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// 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,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "gmock/gmock.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
using namespace tint::core::number_suffixes; // NOLINT
using namespace tint::core::fluent_types; // NOLINT
namespace tint::core::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_HasSource) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* val = b.Add(mod.Types().i32(), 1_i, 2_i)->Result(0);
val->Destroy();
},
"");
}
} // namespace
} // namespace tint::core::ir