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// Copyright 2021 The Tint Authors.
//
// 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 "gmock/gmock.h"
#include "src/tint/ast/call_statement.h"
#include "src/tint/reader/spirv/function.h"
#include "src/tint/reader/spirv/parser_impl_test_helper.h"
#include "src/tint/reader/spirv/spirv_tools_helpers_test.h"
#include "src/tint/sem/call.h"
namespace tint::reader::spirv {
namespace {
using ::testing::Eq;
using ::testing::HasSubstr;
using ::testing::Not;
using ::testing::StartsWith;
Program ParseAndBuild(std::string spirv) {
const char* preamble = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpName %main "main"
)";
auto p = std::make_unique<ParserImpl>(test::Assemble(preamble + spirv));
if (!p->BuildAndParseInternalModule()) {
ProgramBuilder builder;
builder.Diagnostics().add_error(diag::System::Reader, p->error());
return Program(std::move(builder));
}
return p->program();
}
TEST_F(SpvParserTest, WorkgroupBarrier) {
auto program = ParseAndBuild(R"(
OpName %helper "helper"
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%uint_264 = OpConstant %uint 264
%helper = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_2 %uint_2 %uint_264
OpReturn
OpFunctionEnd
%main = OpFunction %void None %1
%5 = OpLabel
OpReturn
OpFunctionEnd
)");
ASSERT_TRUE(program.IsValid()) << program.Diagnostics().str();
auto* helper = program.AST().Functions().Find(program.Symbols().Get("helper"));
ASSERT_NE(helper, nullptr);
ASSERT_GT(helper->body->statements.size(), 0u);
auto* call = helper->body->statements[0]->As<ast::CallStatement>();
ASSERT_NE(call, nullptr);
EXPECT_EQ(call->expr->args.size(), 0u);
auto* sem_call = program.Sem().Get<sem::Call>(call->expr);
ASSERT_NE(sem_call, nullptr);
auto* builtin = sem_call->Target()->As<sem::Builtin>();
ASSERT_NE(builtin, nullptr);
EXPECT_EQ(builtin->Type(), sem::BuiltinType::kWorkgroupBarrier);
}
TEST_F(SpvParserTest, StorageBarrier) {
auto program = ParseAndBuild(R"(
OpName %helper "helper"
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%uint_1 = OpConstant %uint 1
%uint_72 = OpConstant %uint 72
%helper = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_2 %uint_1 %uint_72
OpReturn
OpFunctionEnd
%main = OpFunction %void None %1
%5 = OpLabel
OpReturn
OpFunctionEnd
)");
ASSERT_TRUE(program.IsValid()) << program.Diagnostics().str();
auto* helper = program.AST().Functions().Find(program.Symbols().Get("helper"));
ASSERT_NE(helper, nullptr);
ASSERT_GT(helper->body->statements.size(), 0u);
auto* call = helper->body->statements[0]->As<ast::CallStatement>();
ASSERT_NE(call, nullptr);
EXPECT_EQ(call->expr->args.size(), 0u);
auto* sem_call = program.Sem().Get<sem::Call>(call->expr);
ASSERT_NE(sem_call, nullptr);
auto* builtin = sem_call->Target()->As<sem::Builtin>();
ASSERT_NE(builtin, nullptr);
EXPECT_EQ(builtin->Type(), sem::BuiltinType::kStorageBarrier);
}
TEST_F(SpvParserTest, ErrBarrierInvalidExecution) {
auto program = ParseAndBuild(R"(
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_0 = OpConstant %uint 0
%uint_2 = OpConstant %uint 2
%uint_264 = OpConstant %uint 264
%main = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_0 %uint_2 %uint_264
OpReturn
OpFunctionEnd
)");
EXPECT_FALSE(program.IsValid());
EXPECT_THAT(program.Diagnostics().str(),
HasSubstr("unsupported control barrier execution scope"));
}
TEST_F(SpvParserTest, ErrBarrierSemanticsMissingAcquireRelease) {
auto program = ParseAndBuild(R"(
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%uint_0 = OpConstant %uint 0
%main = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_2 %uint_2 %uint_0
OpReturn
OpFunctionEnd
)");
EXPECT_FALSE(program.IsValid());
EXPECT_THAT(program.Diagnostics().str(),
HasSubstr("control barrier semantics requires acquire and release"));
}
TEST_F(SpvParserTest, ErrBarrierInvalidSemantics) {
auto program = ParseAndBuild(R"(
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%uint_9 = OpConstant %uint 9
%main = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_2 %uint_2 %uint_9
OpReturn
OpFunctionEnd
)");
EXPECT_FALSE(program.IsValid());
EXPECT_THAT(program.Diagnostics().str(), HasSubstr("unsupported control barrier semantics"));
}
TEST_F(SpvParserTest, ErrWorkgroupBarrierInvalidMemory) {
auto program = ParseAndBuild(R"(
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%uint_8 = OpConstant %uint 8
%uint_264 = OpConstant %uint 264
%main = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_2 %uint_8 %uint_264
OpReturn
OpFunctionEnd
)");
EXPECT_FALSE(program.IsValid());
EXPECT_THAT(program.Diagnostics().str(),
HasSubstr("workgroupBarrier requires workgroup memory scope"));
}
TEST_F(SpvParserTest, ErrStorageBarrierInvalidMemory) {
auto program = ParseAndBuild(R"(
%void = OpTypeVoid
%1 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%uint_8 = OpConstant %uint 8
%uint_72 = OpConstant %uint 72
%main = OpFunction %void None %1
%4 = OpLabel
OpControlBarrier %uint_2 %uint_8 %uint_72
OpReturn
OpFunctionEnd
)");
EXPECT_FALSE(program.IsValid());
EXPECT_THAT(program.Diagnostics().str(),
HasSubstr("storageBarrier requires device memory scope"));
}
} // namespace
} // namespace tint::reader::spirv