| // 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 "gtest/gtest-spi.h" |
| #include "src/tint/lang/spirv/writer/ast_printer/helper_test.h" |
| #include "src/tint/lang/spirv/writer/common/spv_dump_test.h" |
| |
| namespace tint::spirv::writer { |
| namespace { |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| using SpirvASTPrinterTest = TestHelper; |
| |
| TEST_F(SpirvASTPrinterTest, IdentifierExpression_GlobalConst) { |
| EXPECT_FATAL_FAILURE( |
| { |
| ProgramBuilder pb; |
| |
| auto* init = pb.Call<vec3<f32>>(1_f, 1_f, 3_f); |
| |
| auto* v = pb.GlobalConst("c", pb.ty.vec3<f32>(), init); |
| |
| auto* expr = pb.Expr("c"); |
| pb.WrapInFunction(expr); |
| |
| auto program = std::make_unique<Program>(resolver::Resolve(pb)); |
| auto b = std::make_unique<Builder>(program.get()); |
| |
| b->GenerateGlobalVariable(v); |
| b->GenerateIdentifierExpression(expr); |
| }, |
| "internal compiler error: unable to find ID for variable: c"); |
| } |
| |
| TEST_F(SpirvASTPrinterTest, IdentifierExpression_GlobalVar) { |
| auto* v = GlobalVar("var", ty.f32(), core::AddressSpace::kPrivate); |
| |
| auto* expr = Expr("var"); |
| WrapInFunction(expr); |
| |
| Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.Diagnostics(); |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %1 "var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Private %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| |
| EXPECT_EQ(b.GenerateIdentifierExpression(expr), 1u); |
| } |
| |
| TEST_F(SpirvASTPrinterTest, IdentifierExpression_FunctionConst) { |
| auto* init = Call<vec3<f32>>(1_f, 1_f, 3_f); |
| |
| auto* v = Let("var", ty.vec3<f32>(), init); |
| |
| auto* expr = Expr("var"); |
| WrapInFunction(v, expr); |
| |
| Builder& b = Build(); |
| |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 3 |
| %5 = OpConstantComposite %1 %3 %3 %4 |
| )"); |
| |
| EXPECT_EQ(b.GenerateIdentifierExpression(expr), 5u); |
| } |
| |
| TEST_F(SpirvASTPrinterTest, IdentifierExpression_FunctionVar) { |
| auto* v = Var("var", ty.f32(), core::AddressSpace::kFunction); |
| auto* expr = Expr("var"); |
| WrapInFunction(v, expr); |
| |
| Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %1 "var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Function %3 |
| %4 = OpConstantNull %3 |
| )"); |
| |
| const auto& func = b.CurrentFunction(); |
| EXPECT_EQ(DumpInstructions(func.variables()), |
| R"(%1 = OpVariable %2 Function %4 |
| )"); |
| |
| EXPECT_EQ(b.GenerateIdentifierExpression(expr), 1u); |
| } |
| |
| TEST_F(SpirvASTPrinterTest, IdentifierExpression_Load) { |
| auto* var = GlobalVar("var", ty.i32(), core::AddressSpace::kPrivate); |
| auto* expr = Add("var", "var"); |
| WrapInFunction(expr); |
| |
| Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.Diagnostics(); |
| |
| EXPECT_EQ(b.GenerateBinaryExpression(expr->As<ast::BinaryExpression>()), 7u) << b.Diagnostics(); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%3 = OpTypeInt 32 1 |
| %2 = OpTypePointer Private %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(%5 = OpLoad %3 %1 |
| %6 = OpLoad %3 %1 |
| %7 = OpIAdd %3 %5 %6 |
| )"); |
| } |
| |
| TEST_F(SpirvASTPrinterTest, IdentifierExpression_NoLoadConst) { |
| auto* let = Let("let", ty.i32(), Expr(2_i)); |
| auto* expr = Add("let", "let"); |
| WrapInFunction(let, expr); |
| |
| Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| ASSERT_TRUE(b.GenerateFunctionVariable(let)) << b.Diagnostics(); |
| |
| EXPECT_EQ(b.GenerateBinaryExpression(expr->As<ast::BinaryExpression>()), 3u) << b.Diagnostics(); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%1 = OpTypeInt 32 1 |
| %2 = OpConstant %1 2 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(%3 = OpIAdd %1 %2 %2 |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::spirv::writer |