blob: fc0d2fcbf5786c3a1db3426dfbbe881a431b289c [file] [log] [blame]
// 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 "gtest/gtest-spi.h"
#include "src/tint/ir/ir_test_helper.h"
using namespace tint::number_suffixes; // NOLINT
using namespace tint::builtin::fluent_types; // NOLINT
namespace tint::ir {
namespace {
using IR_ValueTest = IRTestHelper;
TEST_F(IR_ValueTest, ReplaceAllUsesWith_Value) {
auto* val_old = b.InstructionResult(ty.i32());
auto* val_new = b.InstructionResult(ty.i32());
auto* inst = b.Add(mod.Types().i32(), val_old, 1_i);
EXPECT_EQ(inst->LHS(), val_old);
val_old->ReplaceAllUsesWith(val_new);
EXPECT_EQ(inst->LHS(), val_new);
}
TEST_F(IR_ValueTest, ReplaceAllUsesWith_Fn) {
auto* val_old = b.InstructionResult(ty.i32());
auto* val_new = b.InstructionResult(ty.i32());
auto* inst = b.Add(mod.Types().i32(), val_old, 1_i);
EXPECT_EQ(inst->LHS(), val_old);
val_old->ReplaceAllUsesWith([&](Usage use) {
EXPECT_EQ(use.instruction, inst);
EXPECT_EQ(use.operand_index, 0u);
return val_new;
});
EXPECT_EQ(inst->LHS(), val_new);
}
TEST_F(IR_ValueTest, Destroy) {
auto* val = b.InstructionResult(ty.i32());
EXPECT_TRUE(val->Alive());
val->Destroy();
EXPECT_FALSE(val->Alive());
}
TEST_F(IR_ValueTest, Destroy_HasUsage) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* val = b.InstructionResult(mod.Types().i32());
b.Add(mod.Types().i32(), val, 1_i);
val->Destroy();
},
"");
}
TEST_F(IR_ValueTest, Destroy_HasSource) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* val = b.Add(mod.Types().i32(), 1_i, 2_i)->Result();
val->Destroy();
},
"");
}
} // namespace
} // namespace tint::ir