| 1 | //===- TestMemRefStrideCalculation.cpp - Pass to test strides computation--===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "mlir/Dialect/MemRef/IR/MemRef.h" |
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| 10 | #include "mlir/IR/BuiltinTypes.h" |
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| 11 | #include "mlir/Pass/Pass.h" |
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| 12 | |
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| 13 | using namespace mlir; |
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| 14 | |
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| 15 | namespace { |
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| 16 | struct TestMemRefStrideCalculation |
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| 17 | : public PassWrapper<TestMemRefStrideCalculation, |
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| 18 | InterfacePass<SymbolOpInterface>> { |
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| 19 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestMemRefStrideCalculation) |
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| 20 | |
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| 21 | StringRef getArgument() const final { |
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| 22 | return "test-memref-stride-calculation" ; |
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| 23 | } |
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| 24 | StringRef getDescription() const final { |
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| 25 | return "Test operation constant folding" ; |
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| 26 | } |
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| 27 | void runOnOperation() override; |
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| 28 | }; |
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| 29 | } // namespace |
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| 30 | |
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| 31 | /// Traverse AllocOp and compute strides of each MemRefType independently. |
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| 32 | void TestMemRefStrideCalculation::runOnOperation() { |
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| 33 | llvm::outs() << "Testing: " << getOperation().getName() << "\n" ; |
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| 34 | getOperation().walk([&](memref::AllocOp allocOp) { |
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| 35 | auto memrefType = cast<MemRefType>(allocOp.getResult().getType()); |
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| 36 | int64_t offset; |
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| 37 | SmallVector<int64_t, 4> strides; |
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| 38 | if (failed(memrefType.getStridesAndOffset(strides, offset))) { |
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| 39 | llvm::outs() << "MemRefType " << memrefType << " cannot be converted to " |
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| 40 | << "strided form\n" ; |
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| 41 | return; |
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| 42 | } |
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| 43 | llvm::outs() << "MemRefType offset: " ; |
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| 44 | if (ShapedType::isDynamic(offset)) |
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| 45 | llvm::outs() << "?" ; |
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| 46 | else |
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| 47 | llvm::outs() << offset; |
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| 48 | llvm::outs() << " strides: " ; |
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| 49 | llvm::interleaveComma(c: strides, os&: llvm::outs(), each_fn: [&](int64_t v) { |
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| 50 | if (ShapedType::isDynamic(v)) |
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| 51 | llvm::outs() << "?" ; |
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| 52 | else |
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| 53 | llvm::outs() << v; |
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| 54 | }); |
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| 55 | llvm::outs() << "\n" ; |
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| 56 | }); |
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| 57 | llvm::outs().flush(); |
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| 58 | } |
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| 59 | |
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| 60 | namespace mlir { |
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| 61 | namespace test { |
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| 62 | void registerTestMemRefStrideCalculation() { |
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| 63 | PassRegistration<TestMemRefStrideCalculation>(); |
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| 64 | } |
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| 65 | } // namespace test |
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| 66 | } // namespace mlir |
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| 67 | |
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