Files
clang-p2996/mlir/test/lib/Transforms/TestMemRefStrideCalculation.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

55 lines
1.9 KiB
C++

//===- TestMemRefStrideCalculation.cpp - Pass to test strides computation--===//
//
// 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/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");