100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
//===- TestOpaqueLoc.cpp - Pass to test opaque locations ------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/IR/Builders.h"
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#include "mlir/IR/BuiltinOps.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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/// 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() = default;
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MyLocation(int id) : id(id) {}
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int getId() { return id; }
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int id{42};
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};
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} // namespace
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MLIR_DECLARE_EXPLICIT_TYPE_ID(MyLocation *)
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MLIR_DEFINE_EXPLICIT_TYPE_ID(MyLocation *)
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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
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: public PassWrapper<TestOpaqueLoc, OperationPass<ModuleOp>> {
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MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestOpaqueLoc)
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StringRef getArgument() const final { return "test-opaque-loc"; }
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StringRef getDescription() const final {
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return "Changes all leaf locations to opaque locations";
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}
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void runOnOperation() override {
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std::vector<std::unique_ptr<MyLocation>> myLocs;
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int lastIt = 0;
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getOperation().getBody()->walk([&](Operation *op) {
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myLocs.push_back(std::make_unique<MyLocation>(lastIt++));
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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<ModuleOp>(op->getParentOp()) ||
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op->hasTrait<OpTrait::IsTerminator>())
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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 *opCloned1 = builder.clone(*op);
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opCloned1->setLoc(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 *opCloned2 = builder.clone(*op);
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opCloned2->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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getOperation().walk([&](Operation *op) { op->emitOpError(); });
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}
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};
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} // namespace
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namespace mlir {
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namespace test {
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void registerTestOpaqueLoc() { PassRegistration<TestOpaqueLoc>(); }
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} // namespace test
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} // namespace mlir
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