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