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250 lines
6.5 KiB
250 lines
6.5 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "pretty_printer.h"
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#include "base/arena_allocator.h"
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#include "builder.h"
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#include "dex/dex_file.h"
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#include "dex/dex_instruction.h"
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#include "nodes.h"
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#include "optimizing_unit_test.h"
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#include "gtest/gtest.h"
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namespace art {
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class PrettyPrinterTest : public OptimizingUnitTest {
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protected:
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void TestCode(const std::vector<uint16_t>& data, const char* expected);
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};
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void PrettyPrinterTest::TestCode(const std::vector<uint16_t>& data, const char* expected) {
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HGraph* graph = CreateCFG(data);
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StringPrettyPrinter printer(graph);
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printer.VisitInsertionOrder();
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ASSERT_STREQ(expected, printer.str().c_str());
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}
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TEST_F(PrettyPrinterTest, ReturnVoid) {
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const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
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Instruction::RETURN_VOID);
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 0: SuspendCheck\n"
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" 1: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 2\n"
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" 2: ReturnVoid\n"
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"BasicBlock 2, pred: 1\n"
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" 3: Exit\n";
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TestCode(data, expected);
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}
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TEST_F(PrettyPrinterTest, CFG1) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 0: SuspendCheck\n"
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" 1: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 2\n"
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" 2: Goto 2\n"
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"BasicBlock 2, pred: 1, succ: 3\n"
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" 3: ReturnVoid\n"
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"BasicBlock 3, pred: 2\n"
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" 4: Exit\n";
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const std::vector<uint16_t> data =
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ZERO_REGISTER_CODE_ITEM(
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Instruction::GOTO | 0x100,
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Instruction::RETURN_VOID);
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TestCode(data, expected);
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}
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TEST_F(PrettyPrinterTest, CFG2) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 0: SuspendCheck\n"
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" 1: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 2\n"
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" 2: Goto 2\n"
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"BasicBlock 2, pred: 1, succ: 3\n"
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" 3: Goto 3\n"
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"BasicBlock 3, pred: 2, succ: 4\n"
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" 4: ReturnVoid\n"
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"BasicBlock 4, pred: 3\n"
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" 5: Exit\n";
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const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
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Instruction::GOTO | 0x100,
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Instruction::GOTO | 0x100,
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Instruction::RETURN_VOID);
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TestCode(data, expected);
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}
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TEST_F(PrettyPrinterTest, CFG3) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 0: SuspendCheck\n"
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" 1: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 3\n"
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" 2: Goto 3\n"
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"BasicBlock 2, pred: 3, succ: 4\n"
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" 4: ReturnVoid\n"
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"BasicBlock 3, pred: 1, succ: 2\n"
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" 3: Goto 2\n"
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"BasicBlock 4, pred: 2\n"
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" 5: Exit\n";
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const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
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Instruction::GOTO | 0x200,
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Instruction::RETURN_VOID,
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Instruction::GOTO | 0xFF00);
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TestCode(data1, expected);
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const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
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Instruction::GOTO_16, 3,
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Instruction::RETURN_VOID,
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Instruction::GOTO_16, 0xFFFF);
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TestCode(data2, expected);
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const std::vector<uint16_t> data3 = ZERO_REGISTER_CODE_ITEM(
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Instruction::GOTO_32, 4, 0,
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Instruction::RETURN_VOID,
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Instruction::GOTO_32, 0xFFFF, 0xFFFF);
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TestCode(data3, expected);
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}
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TEST_F(PrettyPrinterTest, CFG4) {
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const char* expected =
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"BasicBlock 0, succ: 3\n"
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" 1: SuspendCheck\n"
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" 2: Goto 3\n"
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"BasicBlock 1, pred: 3, 1, succ: 1\n"
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" 3: SuspendCheck\n"
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" 4: Goto 1\n"
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"BasicBlock 3, pred: 0, succ: 1\n"
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" 0: Goto 1\n";
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const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
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Instruction::NOP,
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Instruction::GOTO | 0xFF00);
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TestCode(data1, expected);
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const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
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Instruction::GOTO_32, 0, 0);
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TestCode(data2, expected);
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}
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TEST_F(PrettyPrinterTest, CFG5) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 0: SuspendCheck\n"
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" 1: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 3\n"
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" 2: ReturnVoid\n"
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"BasicBlock 3, pred: 1\n"
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" 3: Exit\n";
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const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
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Instruction::RETURN_VOID,
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Instruction::GOTO | 0x100,
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Instruction::GOTO | 0xFE00);
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TestCode(data, expected);
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}
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TEST_F(PrettyPrinterTest, CFG6) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 3: IntConstant [4, 4]\n"
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" 1: SuspendCheck\n"
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" 2: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 5, 2\n"
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" 4: Equal(3, 3) [5]\n"
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" 5: If(4)\n"
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"BasicBlock 2, pred: 1, succ: 3\n"
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" 6: Goto 3\n"
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"BasicBlock 3, pred: 5, 2, succ: 4\n"
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" 7: ReturnVoid\n"
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"BasicBlock 4, pred: 3\n"
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" 8: Exit\n"
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"BasicBlock 5, pred: 1, succ: 3\n"
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" 0: Goto 3\n";
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const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
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Instruction::CONST_4 | 0 | 0,
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Instruction::IF_EQ, 3,
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Instruction::GOTO | 0x100,
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Instruction::RETURN_VOID);
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TestCode(data, expected);
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}
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TEST_F(PrettyPrinterTest, CFG7) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 4: IntConstant [5, 5]\n"
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" 2: SuspendCheck\n"
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" 3: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 5, 6\n"
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" 5: Equal(4, 4) [6]\n"
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" 6: If(5)\n"
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"BasicBlock 2, pred: 6, 3, succ: 3\n"
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" 11: Goto 3\n"
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"BasicBlock 3, pred: 5, 2, succ: 2\n"
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" 8: SuspendCheck\n"
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" 9: Goto 2\n"
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"BasicBlock 5, pred: 1, succ: 3\n"
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" 0: Goto 3\n"
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"BasicBlock 6, pred: 1, succ: 2\n"
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" 1: Goto 2\n";
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const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
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Instruction::CONST_4 | 0 | 0,
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Instruction::IF_EQ, 3,
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Instruction::GOTO | 0x100,
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Instruction::GOTO | 0xFF00);
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TestCode(data, expected);
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}
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TEST_F(PrettyPrinterTest, IntConstant) {
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const char* expected =
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"BasicBlock 0, succ: 1\n"
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" 2: IntConstant\n"
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" 0: SuspendCheck\n"
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" 1: Goto 1\n"
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"BasicBlock 1, pred: 0, succ: 2\n"
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" 3: ReturnVoid\n"
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"BasicBlock 2, pred: 1\n"
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" 4: Exit\n";
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const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
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Instruction::CONST_4 | 0 | 0,
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Instruction::RETURN_VOID);
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TestCode(data, expected);
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}
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} // namespace art
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