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1 //===- ConvertStandardToSPIRVPass.cpp - Convert Std Ops to SPIR-V Ops -----===//
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 MLIR standard ops into the SPIR-V
10 // ops.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "mlir/Conversion/StandardToSPIRV/ConvertStandardToSPIRVPass.h"
15 #include "../PassDetail.h"
16 #include "mlir/Conversion/StandardToSPIRV/ConvertStandardToSPIRV.h"
17 #include "mlir/Dialect/SPIRV/SPIRVDialect.h"
18 #include "mlir/Dialect/SPIRV/SPIRVLowering.h"
19 
20 using namespace mlir;
21 
22 namespace {
23 /// A pass converting MLIR Standard operations into the SPIR-V dialect.
24 class ConvertStandardToSPIRVPass
25     : public ConvertStandardToSPIRVBase<ConvertStandardToSPIRVPass> {
26   void runOnOperation() override;
27 };
28 } // namespace
29 
runOnOperation()30 void ConvertStandardToSPIRVPass::runOnOperation() {
31   MLIRContext *context = &getContext();
32   ModuleOp module = getOperation();
33 
34   auto targetAttr = spirv::lookupTargetEnvOrDefault(module);
35   std::unique_ptr<ConversionTarget> target =
36       spirv::SPIRVConversionTarget::get(targetAttr);
37 
38   SPIRVTypeConverter typeConverter(targetAttr);
39   OwningRewritePatternList patterns;
40   populateStandardToSPIRVPatterns(context, typeConverter, patterns);
41   populateBuiltinFuncToSPIRVPatterns(context, typeConverter, patterns);
42 
43   if (failed(applyPartialConversion(module, *target, std::move(patterns))))
44     return signalPassFailure();
45 }
46 
47 std::unique_ptr<OperationPass<ModuleOp>>
createConvertStandardToSPIRVPass()48 mlir::createConvertStandardToSPIRVPass() {
49   return std::make_unique<ConvertStandardToSPIRVPass>();
50 }
51