1 //===- TestVectorTransforms.cpp - Test Vector transforms and lowerings ----===//
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 #include <type_traits>
10 
11 #include "mlir/Analysis/SliceAnalysis.h"
12 #include "mlir/Dialect/Affine/IR/AffineOps.h"
13 #include "mlir/Dialect/Func/IR/FuncOps.h"
14 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
15 #include "mlir/Dialect/Linalg/IR/Linalg.h"
16 #include "mlir/Dialect/Linalg/Passes.h"
17 #include "mlir/Dialect/Linalg/Transforms/Transforms.h"
18 #include "mlir/Dialect/MemRef/IR/MemRef.h"
19 #include "mlir/Dialect/SCF/SCF.h"
20 #include "mlir/Dialect/Vector/Transforms/VectorTransforms.h"
21 #include "mlir/Pass/Pass.h"
22 #include "mlir/Pass/PassManager.h"
23 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
24 
25 using namespace mlir;
26 using namespace mlir::linalg;
27 using namespace mlir::vector;
28 
29 namespace {
30 
31 struct TestVectorToVectorLowering
32     : public PassWrapper<TestVectorToVectorLowering, OperationPass<FuncOp>> {
33   TestVectorToVectorLowering() = default;
34   TestVectorToVectorLowering(const TestVectorToVectorLowering &pass)
35       : PassWrapper(pass) {}
36   StringRef getArgument() const final {
37     return "test-vector-to-vector-lowering";
38   }
39   StringRef getDescription() const final {
40     return "Test lowering patterns between ops in the vector dialect";
41   }
42 
43   void getDependentDialects(DialectRegistry &registry) const override {
44     registry.insert<AffineDialect>();
45   }
46 
47   Option<bool> unroll{*this, "unroll", llvm::cl::desc("Include unrolling"),
48                       llvm::cl::init(false)};
49 
50   void runOnOperation() override {
51     auto *ctx = &getContext();
52     RewritePatternSet patterns(ctx);
53     if (unroll) {
54       populateVectorUnrollPatterns(
55           patterns,
56           UnrollVectorOptions().setNativeShapeFn(getShape).setFilterConstraint(
57               filter));
58     }
59     populateVectorToVectorCanonicalizationPatterns(patterns);
60     populateBubbleVectorBitCastOpPatterns(patterns);
61     populateCastAwayVectorLeadingOneDimPatterns(patterns);
62     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
63   }
64 
65 private:
66   // Return the target shape based on op type.
67   static Optional<SmallVector<int64_t, 4>> getShape(Operation *op) {
68     if (isa<arith::AddFOp, arith::SelectOp, arith::CmpFOp>(op))
69       return SmallVector<int64_t, 4>(2, 2);
70     if (isa<vector::ContractionOp>(op))
71       return SmallVector<int64_t, 4>(3, 2);
72     // For transfer ops, just propagate the shape coming from
73     // InsertStridedSlices/ExtractStridedSlices.
74     if (auto readOp = dyn_cast<vector::TransferReadOp>(op)) {
75       VectorType dstVec;
76       for (Operation *users : readOp->getUsers()) {
77         auto extract = dyn_cast<ExtractStridedSliceOp>(users);
78         if (!extract)
79           return llvm::None;
80         auto vecType = extract.getResult().getType().cast<VectorType>();
81         if (dstVec && dstVec != vecType)
82           return llvm::None;
83         dstVec = vecType;
84       }
85       return SmallVector<int64_t, 4>(dstVec.getShape().begin(),
86                                      dstVec.getShape().end());
87     }
88     if (auto writeOp = dyn_cast<vector::TransferWriteOp>(op)) {
89       auto insert = writeOp.vector().getDefiningOp<InsertStridedSliceOp>();
90       if (!insert)
91         return llvm::None;
92       ArrayRef<int64_t> shape = insert.getSourceVectorType().getShape();
93       return SmallVector<int64_t, 4>(shape.begin(), shape.end());
94     }
95     return llvm::None;
96   }
97 
98   static LogicalResult filter(Operation *op) {
99     return success(isa<arith::AddFOp, arith::SelectOp, arith::CmpFOp,
100                        ContractionOp, TransferReadOp, TransferWriteOp>(op));
101   }
102 };
103 
104 struct TestVectorContractionLowering
105     : public PassWrapper<TestVectorContractionLowering, OperationPass<FuncOp>> {
106   StringRef getArgument() const final {
107     return "test-vector-contraction-lowering";
108   }
109   StringRef getDescription() const final {
110     return "Test lowering patterns that lower contract ops in the vector "
111            "dialect";
112   }
113   TestVectorContractionLowering() = default;
114   TestVectorContractionLowering(const TestVectorContractionLowering &pass)
115       : PassWrapper(pass) {}
116 
117   Option<bool> lowerToFlatMatrix{
118       *this, "vector-lower-matrix-intrinsics",
119       llvm::cl::desc("Lower vector.contract to llvm.intr.matrix.multiply"),
120       llvm::cl::init(false)};
121   Option<bool> lowerToOuterProduct{
122       *this, "vector-outerproduct",
123       llvm::cl::desc("Lower vector.contract to vector.outerproduct"),
124       llvm::cl::init(false)};
125   Option<bool> lowerToFilterOuterProduct{
126       *this, "vector-filter-outerproduct",
127       llvm::cl::desc("Lower vector.contract to vector.outerproduct but not for "
128                      "vectors of size 4."),
129       llvm::cl::init(false)};
130 
131   void runOnOperation() override {
132     RewritePatternSet patterns(&getContext());
133 
134     // Test on one pattern in isolation.
135     if (lowerToOuterProduct) {
136       VectorContractLowering lowering = VectorContractLowering::OuterProduct;
137       VectorTransformsOptions options{lowering};
138       patterns.add<ContractionOpToOuterProductOpLowering>(options,
139                                                           &getContext());
140       (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
141       return;
142     }
143 
144     // Test on one pattern in isolation.
145     if (lowerToFilterOuterProduct) {
146       VectorContractLowering lowering = VectorContractLowering::OuterProduct;
147       VectorTransformsOptions options{lowering};
148       patterns.add<ContractionOpToOuterProductOpLowering>(
149           options, &getContext(), [](vector::ContractionOp op) {
150             // Only lowers vector.contract where the lhs as a type vector<MxNx?>
151             // where M is not 4.
152             if (op.getRhsType().getShape()[0] == 4)
153               return failure();
154             return success();
155           });
156       (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
157       return;
158     }
159 
160     // Test on all contract lowering patterns.
161     VectorContractLowering contractLowering = VectorContractLowering::Dot;
162     if (lowerToFlatMatrix)
163       contractLowering = VectorContractLowering::Matmul;
164     VectorMultiReductionLowering vectorMultiReductionLowering =
165         VectorMultiReductionLowering::InnerParallel;
166     VectorTransformsOptions options{contractLowering,
167                                     vectorMultiReductionLowering,
168                                     VectorTransposeLowering()};
169     populateVectorBroadcastLoweringPatterns(patterns);
170     populateVectorContractLoweringPatterns(patterns, options);
171     populateVectorMaskOpLoweringPatterns(patterns);
172     populateVectorShapeCastLoweringPatterns(patterns);
173     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
174   }
175 };
176 
177 struct TestVectorTransposeLowering
178     : public PassWrapper<TestVectorTransposeLowering, OperationPass<FuncOp>> {
179   StringRef getArgument() const final {
180     return "test-vector-transpose-lowering";
181   }
182   StringRef getDescription() const final {
183     return "Test lowering patterns that lower contract ops in the vector "
184            "dialect";
185   }
186   TestVectorTransposeLowering() = default;
187   TestVectorTransposeLowering(const TestVectorTransposeLowering &pass)
188       : PassWrapper(pass) {}
189 
190   Option<bool> lowerToEltwise{
191       *this, "eltwise",
192       llvm::cl::desc("Lower 2-D vector.transpose to eltwise insert/extract"),
193       llvm::cl::init(false)};
194   Option<bool> lowerToFlatTranspose{
195       *this, "flat",
196       llvm::cl::desc("Lower 2-D vector.transpose to vector.flat_transpose"),
197       llvm::cl::init(false)};
198   Option<bool> lowerToShuffleTranspose{
199       *this, "shuffle",
200       llvm::cl::desc("Lower 2-D vector.transpose to shape_cast + shuffle"),
201       llvm::cl::init(false)};
202   Option<bool> lowerToAvx2{
203       *this, "avx2",
204       llvm::cl::desc("Lower vector.transpose to avx2-specific patterns"),
205       llvm::cl::init(false)};
206 
207   void getDependentDialects(DialectRegistry &registry) const override {
208     registry.insert<LLVM::LLVMDialect>();
209   }
210 
211   void runOnOperation() override {
212     RewritePatternSet patterns(&getContext());
213 
214     // Test on one pattern in isolation.
215     // Explicitly disable shape_cast lowering.
216     LinalgVectorLoweringOptions options = LinalgVectorLoweringOptions()
217                                               .enableVectorTransposeLowering()
218                                               .enableShapeCastLowering(false);
219     if (lowerToEltwise) {
220       options = options.setVectorTransformsOptions(
221           VectorTransformsOptions().setVectorTransposeLowering(
222               VectorTransposeLowering::EltWise));
223     }
224     if (lowerToFlatTranspose) {
225       options = options.setVectorTransformsOptions(
226           VectorTransformsOptions().setVectorTransposeLowering(
227               VectorTransposeLowering::Flat));
228     }
229     if (lowerToShuffleTranspose) {
230       options = options.setVectorTransformsOptions(
231           VectorTransformsOptions().setVectorTransposeLowering(
232               VectorTransposeLowering::Shuffle));
233     }
234     if (lowerToAvx2) {
235       options = options.enableAVX2Lowering().setAVX2LoweringOptions(
236           x86vector::avx2::LoweringOptions().setTransposeOptions(
237               x86vector::avx2::TransposeLoweringOptions()
238                   .lower4x8xf32()
239                   .lower8x8xf32()));
240     }
241 
242     OpPassManager dynamicPM("builtin.func");
243     dynamicPM.addPass(createLinalgStrategyLowerVectorsPass(options));
244     if (failed(runPipeline(dynamicPM, getOperation())))
245       return signalPassFailure();
246   }
247 };
248 
249 struct TestVectorUnrollingPatterns
250     : public PassWrapper<TestVectorUnrollingPatterns, OperationPass<FuncOp>> {
251   StringRef getArgument() const final {
252     return "test-vector-unrolling-patterns";
253   }
254   StringRef getDescription() const final {
255     return "Test lowering patterns to unroll contract ops in the vector "
256            "dialect";
257   }
258   TestVectorUnrollingPatterns() = default;
259   TestVectorUnrollingPatterns(const TestVectorUnrollingPatterns &pass)
260       : PassWrapper(pass) {}
261   void runOnOperation() override {
262     MLIRContext *ctx = &getContext();
263     RewritePatternSet patterns(ctx);
264     populateVectorUnrollPatterns(
265         patterns, UnrollVectorOptions()
266                       .setNativeShape(ArrayRef<int64_t>{2, 2})
267                       .setFilterConstraint([](Operation *op) {
268                         return success(isa<arith::AddFOp, vector::FMAOp,
269                                            vector::MultiDimReductionOp>(op));
270                       }));
271 
272     if (unrollBasedOnType) {
273       UnrollVectorOptions::NativeShapeFnType nativeShapeFn =
274           [](Operation *op) -> Optional<SmallVector<int64_t, 4>> {
275         vector::ContractionOp contractOp = cast<vector::ContractionOp>(op);
276         SmallVector<int64_t, 4> nativeShape = {4, 4, 2};
277         if (auto floatType = contractOp.getLhsType()
278                                  .getElementType()
279                                  .dyn_cast<FloatType>()) {
280           if (floatType.getWidth() == 16) {
281             nativeShape[2] = 4;
282           }
283         }
284         return nativeShape;
285       };
286       populateVectorUnrollPatterns(patterns,
287                                    UnrollVectorOptions()
288                                        .setNativeShapeFn(nativeShapeFn)
289                                        .setFilterConstraint([](Operation *op) {
290                                          return success(isa<ContractionOp>(op));
291                                        }));
292     } else {
293       populateVectorUnrollPatterns(
294           patterns, UnrollVectorOptions()
295                         .setNativeShape(ArrayRef<int64_t>{2, 2, 2})
296                         .setFilterConstraint([](Operation *op) {
297                           return success(isa<ContractionOp>(op));
298                         }));
299     }
300     populateVectorToVectorCanonicalizationPatterns(patterns);
301     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
302   }
303 
304   Option<bool> unrollBasedOnType{
305       *this, "unroll-based-on-type",
306       llvm::cl::desc("Set the unroll factor based on type of the operation"),
307       llvm::cl::init(false)};
308 };
309 
310 struct TestVectorDistributePatterns
311     : public PassWrapper<TestVectorDistributePatterns, OperationPass<FuncOp>> {
312   StringRef getArgument() const final {
313     return "test-vector-distribute-patterns";
314   }
315   StringRef getDescription() const final {
316     return "Test lowering patterns to distribute vector ops in the vector "
317            "dialect";
318   }
319   TestVectorDistributePatterns() = default;
320   TestVectorDistributePatterns(const TestVectorDistributePatterns &pass)
321       : PassWrapper(pass) {}
322   void getDependentDialects(DialectRegistry &registry) const override {
323     registry.insert<VectorDialect>();
324     registry.insert<AffineDialect>();
325   }
326   ListOption<int32_t> multiplicity{
327       *this, "distribution-multiplicity", llvm::cl::MiscFlags::CommaSeparated,
328       llvm::cl::desc("Set the multiplicity used for distributing vector")};
329 
330   void runOnOperation() override {
331     MLIRContext *ctx = &getContext();
332     RewritePatternSet patterns(ctx);
333     FuncOp func = getOperation();
334     func.walk([&](arith::AddFOp op) {
335       OpBuilder builder(op);
336       if (auto vecType = op.getType().dyn_cast<VectorType>()) {
337         SmallVector<int64_t, 2> mul;
338         SmallVector<AffineExpr, 2> perm;
339         SmallVector<Value, 2> ids;
340         unsigned count = 0;
341         // Remove the multiplicity of 1 and calculate the affine map based on
342         // the multiplicity.
343         SmallVector<int32_t, 4> m(multiplicity.begin(), multiplicity.end());
344         for (unsigned i = 0, e = vecType.getRank(); i < e; i++) {
345           if (i < m.size() && m[i] != 1 && vecType.getDimSize(i) % m[i] == 0) {
346             mul.push_back(m[i]);
347             ids.push_back(func.getArgument(count++));
348             perm.push_back(getAffineDimExpr(i, ctx));
349           }
350         }
351         auto map = AffineMap::get(op.getType().cast<VectorType>().getRank(), 0,
352                                   perm, ctx);
353         Optional<mlir::vector::DistributeOps> ops = distributPointwiseVectorOp(
354             builder, op.getOperation(), ids, mul, map);
355         if (ops.hasValue()) {
356           SmallPtrSet<Operation *, 1> extractOp({ops->extract, ops->insert});
357           op.getResult().replaceAllUsesExcept(ops->insert.getResult(),
358                                               extractOp);
359         }
360       }
361     });
362     populatePropagateVectorDistributionPatterns(patterns);
363     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
364   }
365 };
366 
367 struct TestVectorToLoopPatterns
368     : public PassWrapper<TestVectorToLoopPatterns, OperationPass<FuncOp>> {
369   StringRef getArgument() const final { return "test-vector-to-forloop"; }
370   StringRef getDescription() const final {
371     return "Test lowering patterns to break up a vector op into a for loop";
372   }
373   TestVectorToLoopPatterns() = default;
374   TestVectorToLoopPatterns(const TestVectorToLoopPatterns &pass)
375       : PassWrapper(pass) {}
376   void getDependentDialects(DialectRegistry &registry) const override {
377     registry.insert<VectorDialect>();
378     registry.insert<AffineDialect>();
379   }
380   Option<int32_t> multiplicity{
381       *this, "distribution-multiplicity",
382       llvm::cl::desc("Set the multiplicity used for distributing vector"),
383       llvm::cl::init(32)};
384   void runOnOperation() override {
385     MLIRContext *ctx = &getContext();
386     RewritePatternSet patterns(ctx);
387     FuncOp func = getOperation();
388     func.walk([&](arith::AddFOp op) {
389       // Check that the operation type can be broken down into a loop.
390       VectorType type = op.getType().dyn_cast<VectorType>();
391       if (!type || type.getRank() != 1 ||
392           type.getNumElements() % multiplicity != 0)
393         return mlir::WalkResult::advance();
394       auto filterAlloc = [](Operation *op) {
395         return !isa<arith::ConstantOp, memref::AllocOp, func::CallOp>(op);
396       };
397       auto dependentOps = getSlice(op, filterAlloc);
398       // Create a loop and move instructions from the Op slice into the loop.
399       OpBuilder builder(op);
400       auto zero = builder.create<arith::ConstantIndexOp>(op.getLoc(), 0);
401       auto one = builder.create<arith::ConstantIndexOp>(op.getLoc(), 1);
402       auto numIter =
403           builder.create<arith::ConstantIndexOp>(op.getLoc(), multiplicity);
404       auto forOp = builder.create<scf::ForOp>(op.getLoc(), zero, numIter, one);
405       for (Operation *it : dependentOps) {
406         it->moveBefore(forOp.getBody()->getTerminator());
407       }
408       auto map = AffineMap::getMultiDimIdentityMap(1, ctx);
409       // break up the original op and let the patterns propagate.
410       Optional<mlir::vector::DistributeOps> ops = distributPointwiseVectorOp(
411           builder, op.getOperation(), {forOp.getInductionVar()}, {multiplicity},
412           map);
413       if (ops.hasValue()) {
414         SmallPtrSet<Operation *, 1> extractOp({ops->extract, ops->insert});
415         op.getResult().replaceAllUsesExcept(ops->insert.getResult(), extractOp);
416       }
417       return mlir::WalkResult::interrupt();
418     });
419     populatePropagateVectorDistributionPatterns(patterns);
420     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
421   }
422 };
423 
424 struct TestVectorTransferUnrollingPatterns
425     : public PassWrapper<TestVectorTransferUnrollingPatterns,
426                          OperationPass<FuncOp>> {
427   void getDependentDialects(DialectRegistry &registry) const override {
428     registry.insert<AffineDialect>();
429   }
430   StringRef getArgument() const final {
431     return "test-vector-transfer-unrolling-patterns";
432   }
433   StringRef getDescription() const final {
434     return "Test lowering patterns to unroll transfer ops in the vector "
435            "dialect";
436   }
437   void runOnOperation() override {
438     MLIRContext *ctx = &getContext();
439     RewritePatternSet patterns(ctx);
440     populateVectorUnrollPatterns(
441         patterns,
442         UnrollVectorOptions()
443             .setNativeShape(ArrayRef<int64_t>{2, 2})
444             .setFilterConstraint([](Operation *op) {
445               return success(
446                   isa<vector::TransferReadOp, vector::TransferWriteOp>(op));
447             }));
448     populateVectorToVectorCanonicalizationPatterns(patterns);
449     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
450   }
451 };
452 
453 struct TestVectorTransferFullPartialSplitPatterns
454     : public PassWrapper<TestVectorTransferFullPartialSplitPatterns,
455                          OperationPass<FuncOp>> {
456   StringRef getArgument() const final {
457     return "test-vector-transfer-full-partial-split";
458   }
459   StringRef getDescription() const final {
460     return "Test lowering patterns to split "
461            "transfer ops via scf.if + linalg ops";
462   }
463   TestVectorTransferFullPartialSplitPatterns() = default;
464   TestVectorTransferFullPartialSplitPatterns(
465       const TestVectorTransferFullPartialSplitPatterns &pass)
466       : PassWrapper(pass) {}
467 
468   void getDependentDialects(DialectRegistry &registry) const override {
469     registry.insert<AffineDialect, linalg::LinalgDialect, memref::MemRefDialect,
470                     scf::SCFDialect>();
471   }
472 
473   Option<bool> useLinalgOps{
474       *this, "use-memref-copy",
475       llvm::cl::desc("Split using a unmasked vector.transfer + linalg.fill + "
476                      "memref.copy operations."),
477       llvm::cl::init(false)};
478   void runOnOperation() override {
479     MLIRContext *ctx = &getContext();
480     RewritePatternSet patterns(ctx);
481     VectorTransformsOptions options;
482     if (useLinalgOps)
483       options.setVectorTransferSplit(VectorTransferSplit::LinalgCopy);
484     else
485       options.setVectorTransferSplit(VectorTransferSplit::VectorTransfer);
486     patterns.add<VectorTransferFullPartialRewriter>(ctx, options);
487     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
488   }
489 };
490 
491 struct TestVectorTransferOpt
492     : public PassWrapper<TestVectorTransferOpt, OperationPass<FuncOp>> {
493   StringRef getArgument() const final { return "test-vector-transferop-opt"; }
494   StringRef getDescription() const final {
495     return "Test optimization transformations for transfer ops";
496   }
497   void runOnOperation() override { transferOpflowOpt(getOperation()); }
498 };
499 
500 struct TestVectorTransferLoweringPatterns
501     : public PassWrapper<TestVectorTransferLoweringPatterns,
502                          OperationPass<FuncOp>> {
503   void getDependentDialects(DialectRegistry &registry) const override {
504     registry.insert<tensor::TensorDialect, memref::MemRefDialect>();
505   }
506   StringRef getArgument() const final {
507     return "test-vector-transfer-lowering-patterns";
508   }
509   StringRef getDescription() const final {
510     return "Test lowering patterns to lower transfer ops to other vector ops";
511   }
512   void runOnOperation() override {
513     RewritePatternSet patterns(&getContext());
514     populateVectorTransferLoweringPatterns(patterns);
515     populateVectorTransferPermutationMapLoweringPatterns(patterns);
516     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
517   }
518 };
519 
520 struct TestVectorMultiReductionLoweringPatterns
521     : public PassWrapper<TestVectorMultiReductionLoweringPatterns,
522                          OperationPass<FuncOp>> {
523   TestVectorMultiReductionLoweringPatterns() = default;
524   TestVectorMultiReductionLoweringPatterns(
525       const TestVectorMultiReductionLoweringPatterns &pass)
526       : PassWrapper(pass) {}
527   void getDependentDialects(DialectRegistry &registry) const override {
528     registry.insert<memref::MemRefDialect>();
529   }
530   StringRef getArgument() const final {
531     return "test-vector-multi-reduction-lowering-patterns";
532   }
533   StringRef getDescription() const final {
534     return "Test lowering patterns to lower vector.multi_reduction to other "
535            "vector ops";
536   }
537   Option<bool> useOuterReductions{
538       *this, "use-outer-reductions",
539       llvm::cl::desc("Move reductions to outer most dimensions"),
540       llvm::cl::init(false)};
541   void runOnOperation() override {
542     RewritePatternSet patterns(&getContext());
543     populateVectorMultiReductionLoweringPatterns(
544         patterns, useOuterReductions
545                       ? vector::VectorMultiReductionLowering::InnerParallel
546                       : vector::VectorMultiReductionLowering::InnerReduction);
547     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
548   }
549 };
550 
551 struct TestVectorTransferCollapseInnerMostContiguousDims
552     : public PassWrapper<TestVectorTransferCollapseInnerMostContiguousDims,
553                          OperationPass<FuncOp>> {
554   TestVectorTransferCollapseInnerMostContiguousDims() = default;
555   TestVectorTransferCollapseInnerMostContiguousDims(
556       const TestVectorTransferCollapseInnerMostContiguousDims &pass) = default;
557 
558   void getDependentDialects(DialectRegistry &registry) const override {
559     registry.insert<memref::MemRefDialect, AffineDialect>();
560   }
561 
562   StringRef getArgument() const final {
563     return "test-vector-transfer-collapse-inner-most-dims";
564   }
565 
566   StringRef getDescription() const final {
567     return "Test lowering patterns that reducedes the rank of the vector "
568            "transfer memory and vector operands.";
569   }
570 
571   void runOnOperation() override {
572     RewritePatternSet patterns(&getContext());
573     populateVectorTransferCollapseInnerMostContiguousDimsPatterns(patterns);
574     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
575   }
576 };
577 
578 struct TestVectorReduceToContractPatternsPatterns
579     : public PassWrapper<TestVectorReduceToContractPatternsPatterns,
580                          OperationPass<FuncOp>> {
581   StringRef getArgument() const final {
582     return "test-vector-reduction-to-contract-patterns";
583   }
584   StringRef getDescription() const final {
585     return "Test patterns to convert multireduce op to contract and combine "
586            "broadcast/transpose to contract";
587   }
588   void runOnOperation() override {
589     RewritePatternSet patterns(&getContext());
590     populateVectorReductionToContractPatterns(patterns);
591     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
592   }
593 };
594 
595 struct TestVectorTransferDropUnitDimsPatterns
596     : public PassWrapper<TestVectorTransferDropUnitDimsPatterns,
597                          OperationPass<FuncOp>> {
598   StringRef getArgument() const final {
599     return "test-vector-transfer-drop-unit-dims-patterns";
600   }
601   void getDependentDialects(DialectRegistry &registry) const override {
602     registry.insert<memref::MemRefDialect>();
603   }
604   void runOnOperation() override {
605     RewritePatternSet patterns(&getContext());
606     populateVectorTransferDropUnitDimsPatterns(patterns);
607     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
608   }
609 };
610 
611 struct TestFlattenVectorTransferPatterns
612     : public PassWrapper<TestFlattenVectorTransferPatterns,
613                          OperationPass<FuncOp>> {
614   StringRef getArgument() const final {
615     return "test-vector-transfer-flatten-patterns";
616   }
617   StringRef getDescription() const final {
618     return "Test patterns to rewrite contiguous row-major N-dimensional "
619            "vector.transfer_{read,write} ops into 1D transfers";
620   }
621   void getDependentDialects(DialectRegistry &registry) const override {
622     registry.insert<memref::MemRefDialect>();
623   }
624   void runOnOperation() override {
625     RewritePatternSet patterns(&getContext());
626     populateFlattenVectorTransferPatterns(patterns);
627     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
628   }
629 };
630 
631 struct TestVectorScanLowering
632     : public PassWrapper<TestVectorScanLowering, OperationPass<FuncOp>> {
633   StringRef getArgument() const final { return "test-vector-scan-lowering"; }
634   StringRef getDescription() const final {
635     return "Test lowering patterns that lower the scan op in the vector "
636            "dialect";
637   }
638   void runOnOperation() override {
639     RewritePatternSet patterns(&getContext());
640     populateVectorScanLoweringPatterns(patterns);
641     (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
642   }
643 };
644 
645 } // namespace
646 
647 namespace mlir {
648 namespace test {
649 void registerTestVectorLowerings() {
650   PassRegistration<TestVectorToVectorLowering>();
651 
652   PassRegistration<TestVectorContractionLowering>();
653 
654   PassRegistration<TestVectorTransposeLowering>();
655 
656   PassRegistration<TestVectorUnrollingPatterns>();
657 
658   PassRegistration<TestVectorTransferUnrollingPatterns>();
659 
660   PassRegistration<TestVectorTransferFullPartialSplitPatterns>();
661 
662   PassRegistration<TestVectorDistributePatterns>();
663 
664   PassRegistration<TestVectorToLoopPatterns>();
665 
666   PassRegistration<TestVectorTransferOpt>();
667 
668   PassRegistration<TestVectorTransferLoweringPatterns>();
669 
670   PassRegistration<TestVectorMultiReductionLoweringPatterns>();
671 
672   PassRegistration<TestVectorTransferCollapseInnerMostContiguousDims>();
673 
674   PassRegistration<TestVectorReduceToContractPatternsPatterns>();
675 
676   PassRegistration<TestVectorTransferDropUnitDimsPatterns>();
677 
678   PassRegistration<TestFlattenVectorTransferPatterns>();
679 
680   PassRegistration<TestVectorScanLowering>();
681 }
682 } // namespace test
683 } // namespace mlir
684