1fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray/* 2fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * Copyright (C) 2014 The Android Open Source Project 3fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * 4fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * Licensed under the Apache License, Version 2.0 (the "License"); 5fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * you may not use this file except in compliance with the License. 6fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * You may obtain a copy of the License at 7fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * 8fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * http://www.apache.org/licenses/LICENSE-2.0 9fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * 10fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * Unless required by applicable law or agreed to in writing, software 11fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * distributed under the License is distributed on an "AS IS" BASIS, 12fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * See the License for the specific language governing permissions and 14fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * limitations under the License. 15fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray */ 16fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 17fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray#include "builder.h" 18fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray#include "dex_instruction.h" 19fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray#include "nodes.h" 20fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray#include "optimizing_unit_test.h" 21badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil#include "pretty_printer.h" 22fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 23fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray#include "gtest/gtest.h" 24fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 25fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffraynamespace art { 26fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 27fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray/** 28fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray * Check that the HGraphBuilder adds suspend checks to backward branches. 29fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray */ 30fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 31fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffraystatic void TestCode(const uint16_t* data) { 32fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray ArenaPool pool; 33fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray ArenaAllocator allocator(&pool); 34badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil HGraph* graph = CreateCFG(&allocator, data); 35badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil HBasicBlock* first_block = graph->GetEntryBlock()->GetSingleSuccessor(); 36badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil HBasicBlock* loop_header = first_block->GetSingleSuccessor(); 37badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil ASSERT_TRUE(loop_header->IsLoopHeader()); 38badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil ASSERT_EQ(loop_header->GetLoopInformation()->GetPreHeader(), first_block); 39badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil ASSERT_TRUE(loop_header->GetFirstInstruction()->IsSuspendCheck()); 40fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 41fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 42badd826664896d4a9628a5a89b78016894aa414bDavid Brazdilclass SuspendCheckTest : public CommonCompilerTest {}; 43badd826664896d4a9628a5a89b78016894aa414bDavid Brazdil 44badd826664896d4a9628a5a89b78016894aa414bDavid BrazdilTEST_F(SuspendCheckTest, CFG1) { 45fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray const uint16_t data[] = ZERO_REGISTER_CODE_ITEM( 46fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::NOP, 47fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::GOTO | 0xFF00); 48fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 49fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray TestCode(data); 50fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 51fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 52badd826664896d4a9628a5a89b78016894aa414bDavid BrazdilTEST_F(SuspendCheckTest, CFG2) { 53fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray const uint16_t data[] = ZERO_REGISTER_CODE_ITEM( 54fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::GOTO_32, 0, 0); 55fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 56fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray TestCode(data); 57fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 58fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 59badd826664896d4a9628a5a89b78016894aa414bDavid BrazdilTEST_F(SuspendCheckTest, CFG3) { 60fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray const uint16_t data[] = ONE_REGISTER_CODE_ITEM( 61fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::CONST_4 | 0 | 0, 62fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::IF_EQ, 0xFFFF, 63fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::RETURN_VOID); 64fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 65fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray TestCode(data); 66fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 67fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 68badd826664896d4a9628a5a89b78016894aa414bDavid BrazdilTEST_F(SuspendCheckTest, CFG4) { 69fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray const uint16_t data[] = ONE_REGISTER_CODE_ITEM( 70fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::CONST_4 | 0 | 0, 71fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::IF_NE, 0xFFFF, 72fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::RETURN_VOID); 73fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 74fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray TestCode(data); 75fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 76fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 77badd826664896d4a9628a5a89b78016894aa414bDavid BrazdilTEST_F(SuspendCheckTest, CFG5) { 78fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray const uint16_t data[] = ONE_REGISTER_CODE_ITEM( 79fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::CONST_4 | 0 | 0, 80fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::IF_EQZ, 0xFFFF, 81fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::RETURN_VOID); 82fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 83fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray TestCode(data); 84fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 85fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 86badd826664896d4a9628a5a89b78016894aa414bDavid BrazdilTEST_F(SuspendCheckTest, CFG6) { 87fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray const uint16_t data[] = ONE_REGISTER_CODE_ITEM( 88fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::CONST_4 | 0 | 0, 89fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::IF_NEZ, 0xFFFF, 90fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray Instruction::RETURN_VOID); 91fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray 92fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray TestCode(data); 93fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} 94fbc695f9b8e2084697e19c1355ab925f99f0d235Nicolas Geoffray} // namespace art 95