60 lines · cpp
1//===- SCFToSPIRVPass.cpp - SCF to SPIR-V Passes --------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file implements a pass to convert SCF dialect into SPIR-V dialect.10//11//===----------------------------------------------------------------------===//12 13#include "mlir/Conversion/SCFToSPIRV/SCFToSPIRVPass.h"14 15#include "mlir/Conversion/ArithToSPIRV/ArithToSPIRV.h"16#include "mlir/Conversion/FuncToSPIRV/FuncToSPIRV.h"17#include "mlir/Conversion/IndexToSPIRV/IndexToSPIRV.h"18#include "mlir/Conversion/MemRefToSPIRV/MemRefToSPIRV.h"19#include "mlir/Conversion/SCFToSPIRV/SCFToSPIRV.h"20#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"21#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"22 23namespace mlir {24#define GEN_PASS_DEF_SCFTOSPIRV25#include "mlir/Conversion/Passes.h.inc"26} // namespace mlir27 28using namespace mlir;29 30namespace {31struct SCFToSPIRVPass : public impl::SCFToSPIRVBase<SCFToSPIRVPass> {32 void runOnOperation() override;33};34} // namespace35 36void SCFToSPIRVPass::runOnOperation() {37 MLIRContext *context = &getContext();38 Operation *op = getOperation();39 40 auto targetAttr = spirv::lookupTargetEnvOrDefault(op);41 std::unique_ptr<ConversionTarget> target =42 SPIRVConversionTarget::get(targetAttr);43 44 SPIRVTypeConverter typeConverter(targetAttr);45 ScfToSPIRVContext scfContext;46 RewritePatternSet patterns(context);47 populateSCFToSPIRVPatterns(typeConverter, scfContext, patterns);48 49 // TODO: Change SPIR-V conversion to be progressive and remove the following50 // patterns.51 mlir::arith::populateArithToSPIRVPatterns(typeConverter, patterns);52 populateFuncToSPIRVPatterns(typeConverter, patterns);53 populateMemRefToSPIRVPatterns(typeConverter, patterns);54 populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns);55 index::populateIndexToSPIRVPatterns(typeConverter, patterns);56 57 if (failed(applyPartialConversion(op, *target, std::move(patterns))))58 return signalPassFailure();59}60