1 | //===- FuncToSPIRVPass.cpp - Func to SPIR-V Passes ----------------===// |
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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 | |
19 | namespace mlir { |
20 | #define GEN_PASS_DEF_CONVERTFUNCTOSPIRV |
21 | #include "mlir/Conversion/Passes.h.inc" |
22 | } // namespace mlir |
23 | |
24 | using namespace mlir; |
25 | |
26 | namespace { |
27 | /// A pass converting MLIR Func operations into the SPIR-V dialect. |
28 | class ConvertFuncToSPIRVPass |
29 | : public impl::ConvertFuncToSPIRVBase<ConvertFuncToSPIRVPass> { |
30 | void runOnOperation() override; |
31 | }; |
32 | } // namespace |
33 | |
34 | void ConvertFuncToSPIRVPass::runOnOperation() { |
35 | MLIRContext *context = &getContext(); |
36 | Operation *op = getOperation(); |
37 | |
38 | auto targetAttr = spirv::lookupTargetEnvOrDefault(op); |
39 | std::unique_ptr<ConversionTarget> target = |
40 | SPIRVConversionTarget::get(targetAttr: targetAttr); |
41 | |
42 | SPIRVConversionOptions options; |
43 | options.emulateLT32BitScalarTypes = this->emulateLT32BitScalarTypes; |
44 | SPIRVTypeConverter typeConverter(targetAttr, options); |
45 | |
46 | RewritePatternSet patterns(context); |
47 | populateFuncToSPIRVPatterns(typeConverter, patterns); |
48 | populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns); |
49 | |
50 | if (failed(applyPartialConversion(op, *target, std::move(patterns)))) |
51 | return signalPassFailure(); |
52 | } |
53 | |
54 | std::unique_ptr<OperationPass<>> mlir::createConvertFuncToSPIRVPass() { |
55 | return std::make_unique<ConvertFuncToSPIRVPass>(); |
56 | } |
57 |