1//===- SCFToSPIRVPass.cpp - SCF 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 SCF dialect into SPIR-V dialect.
10//
11//===----------------------------------------------------------------------===//
12
13#include "mlir/Conversion/SCFToSPIRV/SCFToSPIRVPass.h"
14
15#include "mlir/Conversion/ArithToSPIRV/ArithToSPIRV.h"
16#include "mlir/Conversion/FuncToSPIRV/FuncToSPIRV.h"
17#include "mlir/Conversion/IndexToSPIRV/IndexToSPIRV.h"
18#include "mlir/Conversion/MemRefToSPIRV/MemRefToSPIRV.h"
19#include "mlir/Conversion/SCFToSPIRV/SCFToSPIRV.h"
20#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
21#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"
22
23namespace mlir {
24#define GEN_PASS_DEF_SCFTOSPIRV
25#include "mlir/Conversion/Passes.h.inc"
26} // namespace mlir
27
28using namespace mlir;
29
30namespace {
31struct SCFToSPIRVPass : public impl::SCFToSPIRVBase<SCFToSPIRVPass> {
32 void runOnOperation() override;
33};
34} // namespace
35
36void SCFToSPIRVPass::runOnOperation() {
37 MLIRContext *context = &getContext();
38 Operation *op = getOperation();
39
40 auto targetAttr = spirv::lookupTargetEnvOrDefault(op);
41 std::unique_ptr<ConversionTarget> target =
42 SPIRVConversionTarget::get(targetAttr);
43
44 SPIRVTypeConverter typeConverter(targetAttr);
45 ScfToSPIRVContext scfContext;
46 RewritePatternSet patterns(context);
47 populateSCFToSPIRVPatterns(typeConverter, scfToSPIRVContext&: scfContext, patterns);
48
49 // TODO: Change SPIR-V conversion to be progressive and remove the following
50 // patterns.
51 mlir::arith::populateArithToSPIRVPatterns(typeConverter, patterns);
52 populateFuncToSPIRVPatterns(typeConverter, patterns);
53 populateMemRefToSPIRVPatterns(typeConverter, patterns);
54 populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns);
55 index::populateIndexToSPIRVPatterns(converter: typeConverter, patterns);
56
57 if (failed(Result: applyPartialConversion(op, target: *target, patterns: std::move(patterns))))
58 return signalPassFailure();
59}
60

source code of mlir/lib/Conversion/SCFToSPIRV/SCFToSPIRVPass.cpp