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Unified Diff: test/unittests/compiler/bytecode-analysis-unittest.cc

Issue 2532103004: [turbofan] Remove bytecode analysis unit test (Closed)
Patch Set: Remove from gn/gyp Created 4 years ago
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Index: test/unittests/compiler/bytecode-analysis-unittest.cc
diff --git a/test/unittests/compiler/bytecode-analysis-unittest.cc b/test/unittests/compiler/bytecode-analysis-unittest.cc
deleted file mode 100644
index 1d925b6fc45af9c23683228e96fe0d14d637ef52..0000000000000000000000000000000000000000
--- a/test/unittests/compiler/bytecode-analysis-unittest.cc
+++ /dev/null
@@ -1,415 +0,0 @@
-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/v8.h"
-
-#include "src/compiler/bytecode-analysis.h"
-#include "src/interpreter/bytecode-array-builder.h"
-#include "src/interpreter/bytecode-array-iterator.h"
-#include "src/interpreter/bytecode-decoder.h"
-#include "src/interpreter/bytecode-label.h"
-#include "src/interpreter/control-flow-builders.h"
-#include "test/unittests/test-utils.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-class BytecodeAnalysisTest : public TestWithIsolateAndZone {
- public:
- BytecodeAnalysisTest() {}
- ~BytecodeAnalysisTest() override {}
-
- static void SetUpTestCase() {
- old_FLAG_ignition_peephole_ = i::FLAG_ignition_peephole;
- i::FLAG_ignition_peephole = false;
-
- old_FLAG_ignition_reo_ = i::FLAG_ignition_reo;
- i::FLAG_ignition_reo = false;
-
- TestWithIsolateAndZone::SetUpTestCase();
- }
-
- static void TearDownTestCase() {
- TestWithIsolateAndZone::TearDownTestCase();
- i::FLAG_ignition_peephole = old_FLAG_ignition_peephole_;
- i::FLAG_ignition_reo = old_FLAG_ignition_reo_;
- }
-
- std::string ToLivenessString(const BitVector* liveness) const {
- std::string out;
- out.resize(liveness->length());
- for (int i = 0; i < liveness->length(); ++i) {
- if (liveness->Contains(i)) {
- out[i] = 'L';
- } else {
- out[i] = '.';
- }
- }
- return out;
- }
-
- void EnsureLivenessMatches(
- Handle<BytecodeArray> bytecode,
- const std::vector<std::pair<std::string, std::string>>&
- expected_liveness) {
- BytecodeAnalysis analysis(bytecode, zone(), true);
- analysis.Analyze();
-
- interpreter::BytecodeArrayIterator iterator(bytecode);
- for (auto liveness : expected_liveness) {
- std::stringstream ss;
- ss << std::setw(4) << iterator.current_offset() << " : ";
- iterator.PrintTo(ss);
-
- EXPECT_EQ(liveness.first, ToLivenessString(analysis.GetInLivenessFor(
- iterator.current_offset())))
- << " at bytecode " << ss.str();
-
- EXPECT_EQ(liveness.second, ToLivenessString(analysis.GetOutLivenessFor(
- iterator.current_offset())))
- << " at bytecode " << ss.str();
-
- iterator.Advance();
- }
-
- EXPECT_TRUE(iterator.done());
- }
-
- private:
- static bool old_FLAG_ignition_peephole_;
- static bool old_FLAG_ignition_reo_;
-
- DISALLOW_COPY_AND_ASSIGN(BytecodeAnalysisTest);
-};
-
-bool BytecodeAnalysisTest::old_FLAG_ignition_peephole_;
-bool BytecodeAnalysisTest::old_FLAG_ignition_reo_;
-
-TEST_F(BytecodeAnalysisTest, EmptyBlock) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, SimpleLoad) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
-
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("L...", "...L");
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, StoreThenLoad) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back("...L", "L...");
-
- builder.LoadNull();
- expected_liveness.emplace_back("L...", "L...");
-
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("L...", "...L");
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, DiamondLoad) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
- interpreter::Register reg_1(1);
- interpreter::Register reg_2(2);
-
- interpreter::BytecodeLabel ld1_label;
- interpreter::BytecodeLabel end_label;
-
- builder.JumpIfTrue(&ld1_label);
- expected_liveness.emplace_back("LLLL", "LLL.");
-
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("L.L.", "..L.");
-
- builder.Jump(&end_label);
- expected_liveness.emplace_back("..L.", "..L.");
-
- builder.Bind(&ld1_label);
- builder.LoadAccumulatorWithRegister(reg_1);
- expected_liveness.emplace_back(".LL.", "..L.");
-
- builder.Bind(&end_label);
-
- builder.LoadAccumulatorWithRegister(reg_2);
- expected_liveness.emplace_back("..L.", "...L");
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, DiamondLookupsAndBinds) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
- interpreter::Register reg_1(1);
- interpreter::Register reg_2(2);
-
- interpreter::BytecodeLabel ld1_label;
- interpreter::BytecodeLabel end_label;
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back(".LLL", "LLLL");
-
- builder.JumpIfTrue(&ld1_label);
- expected_liveness.emplace_back("LLLL", "LLL.");
-
- {
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("L...", "...L");
-
- builder.StoreAccumulatorInRegister(reg_2);
- expected_liveness.emplace_back("...L", "..L.");
-
- builder.Jump(&end_label);
- expected_liveness.emplace_back("..L.", "..L.");
- }
-
- builder.Bind(&ld1_label);
- {
- builder.LoadAccumulatorWithRegister(reg_1);
- expected_liveness.emplace_back(".LL.", "..L.");
- }
-
- builder.Bind(&end_label);
-
- builder.LoadAccumulatorWithRegister(reg_2);
- expected_liveness.emplace_back("..L.", "...L");
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, SimpleLoop) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
- interpreter::Register reg_1(1);
- interpreter::Register reg_2(2);
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back("..LL", "L.LL");
-
- interpreter::LoopBuilder loop_builder(&builder);
- loop_builder.LoopHeader();
- {
- builder.JumpIfTrue(loop_builder.break_labels()->New());
- expected_liveness.emplace_back("L.LL", "L.L.");
-
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("L...", "L..L");
-
- builder.StoreAccumulatorInRegister(reg_2);
- expected_liveness.emplace_back("L..L", "L.LL");
-
- loop_builder.BindContinueTarget();
- loop_builder.JumpToHeader(0);
- expected_liveness.emplace_back("L.LL", "L.LL");
- }
- loop_builder.EndLoop();
-
- builder.LoadAccumulatorWithRegister(reg_2);
- expected_liveness.emplace_back("..L.", "...L");
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, TryCatch) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
- interpreter::Register reg_1(1);
- interpreter::Register reg_context(2);
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back(".LLL", "LLL.");
-
- interpreter::TryCatchBuilder try_builder(&builder, HandlerTable::CAUGHT);
- try_builder.BeginTry(reg_context);
- {
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("LLL.", ".LLL");
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back(".LLL", ".LL.");
-
- builder.CallRuntime(Runtime::kThrow);
- expected_liveness.emplace_back(".LL.", ".LLL");
-
- builder.StoreAccumulatorInRegister(reg_0);
- // Star can't throw, so doesn't take handler liveness
- expected_liveness.emplace_back("...L", "...L");
- }
- try_builder.EndTry();
- expected_liveness.emplace_back("...L", "...L");
-
- // Catch
- {
- builder.LoadAccumulatorWithRegister(reg_1);
- expected_liveness.emplace_back(".L..", "...L");
- }
- try_builder.EndCatch();
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, DiamondInLoop) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
- interpreter::Register reg_1(1);
- interpreter::Register reg_2(2);
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back("...L", "L..L");
-
- interpreter::LoopBuilder loop_builder(&builder);
- loop_builder.LoopHeader();
- {
- builder.JumpIfTrue(loop_builder.break_labels()->New());
- expected_liveness.emplace_back("L..L", "L..L");
-
- interpreter::BytecodeLabel ld1_label;
- interpreter::BytecodeLabel end_label;
- builder.JumpIfTrue(&ld1_label);
- expected_liveness.emplace_back("L..L", "L..L");
-
- {
- builder.Jump(&end_label);
- expected_liveness.emplace_back("L..L", "L..L");
- }
-
- builder.Bind(&ld1_label);
- {
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("L...", "L..L");
- }
-
- builder.Bind(&end_label);
-
- loop_builder.BindContinueTarget();
- loop_builder.JumpToHeader(0);
- expected_liveness.emplace_back("L..L", "L..L");
- }
- loop_builder.EndLoop();
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-TEST_F(BytecodeAnalysisTest, KillingLoopInsideLoop) {
- interpreter::BytecodeArrayBuilder builder(isolate(), zone(), 3, 0, 3);
- std::vector<std::pair<std::string, std::string>> expected_liveness;
-
- interpreter::Register reg_0(0);
- interpreter::Register reg_1(1);
-
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back(".L.L", "LL..");
-
- interpreter::LoopBuilder loop_builder(&builder);
- loop_builder.LoopHeader();
- {
- builder.LoadAccumulatorWithRegister(reg_0);
- expected_liveness.emplace_back("LL..", ".L..");
-
- builder.LoadAccumulatorWithRegister(reg_1);
- expected_liveness.emplace_back(".L..", ".L.L");
-
- builder.JumpIfTrue(loop_builder.break_labels()->New());
- expected_liveness.emplace_back(".L.L", ".L.L");
-
- interpreter::LoopBuilder inner_loop_builder(&builder);
- inner_loop_builder.LoopHeader();
- {
- builder.StoreAccumulatorInRegister(reg_0);
- expected_liveness.emplace_back(".L.L", "LL.L");
-
- builder.JumpIfTrue(inner_loop_builder.break_labels()->New());
- expected_liveness.emplace_back("LL.L", "LL.L");
-
- inner_loop_builder.BindContinueTarget();
- inner_loop_builder.JumpToHeader(1);
- expected_liveness.emplace_back(".L.L", ".L.L");
- }
- inner_loop_builder.EndLoop();
-
- loop_builder.BindContinueTarget();
- loop_builder.JumpToHeader(0);
- expected_liveness.emplace_back("LL..", "LL..");
- }
- loop_builder.EndLoop();
-
- builder.Return();
- expected_liveness.emplace_back("...L", "....");
-
- Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
-
- EnsureLivenessMatches(bytecode, expected_liveness);
-}
-
-} // namespace compiler
-} // namespace internal
-} // namespace v8
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