53 lines · cpp
1//===- ComplexToSPIRVPass.cpp - Complex 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 Complex dialect to SPIR-V dialect.10//11//===----------------------------------------------------------------------===//12 13#include "mlir/Conversion/ComplexToSPIRV/ComplexToSPIRVPass.h"14 15#include "mlir/Conversion/ComplexToSPIRV/ComplexToSPIRV.h"16#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"17#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"18 19namespace mlir {20#define GEN_PASS_DEF_CONVERTCOMPLEXTOSPIRVPASS21#include "mlir/Conversion/Passes.h.inc"22} // namespace mlir23 24using namespace mlir;25 26namespace {27/// A pass converting MLIR Complex operations into the SPIR-V dialect.28class ConvertComplexToSPIRVPass29 : public impl::ConvertComplexToSPIRVPassBase<ConvertComplexToSPIRVPass> {30 void runOnOperation() override {31 MLIRContext *context = &getContext();32 Operation *op = getOperation();33 34 auto targetAttr = spirv::lookupTargetEnvOrDefault(op);35 std::unique_ptr<ConversionTarget> target =36 SPIRVConversionTarget::get(targetAttr);37 38 SPIRVConversionOptions options;39 SPIRVTypeConverter typeConverter(targetAttr, options);40 41 // Use UnrealizedConversionCast as the bridge so that we don't need to pull42 // in patterns for other dialects.43 target->addLegalOp<UnrealizedConversionCastOp>();44 45 RewritePatternSet patterns(context);46 populateComplexToSPIRVPatterns(typeConverter, patterns);47 48 if (failed(applyPartialConversion(op, *target, std::move(patterns))))49 return signalPassFailure();50 }51};52} // namespace53