Files
clang-p2996/mlir/lib/Conversion/MemRefToEmitC/MemRefToEmitCPass.cpp
Matthias Gehre 0aa6d57e57 [MLIR] Add initial convert-memref-to-emitc pass (#85389)
This converts `memref.alloca`, `memref.load` & `memref.store` to
`emitc.variable`, `emitc.subscript` and `emitc.assign`.
2024-03-21 14:27:37 +01:00

56 lines
1.8 KiB
C++

//===- MemRefToEmitC.cpp - MemRef to EmitC conversion ---------------------===//
//
// 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 a pass to convert memref ops into emitc ops.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/MemRefToEmitC/MemRefToEmitCPass.h"
#include "mlir/Conversion/MemRefToEmitC/MemRefToEmitC.h"
#include "mlir/Dialect/EmitC/IR/EmitC.h"
#include "mlir/Dialect/MemRef/IR/MemRef.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Transforms/DialectConversion.h"
namespace mlir {
#define GEN_PASS_DEF_CONVERTMEMREFTOEMITC
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
namespace {
struct ConvertMemRefToEmitCPass
: public impl::ConvertMemRefToEmitCBase<ConvertMemRefToEmitCPass> {
void runOnOperation() override {
TypeConverter converter;
// Fallback for other types.
converter.addConversion([](Type type) -> std::optional<Type> {
if (isa<MemRefType>(type))
return {};
return type;
});
populateMemRefToEmitCTypeConversion(converter);
RewritePatternSet patterns(&getContext());
populateMemRefToEmitCConversionPatterns(patterns, converter);
ConversionTarget target(getContext());
target.addIllegalDialect<memref::MemRefDialect>();
target.addLegalDialect<emitc::EmitCDialect>();
if (failed(applyPartialConversion(getOperation(), target,
std::move(patterns))))
return signalPassFailure();
}
};
} // namespace