72c65b698e
TestDialect has many operations and they all live in ::mlir namespace. Sometimes it is not clear whether the ops used in the code for the test passes belong to Standard or to Test dialects. Also, with this change it is easier to understand what test passes registered in mlir-opt are actually passes in mlir/test. Differential Revision: https://reviews.llvm.org/D90794
92 lines
2.8 KiB
C++
92 lines
2.8 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/Dialect/StandardOps/IR/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
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: public PassWrapper<TestOpaqueLoc, OperationPass<ModuleOp>> {
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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 runOnOperation() override {
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std::vector<std::unique_ptr<MyLocation>> myLocs;
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int last_it = 0;
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getOperation().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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getOperation().walk([&](Operation *op) { op->emitOpError(); });
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}
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};
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} // end anonymous namespace
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namespace mlir {
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namespace test {
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void registerTestOpaqueLoc() {
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PassRegistration<TestOpaqueLoc> pass(
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"test-opaque-loc", "Changes all leaf locations to opaque locations");
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}
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} // namespace test
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} // namespace mlir
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