111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
// Copyright (c) 2018 Google LLC
|
|
//
|
|
// 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 <memory>
|
|
#include <string>
|
|
|
|
#include "gmock/gmock.h"
|
|
#include "gtest/gtest.h"
|
|
#include "source/opt/build_module.h"
|
|
#include "source/opt/constants.h"
|
|
#include "source/opt/ir_context.h"
|
|
|
|
namespace spvtools {
|
|
namespace opt {
|
|
namespace analysis {
|
|
namespace {
|
|
|
|
using ConstantManagerTest = ::testing::Test;
|
|
|
|
TEST_F(ConstantManagerTest, GetDefiningInstruction) {
|
|
const std::string text = R"(
|
|
%int = OpTypeInt 32 0
|
|
%1 = OpTypeStruct %int
|
|
%2 = OpTypeStruct %int
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
ASSERT_NE(context, nullptr);
|
|
|
|
Type* struct_type_1 = context->get_type_mgr()->GetType(1);
|
|
StructConstant struct_const_1(struct_type_1->AsStruct());
|
|
Instruction* const_inst_1 =
|
|
context->get_constant_mgr()->GetDefiningInstruction(&struct_const_1, 1);
|
|
EXPECT_EQ(const_inst_1->type_id(), 1);
|
|
|
|
Type* struct_type_2 = context->get_type_mgr()->GetType(2);
|
|
StructConstant struct_const_2(struct_type_2->AsStruct());
|
|
Instruction* const_inst_2 =
|
|
context->get_constant_mgr()->GetDefiningInstruction(&struct_const_2, 2);
|
|
EXPECT_EQ(const_inst_2->type_id(), 2);
|
|
}
|
|
|
|
TEST_F(ConstantManagerTest, GetDefiningInstruction2) {
|
|
const std::string text = R"(
|
|
%int = OpTypeInt 32 0
|
|
%1 = OpTypeStruct %int
|
|
%2 = OpTypeStruct %int
|
|
%3 = OpConstantNull %1
|
|
%4 = OpConstantNull %2
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
ASSERT_NE(context, nullptr);
|
|
|
|
Type* struct_type_1 = context->get_type_mgr()->GetType(1);
|
|
NullConstant struct_const_1(struct_type_1->AsStruct());
|
|
Instruction* const_inst_1 =
|
|
context->get_constant_mgr()->GetDefiningInstruction(&struct_const_1, 1);
|
|
EXPECT_EQ(const_inst_1->type_id(), 1);
|
|
EXPECT_EQ(const_inst_1->result_id(), 3);
|
|
|
|
Type* struct_type_2 = context->get_type_mgr()->GetType(2);
|
|
NullConstant struct_const_2(struct_type_2->AsStruct());
|
|
Instruction* const_inst_2 =
|
|
context->get_constant_mgr()->GetDefiningInstruction(&struct_const_2, 2);
|
|
EXPECT_EQ(const_inst_2->type_id(), 2);
|
|
EXPECT_EQ(const_inst_2->result_id(), 4);
|
|
}
|
|
|
|
TEST_F(ConstantManagerTest, GetDefiningInstructionIdOverflow) {
|
|
const std::string text = R"(
|
|
%1 = OpTypeInt 32 0
|
|
%3 = OpConstant %1 1
|
|
%4 = OpConstant %1 2
|
|
)";
|
|
|
|
std::unique_ptr<IRContext> context =
|
|
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text,
|
|
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
ASSERT_NE(context, nullptr);
|
|
|
|
// Set the id bound to the max, so the new constant cannot be generated.
|
|
context->module()->SetIdBound(context->max_id_bound());
|
|
|
|
Type* int_type = context->get_type_mgr()->GetType(1);
|
|
IntConstant int_constant(int_type->AsInteger(), {3});
|
|
Instruction* inst =
|
|
context->get_constant_mgr()->GetDefiningInstruction(&int_constant, 1);
|
|
EXPECT_EQ(inst, nullptr);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace analysis
|
|
} // namespace opt
|
|
} // namespace spvtools
|