| 1 | //===- TestMemRefBoundCheck.cpp - Test out of bound access checks ---------===// |
|---|---|
| 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 check memref accesses for out of bound |
| 10 | // accesses. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "mlir/Dialect/Affine/Analysis/AffineAnalysis.h" |
| 15 | #include "mlir/Dialect/Affine/Analysis/AffineStructures.h" |
| 16 | #include "mlir/Dialect/Affine/Analysis/Utils.h" |
| 17 | #include "mlir/Dialect/Affine/IR/AffineOps.h" |
| 18 | #include "mlir/IR/Builders.h" |
| 19 | #include "mlir/Pass/Pass.h" |
| 20 | #include "llvm/ADT/TypeSwitch.h" |
| 21 | #include "llvm/Support/Debug.h" |
| 22 | |
| 23 | #define DEBUG_TYPE "memref-bound-check" |
| 24 | |
| 25 | using namespace mlir; |
| 26 | using namespace mlir::affine; |
| 27 | |
| 28 | namespace { |
| 29 | |
| 30 | /// Checks for out of bound memref access subscripts.. |
| 31 | struct TestMemRefBoundCheck |
| 32 | : public PassWrapper<TestMemRefBoundCheck, OperationPass<>> { |
| 33 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestMemRefBoundCheck) |
| 34 | |
| 35 | StringRef getArgument() const final { return "test-memref-bound-check"; } |
| 36 | StringRef getDescription() const final { |
| 37 | return "Check memref access bounds"; |
| 38 | } |
| 39 | void runOnOperation() override; |
| 40 | }; |
| 41 | |
| 42 | } // namespace |
| 43 | |
| 44 | void TestMemRefBoundCheck::runOnOperation() { |
| 45 | getOperation()->walk(callback: [](Operation *opInst) { |
| 46 | TypeSwitch<Operation *>(opInst) |
| 47 | .Case<AffineReadOpInterface, AffineWriteOpInterface>( |
| 48 | [](auto op) { (void)boundCheckLoadOrStoreOp(op); }); |
| 49 | |
| 50 | // TODO: do this for DMA ops as well. |
| 51 | }); |
| 52 | } |
| 53 | |
| 54 | namespace mlir { |
| 55 | namespace test { |
| 56 | void registerMemRefBoundCheck() { PassRegistration<TestMemRefBoundCheck>(); } |
| 57 | } // namespace test |
| 58 | } // namespace mlir |
| 59 |