xref: /llvm-project/mlir/test/lib/Dialect/Affine/TestDecomposeAffineOps.cpp (revision b748f153061b74b858de687a8715a854f0800540)
1 //===- TestDecomposeAffineOps.cpp - Test affine ops decomposition utility -===//
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 to test affine data copy utility functions and
10 // options.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "mlir/Dialect/Affine/IR/AffineOps.h"
15 #include "mlir/Dialect/Affine/Transforms/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/Transforms/Passes.h"
20 
21 #define PASS_NAME "test-decompose-affine-ops"
22 
23 using namespace mlir;
24 using namespace mlir::affine;
25 
26 namespace {
27 
28 struct TestDecomposeAffineOps
29     : public PassWrapper<TestDecomposeAffineOps, OperationPass<func::FuncOp>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID__anon8f5d0cc20111::TestDecomposeAffineOps30   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestDecomposeAffineOps)
31 
32   StringRef getArgument() const final { return PASS_NAME; }
getDescription__anon8f5d0cc20111::TestDecomposeAffineOps33   StringRef getDescription() const final {
34     return "Tests affine ops decomposition utility functions.";
35   }
36   TestDecomposeAffineOps() = default;
37   TestDecomposeAffineOps(const TestDecomposeAffineOps &pass) = default;
38 
39   void runOnOperation() override;
40 };
41 
42 } // namespace
43 
runOnOperation()44 void TestDecomposeAffineOps::runOnOperation() {
45   IRRewriter rewriter(&getContext());
46   this->getOperation().walk([&](AffineApplyOp op) {
47     rewriter.setInsertionPoint(op);
48     reorderOperandsByHoistability(rewriter, op);
49     (void)decompose(rewriter, op);
50   });
51 }
52 
53 namespace mlir {
registerTestDecomposeAffineOpPass()54 void registerTestDecomposeAffineOpPass() {
55   PassRegistration<TestDecomposeAffineOps>();
56 }
57 } // namespace mlir
58