| // Copyright 2023 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-spi.h" |
| #include "src/tint/lang/core/ir/function.h" |
| #include "src/tint/lang/core/ir/ir_helper_test.h" |
| |
| namespace tint::core::ir { |
| namespace { |
| |
| using namespace tint::core::number_suffixes; // NOLINT |
| using IR_FunctionTest = IRTestHelper; |
| |
| TEST_F(IR_FunctionTest, Fail_NullReturnType) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| b.Function("my_func", nullptr); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Fail_DoubleReturnBuiltin) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| f->SetReturnBuiltin(Function::ReturnBuiltin::kFragDepth); |
| f->SetReturnBuiltin(Function::ReturnBuiltin::kPosition); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Fail_NullParam) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| f->SetParams({nullptr}); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Fail_NullBlock) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| f->SetBlock(nullptr); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Clone) { |
| auto* f = |
| b.Function("my_func", mod.Types().i32(), Function::PipelineStage::kCompute, {{2, 3, 4}}); |
| f->SetReturnBuiltin(Function::ReturnBuiltin::kFragDepth); |
| f->SetReturnLocation( |
| 1, Interpolation{core::InterpolationType::kFlat, core::InterpolationSampling::kCentroid}); |
| f->SetReturnInvariant(true); |
| |
| auto* param1 = b.FunctionParam("a", mod.Types().i32()); |
| auto* param2 = b.FunctionParam("b", mod.Types().f32()); |
| f->SetParams({param1, param2}); |
| |
| auto* new_param1 = clone_ctx.Clone(param1); |
| auto* new_param2 = clone_ctx.Clone(param2); |
| auto* new_f = clone_ctx.Clone(f); |
| |
| EXPECT_NE(f, new_f); |
| EXPECT_EQ(std::string("my_func"), mod.NameOf(new_f).Name()); |
| |
| EXPECT_EQ(Function::PipelineStage::kCompute, new_f->Stage()); |
| EXPECT_TRUE(new_f->WorkgroupSize().has_value()); |
| auto wg = new_f->WorkgroupSize().value(); |
| EXPECT_EQ(2u, wg[0]); |
| EXPECT_EQ(3u, wg[1]); |
| EXPECT_EQ(4u, wg[2]); |
| |
| EXPECT_EQ(mod.Types().i32(), new_f->ReturnType()); |
| |
| EXPECT_TRUE(new_f->ReturnBuiltin().has_value()); |
| EXPECT_EQ(Function::ReturnBuiltin::kFragDepth, new_f->ReturnBuiltin().value()); |
| |
| EXPECT_TRUE(new_f->ReturnLocation().has_value()); |
| auto loc = new_f->ReturnLocation().value(); |
| EXPECT_EQ(1u, loc.value); |
| EXPECT_EQ(core::InterpolationType::kFlat, loc.interpolation->type); |
| EXPECT_EQ(core::InterpolationSampling::kCentroid, loc.interpolation->sampling); |
| |
| EXPECT_TRUE(new_f->ReturnInvariant()); |
| |
| EXPECT_EQ(2u, new_f->Params().Length()); |
| EXPECT_EQ(new_param1, new_f->Params()[0]); |
| EXPECT_EQ(new_param2, new_f->Params()[1]); |
| |
| EXPECT_EQ(new_f, mod.functions.Back()); |
| } |
| |
| TEST_F(IR_FunctionTest, CloneWithExits) { |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| b.Append(f->Block(), [&] { b.Return(f); }); |
| |
| auto* new_f = clone_ctx.Clone(f); |
| EXPECT_EQ(1u, new_f->Block()->Length()); |
| EXPECT_TRUE(new_f->Block()->Front()->Is<Return>()); |
| EXPECT_EQ(new_f, new_f->Block()->Front()->As<Return>()->Func()); |
| } |
| |
| } // namespace |
| } // namespace tint::core::ir |