xref: /llvm-project/mlir/test/lib/Dialect/SPIRV/TestModuleCombiner.cpp (revision 5e50dd048e3a20cde5da5d7a754dfee775ef35d6)
1 //===- TestModuleCombiner.cpp - Pass to test SPIR-V module combiner lib ---===//
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 "mlir/Dialect/SPIRV/IR/SPIRVOps.h"
10 #include "mlir/Dialect/SPIRV/IR/SPIRVTypes.h"
11 #include "mlir/Dialect/SPIRV/Linking/ModuleCombiner.h"
12 #include "mlir/IR/Builders.h"
13 #include "mlir/IR/BuiltinOps.h"
14 #include "mlir/Pass/Pass.h"
15 
16 using namespace mlir;
17 
18 namespace {
19 class TestModuleCombinerPass
20     : public PassWrapper<TestModuleCombinerPass,
21                          OperationPass<mlir::ModuleOp>> {
22 public:
23   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestModuleCombinerPass)
24 
25   StringRef getArgument() const final { return "test-spirv-module-combiner"; }
26   StringRef getDescription() const final {
27     return "Tests SPIR-V module combiner library";
28   }
29   TestModuleCombinerPass() = default;
30   TestModuleCombinerPass(const TestModuleCombinerPass &) {}
31   void runOnOperation() override;
32 
33 private:
34   OwningOpRef<spirv::ModuleOp> combinedModule;
35 };
36 } // namespace
37 
38 void TestModuleCombinerPass::runOnOperation() {
39   auto modules = llvm::to_vector<4>(getOperation().getOps<spirv::ModuleOp>());
40 
41   OpBuilder combinedModuleBuilder(modules[0]);
42 
43   auto listener = [](spirv::ModuleOp originalModule, StringRef oldSymbol,
44                      StringRef newSymbol) {
45     llvm::outs() << "[" << originalModule.getName() << "] " << oldSymbol
46                  << " -> " << newSymbol << "\n";
47   };
48 
49   combinedModule = spirv::combine(modules, combinedModuleBuilder, listener);
50 
51   for (spirv::ModuleOp module : modules)
52     module.erase();
53 }
54 
55 namespace mlir {
56 void registerTestSpirvModuleCombinerPass() {
57   PassRegistration<TestModuleCombinerPass>();
58 }
59 } // namespace mlir
60