Files
clang-p2996/mlir/lib/Analysis/MemRefBoundCheck.cpp
Mehdi Amini 308571074c Mass update the MLIR license header to mention "Part of the LLVM project"
This is an artifact from merging MLIR into LLVM, the file headers are
now aligned with the rest of the project.
2020-01-26 03:58:30 +00:00

54 lines
1.7 KiB
C++

//===- MemRefBoundCheck.cpp - MLIR Affine Structures Class ----------------===//
//
// 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 check memref accesses for out of bound
// accesses.
//
//===----------------------------------------------------------------------===//
#include "mlir/ADT/TypeSwitch.h"
#include "mlir/Analysis/AffineAnalysis.h"
#include "mlir/Analysis/AffineStructures.h"
#include "mlir/Analysis/Passes.h"
#include "mlir/Analysis/Utils.h"
#include "mlir/Dialect/AffineOps/AffineOps.h"
#include "mlir/Dialect/StandardOps/Ops.h"
#include "mlir/IR/Builders.h"
#include "mlir/Pass/Pass.h"
#include "llvm/Support/Debug.h"
#define DEBUG_TYPE "memref-bound-check"
using namespace mlir;
namespace {
/// Checks for out of bound memef access subscripts..
struct MemRefBoundCheck : public FunctionPass<MemRefBoundCheck> {
void runOnFunction() override;
};
} // end anonymous namespace
std::unique_ptr<OpPassBase<FuncOp>> mlir::createMemRefBoundCheckPass() {
return std::make_unique<MemRefBoundCheck>();
}
void MemRefBoundCheck::runOnFunction() {
getFunction().walk([](Operation *opInst) {
TypeSwitch<Operation *>(opInst).Case<AffineLoadOp, AffineStoreOp>(
[](auto op) { boundCheckLoadOrStoreOp(op); });
// TODO(bondhugula): do this for DMA ops as well.
});
}
static PassRegistration<MemRefBoundCheck>
memRefBoundCheck("memref-bound-check",
"Check memref access bounds in a Function");