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:
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestModuleCombinerPass)23   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestModuleCombinerPass)
24 
25   StringRef getArgument() const final { return "test-spirv-module-combiner"; }
getDescription() const26   StringRef getDescription() const final {
27     return "Tests SPIR-V module combiner library";
28   }
29   TestModuleCombinerPass() = default;
TestModuleCombinerPass(const TestModuleCombinerPass &)30   TestModuleCombinerPass(const TestModuleCombinerPass &) {}
31   void runOnOperation() override;
32 };
33 } // namespace
34 
runOnOperation()35 void TestModuleCombinerPass::runOnOperation() {
36   auto modules = llvm::to_vector<4>(getOperation().getOps<spirv::ModuleOp>());
37 
38   OpBuilder combinedModuleBuilder(modules[0]);
39 
40   auto listener = [](spirv::ModuleOp originalModule, StringRef oldSymbol,
41                      StringRef newSymbol) {
42     llvm::outs() << "[" << originalModule.getName() << "] " << oldSymbol
43                  << " -> " << newSymbol << "\n";
44   };
45 
46   OwningOpRef<spirv::ModuleOp> combinedModule =
47       spirv::combine(modules, combinedModuleBuilder, listener);
48 
49   for (spirv::ModuleOp module : modules)
50     module.erase();
51   combinedModule.release();
52 }
53 
54 namespace mlir {
registerTestSpirvModuleCombinerPass()55 void registerTestSpirvModuleCombinerPass() {
56   PassRegistration<TestModuleCombinerPass>();
57 }
58 } // namespace mlir
59