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-exception 6 // 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 19 namespace mlir { 20 #define GEN_PASS_DEF_CONVERTCOMPLEXTOSPIRVPASS 21 #include "mlir/Conversion/Passes.h.inc" 22 } // namespace mlir 23 24 using namespace mlir; 25 26 namespace { 27 /// A pass converting MLIR Complex operations into the SPIR-V dialect. 28 class ConvertComplexToSPIRVPass 29 : public impl::ConvertComplexToSPIRVPassBase<ConvertComplexToSPIRVPass> { runOnOperation()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 pull 42 // 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 } // namespace 53