mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-01 23:40:04 +00:00
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
// Copyright (c) 2018 Google LLC
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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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#include <memory>
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#include <string>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "source/opt/build_module.h"
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#include "source/opt/constants.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace opt {
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namespace analysis {
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namespace {
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using ConstantManagerTest = ::testing::Test;
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TEST_F(ConstantManagerTest, GetDefiningInstruction) {
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const std::string text = R"(
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%int = OpTypeInt 32 0
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%1 = OpTypeStruct %int
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%2 = OpTypeStruct %int
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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ASSERT_NE(context, nullptr);
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Type* struct_type_1 = context->get_type_mgr()->GetType(1);
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StructConstant struct_const_1(struct_type_1->AsStruct());
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Instruction* const_inst_1 =
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context->get_constant_mgr()->GetDefiningInstruction(&struct_const_1, 1);
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EXPECT_EQ(const_inst_1->type_id(), 1);
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Type* struct_type_2 = context->get_type_mgr()->GetType(2);
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StructConstant struct_const_2(struct_type_2->AsStruct());
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Instruction* const_inst_2 =
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context->get_constant_mgr()->GetDefiningInstruction(&struct_const_2, 2);
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EXPECT_EQ(const_inst_2->type_id(), 2);
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}
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TEST_F(ConstantManagerTest, GetDefiningInstruction2) {
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const std::string text = R"(
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%int = OpTypeInt 32 0
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%1 = OpTypeStruct %int
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%2 = OpTypeStruct %int
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%3 = OpConstantNull %1
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%4 = OpConstantNull %2
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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ASSERT_NE(context, nullptr);
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Type* struct_type_1 = context->get_type_mgr()->GetType(1);
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NullConstant struct_const_1(struct_type_1->AsStruct());
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Instruction* const_inst_1 =
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context->get_constant_mgr()->GetDefiningInstruction(&struct_const_1, 1);
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EXPECT_EQ(const_inst_1->type_id(), 1);
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EXPECT_EQ(const_inst_1->result_id(), 3);
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Type* struct_type_2 = context->get_type_mgr()->GetType(2);
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NullConstant struct_const_2(struct_type_2->AsStruct());
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Instruction* const_inst_2 =
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context->get_constant_mgr()->GetDefiningInstruction(&struct_const_2, 2);
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EXPECT_EQ(const_inst_2->type_id(), 2);
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EXPECT_EQ(const_inst_2->result_id(), 4);
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}
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TEST_F(ConstantManagerTest, GetDefiningInstructionIdOverflow) {
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const std::string text = R"(
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%1 = OpTypeInt 32 0
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%3 = OpConstant %1 1
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%4 = OpConstant %1 2
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)";
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std::unique_ptr<IRContext> context =
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BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text,
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SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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ASSERT_NE(context, nullptr);
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// Set the id bound to the max, so the new constant cannot be generated.
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context->module()->SetIdBound(context->max_id_bound());
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Type* int_type = context->get_type_mgr()->GetType(1);
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IntConstant int_constant(int_type->AsInteger(), {3});
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Instruction* inst =
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context->get_constant_mgr()->GetDefiningInstruction(&int_constant, 1);
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EXPECT_EQ(inst, nullptr);
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}
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} // namespace
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} // namespace analysis
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} // namespace opt
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} // namespace spvtools
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