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
19namespace mlir {
20#define GEN_PASS_DEF_CONVERTCOMPLEXTOSPIRVPASS
21#include "mlir/Conversion/Passes.h.inc"
22} // namespace mlir
23
24using namespace mlir;
25
26namespace {
27/// A pass converting MLIR Complex operations into the SPIR-V dialect.
28class ConvertComplexToSPIRVPass
29 : 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 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

source code of mlir/lib/Conversion/ComplexToSPIRV/ComplexToSPIRVPass.cpp