forked from OSchip/llvm-project
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
//===- ControlFlowToSPIRVPass.cpp - ControlFlow to SPIR-V Pass ------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements a pass to convert ControlFlow dialect to SPIR-V dialect.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "mlir/Conversion/ControlFlowToSPIRV/ControlFlowToSPIRVPass.h"
|
|
#include "../PassDetail.h"
|
|
#include "mlir/Conversion/ControlFlowToSPIRV/ControlFlowToSPIRV.h"
|
|
#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
|
|
#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"
|
|
|
|
using namespace mlir;
|
|
|
|
namespace {
|
|
/// A pass converting MLIR ControlFlow operations into the SPIR-V dialect.
|
|
class ConvertControlFlowToSPIRVPass
|
|
: public ConvertControlFlowToSPIRVBase<ConvertControlFlowToSPIRVPass> {
|
|
void runOnOperation() override;
|
|
};
|
|
} // namespace
|
|
|
|
void ConvertControlFlowToSPIRVPass::runOnOperation() {
|
|
MLIRContext *context = &getContext();
|
|
ModuleOp module = getOperation();
|
|
|
|
auto targetAttr = spirv::lookupTargetEnvOrDefault(module);
|
|
std::unique_ptr<ConversionTarget> target =
|
|
SPIRVConversionTarget::get(targetAttr);
|
|
|
|
SPIRVTypeConverter::Options options;
|
|
options.emulateNon32BitScalarTypes = this->emulateNon32BitScalarTypes;
|
|
SPIRVTypeConverter typeConverter(targetAttr, options);
|
|
|
|
RewritePatternSet patterns(context);
|
|
cf::populateControlFlowToSPIRVPatterns(typeConverter, patterns);
|
|
|
|
if (failed(applyPartialConversion(module, *target, std::move(patterns))))
|
|
return signalPassFailure();
|
|
}
|
|
|
|
std::unique_ptr<OperationPass<ModuleOp>>
|
|
mlir::createConvertControlFlowToSPIRVPass() {
|
|
return std::make_unique<ConvertControlFlowToSPIRVPass>();
|
|
}
|