mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Pietro Fezzardi
2651b8765b
This pass was never implemented and we don't have plans to do it soon. This commit just drops it to reduce the noise. Whenever we decide to implement something similar we'll do it from scratch.
88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
//
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// Copyright (c) rev.ng Labs Srl. See LICENSE.md for details.
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//
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#include "revng/Support/Assert.h"
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#include "revng/Support/Debug.h"
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#include "DLAStep.h"
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namespace dla {
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const char CollapseEqualitySCC::ID = 0;
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const char CollapseInstanceAtOffset0SCC::ID = 0;
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const char CollapseSingleChild::ID = 0;
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const char ComputeNonInterferingComponents::ID = 0;
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const char ComputeUpperMemberAccesses::ID = 0;
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const char DeduplicateUnionFields::ID = 0;
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const char PruneLayoutNodesWithoutLayout::ID = 0;
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const char RemoveInvalidStrideEdges::ID = 0;
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const char RemoveInvalidPointers::ID = 0;
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const char SimplifyInstanceAtOffset0::ID = 0;
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static Logger<> DLAStepManagerLog("dla-step-manager");
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static Logger<> DLADumpDot("dla-step-dump-dot");
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[[nodiscard]] bool StepManager::addStep(std::unique_ptr<Step> S) {
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const void *StepID = S->getStepID();
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if (Step::IDSetConstRef D = S->getDependencies(); not D.empty()) {
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if (D.count(StepID)) {
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revng_log(DLAStepManagerLog,
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"Step " << StepID << " has a dependency from itself");
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return false;
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}
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const auto IsNotValid = [this](const void *DepID) {
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return InvalidatedSteps.count(DepID) or not InsertedSteps.count(DepID);
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};
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auto DepIt = std::find_if(D.begin(), D.end(), IsNotValid);
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if (DepIt != D.end()) {
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revng_log(DLAStepManagerLog,
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"Step " << StepID << " depends Step " << *DepIt
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<< " which is invalidated or was never inserted");
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return false;
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}
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}
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if (Step::IDSetConstRef I = S->getInvalidated(); not I.empty()) {
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if (I.count(StepID)) {
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revng_log(DLAStepManagerLog, "Step " << StepID << " invalidates itself");
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return false;
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}
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const auto Invalidate = [this](const void *InvalidatedID) {
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if (InsertedSteps.count(InvalidatedID)) {
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InsertedSteps.erase(InvalidatedID);
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InvalidatedSteps.insert(InvalidatedID);
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}
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};
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std::for_each(I.begin(), I.end(), Invalidate);
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}
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InsertedSteps.insert(StepID);
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InvalidatedSteps.erase(StepID);
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Schedule.push_back(std::move(S));
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return true;
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}
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void StepManager::run(LayoutTypeSystem &TS) {
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if (not hasValidSchedule())
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revng_abort("Cannot run a on LayoutTypeSystem: invalid schedule");
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int x = 0;
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if (DLADumpDot.isEnabled())
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TS.dumpDotOnFile("type-system-0.dot", true);
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for (auto &S : Schedule) {
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S->runOnTypeSystem(TS);
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if (DLADumpDot.isEnabled()) {
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std::string DotName = "type-system-" + std::to_string(++x) + ".dot";
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TS.dumpDotOnFile(DotName.c_str(), true);
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}
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}
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}
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} // end namespace dla
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