Files
clang-p2996/mlir/lib/Conversion/ArmNeon2dToIntr/ArmNeon2dToIntr.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

77 lines
2.6 KiB
C++

//===- ArmNeon2dToIntr.cpp - convert Arm Neon 2d ops to intrinsics --------===//
//
// 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/ArmNeon2dToIntr/ArmNeon2dToIntr.h"
#include "mlir/Dialect/ArmNeon/ArmNeonDialect.h"
#include "mlir/Dialect/Vector/IR/VectorOps.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_CONVERTARMNEON2DTOINTR
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
using namespace mlir::arm_neon;
namespace {
class Sdot2dLoweringPattern : public OpRewritePattern<Sdot2dOp> {
public:
using OpRewritePattern::OpRewritePattern;
/// Convert to 1-dimensional vector type to match the requirements of
/// arm.neon.intr.sdot
LogicalResult matchAndRewrite(Sdot2dOp op,
PatternRewriter &rewriter) const override {
Type elemType = op.getB().getType().cast<VectorType>().getElementType();
int length = op.getB().getType().cast<VectorType>().getShape()[0] *
Sdot2dOp::kReductionSize;
VectorType flattenedVectorType = VectorType::get({length}, elemType);
Value b2d = op.getB();
Value c2d = op.getC();
Location loc = op.getLoc();
Value b1d =
rewriter.create<vector::ShapeCastOp>(loc, flattenedVectorType, b2d);
Value c1d =
rewriter.create<vector::ShapeCastOp>(loc, flattenedVectorType, c2d);
Value newOp = rewriter.create<SdotOp>(loc, op.getRes().getType(), op.getA(),
b1d, c1d);
rewriter.replaceOp(op, {newOp});
return success();
}
};
class ConvertArmNeon2dToIntr
: public impl::ConvertArmNeon2dToIntrBase<ConvertArmNeon2dToIntr> {
void runOnOperation() override {
auto *context = &getContext();
RewritePatternSet patterns(context);
populateConvertArmNeon2dToIntrPatterns(patterns);
if (failed(
applyPatternsAndFoldGreedily(getOperation(), std::move(patterns))))
return signalPassFailure();
}
};
} // namespace
void mlir::populateConvertArmNeon2dToIntrPatterns(RewritePatternSet &patterns) {
patterns.add<Sdot2dLoweringPattern>(patterns.getContext());
}
std::unique_ptr<Pass> mlir::createConvertArmNeon2dToIntrPass() {
return std::make_unique<ConvertArmNeon2dToIntr>();
}