| // 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 <string> |
| |
| #include "gtest/gtest.h" |
| #include "spirv/unified1/spirv.h" |
| #include "spirv/unified1/spirv.hpp11" |
| #include "src/ast/binary_expression.h" |
| #include "src/ast/float_literal.h" |
| #include "src/ast/identifier_expression.h" |
| #include "src/ast/scalar_constructor_expression.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/vector_type.h" |
| #include "src/ast/type_constructor_expression.h" |
| #include "src/context.h" |
| #include "src/type_determiner.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, Constructor_Const) { |
| ast::type::F32Type f32; |
| auto fl = std::make_unique<ast::FloatLiteral>(&f32, 42.2f); |
| ast::ScalarConstructorExpression c(std::move(fl)); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_EQ(b.GenerateConstructorExpression(&c, true), 2u); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeFloat 32 |
| %2 = OpConstant %1 42.2000008 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, Constructor_Type) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 3); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 3.0f))); |
| |
| ast::TypeConstructorExpression t(&vec, std::move(vals)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| EXPECT_TRUE(td.DetermineResultType(&t)) << td.error(); |
| |
| Builder b(&mod); |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, true), 5u); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 3 |
| %5 = OpConstantComposite %1 %3 %3 %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, Constructor_Type_ZeroInit) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 2); |
| |
| ast::ExpressionList vals; |
| ast::TypeConstructorExpression t(&vec, std::move(vals)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| EXPECT_TRUE(td.DetermineResultType(&t)) << td.error(); |
| |
| Builder b(&mod); |
| b.push_function(Function{}); |
| |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, false), 3u); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 2 |
| %3 = OpConstantNull %1 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, Constructor_Type_NonConstructorParam) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 2); |
| |
| auto var = std::make_unique<ast::Variable>( |
| "ident", ast::StorageClass::kFunction, &f32); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::IdentifierExpression>("ident")); |
| |
| ast::TypeConstructorExpression t(&vec, std::move(vals)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(var.get()); |
| EXPECT_TRUE(td.DetermineResultType(&t)) << td.error(); |
| |
| Builder b(&mod); |
| b.push_function(Function{}); |
| ASSERT_TRUE(b.GenerateFunctionVariable(var.get())) << b.error(); |
| |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, false), 8u); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Function %3 |
| %4 = OpConstantNull %3 |
| %5 = OpTypeVector %3 2 |
| %6 = OpConstant %3 1 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.functions()[0].variables()), |
| R"(%1 = OpVariable %2 Function %4 |
| )"); |
| |
| EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()), |
| R"(%7 = OpLoad %3 %1 |
| %8 = OpCompositeConstruct %5 %6 %7 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, Constructor_Type_NonConstVector) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec2(&f32, 2); |
| ast::type::VectorType vec4(&f32, 4); |
| |
| auto var = std::make_unique<ast::Variable>( |
| "ident", ast::StorageClass::kFunction, &vec2); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::IdentifierExpression>("ident")); |
| |
| ast::TypeConstructorExpression t(&vec4, std::move(vals)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(var.get()); |
| EXPECT_TRUE(td.DetermineResultType(&t)) << td.error(); |
| |
| Builder b(&mod); |
| b.push_function(Function{}); |
| ASSERT_TRUE(b.GenerateFunctionVariable(var.get())) << b.error(); |
| |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, false), 11u); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32 |
| %3 = OpTypeVector %4 2 |
| %2 = OpTypePointer Function %3 |
| %5 = OpConstantNull %3 |
| %6 = OpTypeVector %4 4 |
| %7 = OpConstant %4 1 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.functions()[0].variables()), |
| R"(%1 = OpVariable %2 Function %5 |
| )"); |
| |
| EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()), |
| R"(%8 = OpLoad %3 %1 |
| %9 = OpCompositeExtract %4 %8 0 |
| %10 = OpCompositeExtract %4 %8 1 |
| %11 = OpCompositeConstruct %6 %7 %7 %9 %10 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, Constructor_Type_Dedups) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 3); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 3.0f))); |
| |
| ast::TypeConstructorExpression t(&vec, std::move(vals)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| EXPECT_TRUE(td.DetermineResultType(&t)) << td.error(); |
| |
| Builder b(&mod); |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, true), 5u); |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, true), 5u); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| } |
| |
| TEST_F(BuilderTest, Constructor_NonConst_Type_Fails) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 2); |
| auto rel = std::make_unique<ast::BinaryExpression>( |
| ast::BinaryOp::kAdd, |
| std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 3.0f)), |
| std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 3.0f))); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::move(rel)); |
| |
| ast::TypeConstructorExpression t(&vec, std::move(vals)); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_EQ(b.GenerateConstructorExpression(&t, true), 0u); |
| EXPECT_TRUE(b.has_error()); |
| EXPECT_EQ(b.error(), R"(constructor must be a constant expression)"); |
| } |
| |
| } // namespace |
| } // namespace spirv |
| } // namespace writer |
| } // namespace tint |