| // 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 "gmock/gmock.h" |
| #include "src/tint/ir/ir_test_helper.h" |
| |
| namespace tint::ir { |
| namespace { |
| |
| using namespace tint::number_suffixes; // NOLINT |
| using namespace tint::builtin::fluent_types; // NOLINT |
| |
| using IR_OperandInstructionTest = IRTestHelper; |
| |
| TEST_F(IR_OperandInstructionTest, Destroy) { |
| auto* block = b.Block(); |
| auto* inst = b.Add(ty.i32(), 1_i, 2_i); |
| block->Append(inst); |
| auto* lhs = inst->LHS(); |
| auto* rhs = inst->RHS(); |
| EXPECT_EQ(inst->Block(), block); |
| EXPECT_THAT(lhs->Usages(), testing::ElementsAre(Usage{inst, 0u})); |
| EXPECT_THAT(rhs->Usages(), testing::ElementsAre(Usage{inst, 1u})); |
| EXPECT_TRUE(inst->Result()->Alive()); |
| |
| inst->Destroy(); |
| |
| EXPECT_EQ(inst->Block(), nullptr); |
| EXPECT_TRUE(lhs->Usages().IsEmpty()); |
| EXPECT_TRUE(rhs->Usages().IsEmpty()); |
| EXPECT_FALSE(inst->Result()->Alive()); |
| } |
| |
| TEST_F(IR_OperandInstructionTest, ClearOperands_WithNullOperand) { |
| auto* block = b.Block(); |
| // The var initializer is a nullptr |
| auto* inst = b.Var(ty.ptr<private_, f32>()); |
| block->Append(inst); |
| |
| inst->Destroy(); |
| EXPECT_EQ(inst->Block(), nullptr); |
| EXPECT_FALSE(inst->Result()->Alive()); |
| } |
| |
| TEST_F(IR_OperandInstructionTest, SetOperands_WithNullOperand) { |
| auto* inst = b.Var(ty.ptr<private_, f32>()); |
| utils::Vector<Value*, 1> ops; |
| ops.Push(nullptr); |
| |
| inst->SetOperands(ops); |
| } |
| |
| } // namespace |
| } // namespace tint::ir |