5e50dd048e
This commit restructures how TypeID is implemented to ideally avoid the current problems related to shared libraries. This is done by changing the "implicit" fallback path to use the name of the type, instead of using a static template variable (which breaks shared libraries). The major downside to this is that it adds some additional initialization costs for the implicit path. Given the use of type names for uniqueness in the fallback, we also no longer allow types defined in anonymous namespaces to have an implicit TypeID. To simplify defining an ID for these classes, a new `MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID` macro was added to allow for explicitly defining a TypeID directly on an internal class. To help identify when types are using the fallback, `-debug-only=typeid` can be used to log which types are using implicit ids. This change generally only requires changes to the test passes, which are all defined in anonymous namespaces, and thus can't use the fallback any longer. Differential Revision: https://reviews.llvm.org/D122775
127 lines
4.6 KiB
C++
127 lines
4.6 KiB
C++
//===- TestIRVisitorsGeneric.cpp - Pass to test the Generic IR visitors ---===//
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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 "TestDialect.h"
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#include "mlir/Pass/Pass.h"
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using namespace mlir;
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static std::string getStageDescription(const WalkStage &stage) {
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if (stage.isBeforeAllRegions())
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return "before all regions";
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if (stage.isAfterAllRegions())
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return "after all regions";
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return "before region #" + std::to_string(stage.getNextRegion());
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}
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namespace {
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/// This pass exercises generic visitor with void callbacks and prints the order
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/// and stage in which operations are visited.
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struct TestGenericIRVisitorPass
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: public PassWrapper<TestGenericIRVisitorPass, OperationPass<>> {
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MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestGenericIRVisitorPass)
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StringRef getArgument() const final { return "test-generic-ir-visitors"; }
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StringRef getDescription() const final { return "Test generic IR visitors."; }
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void runOnOperation() override {
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Operation *outerOp = getOperation();
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int stepNo = 0;
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outerOp->walk([&](Operation *op, const WalkStage &stage) {
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llvm::outs() << "step " << stepNo++ << " op '" << op->getName() << "' "
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<< getStageDescription(stage) << "\n";
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});
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// Exercise static inference of operation type.
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outerOp->walk([&](test::TwoRegionOp op, const WalkStage &stage) {
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llvm::outs() << "step " << stepNo++ << " op '" << op->getName() << "' "
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<< getStageDescription(stage) << "\n";
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});
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}
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};
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/// This pass exercises the generic visitor with non-void callbacks and prints
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/// the order and stage in which operations are visited. It will interrupt the
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/// walk based on attributes peesent in the IR.
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struct TestGenericIRVisitorInterruptPass
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: public PassWrapper<TestGenericIRVisitorInterruptPass, OperationPass<>> {
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MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(
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TestGenericIRVisitorInterruptPass)
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StringRef getArgument() const final {
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return "test-generic-ir-visitors-interrupt";
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}
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StringRef getDescription() const final {
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return "Test generic IR visitors with interrupts.";
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}
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void runOnOperation() override {
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Operation *outerOp = getOperation();
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int stepNo = 0;
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auto walker = [&](Operation *op, const WalkStage &stage) {
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if (auto interruptBeforeAall =
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op->getAttrOfType<BoolAttr>("interrupt_before_all"))
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if (interruptBeforeAall.getValue() && stage.isBeforeAllRegions())
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return WalkResult::interrupt();
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if (auto interruptAfterAll =
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op->getAttrOfType<BoolAttr>("interrupt_after_all"))
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if (interruptAfterAll.getValue() && stage.isAfterAllRegions())
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return WalkResult::interrupt();
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if (auto interruptAfterRegion =
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op->getAttrOfType<IntegerAttr>("interrupt_after_region"))
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if (stage.isAfterRegion(
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static_cast<int>(interruptAfterRegion.getInt())))
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return WalkResult::interrupt();
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if (auto skipBeforeAall = op->getAttrOfType<BoolAttr>("skip_before_all"))
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if (skipBeforeAall.getValue() && stage.isBeforeAllRegions())
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return WalkResult::skip();
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if (auto skipAfterAll = op->getAttrOfType<BoolAttr>("skip_after_all"))
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if (skipAfterAll.getValue() && stage.isAfterAllRegions())
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return WalkResult::skip();
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if (auto skipAfterRegion =
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op->getAttrOfType<IntegerAttr>("skip_after_region"))
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if (stage.isAfterRegion(static_cast<int>(skipAfterRegion.getInt())))
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return WalkResult::skip();
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llvm::outs() << "step " << stepNo++ << " op '" << op->getName() << "' "
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<< getStageDescription(stage) << "\n";
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return WalkResult::advance();
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};
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// Interrupt the walk based on attributes on the operation.
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auto result = outerOp->walk(walker);
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if (result.wasInterrupted())
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llvm::outs() << "step " << stepNo++ << " walk was interrupted\n";
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// Exercise static inference of operation type.
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result = outerOp->walk([&](test::TwoRegionOp op, const WalkStage &stage) {
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return walker(op, stage);
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});
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if (result.wasInterrupted())
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llvm::outs() << "step " << stepNo++ << " walk was interrupted\n";
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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 registerTestGenericIRVisitorsPass() {
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PassRegistration<TestGenericIRVisitorPass>();
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PassRegistration<TestGenericIRVisitorInterruptPass>();
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}
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} // namespace test
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} // namespace mlir
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