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- // Copyright (c) 2017 Google Inc.
- //
- // 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 <algorithm>
- #include <memory>
- #include <string>
- #include <utility>
- #include "gmock/gmock.h"
- #include "gtest/gtest.h"
- #include "source/opt/ir_context.h"
- #include "source/opt/pass.h"
- #include "test/opt/pass_fixture.h"
- #include "test/opt/pass_utils.h"
- namespace spvtools {
- namespace opt {
- namespace {
- using Analysis = IRContext::Analysis;
- using ::testing::Each;
- using ::testing::UnorderedElementsAre;
- class DummyPassPreservesNothing : public Pass {
- public:
- DummyPassPreservesNothing(Status s) : Pass(), status_to_return_(s) {}
- const char* name() const override { return "dummy-pass"; }
- Status Process() override { return status_to_return_; }
- private:
- Status status_to_return_;
- };
- class DummyPassPreservesAll : public Pass {
- public:
- DummyPassPreservesAll(Status s) : Pass(), status_to_return_(s) {}
- const char* name() const override { return "dummy-pass"; }
- Status Process() override { return status_to_return_; }
- Analysis GetPreservedAnalyses() override {
- return Analysis(IRContext::kAnalysisEnd - 1);
- }
- private:
- Status status_to_return_;
- };
- class DummyPassPreservesFirst : public Pass {
- public:
- DummyPassPreservesFirst(Status s) : Pass(), status_to_return_(s) {}
- const char* name() const override { return "dummy-pass"; }
- Status Process() override { return status_to_return_; }
- Analysis GetPreservedAnalyses() override { return IRContext::kAnalysisBegin; }
- private:
- Status status_to_return_;
- };
- using IRContextTest = PassTest<::testing::Test>;
- TEST_F(IRContextTest, IndividualValidAfterBuild) {
- std::unique_ptr<Module> module(new Module());
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, std::move(module),
- spvtools::MessageConsumer());
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- localContext.BuildInvalidAnalyses(i);
- EXPECT_TRUE(localContext.AreAnalysesValid(i));
- }
- }
- TEST_F(IRContextTest, AllValidAfterBuild) {
- std::unique_ptr<Module> module = MakeUnique<Module>();
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, std::move(module),
- spvtools::MessageConsumer());
- Analysis built_analyses = IRContext::kAnalysisNone;
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- localContext.BuildInvalidAnalyses(i);
- built_analyses |= i;
- }
- EXPECT_TRUE(localContext.AreAnalysesValid(built_analyses));
- }
- TEST_F(IRContextTest, AllValidAfterPassNoChange) {
- std::unique_ptr<Module> module = MakeUnique<Module>();
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, std::move(module),
- spvtools::MessageConsumer());
- Analysis built_analyses = IRContext::kAnalysisNone;
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- localContext.BuildInvalidAnalyses(i);
- built_analyses |= i;
- }
- DummyPassPreservesNothing pass(Pass::Status::SuccessWithoutChange);
- Pass::Status s = pass.Run(&localContext);
- EXPECT_EQ(s, Pass::Status::SuccessWithoutChange);
- EXPECT_TRUE(localContext.AreAnalysesValid(built_analyses));
- }
- TEST_F(IRContextTest, NoneValidAfterPassWithChange) {
- std::unique_ptr<Module> module = MakeUnique<Module>();
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, std::move(module),
- spvtools::MessageConsumer());
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- localContext.BuildInvalidAnalyses(i);
- }
- DummyPassPreservesNothing pass(Pass::Status::SuccessWithChange);
- Pass::Status s = pass.Run(&localContext);
- EXPECT_EQ(s, Pass::Status::SuccessWithChange);
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- EXPECT_FALSE(localContext.AreAnalysesValid(i));
- }
- }
- TEST_F(IRContextTest, AllPreservedAfterPassWithChange) {
- std::unique_ptr<Module> module = MakeUnique<Module>();
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, std::move(module),
- spvtools::MessageConsumer());
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- localContext.BuildInvalidAnalyses(i);
- }
- DummyPassPreservesAll pass(Pass::Status::SuccessWithChange);
- Pass::Status s = pass.Run(&localContext);
- EXPECT_EQ(s, Pass::Status::SuccessWithChange);
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- EXPECT_TRUE(localContext.AreAnalysesValid(i));
- }
- }
- TEST_F(IRContextTest, PreserveFirstOnlyAfterPassWithChange) {
- std::unique_ptr<Module> module = MakeUnique<Module>();
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, std::move(module),
- spvtools::MessageConsumer());
- for (Analysis i = IRContext::kAnalysisBegin; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- localContext.BuildInvalidAnalyses(i);
- }
- DummyPassPreservesFirst pass(Pass::Status::SuccessWithChange);
- Pass::Status s = pass.Run(&localContext);
- EXPECT_EQ(s, Pass::Status::SuccessWithChange);
- EXPECT_TRUE(localContext.AreAnalysesValid(IRContext::kAnalysisBegin));
- for (Analysis i = IRContext::kAnalysisBegin << 1; i < IRContext::kAnalysisEnd;
- i <<= 1) {
- EXPECT_FALSE(localContext.AreAnalysesValid(i));
- }
- }
- TEST_F(IRContextTest, KillMemberName) {
- const std::string text = R"(
- OpCapability Shader
- %1 = OpExtInstImport "GLSL.std.450"
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %2 "main"
- OpExecutionMode %2 OriginUpperLeft
- OpSource GLSL 430
- OpName %3 "stuff"
- OpMemberName %3 0 "refZ"
- OpMemberDecorate %3 0 Offset 0
- OpDecorate %3 Block
- %4 = OpTypeFloat 32
- %3 = OpTypeStruct %4
- %5 = OpTypeVoid
- %6 = OpTypeFunction %5
- %2 = OpFunction %5 None %6
- %7 = OpLabel
- OpReturn
- OpFunctionEnd
- )";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
- // Build the decoration manager.
- context->get_decoration_mgr();
- // Delete the OpTypeStruct. Should delete the OpName, OpMemberName, and
- // OpMemberDecorate associated with it.
- context->KillDef(3);
- // Make sure all of the name are removed.
- for (auto& inst : context->debugs2()) {
- EXPECT_EQ(inst.opcode(), SpvOpNop);
- }
- // Make sure all of the decorations are removed.
- for (auto& inst : context->annotations()) {
- EXPECT_EQ(inst.opcode(), SpvOpNop);
- }
- }
- TEST_F(IRContextTest, KillGroupDecoration) {
- const std::string text = R"(
- OpCapability Shader
- %1 = OpExtInstImport "GLSL.std.450"
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %2 "main"
- OpExecutionMode %2 OriginUpperLeft
- OpSource GLSL 430
- OpDecorate %3 Restrict
- %3 = OpDecorationGroup
- OpGroupDecorate %3 %4 %5
- %6 = OpTypeFloat 32
- %7 = OpTypePointer Function %6
- %8 = OpTypeStruct %6
- %9 = OpTypeVoid
- %10 = OpTypeFunction %9
- %2 = OpFunction %9 None %10
- %11 = OpLabel
- %4 = OpVariable %7 Function
- %5 = OpVariable %7 Function
- OpReturn
- OpFunctionEnd
- )";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
- // Build the decoration manager.
- context->get_decoration_mgr();
- // Delete the second variable.
- context->KillDef(5);
- // The three decorations instructions should still be there. The first two
- // should be the same, but the third should have %5 removed.
- // Check the OpDecorate instruction
- auto inst = context->annotation_begin();
- EXPECT_EQ(inst->opcode(), SpvOpDecorate);
- EXPECT_EQ(inst->GetSingleWordInOperand(0), 3);
- // Check the OpDecorationGroup Instruction
- ++inst;
- EXPECT_EQ(inst->opcode(), SpvOpDecorationGroup);
- EXPECT_EQ(inst->result_id(), 3);
- // Check that %5 is no longer part of the group.
- ++inst;
- EXPECT_EQ(inst->opcode(), SpvOpGroupDecorate);
- EXPECT_EQ(inst->NumInOperands(), 2);
- EXPECT_EQ(inst->GetSingleWordInOperand(0), 3);
- EXPECT_EQ(inst->GetSingleWordInOperand(1), 4);
- // Check that we are at the end.
- ++inst;
- EXPECT_EQ(inst, context->annotation_end());
- }
- TEST_F(IRContextTest, TakeNextUniqueIdIncrementing) {
- const uint32_t NUM_TESTS = 1000;
- IRContext localContext(SPV_ENV_UNIVERSAL_1_2, nullptr);
- for (uint32_t i = 1; i < NUM_TESTS; ++i)
- EXPECT_EQ(i, localContext.TakeNextUniqueId());
- }
- TEST_F(IRContextTest, KillGroupDecorationWitNoDecorations) {
- const std::string text = R"(
- OpCapability Shader
- %1 = OpExtInstImport "GLSL.std.450"
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %2 "main"
- OpExecutionMode %2 OriginUpperLeft
- OpSource GLSL 430
- %3 = OpDecorationGroup
- OpGroupDecorate %3 %4 %5
- %6 = OpTypeFloat 32
- %7 = OpTypePointer Function %6
- %8 = OpTypeStruct %6
- %9 = OpTypeVoid
- %10 = OpTypeFunction %9
- %2 = OpFunction %9 None %10
- %11 = OpLabel
- %4 = OpVariable %7 Function
- %5 = OpVariable %7 Function
- OpReturn
- OpFunctionEnd
- )";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
- // Build the decoration manager.
- context->get_decoration_mgr();
- // Delete the second variable.
- context->KillDef(5);
- // The two decoration instructions should still be there. The first one
- // should be the same, but the second should have %5 removed.
- // Check the OpDecorationGroup Instruction
- auto inst = context->annotation_begin();
- EXPECT_EQ(inst->opcode(), SpvOpDecorationGroup);
- EXPECT_EQ(inst->result_id(), 3);
- // Check that %5 is no longer part of the group.
- ++inst;
- EXPECT_EQ(inst->opcode(), SpvOpGroupDecorate);
- EXPECT_EQ(inst->NumInOperands(), 2);
- EXPECT_EQ(inst->GetSingleWordInOperand(0), 3);
- EXPECT_EQ(inst->GetSingleWordInOperand(1), 4);
- // Check that we are at the end.
- ++inst;
- EXPECT_EQ(inst, context->annotation_end());
- }
- TEST_F(IRContextTest, KillDecorationGroup) {
- const std::string text = R"(
- OpCapability Shader
- %1 = OpExtInstImport "GLSL.std.450"
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %2 "main"
- OpExecutionMode %2 OriginUpperLeft
- OpSource GLSL 430
- %3 = OpDecorationGroup
- OpGroupDecorate %3 %4 %5
- %6 = OpTypeFloat 32
- %7 = OpTypePointer Function %6
- %8 = OpTypeStruct %6
- %9 = OpTypeVoid
- %10 = OpTypeFunction %9
- %2 = OpFunction %9 None %10
- %11 = OpLabel
- %4 = OpVariable %7 Function
- %5 = OpVariable %7 Function
- OpReturn
- OpFunctionEnd
- )";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
- // Build the decoration manager.
- context->get_decoration_mgr();
- // Delete the second variable.
- context->KillDef(3);
- // Check the OpDecorationGroup Instruction is still there.
- EXPECT_TRUE(context->annotations().empty());
- }
- TEST_F(IRContextTest, BasicVisitFromEntryPoint) {
- // Make sure we visit the entry point, and the function it calls.
- // Do not visit Dead or Exported.
- const std::string text = R"(
- OpCapability Shader
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %10 "main"
- OpName %10 "main"
- OpName %Dead "Dead"
- OpName %11 "Constant"
- OpName %ExportedFunc "ExportedFunc"
- OpDecorate %ExportedFunc LinkageAttributes "ExportedFunc" Export
- %void = OpTypeVoid
- %6 = OpTypeFunction %void
- %10 = OpFunction %void None %6
- %14 = OpLabel
- %15 = OpFunctionCall %void %11
- %16 = OpFunctionCall %void %11
- OpReturn
- OpFunctionEnd
- %11 = OpFunction %void None %6
- %18 = OpLabel
- OpReturn
- OpFunctionEnd
- %Dead = OpFunction %void None %6
- %19 = OpLabel
- OpReturn
- OpFunctionEnd
- %ExportedFunc = OpFunction %void None %7
- %20 = OpLabel
- %21 = OpFunctionCall %void %11
- OpReturn
- OpFunctionEnd
- )";
- // clang-format on
- std::unique_ptr<IRContext> localContext =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- EXPECT_NE(nullptr, localContext) << "Assembling failed for shader:\n"
- << text << std::endl;
- std::vector<uint32_t> processed;
- Pass::ProcessFunction mark_visited = [&processed](Function* fp) {
- processed.push_back(fp->result_id());
- return false;
- };
- localContext->ProcessEntryPointCallTree(mark_visited);
- EXPECT_THAT(processed, UnorderedElementsAre(10, 11));
- }
- TEST_F(IRContextTest, BasicVisitReachable) {
- // Make sure we visit the entry point, exported function, and the function
- // they call. Do not visit Dead.
- const std::string text = R"(
- OpCapability Shader
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %10 "main"
- OpName %10 "main"
- OpName %Dead "Dead"
- OpName %11 "Constant"
- OpName %12 "ExportedFunc"
- OpName %13 "Constant2"
- OpDecorate %12 LinkageAttributes "ExportedFunc" Export
- %void = OpTypeVoid
- %6 = OpTypeFunction %void
- %10 = OpFunction %void None %6
- %14 = OpLabel
- %15 = OpFunctionCall %void %11
- %16 = OpFunctionCall %void %11
- OpReturn
- OpFunctionEnd
- %11 = OpFunction %void None %6
- %18 = OpLabel
- OpReturn
- OpFunctionEnd
- %Dead = OpFunction %void None %6
- %19 = OpLabel
- OpReturn
- OpFunctionEnd
- %12 = OpFunction %void None %6
- %20 = OpLabel
- %21 = OpFunctionCall %void %13
- OpReturn
- OpFunctionEnd
- %13 = OpFunction %void None %6
- %22 = OpLabel
- OpReturn
- OpFunctionEnd
- )";
- // clang-format on
- std::unique_ptr<IRContext> localContext =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- EXPECT_NE(nullptr, localContext) << "Assembling failed for shader:\n"
- << text << std::endl;
- std::vector<uint32_t> processed;
- Pass::ProcessFunction mark_visited = [&processed](Function* fp) {
- processed.push_back(fp->result_id());
- return false;
- };
- localContext->ProcessReachableCallTree(mark_visited);
- EXPECT_THAT(processed, UnorderedElementsAre(10, 11, 12, 13));
- }
- TEST_F(IRContextTest, BasicVisitOnlyOnce) {
- // Make sure we visit %12 only once, even if it is called from two different
- // functions.
- const std::string text = R"(
- OpCapability Shader
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %10 "main"
- OpName %10 "main"
- OpName %Dead "Dead"
- OpName %11 "Constant"
- OpName %12 "ExportedFunc"
- OpDecorate %12 LinkageAttributes "ExportedFunc" Export
- %void = OpTypeVoid
- %6 = OpTypeFunction %void
- %10 = OpFunction %void None %6
- %14 = OpLabel
- %15 = OpFunctionCall %void %11
- %16 = OpFunctionCall %void %12
- OpReturn
- OpFunctionEnd
- %11 = OpFunction %void None %6
- %18 = OpLabel
- %19 = OpFunctionCall %void %12
- OpReturn
- OpFunctionEnd
- %Dead = OpFunction %void None %6
- %20 = OpLabel
- OpReturn
- OpFunctionEnd
- %12 = OpFunction %void None %6
- %21 = OpLabel
- OpReturn
- OpFunctionEnd
- )";
- // clang-format on
- std::unique_ptr<IRContext> localContext =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- EXPECT_NE(nullptr, localContext) << "Assembling failed for shader:\n"
- << text << std::endl;
- std::vector<uint32_t> processed;
- Pass::ProcessFunction mark_visited = [&processed](Function* fp) {
- processed.push_back(fp->result_id());
- return false;
- };
- localContext->ProcessReachableCallTree(mark_visited);
- EXPECT_THAT(processed, UnorderedElementsAre(10, 11, 12));
- }
- TEST_F(IRContextTest, BasicDontVisitExportedVariable) {
- // Make sure we only visit functions and not exported variables.
- const std::string text = R"(
- OpCapability Shader
- OpMemoryModel Logical GLSL450
- OpEntryPoint Fragment %10 "main"
- OpExecutionMode %10 OriginUpperLeft
- OpSource GLSL 150
- OpName %10 "main"
- OpName %12 "export_var"
- OpDecorate %12 LinkageAttributes "export_var" Export
- %void = OpTypeVoid
- %6 = OpTypeFunction %void
- %float = OpTypeFloat 32
- %float_1 = OpConstant %float 1
- %12 = OpVariable %float Output
- %10 = OpFunction %void None %6
- %14 = OpLabel
- OpStore %12 %float_1
- OpReturn
- OpFunctionEnd
- )";
- // clang-format on
- std::unique_ptr<IRContext> localContext =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- EXPECT_NE(nullptr, localContext) << "Assembling failed for shader:\n"
- << text << std::endl;
- std::vector<uint32_t> processed;
- Pass::ProcessFunction mark_visited = [&processed](Function* fp) {
- processed.push_back(fp->result_id());
- return false;
- };
- localContext->ProcessReachableCallTree(mark_visited);
- EXPECT_THAT(processed, UnorderedElementsAre(10));
- }
- TEST_F(IRContextTest, IdBoundTestAtLimit) {
- const std::string text = R"(
- OpCapability Shader
- OpCapability Linkage
- OpMemoryModel Logical GLSL450
- %1 = OpTypeVoid
- %2 = OpTypeFunction %1
- %3 = OpFunction %1 None %2
- %4 = OpLabel
- OpReturn
- OpFunctionEnd)";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- uint32_t current_bound = context->module()->id_bound();
- context->set_max_id_bound(current_bound);
- uint32_t next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, 0);
- EXPECT_EQ(current_bound, context->module()->id_bound());
- next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, 0);
- }
- TEST_F(IRContextTest, IdBoundTestBelowLimit) {
- const std::string text = R"(
- OpCapability Shader
- OpCapability Linkage
- OpMemoryModel Logical GLSL450
- %1 = OpTypeVoid
- %2 = OpTypeFunction %1
- %3 = OpFunction %1 None %2
- %4 = OpLabel
- OpReturn
- OpFunctionEnd)";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- uint32_t current_bound = context->module()->id_bound();
- context->set_max_id_bound(current_bound + 100);
- uint32_t next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, current_bound);
- EXPECT_EQ(current_bound + 1, context->module()->id_bound());
- next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, current_bound + 1);
- }
- TEST_F(IRContextTest, IdBoundTestNearLimit) {
- const std::string text = R"(
- OpCapability Shader
- OpCapability Linkage
- OpMemoryModel Logical GLSL450
- %1 = OpTypeVoid
- %2 = OpTypeFunction %1
- %3 = OpFunction %1 None %2
- %4 = OpLabel
- OpReturn
- OpFunctionEnd)";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- uint32_t current_bound = context->module()->id_bound();
- context->set_max_id_bound(current_bound + 1);
- uint32_t next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, current_bound);
- EXPECT_EQ(current_bound + 1, context->module()->id_bound());
- next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, 0);
- }
- TEST_F(IRContextTest, IdBoundTestUIntMax) {
- const std::string text = R"(
- OpCapability Shader
- OpCapability Linkage
- OpMemoryModel Logical GLSL450
- %1 = OpTypeVoid
- %2 = OpTypeFunction %1
- %3 = OpFunction %1 None %2
- %4294967294 = OpLabel ; ID is UINT_MAX-1
- OpReturn
- OpFunctionEnd)";
- std::unique_ptr<IRContext> context =
- BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
- SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
- uint32_t current_bound = context->module()->id_bound();
- // Expecting |BuildModule| to preserve the numeric ids.
- EXPECT_EQ(current_bound, std::numeric_limits<uint32_t>::max());
- context->set_max_id_bound(current_bound);
- uint32_t next_id_bound = context->TakeNextId();
- EXPECT_EQ(next_id_bound, 0);
- EXPECT_EQ(current_bound, context->module()->id_bound());
- }
- } // namespace
- } // namespace opt
- } // namespace spvtools
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