1//===- FuncToSPIRVPass.cpp - Func 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 Func dialect to SPIR-V dialect.
10//
11//===----------------------------------------------------------------------===//
12
13#include "mlir/Conversion/FuncToSPIRV/FuncToSPIRVPass.h"
14
15#include "mlir/Conversion/FuncToSPIRV/FuncToSPIRV.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_CONVERTFUNCTOSPIRVPASS
21#include "mlir/Conversion/Passes.h.inc"
22} // namespace mlir
23
24using namespace mlir;
25
26namespace {
27/// A pass converting MLIR Func operations into the SPIR-V dialect.
28class ConvertFuncToSPIRVPass
29 : public impl::ConvertFuncToSPIRVPassBase<ConvertFuncToSPIRVPass> {
30 using Base::Base;
31 void runOnOperation() override;
32};
33} // namespace
34
35void ConvertFuncToSPIRVPass::runOnOperation() {
36 MLIRContext *context = &getContext();
37 Operation *op = getOperation();
38
39 auto targetAttr = spirv::lookupTargetEnvOrDefault(op);
40 std::unique_ptr<ConversionTarget> target =
41 SPIRVConversionTarget::get(targetAttr: targetAttr);
42
43 SPIRVConversionOptions options;
44 options.emulateLT32BitScalarTypes = this->emulateLT32BitScalarTypes;
45 SPIRVTypeConverter typeConverter(targetAttr, options);
46
47 RewritePatternSet patterns(context);
48 populateFuncToSPIRVPatterns(typeConverter, patterns);
49 populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns);
50
51 if (failed(applyPartialConversion(op, *target, std::move(patterns))))
52 return signalPassFailure();
53}
54

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source code of mlir/lib/Conversion/FuncToSPIRV/FuncToSPIRVPass.cpp