73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//===- SPIRVToLLVMPass.cpp - SPIR-V to LLVM Passes ------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a pass to convert MLIR SPIR-V ops into LLVM ops
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Conversion/SPIRVToLLVM/SPIRVToLLVMPass.h"
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#include "mlir/Conversion/LLVMCommon/TypeConverter.h"
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#include "mlir/Conversion/SPIRVToLLVM/SPIRVToLLVM.h"
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#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
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#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
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#include "mlir/Dialect/SPIRV/IR/SPIRVEnums.h"
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#include "mlir/Pass/Pass.h"
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namespace mlir {
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#define GEN_PASS_DEF_CONVERTSPIRVTOLLVMPASS
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#include "mlir/Conversion/Passes.h.inc"
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} // namespace mlir
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using namespace mlir;
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namespace {
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/// A pass converting MLIR SPIR-V operations into LLVM dialect.
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class ConvertSPIRVToLLVMPass
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: public impl::ConvertSPIRVToLLVMPassBase<ConvertSPIRVToLLVMPass> {
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void runOnOperation() override;
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public:
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using Base::Base;
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};
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} // namespace
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void ConvertSPIRVToLLVMPass::runOnOperation() {
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MLIRContext *context = &getContext();
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ModuleOp module = getOperation();
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LowerToLLVMOptions options(&getContext());
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LLVMTypeConverter converter(&getContext(), options);
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// Encode global variable's descriptor set and binding if they exist.
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encodeBindAttribute(module);
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RewritePatternSet patterns(context);
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populateSPIRVToLLVMTypeConversion(converter, clientAPI);
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populateSPIRVToLLVMModuleConversionPatterns(converter, patterns);
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populateSPIRVToLLVMConversionPatterns(converter, patterns, clientAPI);
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populateSPIRVToLLVMFunctionConversionPatterns(converter, patterns);
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ConversionTarget target(*context);
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target.addIllegalDialect<spirv::SPIRVDialect>();
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target.addLegalDialect<LLVM::LLVMDialect>();
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if (clientAPI != spirv::ClientAPI::OpenCL &&
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clientAPI != spirv::ClientAPI::Unknown)
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getOperation()->emitWarning()
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<< "address space mapping for client '"
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<< spirv::stringifyClientAPI(clientAPI) << "' not implemented";
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// Set `ModuleOp` as legal for `spirv.module` conversion.
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target.addLegalOp<ModuleOp>();
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if (failed(applyPartialConversion(module, target, std::move(patterns))))
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signalPassFailure();
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}
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