xref: /llvm-project/mlir/test/lib/Dialect/SPIRV/TestModuleCombiner.cpp (revision 01178654121b1caadadd448d65d7fb4f806670d6)
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   TestModuleCombinerPass() = default;
24   TestModuleCombinerPass(const TestModuleCombinerPass &) {}
25   void runOnOperation() override;
26 
27 private:
28   mlir::spirv::OwningSPIRVModuleRef combinedModule;
29 };
30 } // namespace
31 
32 void TestModuleCombinerPass::runOnOperation() {
33   auto modules = llvm::to_vector<4>(getOperation().getOps<spirv::ModuleOp>());
34 
35   OpBuilder combinedModuleBuilder(modules[0]);
36   combinedModule = spirv::combine(modules, combinedModuleBuilder, nullptr);
37 
38   for (spirv::ModuleOp module : modules)
39     module.erase();
40 }
41 
42 namespace mlir {
43 void registerTestSpirvModuleCombinerPass() {
44   PassRegistration<TestModuleCombinerPass> registration(
45       "test-spirv-module-combiner", "Tests SPIR-V module combiner library");
46 }
47 } // namespace mlir
48