| // 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 "src/tint/writer/spirv/spv_dump.h" |
| #include "src/tint/writer/spirv/test_helper.h" |
| |
| namespace tint::writer::spirv { |
| namespace { |
| |
| using namespace tint::builtin::fluent_types; // NOLINT |
| using namespace tint::number_suffixes; // NOLINT |
| |
| using BuilderTest = TestHelper; |
| |
| TEST_F(BuilderTest, FunctionVar_NoAddressSpace) { |
| auto* v = Var("var", ty.f32(), builtin::AddressSpace::kFunction); |
| WrapInFunction(v); |
| |
| spirv::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 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_WithConstantInitializer) { |
| auto* init = Call<vec3<f32>>(1_f, 1_f, 3_f); |
| auto* v = Var("var", ty.vec3<f32>(), builtin::AddressSpace::kFunction, init); |
| WrapInFunction(v); |
| |
| spirv::Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %6 "var" |
| )"); |
| 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 |
| %7 = OpTypePointer Function %1 |
| %8 = OpConstantNull %1 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().variables()), |
| R"(%6 = OpVariable %7 Function %8 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(OpStore %6 %5 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_WithNonConstantInitializer) { |
| auto* a = Let("a", Expr(3_f)); |
| auto* init = Call<vec2<f32>>(1_f, Add(Expr("a"), 3_f)); |
| |
| auto* v = Var("var", ty.vec2<f32>(), init); |
| WrapInFunction(a, v); |
| |
| spirv::Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(a)) << b.Diagnostics(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %7 "var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%1 = OpTypeFloat 32 |
| %2 = OpConstant %1 3 |
| %3 = OpTypeVector %1 2 |
| %4 = OpConstant %1 1 |
| %8 = OpTypePointer Function %3 |
| %9 = OpConstantNull %3 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().variables()), |
| R"(%7 = OpVariable %8 Function %9 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(%5 = OpFAdd %1 %2 %2 |
| %6 = OpCompositeConstruct %3 %4 %5 |
| OpStore %7 %6 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_WithNonConstantInitializerLoadedFromVar) { |
| // var v : f32 = 1.0; |
| // var v2 : f32 = v; // Should generate the load and store automatically. |
| |
| auto* v = Var("v", ty.f32(), Expr(1_f)); |
| |
| auto* v2 = Var("v2", ty.f32(), Expr("v")); |
| WrapInFunction(v, v2); |
| |
| spirv::Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v2)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %3 "v" |
| OpName %7 "v2" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%1 = OpTypeFloat 32 |
| %2 = OpConstant %1 1 |
| %4 = OpTypePointer Function %1 |
| %5 = OpConstantNull %1 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().variables()), |
| R"(%3 = OpVariable %4 Function %5 |
| %7 = OpVariable %4 Function %5 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(OpStore %3 %2 |
| %6 = OpLoad %1 %3 |
| OpStore %7 %6 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_LetWithVarInitializer) { |
| // var v : f32 = 1.0; |
| // let v2 : f32 = v; // Should generate the load |
| |
| auto* v = Var("v", ty.f32(), Expr(1_f)); |
| |
| auto* v2 = Var("v2", ty.f32(), Expr("v")); |
| WrapInFunction(v, v2); |
| |
| spirv::Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v2)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %3 "v" |
| OpName %7 "v2" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%1 = OpTypeFloat 32 |
| %2 = OpConstant %1 1 |
| %4 = OpTypePointer Function %1 |
| %5 = OpConstantNull %1 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().variables()), |
| R"(%3 = OpVariable %4 Function %5 |
| %7 = OpVariable %4 Function %5 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(OpStore %3 %2 |
| %6 = OpLoad %1 %3 |
| OpStore %7 %6 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_ConstWithVarInitializer) { |
| // const v : f32 = 1.0; |
| // let v2 : f32 = v; |
| |
| auto* v = Const("v", ty.f32(), Expr(1_f)); |
| |
| auto* v2 = Var("v2", ty.f32(), Expr("v")); |
| WrapInFunction(v, v2); |
| |
| spirv::Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| EXPECT_TRUE(b.GenerateFunctionVariable(v2)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %3 "v2" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%1 = OpTypeFloat 32 |
| %2 = OpConstant %1 1 |
| %4 = OpTypePointer Function %1 |
| %5 = OpConstantNull %1 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().variables()), |
| R"(%3 = OpVariable %4 Function %5 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(OpStore %3 %2 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_Let) { |
| auto* init = Call<vec3<f32>>(1_f, 1_f, 3_f); |
| |
| auto* v = Let("var", ty.vec3<f32>(), init); |
| |
| WrapInFunction(v); |
| |
| spirv::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 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, FunctionVar_Const) { |
| auto* init = Call<vec3<f32>>(1_f, 1_f, 3_f); |
| |
| auto* v = Const("var", ty.vec3<f32>(), init); |
| |
| WrapInFunction(v); |
| |
| spirv::Builder& b = Build(); |
| |
| EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics(); |
| ASSERT_FALSE(b.has_error()) << b.Diagnostics(); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), ""); // Not a mistake - 'const' is inlined |
| } |
| |
| } // namespace |
| } // namespace tint::writer::spirv |