TestMemRefStrideCalculation.cpp
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//===- TestMemRefStrideCalculation.cpp - Pass to test strides computation--===//
//
// Part of the MLIR 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/Dialect/StandardOps/Ops.h"
#include "mlir/IR/StandardTypes.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Transforms/Passes.h"
using namespace mlir;
namespace {
/// Simple constant folding pass.
struct TestMemRefStrideCalculation
: public FunctionPass<struct TestMemRefStrideCalculation> {
void runOnFunction() override;
};
} // end anonymous namespace
// Traverse AllocOp and compute strides of each MemRefType independently.
void TestMemRefStrideCalculation::runOnFunction() {
llvm::outs() << "Testing: " << getFunction().getName() << "\n";
getFunction().walk([&](AllocOp allocOp) {
auto memrefType = allocOp.getResult().getType().cast<MemRefType>();
int64_t offset;
SmallVector<int64_t, 4> strides;
if (failed(getStridesAndOffset(memrefType, strides, offset))) {
llvm::outs() << "MemRefType " << memrefType << " cannot be converted to "
<< "strided form\n";
return;
}
llvm::outs() << "MemRefType offset: ";
if (offset == MemRefType::getDynamicStrideOrOffset())
llvm::outs() << "?";
else
llvm::outs() << offset;
llvm::outs() << " strides: ";
interleaveComma(strides, llvm::outs(), [&](int64_t v) {
if (v == MemRefType::getDynamicStrideOrOffset())
llvm::outs() << "?";
else
llvm::outs() << v;
});
llvm::outs() << "\n";
});
llvm::outs().flush();
}
static PassRegistration<TestMemRefStrideCalculation>
pass("test-memref-stride-calculation", "Test operation constant folding");