xref: /llvm-project/mlir/test/lib/Dialect/ArmNeon/TestLowerToArmNeon.cpp (revision 09dfc5713d7e2342bea4c8447d1ed76c85eb8225)
1 //===- TestLowerToArmNeon.cpp - Test lowering to ArmNeon as a sink pass -===//
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 // This file implements a pass for testing the lowering to ArmNeon as a
10 // generally usable sink pass.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "mlir/Dialect/ArmNeon/ArmNeonDialect.h"
15 #include "mlir/Dialect/ArmNeon/Transforms.h"
16 #include "mlir/Dialect/Func/IR/FuncOps.h"
17 #include "mlir/IR/PatternMatch.h"
18 #include "mlir/Pass/Pass.h"
19 #include "mlir/Pass/PassManager.h"
20 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
21 
22 #define PASS_NAME "test-lower-to-arm-neon"
23 
24 using namespace mlir;
25 using namespace mlir::arm_neon;
26 
27 namespace {
28 struct TestLowerToArmNeon
29     : public PassWrapper<TestLowerToArmNeon, OperationPass<func::FuncOp>> {
30   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestLowerToArmNeon)
31 
32   StringRef getArgument() const final { return PASS_NAME; }
33   StringRef getDescription() const final { return "Tests lower to arm Neon."; }
34   TestLowerToArmNeon() = default;
35   TestLowerToArmNeon(const TestLowerToArmNeon &pass) = default;
36 
37   void getDependentDialects(DialectRegistry &registry) const override {
38     registry.insert<arm_neon::ArmNeonDialect>();
39   }
40 
41   void runOnOperation() override;
42 };
43 
44 } // namespace
45 
46 void TestLowerToArmNeon::runOnOperation() {
47   MLIRContext *context = &getContext();
48   RewritePatternSet patterns(context);
49   populateLowerContractionToSMMLAPatternPatterns(patterns);
50   if (failed(applyPatternsGreedily(getOperation(), std::move(patterns))))
51     return signalPassFailure();
52 }
53 
54 namespace mlir {
55 namespace test {
56 
57 void registerTestLowerToArmNeon() { PassRegistration<TestLowerToArmNeon>(); }
58 
59 } // namespace test
60 } // namespace mlir
61