#include "mlir/Conversion/LLVMCommon/ConversionTarget.h"
#include "mlir/Conversion/LLVMCommon/Pattern.h"
#include "mlir/Conversion/LLVMCommon/TypeConverter.h"
#include "mlir/Conversion/MemRefToLLVM/MemRefToLLVM.h"
#include "mlir/Conversion/SCFToControlFlow/SCFToControlFlow.h"
#include "mlir/Conversion/VectorToLLVM/ConvertVectorToLLVM.h"
#include "mlir/Conversion/VectorToSCF/VectorToSCF.h"
#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
#include "mlir/Dialect/Linalg/IR/Linalg.h"
#include "mlir/Dialect/Linalg/Passes.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/IR/AffineExpr.h"
#include "mlir/IR/AffineMap.h"
#include "mlir/IR/Attributes.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/IR/MLIRContext.h"
#include "mlir/IR/Operation.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/IR/Types.h"
#include "mlir/Support/LogicalResult.h"
#include "mlir/Transforms/DialectConversion.h"
#include "mlir/Transforms/Passes.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/ErrorHandling.h"
using namespace mlir;
using namespace mlir::LLVM;
using namespace mlir::linalg;
template <typename T>
static Type getPtrToElementType(T containerType, LLVMTypeConverter &lowering) {
return LLVMPointerType::get(
lowering.convertType(containerType.getElementType()));
}
namespace {
// YieldOp produces and LLVM::ReturnOp.
class YieldOpConversion : public ConvertOpToLLVMPattern<linalg::YieldOp> {
public:
using ConvertOpToLLVMPattern<linalg::YieldOp>::ConvertOpToLLVMPattern;
LogicalResult
matchAndRewrite(linalg::YieldOp op, OpAdaptor adaptor,
ConversionPatternRewriter &rewriter) const override {
rewriter.replaceOpWithNewOp<LLVM::ReturnOp>(op, adaptor.getOperands());
return success();
}
};
} // namespace
/// Populate the given list with patterns that convert from Linalg to LLVM.
void mlir::populateLinalgToLLVMConversionPatterns(LLVMTypeConverter &converter,
RewritePatternSet &patterns) {
patterns.add<YieldOpConversion>(converter);
}
namespace {
struct ConvertLinalgToLLVMPass
: public ConvertLinalgToLLVMBase<ConvertLinalgToLLVMPass> {
void runOnOperation() override;
};
} // namespace
void ConvertLinalgToLLVMPass::runOnOperation() {
auto module = getOperation();
// Convert to the LLVM IR dialect using the converter defined above.
RewritePatternSet patterns(&getContext());
LLVMTypeConverter converter(&getContext());
populateLinalgToLLVMConversionPatterns(converter, patterns);
populateMemRefToLLVMConversionPatterns(converter, patterns);
LLVMConversionTarget target(getContext());
target.addLegalOp<ModuleOp>();
if (failed(applyPartialConversion(module, target, std::move(patterns))))
signalPassFailure();
}
std::unique_ptr<OperationPass<ModuleOp>> mlir::createConvertLinalgToLLVMPass() {
return std::make_unique<ConvertLinalgToLLVMPass>();
}
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