1 files changed, 0 insertions, 191 deletions
diff --git a/deps/v8/test/unittests/compiler/regalloc/live-range-unittest.cc b/deps/v8/test/unittests/compiler/regalloc/live-range-unittest.cc
index 4e8da8e969..b8fe329f69 100644
--- a/deps/v8/test/unittests/compiler/regalloc/live-range-unittest.cc
+++ b/deps/v8/test/unittests/compiler/regalloc/live-range-unittest.cc
@@ -85,18 +85,6 @@ class LiveRangeUnitTest : public TestWithZone {
     return range->SplitAt(LifetimePosition::FromInt(pos), zone());
   }
 
-  TopLevelLiveRange* Splinter(TopLevelLiveRange* top, int start, int end,
-                              int new_id = 0) {
-    if (top->splinter() == nullptr) {
-      TopLevelLiveRange* ret = zone()->New<TopLevelLiveRange>(
-          new_id, MachineRepresentation::kTagged);
-      top->SetSplinter(ret);
-    }
-    top->Splinter(LifetimePosition::FromInt(start),
-                  LifetimePosition::FromInt(end), zone());
-    return top->splinter();
-  }
-
   // Ranges first and second match structurally.
   bool RangesMatch(LiveRange* first, LiveRange* second) {
     if (first->Start() != second->Start() || first->End() != second->End()) {
@@ -308,185 +296,6 @@ TEST_F(LiveRangeUnitTest, SplitManyIntervalUsePositionsAfter) {
   EXPECT_TRUE(RangesMatch(expected_bottom, child));
 }
 
-TEST_F(LiveRangeUnitTest, SplinterSingleInterval) {
-  TopLevelLiveRange* range = TestRangeBuilder(zone()).Build(0, 6);
-  TopLevelLiveRange* splinter = Splinter(range, 3, 5);
-  EXPECT_EQ(nullptr, range->next());
-  EXPECT_EQ(nullptr, splinter->next());
-  EXPECT_EQ(range, splinter->splintered_from());
-
-  TopLevelLiveRange* expected_source =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 6).Build();
-  TopLevelLiveRange* expected_splinter = TestRangeBuilder(zone()).Build(3, 5);
-  EXPECT_TRUE(RangesMatch(expected_source, range));
-  EXPECT_TRUE(RangesMatch(expected_splinter, splinter));
-}
-
-TEST_F(LiveRangeUnitTest, MergeSingleInterval) {
-  TopLevelLiveRange* original = TestRangeBuilder(zone()).Build(0, 6);
-  TopLevelLiveRange* splinter = Splinter(original, 3, 5);
-
-  original->Merge(splinter, zone());
-  TopLevelLiveRange* result = TestRangeBuilder(zone()).Build(0, 6);
-  LiveRange* child_1 = Split(result, 3);
-  Split(child_1, 5);
-
-  EXPECT_TRUE(RangesMatch(result, original));
-}
-
-TEST_F(LiveRangeUnitTest, SplinterMultipleIntervalsOutside) {
-  TopLevelLiveRange* range =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  TopLevelLiveRange* splinter = Splinter(range, 2, 6);
-  EXPECT_EQ(nullptr, range->next());
-  EXPECT_EQ(nullptr, splinter->next());
-  EXPECT_EQ(range, splinter->splintered_from());
-
-  TopLevelLiveRange* expected_source =
-      TestRangeBuilder(zone()).Add(0, 2).Add(6, 8).Build();
-  TopLevelLiveRange* expected_splinter =
-      TestRangeBuilder(zone()).Add(2, 3).Add(5, 6).Build();
-  EXPECT_TRUE(RangesMatch(expected_source, range));
-  EXPECT_TRUE(RangesMatch(expected_splinter, splinter));
-}
-
-TEST_F(LiveRangeUnitTest, MergeMultipleIntervalsOutside) {
-  TopLevelLiveRange* original =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  TopLevelLiveRange* splinter = Splinter(original, 2, 6);
-  original->Merge(splinter, zone());
-
-  TopLevelLiveRange* result =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  LiveRange* child_1 = Split(result, 2);
-  Split(child_1, 6);
-  EXPECT_TRUE(RangesMatch(result, original));
-}
-
-TEST_F(LiveRangeUnitTest, SplinterMultipleIntervalsInside) {
-  TopLevelLiveRange* range =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  V8_ASSERT_DEBUG_DEATH(Splinter(range, 3, 5), ".*");
-}
-
-TEST_F(LiveRangeUnitTest, SplinterMultipleIntervalsLeft) {
-  TopLevelLiveRange* range =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  TopLevelLiveRange* splinter = Splinter(range, 2, 4);
-  EXPECT_EQ(nullptr, range->next());
-  EXPECT_EQ(nullptr, splinter->next());
-  EXPECT_EQ(range, splinter->splintered_from());
-
-  TopLevelLiveRange* expected_source =
-      TestRangeBuilder(zone()).Add(0, 2).Add(5, 8).Build();
-  TopLevelLiveRange* expected_splinter = TestRangeBuilder(zone()).Build(2, 3);
-  EXPECT_TRUE(RangesMatch(expected_source, range));
-  EXPECT_TRUE(RangesMatch(expected_splinter, splinter));
-}
-
-TEST_F(LiveRangeUnitTest, MergeMultipleIntervalsLeft) {
-  TopLevelLiveRange* original =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  TopLevelLiveRange* splinter = Splinter(original, 2, 4);
-  original->Merge(splinter, zone());
-
-  TopLevelLiveRange* result =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  Split(result, 2);
-  EXPECT_TRUE(RangesMatch(result, original));
-}
-
-TEST_F(LiveRangeUnitTest, SplinterMultipleIntervalsRight) {
-  TopLevelLiveRange* range =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  TopLevelLiveRange* splinter = Splinter(range, 4, 6);
-  EXPECT_EQ(nullptr, range->next());
-  EXPECT_EQ(nullptr, splinter->next());
-  EXPECT_EQ(range, splinter->splintered_from());
-
-  TopLevelLiveRange* expected_source =
-      TestRangeBuilder(zone()).Add(0, 3).Add(6, 8).Build();
-  TopLevelLiveRange* expected_splinter = TestRangeBuilder(zone()).Build(5, 6);
-  EXPECT_TRUE(RangesMatch(expected_source, range));
-  EXPECT_TRUE(RangesMatch(expected_splinter, splinter));
-}
-
-TEST_F(LiveRangeUnitTest, SplinterMergeMultipleTimes) {
-  TopLevelLiveRange* range =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 10).Add(12, 16).Build();
-  Splinter(range, 4, 6);
-  Splinter(range, 8, 14);
-  TopLevelLiveRange* splinter = range->splinter();
-  EXPECT_EQ(nullptr, range->next());
-  EXPECT_EQ(nullptr, splinter->next());
-  EXPECT_EQ(range, splinter->splintered_from());
-
-  TopLevelLiveRange* expected_source =
-      TestRangeBuilder(zone()).Add(0, 3).Add(6, 8).Add(14, 16).Build();
-  TopLevelLiveRange* expected_splinter =
-      TestRangeBuilder(zone()).Add(5, 6).Add(8, 10).Add(12, 14).Build();
-  EXPECT_TRUE(RangesMatch(expected_source, range));
-  EXPECT_TRUE(RangesMatch(expected_splinter, splinter));
-}
-
-TEST_F(LiveRangeUnitTest, MergeMultipleIntervalsRight) {
-  TopLevelLiveRange* original =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  TopLevelLiveRange* splinter = Splinter(original, 4, 6);
-  original->Merge(splinter, zone());
-
-  TopLevelLiveRange* result =
-      TestRangeBuilder(zone()).Add(0, 3).Add(5, 8).Build();
-  LiveRange* child_1 = Split(result, 5);
-  Split(child_1, 6);
-
-  EXPECT_TRUE(RangesMatch(result, original));
-}
-
-TEST_F(LiveRangeUnitTest, MergeAfterSplitting) {
-  TopLevelLiveRange* original = TestRangeBuilder(zone()).Build(0, 8);
-  TopLevelLiveRange* splinter = Splinter(original, 4, 6);
-  LiveRange* original_child = Split(original, 2);
-  Split(original_child, 7);
-  original->Merge(splinter, zone());
-
-  TopLevelLiveRange* result = TestRangeBuilder(zone()).Build(0, 8);
-  LiveRange* child_1 = Split(result, 2);
-  LiveRange* child_2 = Split(child_1, 4);
-  LiveRange* child_3 = Split(child_2, 6);
-  Split(child_3, 7);
-
-  EXPECT_TRUE(RangesMatch(result, original));
-}
-
-TEST_F(LiveRangeUnitTest, IDGeneration) {
-  TopLevelLiveRange* vreg = TestRangeBuilder(zone()).Id(2).Build(0, 100);
-  EXPECT_EQ(2, vreg->vreg());
-  EXPECT_EQ(0, vreg->relative_id());
-
-  TopLevelLiveRange* splinter =
-      zone()->New<TopLevelLiveRange>(101, MachineRepresentation::kTagged);
-  vreg->SetSplinter(splinter);
-  vreg->Splinter(LifetimePosition::FromInt(4), LifetimePosition::FromInt(12),
-                 zone());
-
-  EXPECT_EQ(101, splinter->vreg());
-  EXPECT_EQ(1, splinter->relative_id());
-
-  LiveRange* child = vreg->SplitAt(LifetimePosition::FromInt(50), zone());
-
-  EXPECT_EQ(2, child->relative_id());
-
-  LiveRange* splinter_child =
-      splinter->SplitAt(LifetimePosition::FromInt(8), zone());
-
-  EXPECT_EQ(1, splinter->relative_id());
-  EXPECT_EQ(3, splinter_child->relative_id());
-
-  vreg->Merge(splinter, zone());
-  EXPECT_EQ(1, splinter->relative_id());
-}
-
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8