| // Copyright 2023 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <string> |
| |
| #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_DEATH_IF_SUPPORTED( |
| { |
| Module mod; |
| Builder b{mod}; |
| b.Function("my_func", nullptr); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Fail_DoubleReturnBuiltin) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| f->SetReturnBuiltin(BuiltinValue::kFragDepth); |
| f->SetReturnBuiltin(BuiltinValue::kPosition); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Fail_NullParam) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| f->SetParams({nullptr}); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_FunctionTest, Fail_NullBlock) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| { |
| 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(BuiltinValue::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(BuiltinValue::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]); |
| |
| // Cloned functions are not automatically added to the module. |
| EXPECT_EQ(mod.functions.Length(), 1u); |
| |
| // Check parameter ownership is correct. |
| EXPECT_EQ(param1->Function(), f); |
| EXPECT_EQ(param2->Function(), f); |
| EXPECT_EQ(new_param1->Function(), new_f); |
| EXPECT_EQ(new_param2->Function(), new_f); |
| } |
| |
| 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()); |
| } |
| |
| TEST_F(IR_FunctionTest, Parameters) { |
| auto* f = b.Function("my_func", mod.Types().void_()); |
| |
| auto* param1 = b.FunctionParam("a", mod.Types().i32()); |
| auto* param2 = b.FunctionParam("b", mod.Types().f32()); |
| auto* param3 = b.FunctionParam("b", mod.Types().f32()); |
| |
| f->SetParams({param1, param2}); |
| EXPECT_EQ(param1->Function(), f); |
| EXPECT_EQ(param2->Function(), f); |
| EXPECT_EQ(param3->Function(), nullptr); |
| EXPECT_EQ(param1->Index(), 0u); |
| EXPECT_EQ(param2->Index(), 1u); |
| |
| f->SetParams({param1, param3}); |
| EXPECT_EQ(param1->Function(), f); |
| EXPECT_EQ(param2->Function(), nullptr); |
| EXPECT_EQ(param3->Function(), f); |
| EXPECT_EQ(param1->Index(), 0u); |
| EXPECT_EQ(param3->Index(), 1u); |
| |
| f->AppendParam(param2); |
| EXPECT_EQ(param1->Function(), f); |
| EXPECT_EQ(param2->Function(), f); |
| EXPECT_EQ(param3->Function(), f); |
| EXPECT_EQ(param1->Index(), 0u); |
| EXPECT_EQ(param3->Index(), 1u); |
| EXPECT_EQ(param2->Index(), 2u); |
| } |
| |
| } // namespace |
| } // namespace tint::core::ir |