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/*
* Copyright (C) 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "instruction_simplifier_riscv64.h"
#include <gtest/gtest.h>
#include "base/globals.h"
#include "optimizing_unit_test.h"
namespace art HIDDEN {
namespace riscv64 {
class InstructionSimplifierRiscv64Test : public OptimizingUnitTest {};
TEST_F(InstructionSimplifierRiscv64Test, SimplifyShiftAdd) {
HGraph* graph = CreateGraph();
HBasicBlock* entry = AddNewBlock();
graph->SetEntryBlock(entry);
graph->BuildDominatorTree();
HInstruction* param0 = MakeParam(DataType::Type::kInt64);
HInstruction* param1 = MakeParam(DataType::Type::kInt64);
HInstruction* c0 = graph->GetIntConstant(0);
HInstruction* c1 = graph->GetIntConstant(1);
HInstruction* c2 = graph->GetIntConstant(2);
HInstruction* c3 = graph->GetIntConstant(3);
HInstruction* c4 = graph->GetIntConstant(4);
HInstruction* shl0 = MakeBinOp<HShl>(entry, DataType::Type::kInt64, param0, c0);
HInstruction* add_shl0 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param1, shl0);
HInstruction* shl1 = MakeBinOp<HShl>(entry, DataType::Type::kInt64, param0, c1);
HInstruction* add_shl1 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param1, shl1);
HInstruction* shl2 = MakeBinOp<HShl>(entry, DataType::Type::kInt64, param0, c2);
HInstruction* add_shl2 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param1, shl2);
HInstruction* shl3 = MakeBinOp<HShl>(entry, DataType::Type::kInt64, param0, c3);
HInstruction* add_shl3 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param1, shl3);
HInstruction* shl4 = MakeBinOp<HShl>(entry, DataType::Type::kInt64, param0, c4);
HInstruction* add_shl4 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param1, shl4);
InstructionSimplifierRiscv64 simplifier(graph, /*stats=*/ nullptr);
simplifier.Run();
EXPECT_FALSE(add_shl0->GetBlock() == nullptr);
EXPECT_TRUE(add_shl1->GetBlock() == nullptr);
EXPECT_TRUE(add_shl2->GetBlock() == nullptr);
EXPECT_TRUE(add_shl3->GetBlock() == nullptr);
EXPECT_FALSE(add_shl4->GetBlock() == nullptr);
}
TEST_F(InstructionSimplifierRiscv64Test, SimplifyShiftAddReusedShift) {
HGraph* graph = CreateGraph();
HBasicBlock* entry = AddNewBlock();
graph->SetEntryBlock(entry);
graph->BuildDominatorTree();
HInstruction* param0 = MakeParam(DataType::Type::kInt64);
HInstruction* param1 = MakeParam(DataType::Type::kInt64);
HInstruction* param2 = MakeParam(DataType::Type::kInt64);
HInstruction* param3 = MakeParam(DataType::Type::kInt64);
HInstruction* c1 = graph->GetIntConstant(1);
HInstruction* shl1 = MakeBinOp<HShl>(entry, DataType::Type::kInt64, param0, c1);
HInstruction* add1 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param1, shl1);
HInstruction* add2 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param2, shl1);
HInstruction* add3 = MakeBinOp<HAdd>(entry, DataType::Type::kInt64, param3, shl1);
InstructionSimplifierRiscv64 simplifier(graph, /*stats=*/ nullptr);
simplifier.Run();
EXPECT_TRUE(shl1->GetBlock() == nullptr);
EXPECT_TRUE(add1->GetBlock() == nullptr);
EXPECT_TRUE(add2->GetBlock() == nullptr);
EXPECT_TRUE(add3->GetBlock() == nullptr);
}
} // namespace riscv64
} // namespace art
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