From 21cd7790cb66e29670e85a8733c8ee35aa18bbd6 Mon Sep 17 00:00:00 2001
From: Vladimir Marko <vmarko@google.com>
Date: Tue, 18 Feb 2025 15:42:14 +0000
Subject: Optimizing: Remove dead Partial LSE test helpers.

Test: m test-art-host-gtest
Bug: 298176183
Change-Id: I25a047e20dd4b0388c639c90634e74a5a626d2ac
---
 compiler/optimizing/optimizing_unit_test.h | 150 -----------------------------
 1 file changed, 150 deletions(-)

(limited to 'compiler/optimizing/optimizing_unit_test.h')

diff --git a/compiler/optimizing/optimizing_unit_test.h b/compiler/optimizing/optimizing_unit_test.h
index c40b918fee..8dc17f1618 100644
--- a/compiler/optimizing/optimizing_unit_test.h
+++ b/compiler/optimizing/optimizing_unit_test.h
@@ -1034,156 +1034,6 @@ inline std::ostream& operator<<(std::ostream& oss, const AdjacencyListGraph& alg
   return alg.Dump(oss);
 }
 
-class PatternMatchGraphVisitor final : public HGraphVisitor {
- private:
-  struct HandlerWrapper {
-   public:
-    virtual ~HandlerWrapper() {}
-    virtual void operator()(HInstruction* h) = 0;
-  };
-
-  template <HInstruction::InstructionKind kKind, typename F>
-  struct KindWrapper;
-
-#define GEN_HANDLER(nm, unused)                                                         \
-  template <typename F>                                                                 \
-  struct KindWrapper<HInstruction::InstructionKind::k##nm, F> : public HandlerWrapper { \
-   public:                                                                              \
-    explicit KindWrapper(F f) : f_(f) {}                                                \
-    void operator()(HInstruction* h) override {                                         \
-      if constexpr (std::is_invocable_v<F, H##nm*>) {                                   \
-        f_(h->As##nm());                                                                \
-      } else {                                                                          \
-        LOG(FATAL) << "Incorrect call with " << #nm;                                    \
-      }                                                                                 \
-    }                                                                                   \
-                                                                                        \
-   private:                                                                             \
-    F f_;                                                                               \
-  };
-
-  FOR_EACH_CONCRETE_INSTRUCTION(GEN_HANDLER)
-#undef GEN_HANDLER
-
-  template <typename F>
-  std::unique_ptr<HandlerWrapper> GetWrapper(HInstruction::InstructionKind kind, F f) {
-    switch (kind) {
-#define GEN_GETTER(nm, unused)               \
-  case HInstruction::InstructionKind::k##nm: \
-    return std::unique_ptr<HandlerWrapper>(  \
-        new KindWrapper<HInstruction::InstructionKind::k##nm, F>(f));
-      FOR_EACH_CONCRETE_INSTRUCTION(GEN_GETTER)
-#undef GEN_GETTER
-      default:
-        LOG(FATAL) << "Unable to handle kind " << kind;
-        return nullptr;
-    }
-  }
-
- public:
-  template <typename... Inst>
-  explicit PatternMatchGraphVisitor(HGraph* graph, Inst... handlers) : HGraphVisitor(graph) {
-    FillHandlers(handlers...);
-  }
-
-  void VisitInstruction(HInstruction* instruction) override {
-    auto& h = handlers_[instruction->GetKind()];
-    if (h.get() != nullptr) {
-      (*h)(instruction);
-    }
-  }
-
- private:
-  template <typename Func>
-  constexpr HInstruction::InstructionKind GetKind() {
-#define CHECK_INST(nm, unused)                       \
-    if constexpr (std::is_invocable_v<Func, H##nm*>) { \
-      return HInstruction::InstructionKind::k##nm;     \
-    }
-    FOR_EACH_CONCRETE_INSTRUCTION(CHECK_INST);
-#undef CHECK_INST
-    static_assert(!std::is_invocable_v<Func, HInstruction*>,
-                  "Use on generic HInstruction not allowed");
-#define STATIC_ASSERT_ABSTRACT(nm, unused) && !std::is_invocable_v<Func, H##nm*>
-    static_assert(true FOR_EACH_ABSTRACT_INSTRUCTION(STATIC_ASSERT_ABSTRACT),
-                  "Must not be abstract instruction");
-#undef STATIC_ASSERT_ABSTRACT
-#define STATIC_ASSERT_CONCRETE(nm, unused) || std::is_invocable_v<Func, H##nm*>
-    static_assert(false FOR_EACH_CONCRETE_INSTRUCTION(STATIC_ASSERT_CONCRETE),
-                  "Must be a concrete instruction");
-#undef STATIC_ASSERT_CONCRETE
-    return HInstruction::InstructionKind::kLastInstructionKind;
-  }
-  template <typename First>
-  void FillHandlers(First h1) {
-    HInstruction::InstructionKind type = GetKind<First>();
-    CHECK_NE(type, HInstruction::kLastInstructionKind)
-        << "Unknown instruction kind. Only concrete ones please.";
-    handlers_[type] = GetWrapper(type, h1);
-  }
-
-  template <typename First, typename... Inst>
-  void FillHandlers(First h1, Inst... handlers) {
-    FillHandlers(h1);
-    FillHandlers<Inst...>(handlers...);
-  }
-
-  std::array<std::unique_ptr<HandlerWrapper>, HInstruction::InstructionKind::kLastInstructionKind>
-      handlers_;
-};
-
-template <typename... Target>
-std::tuple<std::vector<Target*>...> FindAllInstructions(
-    HGraph* graph,
-    std::variant<std::nullopt_t, HBasicBlock*, std::initializer_list<HBasicBlock*>> blks =
-        std::nullopt) {
-  std::tuple<std::vector<Target*>...> res;
-  PatternMatchGraphVisitor vis(
-      graph, [&](Target* t) { std::get<std::vector<Target*>>(res).push_back(t); }...);
-
-  if (std::holds_alternative<std::initializer_list<HBasicBlock*>>(blks)) {
-    for (HBasicBlock* blk : std::get<std::initializer_list<HBasicBlock*>>(blks)) {
-      vis.VisitBasicBlock(blk);
-    }
-  } else if (std::holds_alternative<std::nullopt_t>(blks)) {
-    vis.VisitInsertionOrder();
-  } else {
-    vis.VisitBasicBlock(std::get<HBasicBlock*>(blks));
-  }
-  return res;
-}
-
-template <typename... Target>
-std::tuple<Target*...> FindSingleInstructions(
-    HGraph* graph,
-    std::variant<std::nullopt_t, HBasicBlock*, std::initializer_list<HBasicBlock*>> blks =
-        std::nullopt) {
-  std::tuple<Target*...> res;
-  PatternMatchGraphVisitor vis(graph, [&](Target* t) {
-    EXPECT_EQ(std::get<Target*>(res), nullptr)
-        << *std::get<Target*>(res) << " already found but found " << *t << "!";
-    std::get<Target*>(res) = t;
-  }...);
-  if (std::holds_alternative<std::initializer_list<HBasicBlock*>>(blks)) {
-    for (HBasicBlock* blk : std::get<std::initializer_list<HBasicBlock*>>(blks)) {
-      vis.VisitBasicBlock(blk);
-    }
-  } else if (std::holds_alternative<std::nullopt_t>(blks)) {
-    vis.VisitInsertionOrder();
-  } else {
-    vis.VisitBasicBlock(std::get<HBasicBlock*>(blks));
-  }
-  return res;
-}
-
-template <typename Target>
-Target* FindSingleInstruction(
-    HGraph* graph,
-    std::variant<std::nullopt_t, HBasicBlock*, std::initializer_list<HBasicBlock*>> blks =
-        std::nullopt) {
-  return std::get<Target*>(FindSingleInstructions<Target>(graph, blks));
-}
-
 }  // namespace art
 
 #endif  // ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
-- 
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