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//===- AnalysisManagerTest.cpp - AnalysisManager unit tests ---------------===//
//
// Copyright 2019 The MLIR Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
#include "mlir/Pass/AnalysisManager.h"
#include "mlir/IR/Builders.h"
#include "gtest/gtest.h"
using namespace mlir;
using namespace mlir::detail;
namespace {
/// Minimal class definitions for two analyses.
struct MyAnalysis {
MyAnalysis(Function) {}
MyAnalysis(Module *) {}
};
struct OtherAnalysis {
OtherAnalysis(Function) {}
OtherAnalysis(Module *) {}
};
TEST(AnalysisManagerTest, FineGrainModuleAnalysisPreservation) {
MLIRContext context;
// Test fine grain invalidation of the module analysis manager.
std::unique_ptr<Module> module(new Module(&context));
ModuleAnalysisManager mam(&*module, /*passInstrumentor=*/nullptr);
// Query two different analyses, but only preserve one before invalidating.
mam.getAnalysis<MyAnalysis>();
mam.getAnalysis<OtherAnalysis>();
detail::PreservedAnalyses pa;
pa.preserve<MyAnalysis>();
mam.invalidate(pa);
// Check that only MyAnalysis is preserved.
EXPECT_TRUE(mam.getCachedAnalysis<MyAnalysis>().hasValue());
EXPECT_FALSE(mam.getCachedAnalysis<OtherAnalysis>().hasValue());
}
TEST(AnalysisManagerTest, FineGrainFunctionAnalysisPreservation) {
MLIRContext context;
Builder builder(&context);
// Create a function and a module.
std::unique_ptr<Module> module(new Module(&context));
Function func1 =
Function::create(builder.getUnknownLoc(), "foo",
builder.getFunctionType(llvm::None, llvm::None));
module->push_back(func1);
// Test fine grain invalidation of the function analysis manager.
ModuleAnalysisManager mam(&*module, /*passInstrumentor=*/nullptr);
FunctionAnalysisManager fam = mam.slice(func1);
// Query two different analyses, but only preserve one before invalidating.
fam.getAnalysis<MyAnalysis>();
fam.getAnalysis<OtherAnalysis>();
detail::PreservedAnalyses pa;
pa.preserve<MyAnalysis>();
fam.invalidate(pa);
// Check that only MyAnalysis is preserved.
EXPECT_TRUE(fam.getCachedAnalysis<MyAnalysis>().hasValue());
EXPECT_FALSE(fam.getCachedAnalysis<OtherAnalysis>().hasValue());
}
TEST(AnalysisManagerTest, FineGrainChildFunctionAnalysisPreservation) {
MLIRContext context;
Builder builder(&context);
// Create a function and a module.
std::unique_ptr<Module> module(new Module(&context));
Function func1 =
Function::create(builder.getUnknownLoc(), "foo",
builder.getFunctionType(llvm::None, llvm::None));
module->push_back(func1);
// Test fine grain invalidation of a function analysis from within a module
// analysis manager.
ModuleAnalysisManager mam(&*module, /*passInstrumentor=*/nullptr);
// Query two different analyses, but only preserve one before invalidating.
mam.getFunctionAnalysis<MyAnalysis>(func1);
mam.getFunctionAnalysis<OtherAnalysis>(func1);
detail::PreservedAnalyses pa;
pa.preserve<MyAnalysis>();
mam.invalidate(pa);
// Check that only MyAnalysis is preserved.
EXPECT_TRUE(mam.getCachedFunctionAnalysis<MyAnalysis>(func1).hasValue());
EXPECT_FALSE(mam.getCachedFunctionAnalysis<OtherAnalysis>(func1).hasValue());
}
} // end namespace
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