forked from OSchip/llvm-project
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//===- TestOpaqueLoc.cpp - Pass to test opaque locations ------------------===//
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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/Dialect/StandardOps/Ops.h"
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#include "mlir/IR/Builders.h"
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#include "mlir/Pass/Pass.h"
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using namespace mlir;
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namespace {
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/// Pass that changes locations to opaque locations for each operation.
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/// It also takes all operations that are not function operations or
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/// terminators and clones them with opaque locations which store the initial
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/// locations.
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struct TestOpaqueLoc : public ModulePass<TestOpaqueLoc> {
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/// A simple structure which is used for testing as an underlying location in
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/// OpaqueLoc.
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struct MyLocation {
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MyLocation() : id(42) {}
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MyLocation(int id) : id(id) {}
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int getId() { return id; }
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int id;
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};
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void runOnModule() override {
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std::vector<std::unique_ptr<MyLocation>> myLocs;
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int last_it = 0;
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getModule().walk([&](Operation *op) {
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myLocs.push_back(std::make_unique<MyLocation>(last_it++));
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Location loc = op->getLoc();
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/// Set opaque location without fallback location to test the
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/// corresponding get method.
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op->setLoc(
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OpaqueLoc::get<MyLocation *>(myLocs.back().get(), &getContext()));
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if (isa<FuncOp>(op) || op->isKnownTerminator())
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return;
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OpBuilder builder(op);
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/// Add the same operation but with fallback location to test the
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/// corresponding get method and serialization.
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Operation *op_cloned_1 = builder.clone(*op);
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op_cloned_1->setLoc(
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OpaqueLoc::get<MyLocation *>(myLocs.back().get(), loc));
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/// Add the same operation but with void* instead of MyLocation* to test
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/// getUnderlyingLocationOrNull method.
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Operation *op_cloned_2 = builder.clone(*op);
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op_cloned_2->setLoc(OpaqueLoc::get<void *>(nullptr, loc));
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});
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ScopedDiagnosticHandler diagHandler(&getContext(), [](Diagnostic &diag) {
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auto &os = llvm::outs();
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if (diag.getLocation().isa<OpaqueLoc>()) {
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MyLocation *loc = OpaqueLoc::getUnderlyingLocationOrNull<MyLocation *>(
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diag.getLocation());
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if (loc)
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os << "MyLocation: " << loc->id;
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else
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os << "nullptr";
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}
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os << ": " << diag << '\n';
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os.flush();
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});
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getModule().walk([&](Operation *op) { op->emitOpError(); });
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}
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};
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} // end anonymous namespace
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static PassRegistration<TestOpaqueLoc>
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pass("test-opaque-loc", "Changes all leaf locations to opaque locations");
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