// Copyright 2020 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 #include "gtest/gtest.h" #include "spirv/unified1/spirv.h" #include "spirv/unified1/spirv.hpp11" #include "src/ast/function.h" #include "src/ast/identifier_expression.h" #include "src/ast/return_statement.h" #include "src/ast/type/f32_type.h" #include "src/ast/type/i32_type.h" #include "src/ast/type/void_type.h" #include "src/ast/variable.h" #include "src/writer/spirv/builder.h" #include "src/writer/spirv/spv_dump.h" namespace tint { namespace writer { namespace spirv { namespace { using BuilderTest = testing::Test; TEST_F(BuilderTest, Function_Empty) { ast::type::VoidType void_type; ast::Function func("a_func", {}, &void_type); ast::Module mod; Builder b(&mod); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "a_func" )"); EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid %1 = OpTypeFunction %2 )"); ASSERT_GE(b.functions().size(), 1u); const auto& ret = b.functions()[0]; EXPECT_EQ(DumpInstruction(ret.declaration()), R"(%3 = OpFunction %2 None %1 )"); } TEST_F(BuilderTest, Function_WithParams) { ast::type::VoidType void_type; ast::type::F32Type f32; ast::type::I32Type i32; ast::VariableList params; params.push_back( std::make_unique("a", ast::StorageClass::kFunction, &f32)); params.push_back( std::make_unique("b", ast::StorageClass::kFunction, &i32)); ast::Function func("a_func", std::move(params), &f32); ast::StatementList body; body.push_back(std::make_unique( std::make_unique("a"))); func.set_body(std::move(body)); ast::Module mod; Builder b(&mod); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %4 "a_func" OpName %5 "a" OpName %6 "b" %2 = OpTypeFloat 32 %3 = OpTypeInt 32 1 %1 = OpTypeFunction %2 %2 %3 %4 = OpFunction %2 None %1 %5 = OpFunctionParameter %2 %6 = OpFunctionParameter %3 %7 = OpLabel OpReturnValue %5 OpFunctionEnd )"); } TEST_F(BuilderTest, Function_WithBody) { ast::type::VoidType void_type; ast::StatementList body; body.push_back(std::make_unique()); ast::Function func("a_func", {}, &void_type); func.set_body(std::move(body)); ast::Module mod; Builder b(&mod); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "a_func" %2 = OpTypeVoid %1 = OpTypeFunction %2 %3 = OpFunction %2 None %1 %4 = OpLabel OpReturn OpFunctionEnd )"); } TEST_F(BuilderTest, FunctionType) { ast::type::VoidType void_type; ast::Function func("a_func", {}, &void_type); ast::Module mod; Builder b(&mod); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid %1 = OpTypeFunction %2 )"); } TEST_F(BuilderTest, FunctionType_DeDuplicate) { ast::type::VoidType void_type; ast::Function func1("a_func", {}, &void_type); ast::Function func2("b_func", {}, &void_type); ast::Module mod; Builder b(&mod); ASSERT_TRUE(b.GenerateFunction(&func1)); ASSERT_TRUE(b.GenerateFunction(&func2)); EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid %1 = OpTypeFunction %2 )"); } } // namespace } // namespace spirv } // namespace writer } // namespace tint