Files
clang-p2996/mlir/lib/Conversion/ShapeToStandard/ConvertShapeConstraints.cpp
Michele Scuttari 67d0d7ac0a [MLIR] Update pass declarations to new autogenerated files
The patch introduces the required changes to update the pass declarations and definitions to use the new autogenerated files and allow dropping the old infrastructure.

Reviewed By: mehdi_amini, rriddle

Differential Review: https://reviews.llvm.org/D132838
2022-08-31 12:28:45 +02:00

74 lines
2.5 KiB
C++

//===- ConvertShapeConstraints.cpp - Conversion of shape constraints ------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/ShapeToStandard/ShapeToStandard.h"
#include "mlir/Dialect/ControlFlow/IR/ControlFlowOps.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/Dialect/Shape/IR/Shape.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Pass/PassRegistry.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
namespace mlir {
#define GEN_PASS_DEF_CONVERTSHAPECONSTRAINTS
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
namespace {
#include "ShapeToStandard.cpp.inc"
} // namespace
namespace {
class ConvertCstrRequireOp : public OpRewritePattern<shape::CstrRequireOp> {
public:
using OpRewritePattern::OpRewritePattern;
LogicalResult matchAndRewrite(shape::CstrRequireOp op,
PatternRewriter &rewriter) const override {
rewriter.create<cf::AssertOp>(op.getLoc(), op.getPred(), op.getMsgAttr());
rewriter.replaceOpWithNewOp<shape::ConstWitnessOp>(op, true);
return success();
}
};
} // namespace
void mlir::populateConvertShapeConstraintsConversionPatterns(
RewritePatternSet &patterns) {
patterns.add<CstrBroadcastableToRequire>(patterns.getContext());
patterns.add<CstrEqToRequire>(patterns.getContext());
patterns.add<ConvertCstrRequireOp>(patterns.getContext());
}
namespace {
// This pass eliminates shape constraints from the program, converting them to
// eager (side-effecting) error handling code. After eager error handling code
// is emitted, witnesses are satisfied, so they are replace with
// `shape.const_witness true`.
class ConvertShapeConstraints
: public impl::ConvertShapeConstraintsBase<ConvertShapeConstraints> {
void runOnOperation() override {
auto *func = getOperation();
auto *context = &getContext();
RewritePatternSet patterns(context);
populateConvertShapeConstraintsConversionPatterns(patterns);
if (failed(applyPatternsAndFoldGreedily(func, std::move(patterns))))
return signalPassFailure();
}
};
} // namespace
std::unique_ptr<Pass> mlir::createConvertShapeConstraintsPass() {
return std::make_unique<ConvertShapeConstraints>();
}