mlir/test/lib/Dialect/SPIRV/TestModuleCombiner.cpp

   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 } // namespace
  34
  35 void TestModuleCombinerPass::runOnOperation() {
  36   auto modules = llvm::to_vector<4>(getOperation().getOps<spirv::ModuleOp>());
  37   if (modules.empty())
  38     return;
  39
  40   OpBuilder combinedModuleBuilder(modules[0]);
  41
  42   auto listener = [](spirv::ModuleOp originalModule, StringRef oldSymbol,
  43                      StringRef newSymbol) {
  44     llvm::outs() << "[" << originalModule.getName() << "] " << oldSymbol
  45                  << " -> " << newSymbol << "\n";
  46   };
  47
  48   OwningOpRef<spirv::ModuleOp> combinedModule =
  49       spirv::combine(modules, combinedModuleBuilder, listener);
  50
  51   for (spirv::ModuleOp module : modules)
  52     module.erase();
  53   combinedModule.release();
  54 }
  55
  56 namespace mlir {
  57 void registerTestSpirvModuleCombinerPass() {
  58   PassRegistration<TestModuleCombinerPass>();
  59 }
  60 } // namespace mlir