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   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